313 search results - page 34 / 63 » Learning Semantic Categories from Clickthrough Logs |
WWW
2009
ACM
15 years 6 months ago
2009
ACM
In this paper, we propose to model the blended search problem by assuming conditional dependencies among queries, VSEs and search results. The probability distributions of this mo...
AIRWEB
2008
Springer
15 years 1 months ago
2008
Springer
Combating Web spam has become one of the top challenges for Web search engines. State-of-the-art spam detection techniques are usually designed for specific known types of Web spa...
WSDM
2010
ACM
15 years 9 months ago
2010
ACM
We describe a machine learning approach for predicting sponsored search ad relevance. Our baseline model incorporates basic features of text overlap and we then extend the model t...
100
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KDD
2009
ACM
15 years 6 months ago
2009
ACM
In this paper, we present a technique for visual analysis of documents based on the semantic representation of text in the form of a directed graph, referred to as semantic graph....
130
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MM
2004
ACM
15 years 5 months ago
2004
ACM
We consider the problem of learning a mapping function from low-level feature space to high-level semantic space. Under the assumption that the data lie on a submanifold embedded ...