1
Don Coppersmith, Prabhakar Raghavan, Thomas G Zimmerman: System and method for near-field human-body coupling for encrypted communication with identification cards. International Business Machines Corporation, Khanh Q Tran, August 18, 1998: US05796827 (237 worldwide citation)

An apparatus and method are disclosed for encoding and transferring data from a transmitter to a receiver, using the human body as a transmission medium. The transmitter includes an electric field generator, a data encoder which operates by modulating the electric field, and electrodes to couple the ...


2
Randal Chilton Burns, Edward Gustav Chron, Darrell Long, Benjamin Clay Reed: Decentralized remotely encrypted file system. International Business Machines Corporation, Khanh Q Tran, Marc D McSwain, June 11, 2002: US06405315 (188 worldwide citation)

A decentralized file system based on a network of remotely encrypted storage devices is disclosed. The file system includes a network to which a network client, a secure remotely encrypted storage device, a key manager, and a lock manager are attached. The system organizes data as files and director ...


3
Randal Chilton Burns, Edward Gustav Chron, Darrell Long, Benjamin Clay Reed: Secure array of remotely encrypted storage devices. International Business Machines Corporation, Khanh Q Tran, August 3, 1999: US05931947 (186 worldwide citation)

A network storage device is disclosed for use in a secure array of such devices to support a distributed file system. Each device is an independent repository of remotely encrypted data objects to be accessed by authorized network clients. All encryption is done by the clients, rather than by the de ...


4
Edward Gustav Chron, Jaishankar Moothedath Menon: Method and system for providing consistent data modification information to clients in a storage system. International Business Machines Corporation, Khanh Q Tran, Mark C McCabe, October 4, 2005: US06952758 (178 worldwide citation)

A data storage system and method for providing consistent data to multiple clients based on data modification information as existing data is updated and new data is written to the system. The information indicates the modification status of each data block and identifies which data blocks have been ...


5
Jon Michael Kleinberg: Method and system for identifying authoritative information resources in an environment with content-based links between information resources. International Business Machines Corporation, Khanh Q Tran, August 29, 2000: US06112202 (139 worldwide citation)

A system and method are provided for searching for desired items from a network of information resources. In particular, the system and method have advantageous applicability to searching for World Wide Web pages having desired content. An initial set of pages are selected, preferably by running a c ...


6
Hui I Hsiao, Kiran Mehta, Inderpal Singh Narang: Method for database assisted file system restore. International Business Machines Corporation, Randy W Lacasse, Khanh Q Tran Esq, Lacasse & Associates, December 17, 2002: US06496944 (102 worldwide citation)

Recovery of a filesystem directory structure is performed to restore it to any point in time and also to synchronize a database restore and a filesystem restore to bring the two restores to a database consistent state. A database management system (DBMS) manages external files and hierarchical direc ...


7
Jon Michael Kleinberg, Prabhakar Raghavan: System and method for data mining from relational data by sieving through iterated relational reinforcement. International Business Machines Corporation, James C Pintner, Khanh Q Tran, March 16, 1999: US05884305 (92 worldwide citation)

A system and method are provided for performing the process known as "data mining" on a database of raw data records having common data elements, to obtain categorical cluster rules as to what elements of the data tend to occur in common in multiple records. Initial values are assigned to the elemen ...


8
Rakesh Agrawal, Ramakrishnan Srikant: Method and system for mining quantitative association rules in large relational tables. International Business Machines Corporation, Khanh Q Tran, James C Pintner, March 3, 1998: US05724573 (91 worldwide citation)

A method and apparatus are disclosed for mining quantitative association rules from a relational table of records. The method comprises the steps of: partitioning the values of selected quantitative attributes into intervals, combining adjacent attribute values and intervals into ranges, generating ...


9
Charles Edwin Cox, James Lee Hafner, Martin Aureliano Hassner, Ralph Koetter, Arvind Motibhai Patel: Method and apparatus for updating cyclic redundancy check information for data storage. International Business Machines Corporation, Khanh Q Tran, Morgan & Finnegan, September 3, 2002: US06446234 (86 worldwide citation)

A method and apparatus for ensuring the integrity of data that can detect errors that remain when the data correction scheme fails to correct at least some of the errors, or has added additional errors. Reed-Solomon check symbols are used for error correction and cyclic redundancy check symbols are ...


10
Rakesh Agrawal, Ching Tien Ho, Ramakrishnan Srikant: Method and system for performing range-sum queries on a data cube. International Business Machines Corporations, Khanh Q Tran, August 25, 1998: US05799300 (74 worldwide citation)

A method for performing a range-sum query in a database, in which the data is represented as a multi-dimensional data cube, is disclosed. The method comprises the steps of: selecting a subset of the dimensions of the data cube; computing a set of prefix-sums along the selected dimensions, based on t ...



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