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» A New Evaluation Measure for Imbalanced Datasets
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MLDM
2009
Springer
14 years 3 months ago
Regional Pattern Discovery in Geo-referenced Datasets Using PCA
Existing data mining techniques mostly focus on finding global patterns and lack the ability to systematically discover regional patterns. Most relationships in spatial datasets ar...
Oner Ulvi Celepcikay, Christoph F. Eick, Carlos Or...
KI
2009
Springer
14 years 1 months ago
Correlating Natural Language Parser Performance with Statistical Measures of the Text
Abstract. Natural language parsing, as one of the central tasks in natural language processing, is widely used in many AI fields. In this paper, we address an issue of parser perf...
Yi Zhang, Rui Wang 0005
SIGIR
2008
ACM
13 years 8 months ago
Directly optimizing evaluation measures in learning to rank
One of the central issues in learning to rank for information retrieval is to develop algorithms that construct ranking models by directly optimizing evaluation measures used in i...
Jun Xu, Tie-Yan Liu, Min Lu, Hang Li, Wei-Ying Ma
DEXAW
2010
IEEE
196views Database» more  DEXAW 2010»
13 years 8 months ago
Direct Optimization of Evaluation Measures in Learning to Rank Using Particle Swarm
— One of the central issues in Learning to Rank (L2R) for Information Retrieval is to develop algorithms that construct ranking models by directly optimizing evaluation measures ...
Ósscar Alejo, Juan M. Fernández-Luna...
WSDM
2010
ACM
173views Data Mining» more  WSDM 2010»
14 years 6 months ago
Measuring the Reusability of Test Collections
While test collection construction is a time-consuming and expensive process, the true cost is amortized by reusing the collection over hundreds or thousands of experiments. Some ...
Ben Carterette, Evgeniy Gabrilovich, Vanja Josifov...