3251 search results - page 371 / 651 » Challenges in Web Information Retrieval |
147
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SAC
2010
ACM
15 years 11 months ago
2010
ACM
CAPTCHAs protect online resources and services from automated access. From an attacker’s point of view, they are typically perceived as an annoyance that prevents the mass creat...
122
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AAAI
2008
15 years 6 months ago
2008
Search engines present fix-length passages from documents ranked by relevance against the query. In this paper, we present and compare novel, language-model based methods for extr...
124
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CVPR
2006
IEEE
16 years 6 months ago
2006
IEEE
We demonstrate a method for identifying images containing categories of animals. The images we classify depict animals in a wide range of aspects, configurations and appearances. ...
146
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WWW
2009
ACM
16 years 5 months ago
2009
ACM
Loose coupling is often quoted as a desirable property of systems architectures. One of the main goals of building systems using Web technologies is to achieve loose coupling. How...
114
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WWW
2005
ACM
16 years 5 months ago
2005
ACM
We describe a framework of bootstrapped hypothesis testing for estimating the confidence in one web search engine outperforming another over any randomly sampled query set of a gi...