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AIR
2005
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13 years 4 months ago
Evolving General Term-Weighting Schemes for Information Retrieval: Tests on Larger Collections
Term-weighting schemes are vital to the performance of Information Retrieval models that use term frequency characteristics to determine the relevance of a document. The vector spa...
Ronan Cummins, Colm O'Riordan
SIGIR
2008
ACM
13 years 4 months ago
Score standardization for inter-collection comparison of retrieval systems
The goal of system evaluation in information retrieval has always been to determine which of a set of systems is superior on a given collection. The tool used to determine system ...
William Webber, Alistair Moffat, Justin Zobel
IR
2006
13 years 4 months ago
Evolving local and global weighting schemes in information retrieval
This paper describes a method, using Genetic Programming, to automatically determine term weighting schemes for the vector space model. Based on a set of queries and their human de...
Ronan Cummins, Colm O'Riordan
CIKM
2006
Springer
13 years 8 months ago
Estimating average precision with incomplete and imperfect judgments
We consider the problem of evaluating retrieval systems using incomplete judgment information. Buckley and Voorhees recently demonstrated that retrieval systems can be efficiently...
Emine Yilmaz, Javed A. Aslam
SIGIR
2010
ACM
13 years 8 months ago
Extending average precision to graded relevance judgments
Evaluation metrics play a critical role both in the context of comparative evaluation of the performance of retrieval systems and in the context of learning-to-rank (LTR) as objec...
Stephen E. Robertson, Evangelos Kanoulas, Emine Yi...
SIGIR
2005
ACM
13 years 10 months ago
Impedance coupling in content-targeted advertising
The current boom of the Web is associated with the revenues originated from on-line advertising. While search-based advertising is dominant, the association of ads with a Web page...
Berthier A. Ribeiro-Neto, Marco Cristo, Paulo Braz...
SIGIR
2005
ACM
13 years 10 months ago
A geometric interpretation of r-precision and its correlation with average precision
We consider two of the most commonly cited measures of retrieval performance: average precision and R-precision. It is well known that average precision and R-precision are highly...
Javed A. Aslam, Emine Yilmaz, Virgiliu Pavlu
SIGIR
2005
ACM
13 years 10 months ago
The maximum entropy method for analyzing retrieval measures
We present a model, based on the maximum entropy method, for analyzing various measures of retrieval performance such as average precision, R-precision, and precision-at-cutoffs....
Javed A. Aslam, Emine Yilmaz, Virgiliu Pavlu
SIGIR
2006
ACM
13 years 10 months ago
Statistical precision of information retrieval evaluation
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...
Gordon V. Cormack, Thomas R. Lynam
SIGIR
2006
ACM
13 years 10 months ago
Minimal test collections for retrieval evaluation
Accurate estimation of information retrieval evaluation metrics such as average precision require large sets of relevance judgments. Building sets large enough for evaluation of r...
Ben Carterette, James Allan, Ramesh K. Sitaraman