243 search results - page 39 / 49 » Document Expansion for Speech Retrieval |
77
Voted
WWW
2001
ACM
15 years 10 months ago
2001
ACM
We introduce a method for learning query transformations that improves the ability to retrieve answers to questions from an information retrieval system. During the training stage...
65
Voted
CIKM
2008
Springer
14 years 11 months ago
2008
Springer
In this paper, we investigate the problem of improving the relevance of a Web search engine by adapting it to the dynamic needs of the user. We examine a representative case of su...
SIGKDD
2010
14 years 4 months ago
2010
The aim of latent semantic indexing (LSI) is to uncover the relationships between terms, hidden concepts, and documents. LSI uses the matrix factorization technique known as singu...
87
Voted
IUI
2006
ACM
15 years 3 months ago
2006
ACM
Question answering (QA) systems take users’ natural language questions and retrieve relevant answers from large repositories of free texts. Despite recent progress in QA researc...
KDD
2000
ACM
15 years 1 months ago
2000
ACM
To improve the accuracy in terms of precision and recall of an audio information retrieval system we have created a domainspecific ontology (a collection of key concepts and their...