2536 search results - page 48 / 508 » Gravitation-based model for information retrieval |
WWW
2007
ACM
14 years 9 months ago
2007
ACM
A number of existing information retrieval systems propose the notion of query context to combine the knowledge of query and user into retrieval to reveal the most exact descripti...
VISUAL
1999
Springer
14 years 1 months ago
1999
Springer
In this paper we propose a new General Image DataBase (GIDB) model. The model establishes taxonomy based on the systematisation of existing approaches. The GIDB model is based on t...
HT
2009
ACM
13 years 6 months ago
2009
ACM
In this paper we describe a model of social and collaborative search based on the use of tags. First we will introduce the issues that drove us to the definition of this model, an...
CIKM
2010
Springer
13 years 7 months ago
2010
Springer
Pseudo-relevance feedback (PRF) improves search quality by expanding the query using terms from high-ranking documents from an initial retrieval. Although PRF can often result in ...
SIGIR
2011
ACM
12 years 12 months ago
2011
ACM
Using relevance feedback can significantly improve (ad hoc) retrieval effectiveness. Yet, if little feedback is available, effectively exploiting it is a challenge. To that end,...