2877 search results - page 54 / 576 » Learn to weight terms in information retrieval using categor... |
SIGIR
2005
ACM
14 years 2 months ago
2005
ACM
We describe a method for predicting query difficulty in a precision-oriented web search task. Our approach uses visual features from retrieved surrogate document representations (...
SIGIR
2005
ACM
14 years 2 months ago
2005
ACM
The bottleneck for dictionary-based cross-language information retrieval is the lack of comprehensive dictionaries, in particular for many different languages. We here introduce a...
GIS
2009
ACM
14 years 3 months ago
2009
ACM
Gazetteers are key components of georeferenced information systems, including applications such as Web-based mapping services. Existing gazetteers lack the capabilities to fully i...
IIR
2010
13 years 10 months ago
2010
In this paper we exploit Semantic Vectors to develop an IR system. The idea is to use semantic spaces built on terms and documents to overcome the problem of word ambiguity. Word ...
WWW
2007
ACM
14 years 9 months ago
2007
ACM
Hierarchical models are commonly used to organize a Website's content. A Website's content structure can be represented by a topic hierarchy, a directed tree rooted at a...