720 search results - page 80 / 144 » Positional language models for information retrieval |
SIGIR
2009
ACM
15 years 4 months ago
2009
ACM
Pseudo-relevance feedback (PRF) via query-expansion has been proven to be effective in many information retrieval (IR) tasks. In most existing work, the top-ranked documents from...
SIGIR
2008
ACM
14 years 9 months ago
2008
ACM
Modeling the beyond-topical aspects of relevance are currently gaining popularity in IR evaluation. For example, the discounted cumulated gain (DCG) measure implicitly models some...
RIAO
2007
14 years 11 months ago
2007
Researchers spent a large amount of their time searching through an ever increasing number of scientific articles. Although users of scientific search engines prefer the ranking o...
ICAIL
2007
ACM
15 years 1 months ago
2007
ACM
We perform a survey into the scope and utility of opinion mining in legal Weblogs (a.k.a. blawgs). The number of `blogs' in the legal domain is growing at a rapid pace and ma...
SIGIR
2005
ACM
15 years 3 months ago
2005
ACM
This paper explores probabilistic lexico-syntactic pattern matching, also known as soft pattern matching. While previous methods in soft pattern matching are ad hoc in computing t...