2607 search results - page 451 / 522 » An Ontology-Based Information Retrieval Model |
CVPR
2010
IEEE
14 years 6 months ago
2010
IEEE
Active learning methods aim to select the most informative unlabeled instances to label first, and can help to focus image or video annotations on the examples that will most impr...
BCI
2009
IEEE
14 years 4 months ago
2009
IEEE
—In this paper, we describe and compare three Collaborative Filtering (CF) algorithms aiming at the low-rank approximation of the user-item ratings matrix. The algorithm implemen...
KDD
2009
ACM
14 years 4 months ago
2009
ACM
As the number and size of large timestamped collections (e.g. sequences of digitized newspapers, periodicals, blogs) increase, the problem of efficiently indexing and searching su...
KCAP
2009
ACM
14 years 4 months ago
2009
ACM
The extensive work on Knowledge Engineering in the 1990s has resulted in a systematic analysis of task-types, and the corresponding problem solving methods that can be deployed fo...
RECSYS
2009
ACM
14 years 4 months ago
2009
ACM
A fundamental aspect of rating-based recommender systems is the observation process, the process by which users choose the items they rate. Nearly all research on collaborative ï¬...