1025 search results - page 61 / 205 » A machine learning approach for improved BM25 retrieval |
MM
2006
ACM
14 years 3 months ago
2006
ACM
Most existing web video search engines index videos by file names, URLs, and surrounding texts. These types of video roughly describe the whole video in an abstract level without ...
ESWS
2009
Springer
14 years 3 months ago
2009
Springer
Despite serious research efforts, automatic ontology matching still suffers from severe problems with respect to the quality of matching results. Existing matching systems trade-of...
IR
2011
13 years 4 months ago
2011
In this paper, we evaluate a number of machine learning techniques for the task of ranking answers to why-questions. We use TF-IDF together with a set of 36 linguistically motivate...
ICIP
2002
IEEE
14 years 2 months ago
2002
IEEE
Many traditional relevance feedback approaches for CBIR can only achieve limited short-term performance improvement without benefiting long-term performance. To remedy this limita...
BMCBI
2007
13 years 9 months ago
2007
Background: MicroRNAs (miRNAs) are recognized as one of the most important families of noncoding RNAs that serve as important sequence-specific post-transcriptional regulators of ...