Publications

1. K.-L. Wu, P. S. Yu and J. L. Wolf, "Segmentation of Multimedia Streams for Proxy Caching," IEEE Trans. on Multimedia, to appear.
   
   
2. K.-L. Wu, S.-K. Chen and P. S. Yu, "Efficient Processing of Continual Range Queries for Location-Aware Mobile Services," Information Systems Frontier, to appear.
   
   
3. M.-S. Chen, P. S. Yu and K.-L. Wu, "Optimizing Index Allocation for Sequential Data Broadcasting in Wireless Mobile Computing," IEEE Trans. on Knowledge and Data Engineering, vol. 15, no. 1, pp. 1--13, Jan 2003.
   
   
4. K.-L. Wu and P. S. Yu, "Replication for Load Balancing and Hot-Spot Relief for Proxy Caches with Hash Routing," Distributed and Parallel Databases, vol. 13, pp. 203--220, Jan. 2003.
   
   
5. K.-L. Wu and P. S. Yu, "Controlled Replication for Hash Routing-Based Web Caching," Journal of Computer Systems Science and Engineering, vol. 17, no. 4/5, pp. 3-12, Sept. 2002.
   
   
6. K.-L. Wu, P. S. Yu and J. Z. Teng, "Thrashing Control and Avoidance for Concurrent Mergesorts Using Parallel Prefetching," Journal of Computer Systems Science and Engineering, vol. 16, no. 6, pp. 349--359, Nov. 2001.
   
   
7. K.-L. Wu and P. S. Yu, "Report on Second International Workshop on Advanced Issues of E-Commerce and Web-Based Information Systems," SIGMOD Record, vol. 29, no. 3, pp. 19-23, Sept. 2000.
   
   
8. K.-L. Wu, P. S. Yu, J.-Y. Chung and J. Z. Teng, "Workfile Disk Management for Concurrent Mergesorts in a Multiprocessor Database System,'' Distributed and Parallel Databases, vol. 8, no. 3, pp. 279--296, July 2000.
   
   
9. K.-L. Wu and P. S. Yu, "Latency-Sensitive Hashing for Collaborative Web Caching," Computer Network, vol. 33, no. 1-6, pp. 633--644, June 2000.
   
   
10. P. S. Yu, K.-L. Wu and A. Dan, "Dynamic Parity Grouping for Efficient Parity Buffering for RAID-5 Disk Arrays," Journal of Computer Systems Science and Engineering, vol. 5, no. 3, pp. 155-163, May 2000.
    
    
11. K.-L. Wu and P. S. Yu and J. Z. Teng, "Run Placement Policies for Concurrent Mergesorts Using Parallel Prefetching," Knowledge and Information systems, vol. 1, no. 4, Nov. 1999.
    
    
12. Kawaguchi, K. Mok, C. Pu, K.-L. Wu and P. S. Yu, "A Performance Study of Divergence Control Algorithms," IEICE Trans. On Information and Systems, vol. E82-D, no. 1, pp. 224--235, Jan. 1999.
    
    
13. K.-L. Wu and P. S. Yu, "Increasing Multimedia System Throughput with Consumption-Based Buffer Management," Multimedia Systems, vol. 6, no. 6, pp. 421--428, Nov. 1998.
    
    
14. K.-L. Wu, P. S. Yu and M.-S. Chen, "Energy-Efficient Mobile Cache Invalidation," Distributed and Parallel Databases, pp. 351--372, vol. 6, no. 4, Oct. 1998.
    
    
15. K.-L. Wu, P. S. Yu and A. Ballman, "SpeedTracer: A Web Usage Mining and Analysis Tool," IBM Systems Journal, pp. 89--105, vol. 37, no. 1, Jan. 1998.
    
    
16. K.-L. Wu, P. S. Yu and C. Pu, "Divergence Control Algorithms for Epsilon Serializability," IEEE Trans. on Knowledge and Data Engineering, pp. 262--274, vol. 9, no. 2, Mar.-Apr. 1997.
    
    
17. Merchant, K.-L. Wu, P. S. Yu and M.-S. Chen, "Performance Analysis of Dynamic Finite Versioning Schemes: Storage Cost vs. Obsolescence," IEEE Trans. on Knowledge and Data Engineering, vol. 8, no. 3, pp. 985--1001, vol. 8, no. 7, Dec. 1996.
    
    
18. M.-S. Chen, P. S. Yu and K.-L. Wu, "Optimization of Parallel Execution for Multi-Join Queries," IEEE Trans. on Knowledge and Data Engineering, vol. 8, no. 3, pp. 416--428, June 1996.
    
    
19. C. Pu, W. Hseush, G. E. Kaiser, K.-L. Wu and P. S. Yu, "Divergence Control for Distributed Database Systems," Parallel and Distributed Databases, vol. 3, no. 1, pp. 85--109, Jan. 1995.
    
    
20. M.-S. Chen, P. S. Yu and K.-L. Wu, "Optimal NODUP All-to-All Broadcasting Schemes in Distributed Computing Systems," IEEE Trans. on Parallel and Distributed Systems, vol. 5, no. 12, pp. 1--11, Dec. 1994.
    
    
21. P. S. Yu, K.-L. Wu, K.-J. Lin and S. H. Son, "On Real-Time Databases: Concurrency Control and Scheduling," Proc. of the IEEE, Special Issue on Real-Time Systems, vol. 82, no. 1, pp. 140--157, Jan. 1994.
    
    
22. C. Pu, D. Florissi, P. Soares, K.-L. Wu and P. S. Yu, "Performance Comparison of Dynamic Policies for Remote Caching," Concurrency: Practice and Experience, vol. 5, no. 4, pp. 239--256, June 1993.
    
    
23. K.-L. Wu and W. K. Fuchs, "Rapid Transaction-Undo Recovery Using Twin-Page Storage Management," IEEE Trans. on Software Engineering, vol. 19, no. 2, pp. 155--164, Feb. 1993.
    
    
24. K.-L. Wu and W. K. Fuchs, "Recoverable Distributed Shared Virtual Memory," IEEE Trans. on Computers, vol. 39, no. 4, pp. 460--469, Apr. 1990.
    
    
25. K.-L. Wu, W. K. Fuchs and J. H. Patel, "Error Recovery in Shared Memory Multiprocessor Using Private Caches," IEEE Trans. on Parallel and Distributed Systems, vol. 1, no. 2, pp. 231--240, Apr. 1990.
    
    
26. W. K. Fuchs, K.-L. Wu and J. A. Abraham, "Comparison and Diagnosis of Large Replicated Files," IEEE Trans. on Software Engineering, vol. SE-13, vol. 1, pp. 15--22, Jan. 1987.
    
    

1. K.-L. Wu, S.-K. Chen and P. S. Yu, "Interval Query Indexing for Efficient Stream Processing," in Proc. of ACM Int. Conf. on Information and Knowledge Management, CIKM 2004, Washington D.C., Nov. 2004.
   
   
2. B. Gedik, K.-L. Wu, P. S. Yu and L. Liu, "Motion Adaptive Indexing for Moving Continual Queries over Moving Objects, " in Proc. of ACM Int. Conf. on Information and Knowledge Management, CIKM 2004, Washington, D.C., Nov. 2004.
   
   
3. K.-L. Wu, S.-K. Chen, P. S. Yu and M. Mei, "Efficient Interval Indexing for Content-Based Subscription E-Commerce and Services," in Proc. of IEEE Int. Conf. on e-Commerce Technology for Dynamic e-Business, CEC-East 2004, Beijing, China, Sept. 2004.
   
   
4. K.-L. Wu, S.-K. Chen and P. S. Yu, "Processing Continual Range Queries over Moving Objects Using VCR-Based Query Indexes," in Proc. of IEEE and ACM 1st Int. Conf. on Mobile and Ubiquitous Systems: Networking and Services, Mobiquitous 2004, Boston, MA, Aug. 2004.
   
   
5. K.-L. Wu, S.-K. Chen and P. S. Yu, "Shingle-Based Query Indexing for Loation-Based Mobile E-Commerce," in Proc. of IEEE Int. Conf. on E-Commerce, CEC 2004, San Diego, CA, July 2004.
   
   
6. K.-L. Wu, S.-K. Chen and P. S. Yu, "Indexing Continual Range Queries for Efficient Stream Processing," in Proc. of 36th Symp. on the Interface: Computational Biology and Bioinformatics, Interface 2004, Baltimore, MD, May 2004.
   
   
7. K.-L. Wu, S.-K. Chen and P. S. Yu, "Monitoring Continual Range Queries," in Proc. of the 6th Asia Pacific Web Conference, pp. 1-12, Hangzhou, China, April 2004.
   
   
8. A. Keller, J. L. Hellerstein, J. L. Wolf, K.-L. Wu and V. Krishnan, "The CHAMPS System: Change Management with Planning and Scheduling," in Proc. of IEEE/IFIP Network Operations and Management Symp., NOMS 2004, Seoul, South Korea, April 2004.
   
   
9. K.-L. Wu, S.-K. Chen and P. S. Yu, "Indexing Continual Range Queries for Location-Aware Mobile Services," in Proc. of IEEE Int. Conf. on e-Technology, e-Commerce and e-Service, EEE 2004, Taipei, Taiwan, 2004. (Best Paper Award)
   
   
10. K.-L. Wu, S.-K. Chen and P. S. Yu, "Indexing Continual Range Queries with Covering Tiles for Fast Locating of Moving Objects," in Proc. of IEEE ICDCS 2004 Workshop on Mobile Distributed Computing, MDC 2004, Tokyo, Japan, Mar. 2004.
    
    
11. K.-L. Wu, S.-K. Chen and P. S. Yu, "VCR Indexing for Fast Event Matching for Highly-Overlapping Range Predicates," in Proc. of ACM Symp. on Applied Computing, SAC 2004, Nicosia, Cyprus, Mar. 2004.
    
    
12. C. S. Li, C. C. Aggarwal, M. S. Campbell, Y.-C. Chang, G. Glass, V. Iyengar, M. V. Joshi, C.-Y. Lin, M. R. Naphade, J. R. Smith, B. L. Tseng, M. Wang, K.-L. Wu and P. S. Yu, "Epi-SPIRE: A System for Environmental and Public Health Activity Monitoring,"e; in Proc. of IEEE Int. Conf. on Multimedia and Expo, Baltimore, MD, July 2003.
    
    
13. K.-L. Wu and P. S. Yu, "Efficient Query Monitoring Using Adaptive Multiple Key Hashing," in Proc. of ACM Int. Conf. on Information and Knowledge Management, CIKM 2002, pp. 477--484, NcLean, VA, Nov. 2002.
    
    
14. K.-L. Wu and P. S. Yu, "Monitoring Web-Based Subscription Services," in Proc. of WWW2002 11th International World Wide Web Conference, poster, Hawaii, May 2002.
    
    
15. K.-L. Wu, S.-K. Chen and P. S. Yu, "Dynamic Refinement of Table Summarization for M-Commerce," in Proc. of IEEE 4th Workshop on E-Commerce and Web-Based Information Systems, New Port Beach, CA, pp. 179-186, June 2002.
    
    
16. K.-L. Wu, C. C. Aggarwal and P. S. Yu, "Personalization with Dynamic Profiler," in Proc. of the 3rd Workshop on E-Commerce and Web-Based Information Systems, San Jose, CA, pp. 12-20, June 2001.
    
    
17. K.-L. Wu, P. S. Yu and J. L. Wolf, "Segment-Based Proxy Caching of Multimedia Streams," in Proc. of the 10th Int. World Wide Web Conference, Hong Kong, pp. 36-44, May 2001.
    
    
18. K.-L. Wu and P. S. Yu, "Latency-Sensitive Hashing for Collaborative Web Caching," in Proc. of the 9th Int. World Wide Web Conference, Amsterdam, pp. 633-644, May 2000.
    
    
19. C. Aggarwal, J. Wolf, K.-L. Wu and P. S. Yu, "The Intelligent Recommendation Analyzer," in Proc. of Workshop on Knowledge Discovery and Data Mining on the World Wide Web, Taipei, Taiwan, pp. F-67--F-72, Apr. 2000.
    
    
20. M.-L. Lo, K.-L. Wu and P. S. Yu, "TabSum: A Flexible and Dynamic Table Summarization Approach," in Proc. of IEEE Int. Conf. on Distributed Computing Systems, Taipei, Taiwan, pp. 628--635, Apr. 2000.
    
    
21. K.-L. Wu and P. S. Yu, "Local Replication for Proxy Web Caches with Hash Routing," in Proc. of ACM CIKM Conf. on Information and Knowledge Management, Kansas City, MO, pp. 69--76, Nov. 1999.
    
    
22. C. C. Aggarwal, J. L. Wolf, K.-L. Wu and P. S. Yu, "Horting Hatches an Egg: A New Graph-Theoretic Approach to Collaborative Filtering," in Proc. of the 1999 ACM KDD Int. Conf. on Knowledge Discovery and Data Mining, San Diego, pp. 201--212, Aug. 1999.
    
    
23. K.-L. Wu and P. S. Yu, "Replication Issues on Proxy Cache Array," in Proc. of Parallel and Distributed Processing Techniques and Applications Conference, Las Vegas, NV, vol. 2, pp. 836--842, June 1999.
    
    
24. K.-L. Wu and P. S. Yu, "Load-Balancing and Hot Spot Relief for Hash Routing among a Collection of Proxy Caches," in Proc. of 19th Int. Conf. on Distributed Computing, Austin, TX, pp. 536--543, May 1999.
    
    
25. K.-L. Wu and P. S. Yu, "Controlled Local Replication for Hash Routing among Proxy Caches," in Poster Proc. of 8th Int. World Wide Web Conference, Toronto, Canada, pp. 14--15, May 1999.
    
    
26. K.-L. Wu and P. S. Yu, "Range-Based Bitmap Indexing for High Cardinality Attributes with Skew," in Proc. of Int. Computer Software and Application Conference, Vienna, Austria, pp. 61--66, Aug. 1998.
    
    
27. M.-S. Chen, P. S. Yu, and K.-L. Wu, "Indexed Sequential Data Broadcasting in Wireless Mobile Computing," in Proc. of Int. Conf. on Distributed Computing Systems, Baltimore, MD, pp. 124--131, May 1997.
    
    
28. K.-L. Wu and P. S. Yu, "Consumption-Based Buffer Management for Maximizing System Throughput of a Multimedia System," in Proc. of Int. Conf. on Multimedia Computing and Systems, Hiroshima, Japan, Jun. 1996.
    
    
29. K.-L. Wu, P. S. Yu and M.-S. Chen, "Energy-Efficient Caching for Wireless Mobile Computing," in Proc. of Int. Conf. on Data Engineering, New Orleans, LA, pp. 335--343, Feb. 1996.
    
    
30. K.-L. Wu, P. S. Yu, J.-Y. Chung and J. Z. Teng, " Performance Study of Workfile Disk Management for Concurrent Mergesorts in a Multiprocessor Database System,"in Proc. of 1995 VLDB, Zurich, Switzerland, pp. 100--109, Sept. 1995.
    
    
31. C. Pu, M. Tsang, K.-L. Wu and P. S. Yu, "ultiversion Divergence Control of Time Fuzziness,"in Proc. of 3rd Int. Conf. On Information and Knowledge Management, Githersburg, MD, pp. 196--203, Nov. 1994.
    
    
32. P. S. Yu, K.-L. Wu and A. Dan, "Dnamic Parity Grouping for Improving Write Performance of RAID-5 Disk Arrays," in Proc. of Int. Conf. on Parallel Processing, Pheasant Run, IL, pp. II-193--II-196, Aug. 1994.
    
    
33. K.-L. Wu, P. S. Yu and J. Z. Teng, "Data Placement and Buffer Management for Concurrent Mergesorts with Parallel Prefetching," in Proc. of Int. Conf. on Data Engineering, Houston, TX, pp. 518--527, Feb. 1994.
    
    
34. K.-L. Wu, P. S. Yu and J. Z. Teng, "Performance Comparison of Thrashing Control Policies for Concurrent Mergesorts with Parallel Prefetching," in Proc. of 1993 ACM SIGMETRICS, Santa Clara, CA, pp. 171--182, May 1993.
    
    
35. C. Pu, W. Hseush, G. E. Kaiser, K.-L. Wu and P. S. Yu, "Distributed Divergence Control for Epsilon Serializability," in Proc. of Int. Conf. on Distributed Computing Systems, Pittsburgh, PA, pp. 449--456, May 1993.
    
    
36. M.-S. Chen, P. S. Yu and K.-L. Wu, "Decentralized Consensus Protocols with Multi-Port Communication," in Proc. of Int. Conf. on Distributed Computing Systems, Pittsburgh, PA, pp. 356--365, May 1993.
    
    
37. K.-L. Wu, P. S. Yu and M.-S. Chen, "Dynamic Finite Versioning: An Effective Versioning Approach to Concurrent Transaction and Query Processing," in Proc. of Int. Conf. on Data Engineering, Vienna, Austria, pp. 577--586, Apr. 1993.
    
    
38. M.-S. Chen, P. S. Yu and K.-L. Wu, "On Designing Efficient Consensus Protocols," in Proc. of 1992 Int. Computer Symposium, Taichung, Taiwan, pp. 1174--1181, Dec. 1992.
    
    
39. C. Pu, D. Florissi, P. Soares, K.-L. Wu and P. S. Yu, "Performance Comparison of Active-Sender and Active-Receiver Policies for Distributed Caching," in Proc. of Symp. on High Performance Distributed Computing, Syracuse, NY, pp. 218--227, Sept. 1992.
    
    
40. M. S. Chen, K.-L. Wu and P. S. Yu, "Efficient Decentralized Consensus Protocols in a Distributed Computing System," in Proc. of 12th Int. Conf. on Distributed Computing Systems, Yokohama, Japan, pp. 426--433, June 1992.
    
    
41. A. Merchant, K.-L. Wu, P. S. Yu and M.-S. Chen, "Performance Analysis of Dynamic Finite Versioning for Concurrent Transaction and Query Processing," in Proc. of 1992 ACM SIGMETRICS and PERFORMANCE '92, Newport, RI, pp. 103--114, June 1992.
    
    
42. K.-L. Wu, P. S. Yu and C. Pu, "Divergence Control for Epsilon-Serializability," in Proc. of 8th Int. Conf. on Data Engineering, Tempe, AZ, pp. 506--515, Feb. 1992.
    
    
43. M.-S. Chen, P. S. Yu and K.-L. Wu, "Scheduling and Processor Allocation for Parallel Execution of Multi-Join Queries," in Proc. of 8th Int. Conf. on Data Engineering, Tempe, AZ, pp. 58--67, Feb. 1992.
    
    
44. M.-S. Chen, P. S. Yu and K.-L. Wu, "ptimal All-to-All Broadcasting Schemes in Distributed Systems," in Proc. of 1st Int. Conf. on Parallel and Distributed Information Systems, Miami, FL, pp. 253--260, Dec. 1991.
    
    
45. K.-L. Wu and W. K. Fuchs, "Twin-Page Management for Rapid Transaction-Undo Recovery," in Proc. of 14th Int. Computer Software and Applications Conf., Chicago, IL, pp. 295--300, Oct. 1990.
    
    
46. K.-L. Wu, W. K. Fuchs and J. H. Patel, "Cache-Based Error Recovery for Shared Memory Multiprocessor Systems," in Proc. of 1989 Int. Conf. on Parallel Processing, Vol. I Architecture, St. Charles, IL, pp. 159--166, Aug. 1989.
    
    
47. K.-L. Wu and W. K. Fuchs, "A Cache-Aided Multiprocessor Rollback Recovery Scheme," in Proc. of 1989 Joint Symp. on Fault-Tolerant Computing, China, pp. 280--285, July 1989.
    
    
48. K.-L. Wu and W. K. Fuchs, "Recoverable Distributed Shared Virtual Memory: Memory Coherence and Storage Structures," in Proc. of 19th Int. Symp. on Fault-Tolerant Computing, Chicago, IL, pp. 520--527, June 1989.
    
    
49. W. K. Fuchs, K.-L. Wu and J. A. Abraham, "Low-Cost Comparison and Diagnosis of Large Remotely Located Files," in Proc. of 5th Symp. on Reliability in Distributed Software and Database Systems, Los Angeles, CA, pp. 67--73, Jan. 1986.