81 search results - page 4 / 17 » Using opinion-based features to boost sentence retrieval |
ECIR
2004
Springer
13 years 9 months ago
2004
Springer
In the novelty task on sentence level, the amount of information used in similarity computation is the major challenging issue. A shallow NLP approach extracts noun and verb featu...
ICPR
2004
IEEE
14 years 9 months ago
2004
IEEE
y trees are well-known abstract structures. This paper proposes a new shape-based image retrieval method based on concavity trees. The proposed method has two main components. The...
ICCV
2007
IEEE
14 years 2 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...
SIGIR
2011
ACM
12 years 10 months ago
2011
ACM
Pseudo-relevance feedback has proven effective for improving the average retrieval performance. Unfortunately, many experiments have shown that although pseudo-relevance feedback...
CIVR
2004
Springer
14 years 1 months ago
2004
Springer
Our work in content-based image retrieval (CBIR) relies on content-analysis of multiple representations of an image which we term multiple viewpoints or channels. The conceptual id...