Re-ranking Based Diversification: A Unifying View

We analyze different re-ranking algorithms for diversification and show that majority of them are based on maximizing submodular/modular functions from the class of parameterized concave/linear over modular functions. We study the optimality of such algorithms in terms of the `total curvature'....

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Bibliographic Details
Published in:	arXiv.org
Main Author:	Shameem A Puthiya Parambath
Format:	Paper
Language:	English
Published:	Ithaca Cornell University Library, arXiv.org 26.06.2019
Subjects:	Algorithms Curvature Optimization Ranking Tradeoffs
ISSN:	2331-8422
Online Access:	Get full text
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