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ACM Transactions on the Web (TWEB), Volume 2 Issue 4, October 2008

Introduction to special issue on query log analysis: Technology and ethics
Einat Amitay, Andrei Broder
Article No.: 18
DOI: 10.1145/1409220.1409221

A survey of query log privacy-enhancing techniques from a policy perspective
Alissa Cooper
Article No.: 19
DOI: 10.1145/1409220.1409222

As popular search engines face the sometimes conflicting interests of protecting privacy while retaining query logs for a variety of uses, numerous technical measures have been suggested to both enhance privacy and preserve at least a portion of...

Design trade-offs for search engine caching
Ricardo Baeza-Yates, Aristides Gionis, Flavio P. Junqueira, Vanessa Murdock, Vassilis Plachouras, Fabrizio Silvestri
Article No.: 20
DOI: 10.1145/1409220.1409223

In this article we study the trade-offs in designing efficient caching systems for Web search engines. We explore the impact of different approaches, such as static vs. dynamic caching, and caching query results vs. caching posting lists. Using a...

Learning about the world through long-term query logs
Matthew Richardson
Article No.: 21
DOI: 10.1145/1409220.1409224

In this article, we demonstrate the value of long-term query logs. Most work on query logs to date considers only short-term (within-session) query information. In contrast, we show that long-term query logs can be used to learn about the world we...

Combating spam in tagging systems: An evaluation
Georgia Koutrika, Frans Adjie Effendi, Zolt´n Gyöngyi, Paul Heymann, Hector Garcia-Molina
Article No.: 22
DOI: 10.1145/1409220.1409225

Tagging systems allow users to interactively annotate a pool of shared resources using descriptive strings called tags. Tags are used to guide users to interesting resources and help them build communities that share their expertise and...