4645 search results - page 597 / 929 » Using Information Extraction to Improve Document Retrieval |
169
click to vote
TKDE
2008
15 years 6 months ago
2008
Linear Discriminant Analysis (LDA) has been a popular method for extracting features that preserves class separability. The projection functions of LDA are commonly obtained by max...
147
click to vote
SEMWEB
2007
Springer
16 years 25 days ago
2007
Springer
Abstract. There is a growing discrepancy between the creation of digital content and its actual employment and usefulness in a learning society. Technologies for recording lectures...
175
click to vote
ISICT
2003
15 years 8 months ago
2003
In this paper we study the influence of semantics in the information retrieval preprocessing. We concretely compare the reached performance with stemming and semantic lemmatizatio...
160
click to vote
AIRS
2009
Springer
16 years 1 months ago
2009
Springer
Relevance-based language models operate by estimating the probabilities of observing words in documents relevant (or pseudo relevant) to a topic. However, these models assume that ...
188
click to vote
PRL
2008
15 years 6 months ago
2008
In recent years, relevance feedback has been studied extensively as a way to improve performance of content-based image retrieval (CBIR). Since users are usually unwilling to prov...