5954 search results - page 32 / 1191 » Querying Bi-level Information |
VLDB
1997
ACM
13 years 12 months ago
1997
ACM
Information integration systems have to cope with the different and limited query interfaces of the underlying information sources. First, the integration systems need description...
ECIR
2008
Springer
13 years 9 months ago
2008
Springer
Abstract. We investigate the potential of coherence-based scores to predict query difficulty. The coherence of a document set associated with each query word is used to capture the...
DL
1998
Springer
13 years 12 months ago
1998
Springer
Previous models of dynamic querying supported by query previews have focussed on attribute based querying, have required information providers to create preview tables, and have p...
SIGIR
2004
ACM
14 years 1 months ago
2004
ACM
It is crucial for cross-language information retrieval (CLIR) systems to deal with the translation of unknown queries1 due to that real queries might be short. The purpose of this...
CLEF
2009
Springer
13 years 5 months ago
2009
Springer
We introduce a new multimodal retrieval technique which combines query reformulation and visual image reranking in order to deal with results sparsity and imprecision, respectively...