790 search results - page 5 / 158 » A syntactically-based query reformulation technique for info... |
DLOG
2010
13 years 5 months ago
2010
We develop a query algebra that supports efficient assertion retrieval--a natural extension of instance retrieval. The algebra is based on previously developed techniques for index...
MMDB
2003
ACM
14 years 19 days ago
2003
ACM
Conventional approaches to image retrieval are based on the assumption that relevant images are physically near the query image in some feature space. This is the basis of the clu...
CIVR
2007
Springer
14 years 1 months ago
2007
Springer
This paper describes the technical details of SemRetriev, a prototype system for image retrieval which combines the use of an ontology which structures an image repository and of ...
KDD
2006
ACM
14 years 7 months ago
2006
ACM
We investigate three methods for defining a session on Web search engines. We examine 2,465,145 interactions from 534,507 Web searchers. We compare defining sessions using: 1) Int...
SIGIR
2009
ACM
14 years 1 months ago
2009
ACM
In this paper we examine user queries with respect to diversity: providing a mix of results across different interpretations. Using two query log analysis techniques (click entrop...