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A Theoretical Analysis of Normalized Discounted Cumulative Gain (NDCG) Ranking Measures
Ranking Ranking measures NDCG Consistent Distinguishability
2016/1/23
A central problem in ranking is to design a measure for evaluation of ranking functions. In this paper we study, from a theoretical perspective, the Normalized Discounted Cumulative Gain (NDCG) which ...
Learning Probability Measures with respect to Optimal Transport Metrics
Learning Probability Measures Optimal Transport Metrics
2012/11/23
We study the problem of estimating, in the sense of optimal transport metrics, a measure which is assumed supported on a manifold embedded in a Hilbert space. By establishing a precise connection betw...
A Firm Level Study of Information Technology Productivity in Europe Using Financial and Market Based Measures
Information Technology Productivity Europe Financial Market
2009/12/9
For many years, business has invested significant resources in information technology, hardware, software, and manpower. The Productivity Paradox is the seeming lack of productivity gains despite the...
Success Factors and Measures for Public Sector IS/IT Co-Sourcing Contracts
Success Factors Public Sector IS/IT Co-Sourcing Contracts
2009/12/7
The main objective of this research was to explore the effectiveness of contract negotiations between buyers and suppliers in small government organizations, which collectively outsource their IS/IT a...
A No-Reference Blocking Artifacts Metric Using Selective Gradient and Plainness Measures
Blocking artifacts metric gradient measures plainness measures
2013/7/17
This paper presents a novel no-reference blocking artifacts metric using selective gradient and plainness (BAM_SGP) measures for DCT-coded images. A boundary selection criterion is introduced to dist...