507 search results - page 20 / 102 » Portfolio theory of information retrieval |
TREC
2003
14 years 11 months ago
2003
Our aim of participating in this year’s High Accuracy Retrieval from Documents (HARD) track is to explore the possibility of developing an automated HARD retrieval model by leve...
SCIE
1997
Springer
15 years 1 months ago
1997
Springer
Abstract. The task of information extraction can be seen as a problem of semantic matching between a user-defined template and a piece of information written in natural language. T...
SIGIR
2005
ACM
15 years 3 months ago
2005
ACM
When investigating alternative estimates for term discriminativeness, we discovered that relevance information and idf are much closer related than formulated in classical literat...
MM
2010
ACM
14 years 9 months ago
2010
ACM
Searching for small objects (e.g., logos) in images is a critical yet challenging problem. It becomes more difficult when target objects differ significantly from the query object...
SIGIR
2004
ACM
15 years 3 months ago
2004
ACM
In this paper, we introduce an information theoretic method for estimating the usefulness of the hyperlink structure induced from the set of retrieved documents. We evaluate the e...