138 search results - page 20 / 28 » Retrieving topical sentiments from online document collectio... |
SIGIR
2005
ACM
14 years 2 months ago
2005
ACM
We describe a method for predicting query difficulty in a precision-oriented web search task. Our approach uses visual features from retrieved surrogate document representations (...
BMCBI
2008
13 years 8 months ago
2008
Background: While text-mining and distributed annotation systems both aim at capturing knowledge and presenting it in a standardized form, there have been few attempts to investig...
CHI
2002
ACM
14 years 8 months ago
2002
ACM
This two-day workshop examines the ways that on-line communities create and refine their shared resources, including both the formal and observable artifacts (documents, chats, th...
IADIS
2003
13 years 9 months ago
2003
This paper presents the method for retrieving and summarizing changes in topics from online resources. Users often want to know what are the major changes in their areas of intere...
TREC
2003
13 years 9 months ago
2003
Our participation in TREC 2003 aims to adapt the use of the DFR (Divergence From Randomness) models with Query Expansion (QE) to the robust track and the topic distillation task o...