Publications

2008

• Mudhakar Srivatsa and Ling Liu. ``Mitigating Denial of Service Attacks on an Overlay Network: A Location Hiding Approach", To appear in IEEE Transactions on Parallel and Distributed Systems (TPDS).

• Keke Chen and Ling Liu. ``Best K: Critical Clustering Structures in Categorical Datasets", To appear in Knowledge and Information Systems (KAIS), Springer.

• Aameek Singh, Ling Liu, Mustaque Ahamad. ``Privacy Analysis and Enhancements for Data Sharing in *nix Systems", International Journal of Information and Computer Security (IJICS), 2008.

• Ting Wang, Chang-shing Perng, Tao Tao, Chungqiang Tang, Edward So, Chun Zhang, Rong Chang1, and Ling Liu. ``A Temporal Data-Mining Approach for Discovering End-to-End Transaction Flows", Proceedings of IEEE 2008 International Conference on Web Services (ICWS 2008), September 23-26, 2008. Beijing, China.
• Anand Murugappan and Ling Liu. ``A Energy Efficient Approach to Processing Spatial Alarms on Mobile Clients", Proceedings of the ISCA 17th International Conference on Software Engineering and Data Engineering (SEDE-2008), June 30 - July 2, 2008, at the Omni Los Angeles Hotel at California Plaza, Los Angeles, California, USA.

• Bhuvan Bamba, Sangeetha Seshadri, Ling Liu. ``Scaling Location-based Services with Dynamically Composed Location Index", Proceedings of the 2008 IEEE Int. Conference on Service Computing (SCC), July 8-11, 2008, Honolulu, Hawaii, USA.

• Sangeetha Seshadri, Vibhore Kumar, Brian Cooper, Bhuvan Bamba, Gong Zhang, Ling Liu, Karsten Schwan. "Grouping Distributed Stream Query Services by Operator Similarity and Network Locality", Proceedings of the 2008 IEEE Int. Conference on Service Computing (SCC), July 8-11, 2008, Honolulu, Hawaii, USA.

• Li Lin, Zhenglu Yang, Ling Liu, Masaru Kitsuregawa. ``Query-URL Bipartite based Approach to Personalized Query Recommendation", Proceedings of the Twenty-Third AAAI Conference on Artificial Intelligence (AAAI-08) to be held July 13 - 17 in Chicago, Illinois, USA.
  Acceptance Rate: 24% (227 out of 937).

• James Caverlee, Ling Liu, Steve Webb. ``SocialTrust: Tamper-Resilient Trust Establishment in Online Communities", Proceedings of the International Joint Conference on Digital Libraries (JDL 2008), June 16-20, 2008 - Pittsburgh, Pennsylvania.

• Yiming Zhang, Ling Liu, Dongsheng Li and Xicheng Lu. ``Distributed Line Graphs: A Universal Framework for Building DHTs Based on Arbitrary Constant-Degree Graphs", Proceeding of IEEE International Conference on Distributed Computing (ICDCS 2008), June 14-20, 2008, Beijing. Acceptance Rate: 16%

• Mudhakar Srivatsa, Arun Iyengar, Jian Yin and Ling Liu. ``Mitigating Application Level Denial of Service Attacks on Web Servers: A Client Transparent Approach". To appear in ACM Transactions on the Web (TWEB).

• Mudhakar Srivatsa, Arun Iyengar, and Ling Liu. "Preserving Caller Anonymity in Voice-over-IP Networks", Proceedings of the IEEE Symposium on Security and Privacy, May 18-21, 2008 The Claremont Resort, Berkeley/Oakland, California, USA
  Acceptance Rate: 11% (28 out of 249) 28 out of 249)

• Bhuvan Bamba, Ling Liu, Peter Pesti and Ting Wang "Supporting Anonymous Location Queries in Mobile Environments with PrivacyGrid", Proceedings of 17th International World Wide Web Conference (WWW'08), Beijing, China, April 2008. Acceptance Rate: 11% (90 out of 880).

• Sangeetha Seshadri, Lawrence Chiu, Cornel Constantinescu, Subashini Balachandran, Clem Dickey, and Ling Liu. ``Enhancing Storage System Availability on Multi-Core Architectures with Recovery-Conscious Scheduling", Proceedings of the 6th USENIX Conference on File and Storage Technologies (FAST'08), February 26-29, 2008, in San Jose, CA.

• Mudhakar Srivatsa, Arun Iyengar, Jian Yin and Ling Liu. ``Access Control in Location-based Broadcast Services", Proceedings of The 27th IEEE International Conference on Computer Communications (INFOCOM 2008), Phoenix, Arizona. Acceptance rate: 21% (236 out of 1160).

• Ting Wang and Ling Liu. ``Butterfly: Protecting Output Privacy in Stream Mining", Proceedings of the 2008 IEEE International Conference on Data Engineering (ICDE 2008), April 7-12, 2008, Cancun, Mexico.

• Aameek Singh and Ling Liu. ``SHAROES: A Data Sharing Platform for Outsourced Enterprise Storage Environments", Proceedings of the 2008 IEEE International Conference on Data Engineering (ICDE 2008), April 7-12, 2008, Cancun, Mexico.

• Bugra Gedik, Kun-Lung Wu, Philip S. Yu, and Ling Liu. ``MobiQual: QoS-aware Load Shedding in Mobile CQ Systems", Proceedings of the 2008 IEEE International Conference on Data Engineering (ICDE 2008), April 7-12, 2008, Cancun, Mexico.

2007

• Jianjun Zhang, Ling Liu, Gong Zhang, Lakshmish Ramawamy. ``A Utility-Aware Middleware Architecture for Decentralized Group Communication Applications", Proceedings of ACM/IFIP/USENIX 8th International Middleware Conference. Newport Beach, Orange County, California, USA. November 26th - 30th, 2007. Acceptance Rate: 20% (22 out of 107)

• Jialie Shen, John Shepherd, Bin Cui. and Ling Liu. ``Intelligent Music Information Systems: tools and methodologies", IGI Global, 2007. ISBN 978 159904663-1. 363 pages.

• Cui Bin, Ling Liu, Calton Pu, Jialei Shen, Kian-Lee Tan. ``QueST: Querying Music Databases by Acoustic and Textual Features", Proceedings of ACM Multimedia, Augsburg, Germany, September 24 - 29, 2007.

• Bugra Gedik, Kun-Lung Wu, Philip S. Yu, and Ling Liu. "GRUBJOIN: An Adaptive, Multi-Way, Windowed Stream Join with Time Correlation-Aware CPU Load Shedding", IEEE Transactions on Knowledge and Data Engineering, Vol. 19, No.10, 2007. pp1361-1380. (ISBN: 1041-4374).

• Kipp Jones and Ling Liu. ``Map-matching: Towards Improving Wireless Positioning", to appear in Proceedings of the 4th Annual International Conference on Mobile and Ubiquitous Systems: Computing, Networking and Services (Mobiquitous 2007). August 6-10, 2007, Philadelphia, PA. AR: 22.6% (27 out of 119).

• Anand Murugappan and Ling Liu. ``A SpatioTemporal Placement Model for Caching Location Dependent Queries", Proceedings of the 4th Annual International Conference on Mobile and Ubiquitous Systems: Computing, Networking and Services (Mobiquitous 2007). August 6-10, 2007, Philadelphia, PA. AR: 22.6% (27 out of 119).

• James Caverlee and Ling Liu. ``Countering Web Spam with Credibility-Based Link Analysis", to appear in The 26th ACM SIGACT-SIGOPS Symposium on Principles of Distributed Computing (PODC) 2007, to be held in Aug 12-16, Portland, OR.
  AR: 15% (32 out of 204)

• Li Xiong, Subramanyam Chitti, and Ling Liu. ``Protecting Data Privacy in Outsourcing Data Aggregation Services", ACM Transactions on Internet Technology}, Special Issue on the Internet and Outsourcing. Volume 7, No. 3 (August 2007) Article 17, pp1-28. (ISSN: 1533-5399)

• Bugra Gedik, Ling Liu, and Philip Yu. ``ASAP: An Adaptive Sampling Approach to Data Collection in Sensor Networks", IEEE Transactions on Parallel and Distributed Computing (TPDS). To appear.

• Joonsoo Bae, Ling Liu, James Caverlee, Liang Jie Zhang, Hyerim Bae. ``Development of Distance Measures for Process Mining, Discovery, and Integration", International Journal of Web Services Research (JWSR).

• Bugrg Gedik and Ling Liu. ``Protecting Location Privacy with Personalized k-Anonymity: Architecture and Algorithms". IEEE Transactions on Mobile Computing. (accepted, to appear).

• Jianjun Zhang, Gong Zhang, Ling Liu. ``GeoGrid: A Scalable Location Service Network". Proceedings of 27th IEEE International Conference on Distributed Computing Systems (ICDCS 2007). Acceptance Rate: 13% (71 out of 528).

• Mudhakar Srivatsa and Ling Liu. "Secure Event Dissemination in Content-Based Publish-Subscribe Networks". Proceedings of 27th IEEE International Conference on Distributed Computing Systems (ICDCS 2007). Acceptance Rate: 13% (71 out of 528).

• Aameek Singh, Mudhakar Srivatsa, Ling Liu. ``Efficient and Secure Search of Enterprise File Systems", Proceedings of IEEE International Conference on Web Services (ICWS 2007), July 9-13, 2007, Salt Lake City, Utah, USA. AR: 18%

• Sangeetha Seshadri, Lawrence Chiu, Karan Gupta, Paul Muench, Ling Liu and Brian F. Cooper. ``A Fault-Tolerant Middleware Architecture for High-Availability Storage Services". IEEE International Conference on Services Computing (SCC) 2007. July 9-13, 2007, Salt Lake City, Utah, USA.

• Jianjun Zhang, Ling Liu, Lakshmish Ramaswamy. ``PeerCast: Churn-Resilient End System Multicast on Heterogeneous Overlay Networks", Journal of Network and Computer Applications (JNCA), Elsevier, 2007. To appear. ms. 30.

• Lakshmish Ramaswamy, Ling Liu, Arun Iyengar. ``Cooperative Edge Cache Grid: Scalable Delivery of Dynamic Content", IEEE Transactions on Knowledge and Data Engineering (TKDE), Vol. 19, No. 5, 2007.

• Kipp Jones and Ling Liu. ``What Where Wi: An Analysus of Millions of WiFi Access Points", Proceedings of 2007 IEEE Portable: International Conference on Portable Information Devices. Orlando, FL, March 25-29

• L. Xiong, S. Chitti, L. Liu. ``Mining Multiple Private Databases using a kNN Classifier". In ACM Annual Symposium of Applied Computing (SAC), Data Mining Track, Seoul, Korea, March, 2007

• Keke Chen and Ling Liu. ``Towards Attack-Resilient Geometric Data Perturbation", Proceedings of the 7th SIAM (Society for Industrial and Applied Mathematics) International Conference on Data Ming (SDM 2007), to be held in Minneapolis, Minnesota, April 26-28, 2007.

• James Caverlee, Steve Webb, and Ling Liu. "Spam-Resilient Web Rankings via Influence Throttling", Proceedings of the 21st IEEE International Parallel and Distributed Processing Symposium (IPDPS), Long Beach, 2007. Acceptance rate: 26% (109 out of 419)

• Sangeetha Seshadri, Vibhore Kumar, Brian F. Cooper and Ling Liu. "Optimizing Multiple Distributed Stream Queries Using Hierarchical Network Partitions", Proceedings of the 21st IEEE International Parallel and Distribute d Processing Symposium (IPDPS), Long Beach, 2007. Acceptance rate: 26% (109 out of 419).

• Bugra Gedik, Ling Liu, Kun-Lung Wu, Philip S. Yu. " Lira: Lightweight, Region-aware Load Shedding in Mobile CQ Systems". Proceedings of the IEEE 23rd International Conference on Data Engineering. Istanbul, Turkey; April 17-20, 2007.
  Acceptance Rate: 18.5% (122 out of 659).

• Bugra Gedik, Kun-Lung Wu, Philip S. Yu, and Ling Liu. "A Load Shedding Framework and Optimizations for M-way Windowed Joins". Proceedings of the IEEE 23rd International Conference on Data Engineering. Istanbul, Turkey; April 17-20, 2007.
  Acceptance Rate: 18.5% (122 out of 659).

• Bhuvan Bamba, Ling Liu, James Caverlee, Vaibhav Padliya, Mudhakar Srivatsa, Mahesh Palekar, Joseph Patrao, Tushar Virender Bansal, Suiyang Li, Aameek Singh. "DSphere: A Source-Centric Approach to Crawling, Indexing and Searching the World Wide Web", Accepted Software demonstration paper in IEEE 23rd International Conference on Data Engineering. Istanbul, Turkey; April 17-20, 2007.
  Acceptance Rate: 28 out of 73 demo submissions

• L. Liu, J. Zhang, W. Han, C. Pu, J. Caverlee, S. Park, T. Critchlow, M. Coleman, and D. Buttler. ``Providing Multi-Page Data Extraction Services with XWRAPComposer", To appear as a book chapter in {\em Advanced Web Services Research and Practices}, Idea Group Inc. 2008.

• Daniel Rocco, James Caverlee, Ling Liu and Terence Critchlow. "Service Class Driven Dynamic Source Discovery with DynaBot", International Journal of Web Services Research (JWSR). Vol. 4, No. 3, July-September, 2007.

2006

• Aameek Singh, Ling Liu, Mustaque Ahamad. "Privacy Analysis for Data Sharing in *nix Systems", USENIX Annual Technical Conference, General Track 2006:pp249-254

• Bugra Gedik, Kun-Lung Wu, Philip S. Yu, and Ling Liu. CPU Load Shedding for Binary Stream Joins". Springer Knowledge and Information Systems. DOI 10.1007/s10115-006-0044-4, September 21, 2006. (will appear in print, ISSN 0219-1377)

• James Caverlee, Ling Liu, and Daniel Rocco. Discovering Interesting Relationships among Deep Web Databases: A Source-Biased Approach", accepted for publication in World Wide Web Journal: Internet and Web Information Systems, Springer (WWWJ).

• James Caverlee, Ling Liu, and Willam B. Rouse. Link-Based Ranking of the Web with Source-Centric Collaboration. 2nd International Conference on Collaborative Computing: Networking, Applications and Worksharing, (CollaborateCom), Atlanta, 2006.

• J. Caverlee, M. Srivatsa, and L. Liu. "Countering Web Spam Using Link-Based Analysis". The 2nd Cyber Security and Information Infrastructure Research Workshop (CSIIRW), Oak Ridge National Laboratory, 2006.

• Hua Yan, Keke Chen, Ling Liu, Joonsoo Bae. ``Efficiently Clustering Transactional Data with Weighted Coverage Density", Proceedings of ACM Int. Conf. on Knowledge and Information Management (CIKM 2006), November 6-11, 2006, Sheraton Crystal City Hotel, Arlington, VA 22202 USA. pp367-376. Acceptance Rate: 15% (a total of 537 submissions).

• L. Xiong, S. Chitti, L. Liu. Mining Multiple Private Databases using a Privacy Preserving kNN Classifier". In 15th ACM Conference on Information and Knowledge Management (CIKM 2006), Arlington, November, 2006 (Poster Paper)

• Mudhakar Srivatsa, Arun Iyengar, Jian Yin and Ling Liu, "A Middleware System for Protecting Against Application Level Denial of Service Attacks" , Proceedings of 7th ACM/IFIP/USENIX International Middleware Conference (Middleware 2006), Acceptance Rate: 17% (21 out of 122)

• Mudhakar Srivatsa and Ling Liu. "Key Derivation Algorithms for Monotone Access Structures in Cryptographic File Systems" , Proceeding of 11th European Symposium on Research in Computer Security (ESORICS 2006) be held in Hamburg (Germany), 18-20 September 2006. Acceptance Rate:

• Mudhakar Srivatsa, Arun Iyengar, Jian Yin and Ling Liu. "A Client-Transparent Approach to Defend Against Denial of Service Attacks", Proceedings of 25th IEEE Symposium on Reliable Distributed Systems (SRDS 2006), to be held in Leeds, UK. Oct. 2-4, 2006. Acceptance rate:

• Joonsoo Bae, Ling Liu, James Caverlee and William Rouse. Processing Mining, Discovery and Integration using Distance Measures, Proceedings of IEEE Int. Conf. on Web Services. to be held in Chicago, USA, Sept 18-22.

• Joonsoo Bae, James Caverlee, Ling Liu, Bll Rouse, and Hua Yan. Process Mining by Measuring Process Block Similarity, in Proceedings of the Workshop on Business Process Intelligence (BPI at BPM '06). September 5-7, 2006 in Vienna.

• J. Caverlee, L. Liu, and J. Bae. ``Distributed Query Sampling: A Quality-Conscious Approach, Proceedings of the 29th Annual International ACM SIGIR Conference on Research & Development on Information Retrieval (SIGIR '06). August 6-11, 2006 in Seattle. Acceptance rate: 18.5% (74 out of 399) pp340-347. ACM Press
  (slides)

• Bugra Gedik and Ling Liu. ``Quality-Aware Distributed Data Delivery for Continuous Query Services", ACM 2006 International Conference on Management of Data (ACM SIGMOD), Chicago, June 26-29, 2006. AR: 13% (58 out of 446).

• Lakshmish Ramaswamy, Ling Liu, and Jianjun Zhang. ``Efficient Formation of Edge Cache Groups for Dynamic Content Delivery". Proceedings of the 26th International Conference on Distributed Computing Systems (ICDCS-2006), to be held in Lisbon, Portugal, July 2006. AR: 13.8% (75 out of 540).

• Mudhakar Srivatsa and Ling Liu, ``Securing Decentralized Reputation Management using TrustGuard", To appear in the Journal of Parallel and Distributed Computing (JPDC) Special Issue on Security in Grid and Distributed Systems.

• Bugra Gedik and Ling Liu. MobiEyes: A Distributed Location Monitoring Service Using Moving Location Queries. IEEE Transactions on Mobile Computing. Vol. 5, No. 10, pp. 1384-1402, October 2006.

• Mudhakar Srivatsa and Ling Liu, ``DHTGuard: Security Threats in Structured Overlay Networks", To appear in the Springer International Journal of Information Security.

• Keke Chen and Ling Liu. ``Detecting Change of Clustering Structure in Categorical Data Stream", Proceedings of the SIAM International Conference on Data Mining (SDM06), Maryland, April 20-22, 2006. pp504-508. AR: 16.15% (40 out of 242) - full papers, 14.9% (36 out of 202) - short papers

• Keke Chen and Ling Liu. ``iVIRBRATE: Interactive Visualization Based Framework for Clustering Large Datasets", ACM Transactions on Information Systems.

• Aameek Singh, Bugra Gedik and Ling Liu. ``Agyaat: Mutual Anonymity over Structured P2P Networks", Emerald Internet Research Journal (Special Issue on Privacy and Anonymity in the Digital Era), 2006. Vol. 16, No. 2, 2006. ISBN 1066-2243. pp189-212.

• Bugra Gedik, Kun-Lung Wu, Philip Yu, and Ling Liu. ``Processing Moving Queries over Moving Objects Using Motion Adaptive Indexes", To appear in IEEE Transactions on Knowledge and Data Engineering (TKDE).

• Mudhakar Srivatsa, Bugra Gedik, and Ling Liu. ``Scaling Unstructured Peer-to-Peer Networks with Heterogeneity-Aware Topology And Routing". IEEE Transaction on Parallel and Distributed Systems (TPDS), Vol. 17, No. 10, Oct. 2006. pp1-17.

• Ling Liu, Jianjun Zhang, Wei Han, Calton Pu, James Caverlee, Sungkeun Park, Terence Critchlow, Matthew Coleman, David Buttler. "XWRAPComposer: A Multi-Page Data Extraction Service", Journal of Web Services Research, Vol. 3, No. 2, April - June 2006. pp33-60.

• Johannes Gehrke and Ling Liu. "Guest Editors' Introduction: Sensor-Network Applications", IEEE Internet Computing, Volume 10, Number 2, March-April 2006. pp16-17.
• Ling Liu. ``Mobile Web and Location-Based Services", International Conference on Asia-Pacific Web Conference (APWeb 2006). pp25

2005

• Mudhakar Srivatsa and Ling Liu. ``Securing Publish-Subscribe Overlay Services with EventGuard", Proceedings of ACM Computer and Communication Security (CCS 2005),November 7-11, 2005, Hilton Alexandria Mark Center, Alexandria, VA, USA. AP: 15% (38 out of 249).

• Bugra Gedik, Kun-Lung Wu, Philip Yu, and Ling Liu. ``Adapstive Load Shedding for Windowed Stream Joins", Proceedings of the 14th ACM Conference on Information and Knowledge Management (CIKM), October 31 - September 5, 2005, Bremen, Germany. Acceptance Rate: 17.8% (76 out of 425).

• Mudhakar Srivatsa and Ling Liu. ``Countering Targeted File Attacks using LocationGuard", Proceedings of the 14th USENIX Security Symposium (USENIX Security), August 1 - 5, 2005, Baltimore, MD. pp81-96. AR: 14% (22 out of 148).

• James Caverlee and Ling Liu. ``QA-Pagelet: Data Preparation Techniques for Large Scale Data Analysis of the Deep Web", IEEE Transactions on Knowledge and Data Engineering - Special Issue on Intelligent Data Preparation. Vol 17, No. 9, (2005) pp1247-1262.

• Renato Fileto, Claudia Bauzer Medeiros, Ling Liu, Calton Pu, Eduardo Delgado Assad. ``Building a Semantic Web System for Scientific Applications: An Engineering Approach", Proceedings of the International Conference on Web Information Systems Engineering (WISE 2005), New York City, New York, Nov. 22-25, 2005. pp633-642.

• Jianjun Zhang, Ling Liu, Calton Pu. ``Constructing a Proximity-Aware Power Law Overlay Network", IEEE Global Telecommunications Conference (GLOBECOM 2005), Nov. 28 - Dec. 02, 2005, St. Louis, Missouri, USA.

• Keke Chen and Ling Liu: "The Best K for Entropy-based Categorical Clustering", Proc of Scientific and Statistical Database Management (SSDBM05). Santa Barbara, CA June 2005. pp253-262.

• Keke Chen and Ling Liu. ``A Random Rotation Perturbation Approach to Privacy Preserving Data Classification", Proceedings of the Third IEEE International Conference on Data Mining (ICDM'05), New Orleans, Louisiana, U.S.A., November 27-30, 2005. (full paper)
  Acceptance Rate: 69 out of 630 regular papers and 72 out of 561 short papers.

• Bugra Gedik, Ling Liu. "A Cusstomizable k-Anonymity Model for Protecting Location Privacy". The 25th International Conference on Distributed Computing Systems (IEEE ICDCS 2005). pp620-629.
  AR: 14% (77 out of 540)

• Lakshmish Ramaswamy, Ling Liu and Arun Iyenagar, "Cache Clouds: Cooperative Caching of Dynamic Documents on Edge Networks". Proceedings of the 25th International Conference on Distributed Computing Systems (ICDCS-2005). pp229-238.
  AR: 14% (77 out of 540)

• L. Xiong, S. Chitti, L. Liu. Topk Queries across Multiple Private Databases. Proceedings of the 25th International Conference on Distributed Computing Systems (ICDCS 2005), Columbus, June, 2005 pp145-164.
  AR: 14% (77 out of 540)

• Lakshmish Ramaswamy, Arun Iyengar, Ling Liu, Fred Douglis. ``Automatic Fragment Detection in Dynamic Web Pages and its Impact on Caching", 2005 Pat Goldberg Memorial Best Paper Award. IEEE Transactions on Knowledge and Data Engineering, Vol.17 No.6, June 2005 (TKDE). PP. 859-874, June 2005. 2005 Pat Goldberg Memorial Best Paper Award

• Mudhakar Srivatsa, Li Xiong and Ling Liu. ``TrustGuard: Countering Vulnerabilities in Reputation Management For Decentralized Overlay Networks, Proceed ings of 14th World Wide Web Conference (WWW 2005), May 10-14, 2005, in Chiba, Japan. AR: 14% (77 out of 550).

• Ling Liu, Jianjun Zhang, Wei Han, Calton Pu, James Caverlee, Sungkeun Park, Terence Critchlow, Matthew Coleman, David Buttler. "XWRAPComposer: A Multi-Page Data Extraction Service for Bio-Computing Applications", Proceedings of IEEE International Conference on Service Oriented Computing (SCC 2005), Orlando, Florida, USA, July 12-15, 2005.
  AR: 18.75% (33 out of 176).

• D. Rocco, J. Caverlee, L. Liu, and T. Critchlow. ``Exploiting the Deep Web with DynaBot: Matching, Probing, and Ranking", Proceedings of the 14th International World Wide Web Conference (WWW '05). May 10-14, 2005 in Chiba, Ja pan. Poster. pp.

• Bugra Gedik and Ling Liu. ``A Scalable Peer-to-Peer Architecture for Distributed Information Monitoring Applications", IEEE Transactions on Computers. Vol. 54, No.6. June 2005. pp767-782.

• Lakshmish Ramaswamy, Bugra Gedik, Ling Liu. "A Distributed Approach to Node Clustering in Decentralized Peer-to-Peer Networks", IEEE Transactions on Parallel and Distributed Systems (TPDS), Vol. 16, No. 9, Sept. 2005. pp1-16.

• Ling Liu, David Buttler, James Caverlee, Wei Han, Calton Pu, Jianjun Zhang. ``A Methodical Approach to Extracting Meaningful Objects from Dynamic Web Pages", International Journal of Web and Grid services, Special issue on Semantic Web Mining and Reasoning.

• Mudhakar Srivatsa, Li Xiong, Ling Liu. `` ExchangeGuard: A Distributed Protocol for Electronic Fair-Exchange'', Proceedings of the 19th International Parallel and Distributed Processing Symposium (IPDPS 2005), April 4-8, 2005 in Denver, Colorado.
  AR: 12% (60 out of 505)

• Sungkeun Park, Ling Liu, Calton Pu, Mudhakar Srivatsa, Jianjun Zhang. ``Resilient Trust Management for Web Service Integration", Proceedings of the 3rd IEEE International Conference on Web Services (ICWS 2005).

• Daniel Daniel Rocco, James Caverlee, Ling Liu, and Terence Critchlow. ``Domain-specific Web Service Discovery with Service Class Descriptions", Proceedings of the 3rd IEEE International Conference on Web Services (ICWS 2005).

• Daniel Rocco, James Caverlee, and Ling Liu. ``XPACK: A High-performance Web Document Encoding'', Proceedings of the International Conference on Web Information Systems and Technologies (WEBIST2005), 26-28 May 2005 Miami Beach, Florida, USA.

• Aameek Singh, Kaladhar Voruganti, Sandeep Gopisetty. David Pease, and Ling Liu. ``A Hybrid Access Model for Storage Area Networks", Proceedings of the IEEE-NASA Conference on Mass Storage Systems and Technologies (MSST), April 11-14, 2005, Monterey, California USA.

• Aameek Singh, Kaladhar Voruganti, Sandeep Gopisetty. David Pease, Linda Duyanovich and Ling Liu. ``Security vs Performance: Tradeoffs using a Trust Framework", to appear in the 22nd IEEE-NASA Conference on Mass Storage Systems and Technologies (MSST), April 11-14, 2005, Monterey, California, USA.

2004

• James Caverlee, Ling Liu, Daniel Rocco. "Discovering and Ranking Web Services with BASIL: A Personalized Approach with Biased Focus", to appear in the proceedings of the 2nd International Conference on Service Oriented Computing. New York City, NY, USA, November 15-18, 2004. Co-sponsored by ACM SIGWEB and ACM SIGSOFT (ACM Press). Acceptance Rate: 20% (33 out of 164). [slides]

• Mudhakar Srivatsa and Ling Liu. "Vulnerabilities and Security Threats in Structured Overlay Networks: A Quantitative Analysis", to appear in the Proceedings of the 20th Annual Computer Security Applications Conference (ACSAC 2004), (IEEE Press). December 6-10, 2004, Tucson, Arizona

• Todd Miller and Ling Liu. Web Crawling and Search, Chapter 13 in The Practical Handbook of Internet Computing. Edited by Munindar P. Singh, Chapman & Hall/ CRC Press, 2004 ISBN 1-584-88381-2.
• Bugra Gedik, Kun-Lung Wu, Philip Yu, Ling Liu. ``Motion Adaptive Indexing for Moving Continual Queries over Moving Objects", Proceedings of the ACM Conference on Information and Knowledge Management (CIKM 2004), November 8-13, 2004, Hyatt Arlington Hotel, Washington D.C., U.S.A. Acceptance Rate: 19\% (59 out of 303).

• Keke Chen and Ling Liu. ``ClusterMap: Labeling Clusters in Large Datasets via Visualization", Proceedings of the ACM Conference on Information and Knowledge Management (CIKM 2004), November 8-13, 2004, Hyatt Arlington Hotel, Washing ton D.C., U.S.A. Acceptance Rate: 19% (59 out of 303).

• Bugra Gedik, Aameek Singh, Ling Liu. ``Energy Efficient Exact kNN Search in Wireless Broadcast Environments", Proceedings of thei 12th International Symposium of ACM GIS, 2004, Washington, D.C., November 12th--13th, 2004. Acceptance Rate: 30% (30 out of 90).

• Lakshmish Ramaswamy, Arun Iyengar, Ling Liu, Fred Douglis. ``Automatic Detection of Fragments in Dynamically Generated Web Pages", Proceedings of the 10th International Conference on World Wide Web, May 17-22, 2004. (Manhattan, N.Y.) pp443-453. (acceptance rate: 14.6%) Best Paper Award

• David Buttler, Dan Rocco, Ling Liu. ``Efficient Web Change Monitoring with Page Digest", Proceedings of the 10th International Conference on World Wide Web, May 17-22, 2004. (Manhattan, N.Y.) Poster Paper, pp476-477

• Wei Tang, Kipp Jones, Ling Liu, Calton Pu. ``BizCQ: Using Continual Queries to Cope with Changes in Business Information Exchange", Proceedings of the 10th International Conference on World Wide Web, May 17-22, 2004. (Manhattan, N.Y.) Poster Paper, pp470-471

• Aameek Singh and Ling Liu. ``A Hybrid Topology Architecture for P2P Systems", In Proceedings of the THIRTEENTH INTERNATIONAL CONFERENCE ON COMPUTER COMMUNICATIONS AND NETWORKS (ICCCN 2004), October 11-13, 2004 Chicago, IL USA, Holiday Inn Chicago - O'Hare Intl, USA

• Jianjun Zhang, Ling Liu, Calton Pu, and Mustafa Ammar. ``Reliable Peer-to-peer End System Multicasting through Replication", IEEE International Conference on Peer to Peer Computing (P2P 2004), Zurich, Switzerland, Aug. 25-27, 2004.

• Mudhakar Srivatsa, Bugra Gedik, Ling Liu. ``Scaling Unstructured Peer-to-Peer Networks with Multi-Tier Capacity-Aware Overlay Topologies", Proceedings of the Tenth International Conference on Parallel and Distributed Systems (ICPADS 20 04), July 7-9 in Newport Beach, California. (IEEE ICPADS 2004).
  Acceptance Rate: 22.3% (65/292)

• Keke Chen and Ling Liu. ``VISTA: Validating and Refining Clusters via Visualization", Journal of Information Visualization, Volume 3, Issue 4, Sept 2004. ISSN: 1473-8716 (Palgrave Macmillan Ltd) pp227-244.

• Ling Liu, Calton Pu, and Duncan Dubugras Ruiz. ``Dynamic Workflow Restructuring Framework for Long-Running Business Processes", Chapter in Advanced Topics in Database Research, Vol. 4. Idea Group Inc., 2004

• Li Xiong and Ling Liu. ``Reputation and Trust in Mobile Commerce", A chapter in Advances in Security and Payment Methods for Mobile Commerce , Idea Group, Inc.

• Todd Miller and Ling Liu, ``Web Crawl and Search", Chapter 13, Practical Handbook of Interne t Computing, CRC Press, Munindar Singh ed. pp 13-1 - 13-18.

• James Caverlee, Ling Liu, and David Buttler. "Probe, Cluster, and Discover: Focused Extraction of QA-Pagelets from the Deep Web", Proceedings of the 20th IEEE International Conference on Data Engineering (ICDE 2004), March 30-April 2, 2004 (Boston, USA). Acceptance Rate: 14% (63 out of 441). [slides]

• Bugra Gedik and Ling Liu. "MobiEyes: Distributed Processing of Continuously Moving Queries on Moving Objects in a Mobile System", Proceedings of the 9th International Conference on Extending Database Technology (EDBT), March 14-18, 2004 (Heraklion - Crete). (acceptance rate: 14% (42 out of 294)

• Li Xiong and Ling Liu. "PeerTrust: Supporting Reputation-Based Trust for Peer-to-Peer Electronic Communities", IEEE Transactions on Knowledge and Dat a Engineering, Vol.16, No. 7 (July 2004). Special issue on Peer to Peer Based Data Man agement. pp 843-857.

• Lakshmish Ramaswamy and Ling Liu. `` An Expiration-Age Based Document Placement Scheme for Cooperative Web Caching", In: IEEE Transactions on Knowledge and Data Engineering, Vol 16, No. 5 (May 2004). pp.585-600

• Henrique Paques, Ling Liu, and Calton Pu. "Adaptation Space: A Design Framework for Adaptive Web Services". International Journal of Web Service Research (JWSR), Vol. 1, No. 3, July-Sept. 2004. pp1-24.

• Lonnie Harvel, Gregory Abowd, Ling Liu, Yu-Xi Lim, Chris Scheibe, Chris Chatham ``Context Cube: Flexible and Effective Manipulation of Sensed Context Data", In Proceedings of the 2nd International Conference on Pervasive Computing (PERVASIVE 2004), April 18-23, Linz/Vienna, Austria.

• Galen S. Swint Calton Pu Younggyun Koh Ling Liu Wenchang Yan Charles Consel Koichi Moriyama Jonathan Walpole. "Infopipes: The ISL/ISG Implementation Evaluation", International Conference on Network Computing and Applications (NCA 2004).

2003

• Ling Liu, Wei Tang, David Buttler, and Calton Pu. "Information Monitoring on the Web: A Scalable Solution". World Wide Web Journal (by Kluwer Academic Publishers), Volume 5, No. 4.

• Aameek Singh, Mudhakar Srivatsa, Ling Liu and Todd Miller. " Apoidea: A Decentralized Peer-to-Peer Architecture for Crawling the World Wide Web" In: Proccedings of the ACM SIGIR workshop on Distributed IR, Aug. 1, 2003. Lecture Notes of Computer Science (LNCS) series, Springer Verlag

• Aameek Singh and Ling Liu. "TrustMe: Anonymous Management of Trust Relationships in Decentralized P2P networks", In: Proceedings of the third IEEE Conference on Peer-to-Peer Computing, September 1-, Linkoping, Sweden.

• Lakshmish Ramaswamy, Bugra Gedik, Ling Liu. "Connectivity Based Node Clustering in Decentralized Peer to Peer Networks", In: Proceedings of the third IEEE Conference on Peer-to-Peer Computing, September 1-, Linkoping, Sweden. (AR:32%)

• Bugra Gedik and Ling Liu. ``Building Reliable Peer-to-Peer Information Monitoring Service Through Replication". Proceedings of the 22nd Symposium on Reliable Distributed Computing (SRDS2003), 6th-8th/October, 2003 - Florence, Italy. (IEEE SRDS 2003). Acceptance Rate:28.6% (36/126)

• Keke Chen and Ling Liu, "Validating and Refining Clusters via Visual Rendering", Proceedings of the IEEE Conference on Data Mining, 2003 (IEEE ICDM 2003). Melbourne, Florida, USA, November 19 - 22, 2003

• Keke Chen and Ling Liu. ``Vista: Visualization Expedites Large-Scale Clustering", Submitted.

• Lakshmish Ramaswamy, Arun Iyengar, Ling Liu, Fred Douglis. ``Automatic Detection of Fragments in Websites", Proceedings of ACM International Conference on Information and Knowledge Management, 2003.

• Renato Fileto, Ling Liu, Calton Pu, Claudia Bauzer Medeiros, Eduardo Delgado Assad. "POESIA: An Ontological Workflow Approach for Composing Web Services in Agriculture", International Journal of Very Large Database Systems, 12(4): 352-367 (2003). Special issue on Semantic Web, Guest Editors: Vijay Atluri, Anupam Joshi, Yelena Yesha.

• Renato Fileto, Claudia Bauzer Medeiros, Ling Liu, Calton Pu, and Eduardo Delgado Assad. "Using Domain Ontologies to Help Track Data Provenance", Proceedings of SBBD 2003. (Symposium of the Brazilian Databases Conference) pp84-98.

• Bugra Gedik and Ling Liu. ``PeerCQ: A Decentralized and Self-Configuring Peer-to-Peer Information Monitoring System". Proceedings of the 23rd International Conference on Distributed Computing Systems (ICDCS2003), May 19-22, 2003, Providence, Rhode Island USA. Acceptance Rate: 17.7% (72/406). (Best Paper Award)

• Henrique Paques, Ling Liu, and Calton Pu. "Adaptation Space: A Design Framework for Adaptive Web Services". Proceedings of International Conference on Web Services - Europe, 2003.

• Li Xiong and Ling Liu. ``A Reputation-Based Trust Model for Peer-to-Peer eCommerce Communities". Proceedings of the 2003 IEEE Conference on E-Commerce (CEC'03). Newport Beach, USA, June, 2003.

• L. Xiong, L. Liu. " A Reputation-Based Trust Model for Peer-to-Peer eCommerce Communities (Extended Abstract). In Fourth ACM Conference on Electronic Commerce (EC'03), San Diego, June, 2003

• Daniel Rocco, David Buttler, and Ling Liu. ``Page Digest for Large-Scale Web Services". Proceedings of the 2003 IEEE Conference on E-Commerce (CEC'03).

• Tarik Arici, Bugra Gedik, Yucel Altunbasak, Ling Liu. ``PINCO: a Pipelined In-Network COmpression Scheme for Data Collection in Wireless Sensor Networks". The 12th International Conference on Computer Communications and Networks (IEEE ICCCN 2003). (AR:32%)

• Keke Chen and Ling Liu. ``A Visual Framework Invites Human into the Clustering Process", Proceedings of the International Conference on Scientific and Statistical Database Management (SSDBM2003), July 9-11 2003, Cambridge, MA (USA).

• I. Altintas, S. Bhagwanani, D. Buttler, S. Chandra, Z. Cheng, M. Coleman, T. Critchlow, A. Gupta, W. Han, L. Liu, B. Ludäscher, C. Pu, R. Moore,A. Shoshani, and M. Vouk. "A Modeling and Execution Environment for Distributed Scientific Workflows", In 15th Intl. Conference on Scientific and Statistical Database Management (SSDBM), Boston, Massachussets, 2003.

• Wei Tang, Ling Liu, and Calton Pu. ``Trigger Grouping: A Scalable Approach to Large Scale Information Monitoring", The 2nd IEEE International Symposium on Network Computing and Applications (NCA-03). April 16-18, 2003 Royal Sonesta Hotel, Cambridge, MA, USA.

• Ling Liu, David Buttler, Terence Critchlow, Wei Han, Henrique Paques, Calton Pu, Dan Rocco. ``BioZoom: Exploiting Source-capability Information for Integrated Access to Multiple Bioinformatics Data Sources" Proceedings of the Third IEEE Symposium on BioInformatics and BioEngineering (BIBE 2003), 10-12 March 2003, Washington, DC.

• I. Altintas, S. Bhagwanani, D. Buttler, S. Chandra, Z. Cheng, M. Coleman, T. C ritchlow, A. Gupta, W. Han, L. Liu, B. Lud\344scher, C. Pu, R. Moore,A. Shosha ni, and M. Vouk. "A Modeling and Execution Environment for Distributed Scientific Workflows", Proceedings of the 15th Intl. Conference on Scientific and Statistical Database Management (SSDBM), Boston, Massachusetts, 2003. pp247-250

• Lakshmish Ramaswamy and Ling Liu. ``An Expiration-Age Based Document Placement Scheme for Cooperative Web Caching", Accepted in March 2003 by IEEE Transactions on Knowledge and Data Engineering.

• Ling Liu and Calton Pu. ``Towards Flexible Specification, Composition, and Coordination of Workflow Activities", A book chapter in Advanced Topics in Database Research, vol. 2, edited by Dr. Keng Siau. Idea Group Inc. 2003 pp 162-190.

• Henrique Paques, Ling Liu, and Calton Pu. Distributed Query Adaptation and Its Trade-offs. Proceedings of the Eighteenth Annual ACM Symposium on Applied Computing (ACM SAC 2003) , March 9 to 12, 2003, Melbourne, Florida, USA. (DataBase Systems track)

• Keke Chen and Ling Liu. ``Cluster Rendering of Skewed Datasets via Visualization". Proceedings of the Eighteenth Annual ACM Symposium on Applied Computing (ACM SAC 2003), March 9 to 12 , 2003, Melbourne, Florida, USA. (Multimedia and Visualization track)

• Lakshmish Ramaswamy and Ling Liu. `` FreeRiding: A New Challenge for Peer-to-Peer File Sharing Systems". In: Proceedings of the 36th HAWAII INTERNATIONAL CONFERENCE ON SYSTEM SCIENCES (HICSS-36) - Peer-to-Peer (P2P) Computing Track, January 6-9, 2003, Hilton Waikoloa Village, Big Island, Hawaii.

2002

• Bugra Gedik and Ling Liu. ``A Scalable Peer to Peer Architecture for Distributed Information Monitoring Applications", Submitted.

• Ling Liu, Calton Pu, Duncan Dubugras Ruiz. ``A Systematic Approach to Flexible Specification, Composition, and Restructuring of Workflow Activities", In Journal of Database Management, Vol. 15, No.1,Jan/March, 2004. pp1-40.

• Shirley L. Xiong and Ling Liu. ``Building Trust in Decentralized Peer-to-Peer Electronic Communities". Proceedings of the Fifth International Conference on Electronic Commerce Research (ICECR-5), Montreal, Canada, October, 2002

• Lakshmish Ramaswamy and Ling Liu. ``FreeRiding: A New Challenge for Peer-to-Peer File Sharing Systems". Technical Report GIT-CC-02-09, Georgia Institute of Technology, 2002.

• Shiley L. Xiong and Ling Liu. ``PeerTrust: A Trust Mechanisam for an Open Peer-to-Peer Information System". Technical Report GIT-CC-02-29, Georgia Institute of Technology, 2002.

• Bugra Gedik and Ling Liu. ``PeerCQ: A Scalable and Self-Configurable Peer-to-Peer Information Monitoring System", Technical Report GIT-CC-02-32, Georgia Institute of Technology, 2002.

• Keke Chen and Ling Liu. ``Vista: Modeling and Labling Clusters of Large Multidimentional Datasets Efficiently". Technical Report GIT-CC-02-30, Georgia Institute of Technology, 2002.

• Duncan Dubugras Ruiz, Ling Liu, Calton Pu. ``Distributed Workflow Restructuring: An Experimental Study", Technical Report GIT-CC-02-36, Georgia Institute of Technology, 2002.

• Henrique Paques, Ling Liu, Calton Pu. ``Ginga: A Self-Adaptive Query Processing Service". Proceedings of ACM International Conference on Information and Knowledge Management (CIKM 2002).

• Mustaque Ahamad, W. Lee, Ling Liu, Leo Mark. E. Omicienski, Calton Pu, A. dos Santos. ``Guarding the Next Internet Frontier: Countering Denial of Information Attack", Proceedings of the New Security Paradigm Workshop, September 2002.

• Ling Liu, Wei Tang, Dave Buttler, Calton Pu. ``Information Monitoring on the Web: A Scalable Solution". In: International Journal of World Wide Web, 2002.

• Lakshmish Ramaswamy and Ling Liu. ``A New Document Placement Scheme for Cooperative Web Caching". Proceedings of the 22nd International Conference on. Distributed Computing Systems (ICDCS 2002). July 2-5, 2002 - Vienna, Austria (IEEE Press).

• David Buttler, Matthew Coleman, Terence Critchlow, Renato Fileto, Wei Han, Ling Liu, Calton Pu, Daniel Rocco, Li Xiong: Querying Multiple Bioinformatics Data Sources: Can Semantic Web Research Help? SIGMOD Record. Dec. 2002. pp59-64

2001

• David Buttler, Ling Liu, Calton Pu. ``A fully automated object extract system for the Web". Proceeding of the 21st International Conference on Distributed Computing (ICDCS-21), April 16-19, 2001. Phoenix, Arizona, USA. IEEE Computer Society. (IEEE Press)

• David Buttler, Ling Liu, Calton Pu and Henrique Paques. ``OminiSearch: A method for searching dynamic content on the Web". A demo paper in the proceedings of ACM SIGMOD Conference, Santa Barbara, California, May 21-24, 2001

• Ling Liu, Calton Pu, Wei Han. "An XML-Enabled Data Extraction for Web Sources" International Journal of Information Systems, Special Issue on Data Extraction, Cleaning, and Reconciliation. (eds. Mokrane Bouzeghoub and Maurizio Lenzerini), 2001.

2000

• David Buttler and Ling Liu. ``Omini: A fully automated object extract system for the Web". Technical Report, College of Computing, Georgia Techi, Sept. 2000.

• Ling Liu, Calton Pu, and Wei Tang. ``WebCQ: Detecting and Delivering Information Changes on the Web" In: the Proceesings of International Conference on Information and Knowle dge Management (CIKM), Nov. 7-10, 2000 Washington D.C., ACM Press. pp512-519 (A short version of the following technical report).

• Ling Liu, Calton Pu, Karsten Schwan, Jon Walpole. "InfoFilter: Supporting Quality of Service for Fresh Information Delivery", In: New Generation Computing Journal (Vol.18, No.4), Special issue on Advanced Multimedia Content Processing (eds. Shojiro NISHIO), (2000) pp305-321. (Ohmsha, Ltd. and Springer-Verlag).

• Ling Liu, Dave Buttler. Wei Han, Calton Pu, Henrique Paques, Calton Pu, Wei Tang."AQR-Toolkit: An Adaptive Query Routing Middleware for Distributed Data Intensive Systems", ACM SIGMOD 2000, Dallas, Texas (May 14-19).

• Ling Liu, Calton Pu, Wei Han. ``XWrap: An XML-enabled Wrapper Construction System for Web Information Sources", In Proceedinghs of the 16th International Conference on Data Engineering (ICDE 2000), March, 2000, San Diego, CA (IEEE CS Press). pp611-621.

• G. Froehlich, H.J. Hoover, L. Liu and P. Sorenson. "Choosing an Object-Oriented Domain Framework", ACM Computing Surveys Symposium on Object-Oriented Frameworks, March 2000

1999

• Ling Liu, Calton Pu and Wei Tang. "Supporting Internet Applications Beyond Browsing: Trigger Processing and Change Notification", Proceedings of the 5th International Computer Science Conference (ICSC '99) Special Theme on Internet Applications, December 15-17, 1999, Hong Kong. (Springer Verlag). pp294-304.

• Z. Tari, X. Li and L. Liu. "Type Safety in the Context of Method Updates", Kluwer International Journal on Intelligent Information Systems (JIIS) 13(3), 1999, pp. 279-298.

• Ling Liu. "Query Routing in Large-scale Digital Library Systems". International Conference on Data Engineering (ICDE'99), March, 1999 (Sydney, Australia), IEEE Press. pp154-163.

• Ling Liu, Calton Pu, Wei Tang, Wei Han. "Conquer: A Continual Query System for Update Monitoring in the WWWW". In: special issue on Web semantics, International journal of Computer Systems, Science and Engineering. pp 263-304.

• Ling Liu, Calton Pu, Wei Tang. "Continual Queries for Internet Scale Event-Driven Information Delivery", In: Special issue on Web Technologies, IEEE Transactions on Knowledge and Data Engineering, Vol.11, No.4, July/Aug. 1999. pp610-628.

• Ling Liu, Wei Han, David Buttler, Calton Pu, Wei Tang. "An XML-based Wrapper Generator for Web Information Extraction", ACM SIGMOD Conference 1999, pp540-543.

• Tong Zhou, Ling Liu, Calton Pu. "TAM: A System for Dynamic Transactional Activity Management", ACM SIGMOD Conference 1999, pp571-573

• Jonathan Walpole, Charles Krasic, Ling Liu, David Maier, Calton Pu, Dylan McNamee and David Steere. "Quality of Service Semantics of Multimedia Database Systems", In: the 8th IFIP 2.6 Working Conference on Data Semantics (DS-8), Semantic Issues in Multimedia Systems. Rotorua, New Zealand, January 5-8, 1999.pp393-412

1998

• Ling Liu, Calton Pu, Kirill Richine. "Distributed Query Scheduling Service: An architecture and its Implementation", In: Special issue on Compound Information Services, International Journal of Cooperative Information Systems (IJCIS), edited by Avigdor Gal and John Mylopoulos. Vol.7, No.2&3, 1998. pp123-166.

• Tong Zhou, Calton Pu, Ling Liu. "Towards Building Flexible and Reliable Electronic Commerce Systems: A Distributed Transactional Activity Approach", In: Proceesings of the First International Conference on Telecommunications and ElectronicCommerce, Nov. 19-22, 1998, Nashville, TN.

• Tong Zhou, Calton Pu, Ling Liu. "Dynamic restructuring of Transactional Workflow Activities : A Practical Implementation Method", In the Seventh International Conference on Information and Knowledge Management (CIKM'98), November 3-7, 1998, Washington D.C., USA pp378-385.

• Ling Liu, L. Yan, and M.T. Ozsu. "Interoperability in Large-Scale Distributed Information Delivery Systems", In Advances in Workflow Systems and Interoperability, A. Dogac, L. Kalinichenko, M.T. Özsu and A. Sheth (eds.), Springer-Verlag, 1998 in press.

• Calton Pu and Ling Liu. "Update Monitoring: The CQ project", The 2nd International Conference on Worldwide Computing and Its Applications - WWCA'98, Lecture Notes in Computer Science 1368, pp396-411. (Tsukuba, Japan)

• G. Froehlich, H.J. Hoover, L. Liu and P. Sorenson. "Choosing an Object-Oriented Domain Framework", ACM Computing Surveys Symposia on Object-Oriented Frameworks, 1998

• Garry Froehlich, James Hoover, Ling Liu, Paul Sorenson. "Reusing Application Frameworks Through Hooks" In: Object-oriented Application Frameworks, (eds) Mohamed Fayad, Doug Schmidt, and Ralph Johnson, (1998, John Wiley & Sons, Inc.) 1998 (Two Volumns). ms 19.

• Ling Liu, Calton Pu, Wei Tang, Dave Buttler, John Biggs, Tong Zhou, Paul Benninghoff, Wei Han, Fenghua Yu. ``CQ: A Personalized Update Monitoring Toolkit". Proceedings of the ACM SIGMOD 1998, Seattle, Washington, June 1-4. pp547-549.

• Ling Liu and Calton Pu. "Methodical Restructuring of Complex Workflow Activities". IEEE 14th International Conference on Data Engineering, February 23-27, 1998, Orlando, Florida, USA. pp342-350.

• Ling Liu and Calton Pu. "A Transactional Activity Model for Organizing Open-ended Cooperative Activities". In: the 31st Hawaii International Conference on Systen Sciences (HICSS-31) -- Workflow Systems Minitrack, January 6-9, 1998 (Big Island of Hawaii)

• Ling Liu. "EVOLVE: Adaptive Specification Techniques for Object-oriented Software Evolution". In: the 31st Hawaii International Conference on Systen Sciences (HICSS-31) -- Modeling Technologies and Intelligent Systems Track, January 6-9, 1998 (Big Island of Hawaii)

• Garry Froehlich, James Hoover, Ling Liu, Paul Sorenson. "Using Object-oriented Frameworks" In Handbook of Object Technology, CRC Press, Boca Raton, FL. Edited by Saba Zamir. pp.26-1-26.22

• Garry Froehlich, James Hoover, Ling Liu, Paul Sorenson. "Designing Object-oriented Frameworks" In Handbook of Object Technology, CRC Press, Boca Raton, FL. pp25-1 - 12-22. %Edited by Saba Zamir.

1997

• Ling Liu and Calton Pu. ``ActivityFlow: Towards Incremental Sepcification and Flexible Coordination of Workflow Activities", In: The 16th International Conference on Conceptual Modeling (ER'97) , Los Angeles, California, USA (3 - 6 November 1997). pp169-182.

• V. Oria, M.T. Vzsu, L. Liu, X. Li, J.Z. Li, Y. Niu, and P. Iglinski. ``Modeling Images for Content-Based Queries: The DISIMA Approach", In the Second International Conference on Visual Information Systems, San Diego, CA, December 1997 (339-346).

• Tong Zhou, Calton Pu, and Ling Liu. ``Using OCP to build Flexible Coordination Protocols: A Transactional Multimedia Application", In: the International Symposium on Digital Media Information Base (DMIB'97), Nara, Japan, November 26-28, 1997. pp305 - 309, World Scientific.

• L. Liu and C. Pu. ``A Metadata Based Approach to Improving Query Responsiveness", in Proceedings of the second IEEE International Conference on Metadata , September 16-17, 1997 (NOAA Auditorium, Silver Spring, Maryland).

• L. Liu, L. Yan, and Tamer Ozsu. "Interoperability in Large-scale Distributed Information Delivery Systems". NATO Advanced Study Institute (ASI) on Workflow Management Systems and Interoperability, August 12-21, 1997, Grand Hotel Tarabya, Istanbul, Turkey (invited paper).

• L. Liu and C. Pu. ``A Reflective Framework for Capturing Complex Dependencies of Workflow Activities", In: The Proceeding of IPSJ International Symposium on Information Systems and Technologies for Network Society September 24-26, Fukuoka Institute of Technology, (Invited paper), World-Scientific Pub. pp368-376.

• L. Liu and C. Pu. ``Dynamic Query Processing in DIOM", In: IEEE Bulletin on Data Engineering, Special issues on Improving Query Responsiveness, September 1997 Vol.20, No. 3 (Invited) pp30-37.

• Ling Liu and Calton Pu. " Object-oriented Approach to Integration and Access of Heterogeneous Information Sources", DISTRIBUTED AND PARALLEL DATABASES: An International Journal, Volume 5, No. 2, 1997, pp167-205.

• Garry Froehlich, James Hoover, Ling Liu, Paul Sorenson. " Hooking into Object-oriented Application Frameworks", The 19th Int. Conf. on Software Engineering (ICSE-19), Boston, May 23-25, 1997. pp491-501.

• L. Yan, M.T. Ozsu, L. Liu. ``Accessing Heterogeneous Data Through Homogeization and Integration Mediators", Proceedings of the second IFCIS International Conference on Cooperative Information Systems (CoopIS'97), Charleston, South Carolina, USA, June 24-27 1997. pp130-139.

• L. Yan, M. T. Ozsu, and L. Liu. "Mediator join indices",
  The Seventh International Workshop on Research Issues in Data Engineering (RIDE'97), Birmingham, UK, April, 1997, pp51-59.

• L. Liu and C. Pu. " A Dynamic Query Scheduling Framework for Distributed and Evolving Information Systems",
  The 17th IEEE International Conference on Distributed Computing Systems (ICDCS'97), Baltimore, Maryland, USA, May 27-30, 1997. pp474-481.

• Y. Lee, L. Liu, C. Pu. "Towards Interoperable Heterogeneous Information Systems: An Experiment using the DIOM approach", In the Proceesings of the 12th ACM Symposium on Applied Computing (ACM SAC'97) Special track on Database Technology, February 28-March 2, 1997, San Jose, California, USA. pp. A longer version also appeared as TR96-28, Department of Computing Science, University of Alberta.

• Ling Liu, R. Zicari, K. Lieberherr, and W. Hursch. "The Role of Polymorphic Reuse Mechanisms in Schema Evolution in an Object-oriented Database System.", IEEE Transactions on Knowledge and Data Engineering, Jan./Feb. 1997, Vol.9, No. 1, pp50-67.

1996

• Ling Liu and Calton Pu. "Issues on Query Processing in Distributed and Interoperable Information Systems", Proceedings of the International Symposium on Cooperative Database Systems for Advanced Applications, December 5-7, Kyoto, Japan, 1996 (Invited paper) pp70-79 (World Scientific Pubilishing Co.)

• Tong Zhou, Calton Pu, and Ling Liu. " Adaptable, Efficient, and Modular Coordination of Distributed Extended Transactions", The proceedings of Fourth International Conference on PARALLEL AND DISTRIBUTED INFORMATION SYSTEMs (PDIS), December 18-20, 1996, Miami Beach, Florida. (IEEE Press) pp262-273

• Ling Liu and Robert Meersman. " The Basic Building Blocks for Modeling Communication Behavior of Complex Objects: an Activity-driven Approach", ACM Transactions on Database Systems , Vol.21, No.3, June 1996, pp157-207.

• L. L. Yan, T. M. Ozsu, and L. Liu. "Towards A Mediator Development Environment: The Aurora Approach". TR96-21, Department of Computing Science, University of Alberta, 1996.

• Scott Fortin, Ling Liu and Randy Goebel. "Multi-Level Association Rule Mining: An Object-Oriented Approach based on Dynamic Hierarchies", TR96-15, Department of Computing Science, University of Alberta, 1996.

• Scott Fortin and Ling Liu. "An Object-oriented Approach to Multi-level Association Rule Mining", Proceedings of the International Conference on Information and Knowledge Management (CIKM'96), ACM Press, November 12-16, 1996 Rockville, Maryland, USA. (ACM Press) pp65-72

• Ling Liu, Robert Meersman and Calton Pu. "A Transactional Activity Model for Organizing Open-ended Cooperative Activities", TR96-11, Department of Computing Science, University of Alberta, Feb. 1996.

• Ling Liu, Calton Pu and Yooshin Lee. "Adaptive Query Mediation across Heterogeneous Information Sources ", In International Conference on Cooperative Information Systems (CoopIS), Brussels, Belgium, June 19-13, 1996, pp144-156. Also in TR96-10, Department of Computing Science, University of Alberta, 1996 pp144-156.

• Ling Liu and Calton Pu. " Metadata in the Interoperation of Heterogeneous Data Sources ", In the proceedings of the First IEEE Metadata Conference, 16 - 18 April 1996, NOAA Auditorium, Silver Spring, Maryland. On-line proceedings is available at here.

• Ling Liu, Calton Pu, Roger Barga, Tong Zhou. " Differential Evaluation of Continual Queries", An extended abstract in IEEE Proceedings of the 16th International Conference on Distributed Computing Systems, 27-30 May, 1996, Hong Kong. (IEEE Press) pp458-465. The long version is available as TR95-17, Department of Computing Science, University of Alberta.

• Ling Liu and Calton Pu. " An Object-oriented Approach to Interoperable Heterogeneous Information Sources", Invited Paper in Proceedings of the Seventh International Hong Kong Computer Society Database Workshop, Hong Kong (May 1996) (Springer Verlag) pp49-65.

1992

• Ling Liu and Robert Meersman. " Activity Model: A Declarative Approach for Capturing Communication Behavior in Object-oriented Database Systems.", In Proceedings of the 18th Int. Conf. on Very Large DataBases (Morgan Kaufmann) pp481-493.

• Ling Liu. " Exploring Semantics in Aggregation Hierarchy for Object-oriented Databases", In Proceedings of the 8th Int. Conf. on Data Engineering Pheonix, Arizona (Feb. 1992) pp116-225.

• Ling Liu and Joost Dijkstra. " Object-oriented Modeling and Its Tool Support for a Multimedia Database System", In Proceedings of Int. Conf. on Management of Data Bangalore (July 1992) pp159-499.

• Ling Liu and Robert Meersman. " Extensibility in Object-oriented Database Systems.", In Sprite: An Integrated System for Multimdeia Document Storage and Retrieval in a Technical Documentation Environment (ed.) J. Hoppe (Springer Verlag, 1992).

• Ling Liu. " Comment on Striving after Logical Data Independences"", In Tinbergen Institute Research Bulletin Vol.4, No.1 (1992) pp47-48.

Previous Referred Publications

March 17, 1997

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Last updated Dec. 15, 1999 . Ling Liu < lingliu@cc.gatech.edu >