138 search results - page 14 / 28 » Retrieving topical sentiments from online document collectio... |
CICLING
2010
Springer
14 years 9 days ago
2010
Springer
In this paper, we address both standard and focused retrieval tasks based on comprehensible language models and interactive query expansion (IQE). Query topics are expanded using a...
ECIR
2009
Springer
14 years 5 months ago
2009
Springer
: In the last decade, many evaluation results have been created within the evaluation initiatives like TREC, NTCIR and CLEF. The large amount of data available has led to substanti...
SIGIR
2003
ACM
14 years 1 months ago
2003
ACM
Hierarchies provide a means of organizing, summarizing and accessing information. We describe a method for automatically generating hierarchies from small collections of text, and...
CIKM
2007
Springer
13 years 10 months ago
2007
Springer
One aspect in which retrieving named entities is different from retrieving documents is that the items to be retrieved – persons, locations, organizations – are only indirect...
KDD
2002
ACM
14 years 8 months ago
2002
ACM
Automated detection of the first document reporting each new event in temporally-sequenced streams of documents is an open challenge. In this paper we propose a new approach which...