3251 search results - page 635 / 651 » Challenges in Web Information Retrieval |
IR
2007
13 years 8 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
13 years 8 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...
SIGMOD
2010
ACM
13 years 3 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...
CVPR
2009
IEEE
15 years 3 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
14 years 9 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...