11151 search results - page 28 / 2231 » On the Complexity of Model Expansion |
DCC
2008
IEEE
14 years 7 months ago
2008
IEEE
We studied the problem of distributed coding and transmission of intercorrelated sources with memory. Different from the conventional distributed source coding structure which rel...
SIGIR
2008
ACM
13 years 7 months ago
2008
ACM
Pseudo-feedback-based automatic query expansion yields effective retrieval performance on average, but results in performance inferior to that of using the original query for many...
SIGIR
2012
ACM
11 years 10 months ago
2012
ACM
People are seldom aware that their search queries frequently mismatch a majority of the relevant documents. This may not be a big problem for topics with a large and diverse set o...
WWW
2002
ACM
14 years 8 months ago
2002
ACM
Query expansion has long been suggested as an effective way to resolve the short query and word mismatching problems. A number of query expansion methods have been proposed in tra...
SIGIR
2006
ACM
14 years 1 months ago
2006
ACM
Classical query expansion techniques such as the local context analysis (LCA) make use of term co-occurrence statistics to incorporate additional contextual terms for enhancing pa...