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- W4297665600 abstract "Ranking is used for a wide array of problems, most notably information retrieval (search). There are a number of popular approaches to the evaluation of ranking such as Kendall's $tau$, Average Precision, and nDCG. When dealing with problems such as user ranking or recommendation systems, all these measures suffer from various problems, including an inability to deal with elements of the same rank, inconsistent and ambiguous lower bound scores, and an inappropriate cost function. We propose a new measure, rankDCG, that addresses these problems. This is a modification of the popular nDCG algorithm. We provide a number of criteria for any effective ranking algorithm and show that only rankDCG satisfies all of them. Results are presented on constructed and real data sets. We release a publicly available rankDCG evaluation package." @default.
- W4297665600 created "2022-09-30" @default.
- W4297665600 creator A5003344833 @default.
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- W4297665600 date "2018-03-01" @default.
- W4297665600 modified "2023-10-01" @default.
- W4297665600 title "RankDCG: Rank-Ordering Evaluation Measure" @default.
- W4297665600 doi "https://doi.org/10.48550/arxiv.1803.00719" @default.
- W4297665600 hasPublicationYear "2018" @default.
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