11151 search results - page 12 / 2231 » On the Complexity of Model Expansion |
ICMCS
2006
IEEE
14 years 1 months ago
2006
IEEE
We present methods for improving text search retrieval of visual multimedia content by applying a set of visual models of semantic concepts from a lexicon of concepts deemed relev...
ICCV
2007
IEEE
14 years 1 months ago
2007
IEEE
Given a query image of an object, our objective is to retrieve all instances of that object in a large (1M+) image database. We adopt the bag-of-visual-words architecture which ha...
CIKM
2001
Springer
13 years 12 months ago
2001
Springer
In this paper we are mainly concerned with discussion of a formal model, based on the basic concept of divergence from information theory, for automatic query expansion. The basic...
CIKM
2010
Springer
13 years 6 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 ...
CIKM
2007
Springer
14 years 1 months ago
2007
Springer
Dictionary-based approaches to query translation have been widely used in Cross-Language Information Retrieval (CLIR) experiments. Using these approaches, translation has been not...