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An iterated graph laplacian approach for ranking on manifolds

Published: 21 August 2011 Publication History

Abstract

Ranking is one of the key problems in information retrieval. Recently, there has been significant interest in a class of ranking algorithms based on the assumption that data is sampled from a low dimensional manifold embedded in a higher dimensional Euclidean space.
In this paper, we study a popular graph Laplacian based ranking algorithm [23] using an analytical method, which provides theoretical insights into the ranking algorithm going beyond the intuitive idea of "diffusion." Our analysis shows that the algorithm is sensitive to a commonly used parameter due to the use of symmetric normalized graph Laplacian. We also show that the ranking function may diverge to infinity at the query point in the limit of infinite samples. To address these issues, we propose an improved ranking algorithm on manifolds using Green's function of an iterated unnormalized graph Laplacian, which is more robust and density adaptive, as well as pointwise continuous in the limit of infinite samples.
We also for the first time in the ranking literature empirically explore two variants from a family of twice normalized graph Laplacians. Experimental results on text and image data support our analysis, which also suggest the potential value of twice normalized graph Laplacians in practice.

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    cover image ACM Conferences
    KDD '11: Proceedings of the 17th ACM SIGKDD international conference on Knowledge discovery and data mining
    August 2011
    1446 pages
    ISBN:9781450308137
    DOI:10.1145/2020408
    Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected]

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    Published: 21 August 2011

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    Author Tags

    1. green's function
    2. iterated graph laplacian

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    • (2019)A Sampling Theory Perspective of Graph-Based Semi-Supervised LearningIEEE Transactions on Information Theory10.1109/TIT.2018.287989765:4(2322-2342)Online publication date: Apr-2019
    • (2019)Robust classification of graph-based dataData Mining and Knowledge Discovery10.1007/s10618-018-0603-933:1(230-251)Online publication date: 1-Jan-2019
    • (2019)Properly-Weighted Graph Laplacian for Semi-supervised LearningApplied Mathematics & Optimization10.1007/s00245-019-09637-3Online publication date: 7-Dec-2019
    • (2018)net4Lap: Neural Laplacian Regularization for Ranking and Re-Ranking2018 24th International Conference on Pattern Recognition (ICPR)10.1109/ICPR.2018.8545303(1366-1371)Online publication date: Aug-2018
    • (2018)High-Order Tensor Regularization with Application to Attribute Ranking2018 IEEE/CVF Conference on Computer Vision and Pattern Recognition10.1109/CVPR.2018.00457(4349-4357)Online publication date: Jun-2018
    • (2017)Computational Social IndicatorsProceedings of the 40th International ACM SIGIR Conference on Research and Development in Information Retrieval10.1145/3077136.3080773(455-464)Online publication date: 7-Aug-2017
    • (2016)A Ranking Approach on Large-Scale Graph With Multidimensional Heterogeneous InformationIEEE Transactions on Cybernetics10.1109/TCYB.2015.241823346:4(930-944)Online publication date: Apr-2016
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