424 search results - page 61 / 85 » On performance of topical opinion retrieval |
PKDD
2010
Springer
13 years 6 months ago
2010
Springer
Most approaches to classifying media content assume a fixed, closed vocabulary of labels. In contrast, we advocate machine learning approaches which take advantage of the millions...
SIGIR
2009
ACM
14 years 2 months ago
2009
ACM
Pseudo-relevance feedback (PRF) via query-expansion has been proven to be effective in many information retrieval (IR) tasks. In most existing work, the top-ranked documents from...
ECIR
2009
Springer
14 years 4 months ago
2009
Springer
The task in expert finding is to identify members of an organization with relevant expertise on a given topic. In existing expert finding systems, profiles are constructed from sou...
WWW
2005
ACM
14 years 8 months ago
2005
ACM
An unstructured peer network application was proposed to address the query forwarding problem of distributed search engines and scalability limitations of centralized search engin...
SIGIR
2009
ACM
14 years 2 months ago
2009
ACM
Rank correlation statistics are useful for determining whether a there is a correspondence between two measurements, particularly when the measures themselves are of less interest...