1
Charu Chandra Aggarwal, Stephen C Gates, Philip Shi Lung Yu: System and method for generating taxonomies with applications to content-based recommendations. International Business Machines Corporation, F Chau & Associates, March 19, 2002: US06360227 (208 worldwide citation)

A graph taxonomy of information which is represented by a plurality of vectors is generated. The graph taxonomy includes a plurality of nodes and a plurality of edges. The plurality of nodes is generated, and each node of the plurality of nodes is associated with ones of the plurality of vectors. A ...


2
Charu Chandra Aggarwal, Joel Leonard Wolf, Philip Shi Lung Yu: Permutation based pyramid block transmission scheme for broadcasting in video-on-demand storage systems. International Business Machines Corporation, Richard M Ludwin, Louis P Herzberg, May 12, 1998: US05751336 (195 worldwide citation)

Portions of multimedia program (presentation) are repetitively broadcast to receiving stations with subsequent portions being broadcast less frequently than preceding portions. Blocks of at least one of the portions are broadcast in varying permutations from one repetition to a next repetition. Furt ...


3
Charu Chandra Aggarwal, Joel Leonard Wolf, Philip Shi lung Yu: System and method for construction of a data structure for indexing multidimensional objects. International Business Machines Corporation, Heslin & Rothenberg P C, July 14, 1998: US05781906 (188 worldwide citation)

An apparatus and a method for constructing a multidimensional index tree which minimizes the time to access data objects and is resilient to the skewness of the data. This is achieved through successive partitioning of all given data objects by considering one level at a time starting with one parti ...


4
Charu Chandra Aggarwal, Joel Leonard Wolf, Philip Shi lung Yu: Method for targeted advertising on the web based on accumulated self-learning data, clustering users and semantic node graph techniques. International Business Machines Corporation, F Chau & Associates, March 30, 2004: US06714975 (145 worldwide citation)

A method for dynamically placing objects in slots on a web page in response to a current client request for the web page comprises the steps of classifying users into user groups based one or more user-characteristics, accumulating self-learning data based on user click behavior for each user group, ...


5
Charu Chandra Aggarwal, Philip Shi Lung Yoo: Methods for performing large scale auctions and online negotiations. International Business Machines Corporation, David M Shofi Esq, Scully Soctt Murphy & Presser, November 21, 2000: US06151589 (130 worldwide citation)

A method for performing continuous auctions over a computer network system consisting of a server/seller and multiple clients/buyers. The seller makes information about the type of sale items, the number of sale items, minimum bid price, time limits for bids to be submitted, and estimated time inter ...


6
Charu Chandra Aggarwal, Peter Kenneth Malkin, Robert Jeffrey Schloss, Philip Shi lung Yu: 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. International Business Machines Corporation, Kevin M Jordan, July 13, 1999: US05924116 (121 worldwide citation)

A method and system of collaboratively caching information to allow improved caching decisions by a lower level or sibling node. In a caching hierarchy, the client and/or servers may factor in the caching status at the higher level in deciding whether to cache an object and which objects are to be r ...


7
Charu Chandra Aggarwal, Joel Leonard Wolf, Philip Shi Lung Yu: System and method for collaborative filtering with applications to e-commerce. International Business Machines Corporation, F Chau & Associates, November 26, 2002: US06487541 (89 worldwide citation)

A rating of a plurality of ratings is predicted. The rating is associated with a user of a plurality of users and the rating corresponds to an item of a plurality of items. One of the plurality of ratings, corresponding to at least one of the plurality of items, is provided for each of the plurality ...


8
Charu Chandra Aggarwal, Brent Tzion Hailpern, Joel Leonard Wolf, Philip Shi Lung Yu: System and method for similarity searching in high-dimensional data space. International Business Machines Corporation, September 11, 2001: US06289354 (79 worldwide citation)

Information is analyzed in the form of a plurality of data values that represent a plurality of objects. A set of features that characterize each object of the plurality of objects is identified. The plurality of data values are stored in a database. Each data value corresponds to at least one of th ...


9
Charu Chandra Aggarwal, Joel Leonard Wolf, Philip Shi Lung Yu: System and method for searching databases with applications such as peer groups, collaborative filtering, and e-commerce. International Business Machines Corporation, F Chau & Associates, May 22, 2001: US06236985 (47 worldwide citation)

A method of analyzing information in the form of a plurality of data records. Each data record includes one or more data values. The data values are partitioned into a plurality of data signatures. Data values of data signatures are compared to data values of data records. Based on the result of the ...


10
Charu Chandra Aggarwal, Philip Shi Lung Yu: On-line mining of quantitative association rules. International Business Machines Corporation, Kevin M Jordan Esq, Scully Scott Murphy & Presser, July 18, 2000: US06092064 (42 worldwide citation)

A computer method of online mining of quantitative association rules consisting of two stages, a preprocessing stage followed by an online rule generation stage. The required computational effort is reduced by the pre-processing stage, defined by pre-processing data to organize the relationship betw ...