170 search results - page 20 / 34 » Content-Oriented Relevance Feedback in XML-IR Using the Garn... |
SIGIR
2009
ACM
14 years 2 months ago
2009
ACM
Pseudo-relevance feedback (PRF) via query-expansion has been proven to be effective in many information retrieval (IR) tasks. In most existing work, the top-ranked documents from...
SIGIR
2005
ACM
14 years 1 months ago
2005
ACM
Measuring the information retrieval effectiveness of Web search engines can be expensive if human relevance judgments are required to evaluate search results. Using implicit user ...
MM
2004
ACM
14 years 28 days ago
2004
ACM
In this paper, we propose a novel transductive learning framework named manifold-ranking based image retrieval (MRBIR). Given a query image, MRBIR first makes use of a manifold ra...
ICIP
2000
IEEE
14 years 9 months ago
2000
IEEE
Content-Based Image Retrieval (CBIR) is one of the most active research areas in recent years. Many visual feature representations have been explored and many systems built. Howev...
ICIP
2002
IEEE
14 years 9 months ago
2002
IEEE
In this paper, a new recursive algorithm is proposed for optimal estimation of similarity measure used in a content-based retrieval system. This is performed through a relevance f...