Number | Date | Country | Kind |
---|---|---|---|
9-148519 | May 1997 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
5826253 | Brendenberg | Oct 1998 | |
5873118 | Letwin | Oct 1998 |
Entry |
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M. Ohkubo et al., "Extracting the Trends of Information Demands by Analyzing a WWW Search Log", Information Processing Society of Japan SIG Notes 97-DD-7, May 1997. |
M. Ohkubo et al., "Extracting Information Needs by WWW Search Log Analysis", 55.sup.th National conference of Information Processing Society of Japan, 2AC-5, Sep. 1997. |