3251 search results - page 635 / 651 » Challenges in Web Information Retrieval |
IR
2007
14 years 10 months ago
2007
Word form normalization through lemmatization or stemming is a standard procedure in information retrieval because morphological variation needs to be accounted for and several la...
BMCBI
2004
14 years 10 months ago
2004
Background: Research involving expressed sequence tags (ESTs) is intricately coupled to the existence of large, well-annotated sequence repositories. Comparatively complete and sa...
112
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SIGMOD
2010
ACM
14 years 5 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...
179
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CVPR
2009
IEEE
16 years 5 months ago
2009
IEEE
In this paper, we present a systematic framework for re-cognizing realistic actions from videos “in the wild.” Such unconstrained videos are abundant in personal collections as...
WWW
2009
ACM
15 years 11 months ago
2009
ACM
Automatic folksonomy construction from tags has attracted much attention recently. However, inferring hierarchical relations between concepts from tags has a drawback in that it i...