1
Eric A Hoppe, Ramana B Rao, Jock Mackinlay: Method and apparatus for concurrent graphical visualization of a database search and its search history. Xerox Corporation, Richard B Domingo, May 7, 1996: US05515488 (304 worldwide citation)

A computer controlled display system providing for graphical representation of a query to a database and creation and traversal through a search history. A database search is typically performed by a sequence of narrowing queries. Each narrowing query is performed in a query window. A query window i ...


2
Peter L Pirolli, James E Pitkow, Ramana B Rao: System for categorizing documents in a linked collection of documents. Xerox Corporation, Richard B Domingo, April 20, 1999: US05895470 (233 worldwide citation)

A system for extracting and analyzing information from a collection of linked documents at a locality to enable categorization of documents and prediction of documents relevant to a focus document. The system obtains and analyzes topology, usage and path information from for a collection at a locali ...


3
Peter L Pirolli, James E Pitkow, Ramana B Rao: System for predicting documents relevant to focus documents by spreading activation through network representations of a linked collection of documents. Xerox Corporation, Richard B Domineo, November 10, 1998: US05835905 (191 worldwide citation)

A system for extracting and analyzing information from a collection of linked documents at a locality to enable categorization of documents and prediction of documents relevant to a focus document. The system obtains and analyzes topology, usage and path information from for a collection at a locali ...


4
John O Lamping, Ramana B Rao: Displaying node-link structure with region of greater spacings and peripheral branches. Xerox Corporation, April 8, 1997: US05619632 (166 worldwide citation)

Node-link data defining a node-link structure are used to present a sequence of representations on a display. The last representation in the sequence is perceptible as a changed continuation of the first. Each representation includes bounded node features, each with a center of area and a nearest no ...


5
Ramana B Rao, Stuart K Card: Method and system for producing a table image showing indirect data representations. Xerox Corporation, Judith C Bares, May 20, 1997: US05632009 (154 worldwide citation)

A method for operating a processor-controlled system produces a table image including graphical display objects in each of the cell regions indirectly representing the data values in an underlying n-dimensional (nD) information data array. Request signal data is received from a input signal source t ...


6
Leigh L Klotz Jr, Ramana B Rao, Walter A L Johnson, M Margaret Withgott: System for representing electronic files using a paper based medium. Xerox Corporation, October 28, 1997: US05682540 (148 worldwide citation)

The present invention involves a novel form and methods for creating and using such forms. These forms are summaries (hereinafter "document surrogates") of associated objects, such as original documents, processes, or their copies, stored in a document processing system. A document surrogate made in ...


7
Ramana B Rao: Information retrieval system providing secondary content analysis on collections of information objects. Xerox Corporation, Richard B Domingo, June 17, 2003: US06581056 (125 worldwide citation)

An information retrieval system having a secondary content analysis engine for use on collections of documents. Such collections of documents dynamically arise as a result of queries one or more, possibly distal, information sources. The secondary content analysis engine resides on an Information Ac ...


8
Ramana B Rao, Tichomir G Tenev, Stuart K Card: Interactive interface for visualizing and manipulating multi-dimensional data. InXight Software, Warren S Wolfeld, Haynes Beffel & WolfeId, September 30, 2003: US06628312 (97 worldwide citation)

A software visualization tool consistent with the present invention integrates OLAP functionality with focus+context based techniques for navigation through and inspection of large multidimensional datasets. Focus+context based navigation techniques are used to increase the clarity and inf ...


9
Ramana B Rao, Stuart K Card: Spreadsheet image showing data items as indirect graphical representations. Xerox Corporation, March 9, 1999: US05880742 (87 worldwide citation)

An improvement to a spreadsheet application program executed in a processor-controlled machine displays a first spreadsheet image showing a plurality of cell regions each of which shows a direct, symbolic representation of a source data value of a source data item in an n-dimensional (nD) informatio ...


10
Ramana B Rao, Stuart K Card: Method and system for producing a table image having focus and context regions. Xerox Corporation, July 4, 2000: US06085202 (80 worldwide citation)

A method is disclosed for operating a processor-controlled system to produce a table image including graphical display objects in each of the cell regions indirectly representing the data values in an underlying n-dimensional (nD) information data array. Request signal data is received from a input ...