285 search results - page 18 / 57 » Measuring the Variability in Effectiveness of a Retrieval Sy... |
SIGIR
2003
ACM
15 years 2 months ago
2003
ACM
Query length in best-match information retrieval (IR) systems is well known to be positively related to effectiveness in the IR task, when measured in experimental, non-interactiv...
CIKM
2009
Springer
15 years 1 months ago
2009
Springer
The nDCG measure has proven to be a popular measure of retrieval effectiveness utilizing graded relevance judgments. However, a number of different instantiations of nDCG exist, d...
BMCBI
2010
14 years 9 months ago
2010
Background: For ecological studies, it is crucial to count on adequate descriptions of the environments and samples being studied. Such a description must be done in terms of thei...
SIGIR
2006
ACM
15 years 3 months ago
2006
ACM
We consider the problem of large-scale retrieval evaluation, and we propose a statistical method for evaluating retrieval systems using incomplete judgments. Unlike existing techn...
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WWW
2007
ACM
15 years 10 months ago
2007
ACM
We propose a model for user purchase behavior in online stores that provide recommendation services. We model the purchase probability given recommendations for each user based on...