8349 search results - page 1667 / 1670 » Introduction to Information Retrieval |
SIGMOD
2010
ACM
13 years 4 months ago
2010
ACM
We propose and study a new ranking problem in versioned databases. Consider a database of versioned objects which have different valid instances along a history (e.g., documents i...
TMM
2010
13 years 4 months ago
2010
Abstract--Automatic video annotation is a challenging yet important problem for content-based video indexing and retrieval. In most existing works, annotation is formulated as a mu...
TSMC
2010
13 years 4 months ago
2010
We describe a cognitive architecture for creating more robust intelligent systems by executing hybrids of algorithms based on different computational formalisms. The architecture ...
ACL
2011
13 years 1 months ago
2011
We derive two variants of a semi-supervised model for fine-grained sentiment analysis. Both models leverage abundant natural supervision in the form of review ratings, as well as...
CHI
2011
ACM
13 years 1 months ago
2011
ACM
In this paper, we propose a system for helping users to judge the credibility of Web search results and to search for credible Web pages. Conventional Web search engines present o...