1
Viswanath Poosala: Auctioning of message delivery opportunities in a location-based services system. Alcatel Lucent, Ryan Mason & Lewis, December 22, 2009: US07636574 (185 worldwide citation)

Location-based services are provided in a communication system comprising at least a portion of at least one wireless network. In one aspect of the invention, one or more interested parties are permitted to bid on available opportunities for delivery of messages to mobile user devices, and delivery ...


2
Vinod Anupam, Suryanarayan Perinkulam, Chitra A Phadke, Viswanath Poosala: Provision of location-based services utilizing user movement statistics. Alcatel Lucent USA, Ryan Mason & Lewis, July 13, 2010: US07756534 (175 worldwide citation)

Location-based services are provided in a communication system comprising at least a portion of at least one wireless network. One aspect of the invention relates to generation of user movement statistics that may be utilized to facilitate the development of targeted marketing campaigns or other typ ...


3
Swarup Acharya, Henry F Korth, Viswanath Poosala: Computer implemented method and apparatus for fulfilling a request for information content with a user-selectable version of a file containing that information content. Lucent Technologies, November 30, 2004: US06826593 (73 worldwide citation)

A method of fulfilling a request for information content with a user-selectable version of a file containing that information content. Selection of a hyperlink to information content results in generation of a menu of versions of files containing that information content. The menu displays options f ...


4
Swarup Acharya, Phillip B Gibbons, Viswanath Poosala: Approximate querying method for databases with multiple grouping attributes. Lucent Technologies, Synnestvedt & Lechner, February 11, 2003: US06519604 (71 worldwide citation)

An approximate querying method comprising grouping tuples within a database according to grouping attributes, determining how many tuples are needed to represent each group, selecting the tuples from a corresponding group to create a database sample, and querying the database sample. The database sa ...


5
Viswanath Poosala, Venkatesh Ganti: Method, apparatus and programmed medium for approximating the data cube and obtaining approximate answers to queries in relational databases. Lucent Technologies, Dickstein Shapiro Morin & Oshinsky, August 22, 2000: US06108647 (62 worldwide citation)

A novel and unique method of approximating the data cube and summarizing database data in order to provide quick and approximate answers to aggregate queries by precomputing a summary of the data cube using histograms and answering queries using the substantially smaller summary. A unique method acc ...


6
Yannis E Ioannidis, Viswanath Poosala: Histogram-based approximation of set-valued query-answers. Lucent Technologies, Morgan & Finnegan, January 14, 2003: US06507840 (49 worldwide citation)

A method for generating an approximate answer in response to a query to a database in which an SQL query Q for operating on a relation R in a database is received. Relation R has an associated histogram H. The SQL query Q is translated to be a query Q′ for operating on histogram H. Translated query ...


7
Swarup Acharya, Phillip B Gibbons, Viswanath Poosala: Method and system for generating a statistical summary of a database using a join synopsis. Lucent Technologies, Morgan & Finnegan, November 5, 2002: US06477534 (44 worldwide citation)

A method for generating an approximate answer to a query in a database environment in which the database has a plurality of base relations. A query relating to a database is received, and an approximate answer to the query is generated such that the approximate answer is based on at least one join s ...


8
Phillip B Gibbons, Yossi Matias, Viswanath Poosala, Andrew Witkowski: Incremental maintenance of an approximate histogram in a database system. Lucent Technologies, NCR Corporation, February 9, 1999: US05870752 (39 worldwide citation)

Techniques for maintaining an approximate histogram of a relation in a database, in the presence of updates to the relation. The histogram includes a number of subsets, or "buckets," each representing at least one possible value of an attribute of the relation. Each of the subsets has a count associ ...


9
Phillip B Gibbons, Yossi Matias, Viswanath Poosala: Maintaining a random sample of a relation in a database in the presence of updates to the relation. Lucent Technologies, January 4, 2000: US06012064 (24 worldwide citation)

Techniques for maintaining a random sample of a relation in a database in the presence of updates to the relation. The random sample of the relation is referred to as a "backing sample," and it is maintained in the presence of insert, modify and delete operations involving the relation. When a new t ...


10
Mansoor Ali Khan Alicherry, Harsha S Nagesh, Chitra A Phadke, Viswanath Poosala: Constraint-based design of optical transmission systems. Alcatel Lucent USA, Ryan Mason & Lewis, April 6, 2010: US07693422 (21 worldwide citation)

Techniques are disclosed for designing optical transmission systems that efficiently compute cost-optimal configurations under one or more constraints. For example, in one aspect of the present invention, a technique for designing an optical transmission system comprises the following steps/operatio ...