Authoritative sources in a hyperlinked environment
Proceedings of the ninth annual ACM-SIAM symposium on Discrete algorithms
Optimizing web search using social annotations
Proceedings of the 16th international conference on World Wide Web
S-BITS: Social-Bookmarking Induced Topic Search
WAIM '08 Proceedings of the 2008 The Ninth International Conference on Web-Age Information Management
Towards improving web search by utilizing social bookmarks
ICWE'07 Proceedings of the 7th international conference on Web engineering
Trend detection in folksonomies
SAMT'06 Proceedings of the First international conference on Semantic and Digital Media Technologies
Sopra: a new social personalized ranking function for improving web search
Proceedings of the 36th international ACM SIGIR conference on Research and development in information retrieval
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Recently, Social Bookmark, which allows us to register and share our own bookmarks on the web, is attracting attention. Social Bookmark makes it possible to retrieve structured data such as (URL, Username, Timestamp, Set of tags). More importantly, the retrieved data represents user interests. There are two aspects of bookmark usage: data for reuse and data for hot issues. This paper, focusing on timestamps of bookmarks, proposes a way to measure the freshness of a web page. It further proposes a page evaluation method that improves S-BITS, our previously proposed method to evaluate informativeness of web pages using social bookmarks, using the freshness evaluation. Finally, it demonstrates the effectiveness of the proposed method through experiments.