138 search results - page 25 / 28 » Retrieving topical sentiments from online document collectio... |
BMCBI
2007
13 years 7 months ago
2007
Background: We present a probabilistic topic-based model for content similarity called pmra that underlies the related article search feature in PubMed. Whether or not a document ...
NAACL
2003
13 years 8 months ago
2003
We examine clarification dialogue, a mechanism for refining user questions with follow-up questions, in the context of open domain Question Answering systems. We develop an algori...
WWW
2009
ACM
14 years 8 months ago
2009
ACM
Much of the information on the Web is found in articles from online news outlets, magazines, encyclopedias, review collections, and other sources. However, extracting this content...
SIGIR
2005
ACM
14 years 28 days ago
2005
ACM
Accurate topical categorization of user queries allows for increased effectiveness, efficiency, and revenue potential in general-purpose web search systems. Such categorization be...
AIRS
2006
Springer
13 years 11 months ago
2006
Springer
This paper compares the utilization of ConceptNet and WordNet in query expansion. Spreading activation selects candidate terms for query expansion from these two resources. Three m...