24105 search results - page 53 / 4821 » Models in Information Retrieval |
QI
2009
Springer
14 years 3 months ago
2009
Springer
Information Retrieval (IR) systems try to identify documents relevant to user queries, which are representations of user information needs. Interaction, context, and document struc...
IR
2010
13 years 7 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...
SIGIR
2005
ACM
14 years 2 months ago
2005
ACM
We propose a simple method for converting many standard measures of retrieval performance into metasearch algorithms. Our focus is both on the analysis of retrieval measures thems...
IPPS
2000
IEEE
14 years 1 months ago
2000
IEEE
This paper presents an efficient parallel information retrieval (IR) system which provides fast information service for the Internet users on lowcost high-performance PC-NOW enviro...
SIGIR
2006
ACM
14 years 3 months ago
2006
ACM
We introduce and validate bootstrap techniques to compute confidence intervals that quantify the effect of test-collection variability on average precision (AP) and mean average...