1170 search results - page 111 / 234 » Retrieval effectiveness of an ontology-based model for infor... |
SIGIR
2010
ACM
13 years 8 months ago
2010
ACM
We present a novel approach to query reformulation which combines syntactic and semantic information by means of generalized Levenshtein distance algorithms where the substitution...
MM
2004
ACM
14 years 1 months ago
2004
ACM
Most current image retrieval systems and commercial search engines use mainly text annotations to index and retrieve WWW images. This research explores the use of machine learning...
SIGMETRICS
2008
ACM
13 years 7 months ago
2008
ACM
This paper develops analytic models that characterize the behavior of on-demand stored media content delivery using BitTorrent-like protocols. The models capture the effects of di...
CIKM
2009
Springer
14 years 2 months ago
2009
Springer
Information retrieval systems conventionally assess document relevance using the bag of words model. Consequently, relevance scores of documents retrieved for different queries a...
MM
2006
ACM
14 years 1 months ago
2006
ACM
Image annotation plays an important role in image retrieval and management. However, the results of the state-of-the-art image annotation methods are often unsatisfactory. Therefo...