1
Peter L Pirolli, James E Pitkow: Prefetching and caching documents according to probability ranked need S list. Xerox Corporation, August 1, 2000: US06098064 (259 worldwide citation)

A method is presented for determining whether to prefetch and cache documents on a computer. In one embodiment, documents are prefetched and cached on a client computer from servers located on the Internet in accordance with their computed need probability. Those document with a higher need probabil ...


2
Hinrich Schuetze, James E Pitkow, Peter L Pirolli, Ed H Chi, Jun Li: System and method for providing recommendations based on multi-modal user clusters. Xerox Corporation, May 20, 2003: US06567797 (250 worldwide citation)

A system and method for browsing, retrieving, and recommending information from a collection uses multi-modal features of the documents in the collection, as well as an analysis of users' prior browsing and retrieval behavior. The system and method are premised on various disclosed methods for ...


3
Hinrich Schuetze, Peter L Pirolli, James E Pitkow, Ed H Chi, Jun Li: System and method for clustering data objects in a collection. Xerox Corporation, July 22, 2003: US06598054 (241 worldwide citation)

A system and method for browsing, retrieving, and recommending information from a collection uses multi-modal features of the documents in the collection, as well as an analysis of users' prior browsing and retrieval behavior. The system and method are premised on various disclosed methods for ...


4
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 ...


5
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 ...


6
Peter L Pirolli, James E Pitkow, Bernardo A Huberman: System for ranking search results from a collection of documents using spreading activation techniques. Xerox Corporation, Richard B Domingo, August 7, 2001: US06272507 (168 worldwide citation)

A system and method for ranking the results of a search on a collection of linked documents. Documents found on the Web are typically referred to as Web pages. The system utilizes various information relating to the collection of linked documents, including the topology, content and historical usage ...


7
Mark J Stefik, Lichan Hong, Stuart K Card, Peter L Pirolli: System and method for providing a topic-directed search. Palo Alto Research Center Incorporated, Patrick J S Inouye, August 30, 2011: US08010545 (143 worldwide citation)

A system and method for providing a topic-directed search is provided, which advantageously harnesses user-provided topical indexes and an ability to characterize indexes according to how articles fall under their topical organizations. A corpus of articles and an index that includes topics from the ...


8
Hinrich Schuetze, Francine R Chen, Peter L Pirolli, James E Pitkow, Ed H Chi, Jun Li, Ullas Gargi: System and method for quantitatively representing data objects in vector space. Xerox Corporation, July 26, 2005: US06922699 (141 worldwide citation)

A system and method for browsing, retrieving, and recommending information from a collection uses multi-modal features of the documents in the collection, as well as an analysis of users' prior browsing and retrieval behavior. The system and method are premised on various disclosed methods for quant ...


9
James E Pitkow, Peter L Pirolli, Jock D Mackinlay, Stuart K Card: Method and apparatus for clustering a collection of linked documents using co-citation analysis. Xerox Corporation, Richard B Dominko, March 14, 2000: US06038574 (123 worldwide citation)

The method and apparatus of the present invention generates clusters of documents in a collection of linked documents based on co-citation analysis. The frequency linkage is determined for each document in the collection. In other words, the number of times each document is linked to by another docu ...


10
Bernardo A Huberman, James E Pitkow, Peter L Pirolli: Method and apparatus for predicting document access in a collection of linked documents featuring link proprabilities and spreading activation. Xerox Corporation, September 5, 2000: US06115718 (99 worldwide citation)

A method and apparatus for predicting document access within a collection of linked documents. The present invention utilizes a predictive technique known as "spreading activation" where document collections are graphically represented as a network. Empirical data is analyzed according to a law of s ...