| http://www.w3.org/ns/prov#value | - In this embodiment, in each request for an electronic document, the client computer 115 provides to the server computer 110 a list of the keywords that were used by the user 102 when the user 102 searched for the source data object via one of the IR systems 208A???208M. For example, assuming that the request is an HTML request, which was prepared in response to a user 102 selecting a ???hit??? tha
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