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CIKM
2009
Springer
13 years 2 months ago
Measuring system performance and topic discernment using generalized adaptive-weight mean
Standard approaches to evaluating and comparing information retrieval systems compute simple averages of performance statistics across individual topics to measure the overall sys...
Chung Tong Lee, Vishwa Vinay, Eduarda Mendes Rodri...
WEBI
2009
Springer
13 years 11 months ago
Social Semantics and Its Evaluation by Means of Semantic Relatedness and Open Topic Models
—This paper presents an approach using social semantics for the task of topic labelling by means of Open Topic Models. Our approach utilizes a social ontology to create an alignm...
Ulli Waltinger, Alexander Mehler
CLUSTER
2009
IEEE
13 years 11 months ago
Topics on measuring real power usage on high performance computing platforms
—Power has recently been recognized as one of the major obstacles in fielding a Peta-FLOPs class system. To reach Exa-FLOPs, the challenge will certainly be compounded. In this ...
James H. Laros, Kevin T. Pedretti, Suzanne M. Kell...
SIGIR
2008
ACM
13 years 4 months ago
Blogger, stick to your story: modeling topical noise in blogs with coherence measures
Topical noise in blogs arises when bloggers digress from the central topical thrust of their blogs. We introduce a method to explicitly incorporate a model of topical noise into a...
Jiyin He, Wouter Weerkamp, Martha Larson, Maarten ...
SIGIR
2004
ACM
13 years 10 months ago
Measuring ineffectiveness
An evaluation methodology that targets ineffective topics is needed to support research on obtaining more consistent retrieval across topics. Using average values of traditional ...
Ellen M. Voorhees