57 search results - page 3 / 12 » Corpus structure, language models, and ad hoc information re... |
SIGIR
2008
ACM
13 years 5 months ago
2008
ACM
Blog feed search poses different and interesting challenges from traditional ad hoc document retrieval. The units of retrieval, the blogs, are collections of documents, the blog p...
CIKM
2005
Springer
13 years 10 months ago
2005
Springer
The quality of document content, which is an issue that is usually ignored for the traditional ad hoc retrieval task, is a critical issue for Web search. Web pages have a huge var...
CLEF
2006
Springer
13 years 9 months ago
2006
Springer
We describe the objectives and organization of the CLEF 2006 ad hoc track and discuss the main characteristics of the tasks offered to test monolingual, bilingual, and multilingual...
SIGIR
2002
ACM
13 years 4 months ago
2002
ACM
tion Abstract ChengXiang Zhai (Advisor: John Lafferty) Language Technologies Institute School of Computer Science Carnegie Mellon University With the dramatic increase in online in...
CIKM
2009
Springer
13 years 10 months ago
2009
Springer
We systematically compare five representative state-of-theart methods for estimating query language models with pseudo feedback in ad hoc information retrieval, including two var...