8301 search results - page 303 / 1661 » Risk-Aware Information Retrieval |
206
click to vote
CIKM
2005
Springer
16 years 28 days ago
2005
Springer
This paper presents an evaluation of evolved term-weighting schemes on short, medium and long TREC queries. A previously evolved global (collection-wide) term-weighting scheme is ...
189
click to vote
CAS
1999
15 years 7 months ago
1999
We here expand on a previous paper concerning the role of logic in information retrieval (IR) modelling. In that paper, among other things, we had pointed out how different ways of...
225
click to vote
IR
2010
15 years 5 months ago
2010
Abstract We present a new ranking algorithm that combines the strengths of two previous methods: boosted tree classification, and LambdaRank, which has been shown to be empiricall...
180
click to vote
FQAS
2009
Springer
16 years 2 months ago
2009
Springer
The bag of words representation (BoW), which is widely used in information retrieval (IR), represents documents and queries as word lists that do not express anything about context...
210
click to vote
ICML
2009
IEEE
16 years 8 months ago
2009
IEEE
We present an on-line learning framework tailored towards real-time learning from observed user behavior in search engines and other information retrieval systems. In particular, ...