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WWW
2009
ACM
16 years 4 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
16 years 4 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
16 years 4 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
16 years 4 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
16 years 4 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