354 search results - page 36 / 71 » Top-k learning to rank: labeling, ranking and evaluation |
101
click to vote
IJON
2010
14 years 8 months ago
2010
We present a computational approach to abnormal visual event detection, which is based on exploring and modeling local motion patterns in a non-linear subspace. We use motion vect...
101
click to vote
MM
2004
ACM
15 years 3 months 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...
LREC
2008
14 years 11 months ago
2008
We report about a project which brings together Natural Language Processing and eLearning. One of the functionalities developed within this project is the possibility to annotate ...
SIGIR
2011
ACM
14 years 16 days ago
2011
ACM
We consider an interactive information retrieval task in which the user is interested in finding several to many relevant documents with minimal effort. Given an initial documen...
100
click to vote
WWW
2011
ACM
14 years 4 months ago
2011
ACM
Our objective is to improve the performance of keyword based image search engines by re-ranking their baseline results. To this end, we address three limitations of existing searc...