720 search results - page 12 / 144 » Positional language models for information retrieval |
ECIR
2006
Springer
14 years 11 months ago
2006
Springer
We research whether the inclusion of information about an information user's social environment and his position in the social network of his peers leads to an improval in sea...
SIGIR
2002
ACM
14 years 9 months ago
2002
ACM
We develop a method for predicting query performance by computing the relative entropy between a query language model and the corresponding collection language model. The resultin...
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SIGIR
2002
ACM
14 years 9 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...
CLEF
2000
Springer
15 years 2 months ago
2000
Springer
This paper describes the official runs of the Twenty-One group for the first CLEF workshop. The Twenty-One group participated in the monolingual, bilingual and multilingual tasks....
IRFC
2010
Springer
15 years 2 months ago
2010
Springer
Abstract. As a low-cost ressource that is up-to-date, Wikipedia recently gains attention as a means to provide cross-language brigding for information retrieval. Contradictory to a...