727 search results - page 36 / 146 » Improving Twitter Retrieval by Exploiting Structural Informa... |
KDD
2007
ACM
14 years 9 months ago
2007
ACM
Users attempt to express their search goals through web search queries. When a search goal has multiple components or aspects, documents that represent all the aspects are likely ...
KDD
2004
ACM
14 years 9 months ago
2004
ACM
We consider the problem of improving named entity recognition (NER) systems by using external dictionaries--more specifically, the problem of extending state-of-the-art NER system...
CIKM
1998
Springer
14 years 1 months ago
1998
Springer
In this paper, a signature file method for indexing document database systems is presented. For this purpose, the concept of presentative word hierarchy is introduced, based on whi...
MMM
2008
Springer
14 years 3 months ago
2008
Springer
Recently, for reusing large quantities of accumulated news video, technology for news topic searching and tracking has become necessary. Moreover, since we need to understand a cer...
TAL
2010
Springer
13 years 7 months ago
2010
Springer
Abstract. Geographic Information Retrieval (GIR) is a specialized Information Retrieval (IR) branch that deals with information related to geographical locations. Traditional IR en...