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WWW
2009
ACM
14 years 11 months ago
Online expansion of rare queries for sponsored search
Sponsored search systems are tasked with matching queries to relevant advertisements. The current state-of-the-art matching algorithms expand the user's query using a variety...
Andrei Z. Broder, Peter Ciccolo, Evgeniy Gabrilovi...
WWW
2009
ACM
14 years 11 months ago
Mining multilingual topics from wikipedia
In this paper, we try to leverage a large-scale and multilingual knowledge base, Wikipedia, to help effectively analyze and organize Web information written in different languages...
Xiaochuan Ni, Jian-Tao Sun, Jian Hu, Zheng Chen
WWW
2008
ACM
14 years 11 months ago
Cm-pmi: improved web-based association measure with contextual label matching
WebPMI is a popular web-based association measure to evaluate the semantic similarity between two queries (i.e. words or entities) by leveraging search results returned by search ...
Xiaojun Wan
WWW
2008
ACM
14 years 11 months ago
Ranking refinement and its application to information retrieval
We consider the problem of ranking refinement, i.e., to improve the accuracy of an existing ranking function with a small set of labeled instances. We are, particularly, intereste...
Rong Jin, Hamed Valizadegan, Hang Li
WWW
2008
ACM
14 years 11 months ago
Generating diverse and representative image search results for landmarks
Can we leverage the community-contributed collections of rich media on the web to automatically generate representative and diverse views of the world's landmarks? We use a c...
Lyndon S. Kennedy, Mor Naaman