Patent ID: 7792870
Filing Date: 2010-09-07
Classification: G06F,Y10S

Abstract:
1. A computer-implemented method of tagging documents comprising: maintaining, on a storage medium, data that establishes associations between documents that belong to a corpus of documents, and geographic location information; identifying documents, within the corpus, that contain authoritative geographic location information, such documents being addressed documents; updating the data to cause the data to reflect an association between each addressed document and the authoritative geographic location information contained in the addressed document; identifying groups of documents, wherein at least one identified group of documents includes at least one addressed document and at least one unaddressed document, the at least one unaddressed document being a document that contains either no authoritative geographic location information or unauthoritative geographic location information; for at least one unaddressed document in the at least one identified group, establishing the at least one unaddressed document as a propagated-addressed document by updating said data: using the authoritative geographic location information to determine local customs or time zones, wherein the location-specific processing takes into account said local customs or time zones, wherein the confidence level is based at least in part on the link structure among the at least one unaddressed document and the group of documents, wherein geographic location information is obtained by processing the displayed and untagged text, wherein the authoritative geographic location information is associated with a proprietor of both the addressed documents and the propagated-addressed documents, and wherein the method is performed by one or more computing devices.