Dr. Philip S. Yu


     1.        "Index Allocation for Data Broadcasting", (with M-S. Chen and K-L. Wu), US Patent 6,493,762, Dec. 10, 2002.

     2.        "System and Method for Collaborative Filtering with Applications to E-commerce", (with C. Aggarwal, and J.L. Wolf), US Patent 6,487,541, Nov. 26, 2002.

     3.        "Semantic based Collaborative Filtering", (with C. Aggarwal), US Patent 6,487,539, Nov. 26, 2002.

     4.        "Method, Apparatus and Program Storage Device for a Client and Adaptive Synchronization and Transformation Server", (with Y. Huang), US Patent 6,477,543, Nov. 15, 2002. (Also issued as Patent NI-1489090 in Taiwan and Patent 343823 in Korea.)

     5.        "Optimizing Method for Digital Content Delivery in a Multicast Network", (with C. Aggarwal, J. Sethuraman, M.S. Squilante, and J.L. Wolf), US Patent 6,477,180, Nov. 15, 2002.

     6.        "Method and Apparatus for Caching for Media Stream", (with J.L. Wolf), US Patent 6,463,508, Oct. 8, 2002.

     7.        "Load Balancing Cooperating Cache Servers by Shifting Forwarded Requests", (with K.L. Wu and K.M. Jordan), US Patent 6,438,652, Aug. 20, 2002. (Also issued as Patent NI-135110 in Taiwan.)

     8.        "Method and Apparatus of a Collaborative Proxy System for Distributed Deployment of Object Rendering", (with K-L. Wu and Y. W. Huang), US Patent 6,438,576, Aug. 20, 2002. (Also issued as Patent 322716 in Korea).

     9.        "Method and System for Mining Weighted Association Rule", (with W. Wang, and J. Yang), US Patent 6,415,287, July 2, 2003.

  10.        "System and Method of Using Clustering to Find Personalized Associations", (with C. Aggarwal), US Patent 6,408,295, June 18, 2002.

  11.        "Method and Apparatus for Load Balancing for Web Cluster Farms", (with J.L. Wolf), US Patent 6,374,297, April 16, 2002.

  12.        "Web Object Caching and Apparatus for Performing the Same", (with K-L. Wu), US Patent 6,370,620, April 9, 2002.

  13.        "System and Method of Generating Taxonomies with Applications to Content based Recommendations", (with C. Aggarwal, and S. Gates), US Patent 6,360,227, March 19, 2002.

  14.        "Method for Collaborative Transformation and Caching of Web Objects in a Proxy Network", (with J. Beurket, P. Malkin, W. Rubin, and G. Ziedins), US Patent 6,360,273, March 19, 2002.

  15.        "Content based Method for Product-Peer Filtering", (with C. Aggarwal), US Patent 6,356,879, March 12, 2002.

  16.        "Load Balancing across Servers in a Computer Network", US Patent 6,351,775, Feb. 26, 2002. (Also issued as Patent 2970760 in Japan, Patent NI-140031 in Taiwan, and Patent 318779 in Korea.)

  17.        "System and Method for Detecting Clusters of Information with Application to E-commerce", (with C. Aggarwal), US Patent 6,349,309, Feb. 19, 2002.

  18.        "Method and Apparatus for Random Update Synchronization among Multiple Computing Devices", (with Y. Huang), US Patent 6,343,299, Jan. 29, 2002.

  19.        "System and Method for the Distribution of Automotive Services", (with S. Boise, S. Dinkin and P. Moskowitz), US Patent 6,339,736, Jan. 15, 2002.

  20.        "Dynamic Modification of Multimedia Content", (with P.K. Malkin, R.J. Schloss, E.C. Snible, and M. Willebeck-LeMair), US Patent 6,317,795, Nov. 13, 2001. (Also issued as Patent 70095 in Singapore, and Patent 334994 in Korea).

  21.        "Method and Apparatus for Providing Awareness-Triggered Push", (with P. Malkin), US Patent 6,311,206, Oct. 30, 2001.

  22.        "System and Method for Detecting Clusters of Information", (with C. Aggarwal), US Patent 6,307,965, Oct. 23, 2001. (Also issued as Patent NI-141863 in Taiwan , Patent 339180 in Korea, and Patent 3195310 in Japan).

  23.        "Bandwidth Sensitive Scheduling Method and Apparatus for Distributed Broadcasting", (with Y. Huang), US Patent 6,292,835, Sept. 18, 2001.

  24.        "System and Method for Similarity Searching in High Dimensional Data Space", (with B. Hailpern, C. Aggarwal and J.L. Wolf), US Patent 6,289,354, Sept. 11, 2001.

  25.        "Collaborative Server Processing of Content and Meta-information with Application to Virus Checking in a Server Network", (with B. Hailpern, P.K. Malkin, C. Palmer, R.J. Schloss, and S. White), US Patent 6,275,937, Aug. 14, 2001.

  26.        "Finding Collective Baskets and Inference Rules for Internet Mining", (with C. Aggarwal), US Patent 6,263,327, July 17, 2001.

  27.        "Identifying, Processing and Caching Object Fragment in a Web Environment", (with R.J. Schloss), US Patent 6,249,844, June 19, 2001.

  28.        "Method and Apparatus for Storing and Retrieving Scalable Video Data in A Disk-Array-Based Video Server", (with M-S. Chen and D.D. Kandlur), US Patent 6,240,243, May 29, 2001.

  29.        "System and Method for Searching Databases with Applications such as Peer Groups, Collaborative Filtering and E-Commerce", (with C. Aggarwal, and J.L. Wolf), US Patent 6,236,985, May 22, 2001.

  30.        "Method and System for Load Balancing by Replicating A Portion of A File Being Read by A First Stream onto Second Device and Reading Portion with A Second Stream Capable of Accessing", (with A. Dan, D. Sitaram and M. Kienzle), US Patent 6,223,206, April 24, 2001.

  31.        "Methods for Performing Large Scale Auctions and Online Negotiations", (with C. Aggarwal), US Patent 6,151,589, Nov. 21, 2000.

  32.        "An Information Handling System and Method for Maintaining Coherency between Servers and Mobile Terminals", (with M.S. Chen, and K.L. Wu), US Patent 6,128,648, Oct. 3, 2000.

  33.        "Method for Collaborative Transformation and Caching of Web Objects in a Proxy Network", (with J. Beurket, P. Malkin, W. Rubin, and G. Ziedins), US Patent 6,122,666, Sept. 19, 2000.

  34.        "A Computer System and Method for Load Balancing with Selective Control", (with D.M Dias and J.L. Wolf), US Patent 6,119,143, Sept, 12, 2000.

  35.        "Dynamic Customized Web Tours", (with N. Manohar, and M. Willebeck-LeMair), Japan Patent 3103070, Aug. 25, 2000. (Also issued as Patent NI-133683 in Taiwan, and Patent 324979 in Korea).

  36.        "An Apparatus and Method for Dynamic Meta-tagging of Compound Documents", (with B. Hailpern, P.K. Malkin, and R.J. Schloss), US Patent 6,094,657, July 25, 2000.

  37.        "Finding Collective Baskets and Inference Rules for Internet or Intranet Mining for Large Data Bases", (with C. Aggarwal), US Patent 6,094,645, July 25, 2000.

  38.        "On-line Mining of Quantitative Association Rules", (with C. Aggarwal), US Patent 6,092,064, July 18, 2000. (Also issued as Singapore Patent 72410).

  39.        "Fileserver Buffer Manager Based on File Access Operation Statistics", (with D. Sitaram and A. Dan), US Patent 6,088,767, July 11, 2000. (Also issued as Patent 3142101 in Japan.)

  40.        "Method and System for Dynamically Prefetching Information Via a Server Hierarchy", (with P. Malkin), US Patent 6,085,193, July 4, 2000.

  41.        "Method and Apparatus for Interval Based Load Balancing", US Patent 6,078,943, June 20, 2000. (Also Issued as Patent 3124955 in Japan, Patent 295004 in Korea and Patent 2323458 in Britain.)

  42.        "Dynamic Push Filtering Based on Usage Information Exchanged among Nodes in a Proxy Hierarchy", (with B. Hailpern, P. Malkin, and B. Schloss), US Patent 6,065,058, May 16, 2000. (Also Issued as Patent 2893019 in Japan and Patent 283453 in Korea.)

  43.        "System and Method of Multiparty Billing for Web Access”, (with J.P. Crosskey, P. Mei, H. Ragavan, and K-L. Wu), US Patent 6,035,281, March 7, 2000. (Also issued as Patent NI-115292 in Taiwan, Patent 297634 in Korea and Patent 3224776 in Japan.)

  44.        "System and Method for Caching Objects of Non-Uniform Size Using Multiple LRU Stacks Partitions into A Range of Sizes", (with C.C. Aggarwal, M.A. Epelman, and J.L. Wolf), US Patent 6,012,126, Jan. 4, 2000.

  45.        "Eliminating Redundancy in Generation of Association Rules for On-line Mining", (with C. Aggarwal), US Patent 5,943,667, Aug. 24, 1999.

  46.        "Adaptive Similarity Searching in Sequence Databases", (with C.S. Li, and V. Castelli), US Patent 5,940,825, Aug. 17, 1999.

  47.        "Method and Apparatus for Reconfigurable and Adaptive Stream Multicast", (with P.K. Malkin, and M. Willebeck-LeMair), US Patent 5,940,391, Aug. 17, 1999.

  48.        "Traversal Path-based Approach to Understanding User-Oriented Hypertext Object Usage", (with K.L. Wu), US Patent 5,931,912, Aug. 3, 1999.

  49.        "Collaborative Caching of a Requested Object by a Lower Level Node as a Function of the Caching Status of the Object at A Higher Level Node", (with C. Aggarwal, P. Malkin, and R. Schloss), US Patent 5,924,116, July 13, 1999.

  50.        "On-line Mining of Association Rules", (with C. Aggarwal), US Patent 5,920,855, July 6, 1999.

  51.        "Method for Mining Causality Rules with Applications to Electronic Commerce", (with B. Liang and M-S. Chen), US Patent 5,832,482, Nov. 3, 1998.

  52.        "Progressive Method and System for CPU and I/O Cost Reduction for Mining Association Rules", (with M-S. Chen), US Patent 5,813,003, Sept. 22, 1998.

  53.        "System for Load Balancing by Replicating Portion of File While Being Read by First Stream onto Second drive and Reading Portion with Stream Capable of Accessing", (with A. Dan, D. Sitaram and M. Kienzle), US Patent 5,802,301, Sept. 1, 1998.

  54.        "Apparatus and Method for Performing Adaptive Similarity Searching in a Sequence Database", (with C.S. Li and V. Castelli), US Patent 5,799,301, Aug. 25, 1998.

  55.        "System and method for Construction of a Data Structure for Indexing Multidimension Objects", (with C.C. Aggarwal and J.L. Wolf), US Patent 5,781,906, July 14, 1998.

  56.        "Method and Apparatus of Content-based Downloading of Video Programs", (with M-S. Chen and C.S. Li), US Patent 5,767,893, June 16, 1998.

  57.        "Robust Method for Performing a Parallel Query in an Environment with Partial Sharing", (with J.L. Wolf and J.J. Turek), US Patent 5,765,146, June 9, 1998.

  58.        "Constructing Balanced Multidimensional Range-based Bitmap Indices",(with K.L. Wu), US Patent 5,761,652, June 2, 1998.

  59.        "Efficient Information Collection Method for Parallel Data Mining", (with M.-S. Chen), US Patent 5,758,147, May 26, 1998.

  60.        "Multimedia Server System Having Rate Adjustable Data Retrieval Based on Buffer Capacity", (with K.L. Wu), US Patent 5,758,076, May 26, 1998.

  61.        "Permutation Based Pyramid Block Transmission Scheme for Broadcasting in Video-on-Demand Storage Systems", (with C.C. Aggarwal and J.L. Wolf), US Patent 5,751,336, May 12, 1998. (Also issued as Patent 0230533 in Korea and Patent 3170461 in Japan.)  

  62.        "Database Mining Using Multi-predicate Classifiers", (with M-S. Chen), US Patent 5,727,199, March. 10,1998.

  63.        "Apparatus and Method for Adaptive Logical Partitioning of Workfile Disks for Concurrent Mergesorts", (with K.L. Wu), US Patent 5,671,405, Sept. 23, 1997.

  64.        "Method for Mining Path Traversal Patterns in a Web Environment by Converting an Original Log Sequence into a Set of Traversal Subsequences", (with M-S. Chen), US Patent 5,668,988, Sept. 16, 1997.

  65.        "Maximum Factor Selection Policy for Batching VOD Requests", (with C.C. Aggarwal and J.L. Wolf), US Patent 5,631,694, May 20, 1997. (Also issued as Patent 0232512 in Korea.)

  66.        "A Methodology for Increasing the Average Run Length Produced by Replacement Selection Strategy in a System Consisting of Multiple, Independent Memory Buffers", (with J.J. Turek), US Patent 5,579,514, Nov. 26 1996.

  67.        "Return Based Scheduling to Support Video-on-Demand Applications", US Patent 5,561,456, Oct. 1, 1996. (Also issued as Patent 696872 in Britain, France and Spain and Patent 69522768.8 in Germany.)

  68.        "HMC: A Hybrid Mirrored-and-Chained Data Replication Method to Support High Data Availability for Disk Arrays", (with M-S. Chen, H.I. Hsiao and C.S. Li), US Patent 5,559,764, Sept. 24, 1996. (Also issued as Patent 0231224 in Korea and Patent 3117390 in Japan.)

  69.        "Baton Passing Optimization Scheme for Load Balancing/Configuration Planning in a Video-on-Demand Computer System", (with J.L. Wolf and H. Shachnai), US Patent 5,544,313, Aug. 6, 1996. (Also issued as Patent 3305916 in Japan, Patent 0160,218 in Korea, Patent 2,145,164 in Canada and Patent 69509433.5 in Germany.)

  70.        "Frame Sampling Scheme for Video Scanning in a Video-on-Demand System", (with M-S. Chen and D.D. Kandlur), US Patent 5,521,630, May 28, 1996. (Also issued as Patent 69512818.3 in Germany, Patent 6,318 in Thailand, Patent 674,621 in Australia, Patent 676898 in Italy, UK, Switzerland and France, Patent 0188496 in Korea, Patent 2137390 in Spain, Patent 676898 in Belgium, Patent 0028234 in Singapore, Patent 2142801 in Canada and Patent 3177111 in Japan.)

  71.        "Disk Array System Having Special Parity Groups for Data Blocks with High Update Activity", (with K.L. Wu and A. Dan), US Patent 5,490,248, Feb. 6, 1996. (Also issued as Patent 2654346 in Japan.)

  72.        "Look-ahead Scheduling to Support Video-on-Demand Applications", (with J.L. Wolf), US Patent 5,461,415, Oct. 24, 1995. (Also issued as Patent 88895 in China, Patent NI-71386 in Taiwan, Patent 2742390 in Japan, Patent 0152486 in Korea, Patent 69503817.6 in Germany, Patent 24142795 in Canada, and Patent 673160 in France and UK.)

  73.        "Multiple Hash Tables Based on Access Frequency", (with M-S. Chen), US Patent 5,450,595, Sept. 12, 1995.

  74.        "Task Scheduler for a Multi-processor System", (with J.L. Wolf and J.J. Turek), US Patent 5,437,032, July 25, 1995.

  75.        "Hierarchical Scheduling Method for Processing Tasks Having Precedence Constraints on a Parallel Processing System", (with J.L. Wolf, J.J. Turek and M-S. Chen), US Patent 5,392,430, Feb. 21, 1995. (Also issued as Patent 2528612 in Japan.)

  76.        "Dynamic, Finite Versioning for Concurrent Transaction and Query   Processing", (with K.L. Wu and M-S. Chen), US Patent 5,287,496, Feb. 15, 1994. (Also issued as Patent 2125415 in Japan).

  77.        "Multilevel Locking System and Method", (with D.M. Dias and B.R. Iyer), US Patent 5,161,227, Nov. 3, 1992. (Also issued as Patent 69028373.3 in Germany and Patent 0428006 in UK.)

  78.        "Joining Two Database Relations on a Common Field in a Parallel Database", (with D.M. Dias and J.L. Wolf), US Patent 5,121,494, Jan. 9, 1992. (Also issued as Patent 2070459 in Japan, Patent 69030228.2 in Germany and Patent 0421408 in UK).

  79.        "Switching Protocol for Multiple Autonomous Switching Planes", (with G. Lebizay and Y.C. Lien), US Patent 4,706,150, Nov. 10, 1987. (Also issued as Patent 0169324 in UK, Patent 1757606 in Japan, Patent 3567781308 in Germany, and Patent 0169324 in France.)

  80.        "Effective Error Control Scheme For Satellite Communications", (with S. Lin), US Patent 4,344,171, Aug. 10, 1982. (Also issued as Patent 1157121 in Canada, Patent 1250167 in Japan, Patent 0054118 in France, Patent 3168185908 in Germany and Patent 005148 in UK.)