1170 search results - page 65 / 234 » Retrieval effectiveness of an ontology-based model for infor... |
SIGMOD
2009
ACM
14 years 8 months ago
2009
ACM
We propose a language-model-based ranking approach for SPARQLlike queries on entity-relationship graphs. Our ranking model supports exact matching, approximate structure matching,...
ISTA
2007
13 years 9 months ago
2007
: Quality is a multidimensional concept that has different meanings in different contexts and perspectives. In the domain of Information system, quality is often understood as the ...
SIGIR
2006
ACM
14 years 1 months ago
2006
ACM
This paper presents a study of three statistical query translation models that use different units of translation. We begin with a review of a word-based translation model that us...
AIED
2007
Springer
14 years 2 months ago
2007
Springer
: This paper proposes the notion of problem templates (PTs), a concept based on theories of memory and expertise. These mental constructs allow experts to quickly recognise problem...
MM
2010
ACM
13 years 8 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...