An "Interest" Index for WWW Servers and CyberRanking

Takashi HATASHIMA  Toshihiro MOTODA  Shuichiro YAMAMOTO  

Publication
IEICE TRANSACTIONS on Information and Systems   Vol.E83-D    No.4    pp.729-734
Publication Date: 2000/04/25
Online ISSN: 
DOI: 
Print ISSN: 0916-8532
Type of Manuscript: Special Section PAPER (Special Issue on Knowledge-Based Software Engineering)
Category: Application
Keyword: 
access log analysis,  time based interest,  World Wide Web,  visualization,  

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Summary: 
We describe an index for estimating the level of interest in Web pages. This "time-based interest" (TBI) index combinates an equation reflecting page accesses and an equation reflecting the decrease in interest over time. These equations work simultaneously by using a parameter that is based on the time since the last access. We experimentally estimated the decrease ratio of the TBI index and evaluated the characteristics of the TBI equation. We found that the index follows Zipf's distribution, indicating that reflects the change in popularity. We also introduce an access-log analysis system called CyberRanking that includes TBI analysis. CyberRanking analyzes the access logs of Web servers and presents the results in 2-D or 3-D graph on a Web browser.


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