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Ties That Bind: Characterizing Classes by Attributes and Social Ties

Published: 03 April 2017 Publication History

Abstract

Given a set of attributed subgraphs known to be from different classes, how can we discover their differences? There are many cases where collections of subgraphs may be contrasted against each other. For example, they may be as- signed ground truth labels (spam/not-spam), or it may be desired to directly compare the biological networks of different species or compound networks of different chemicals.
In this work we introduce the problem of characterizing the differences between attributed subgraphs that belong to different classes. We define this characterization problem as one of partitioning the attributes into as many groups as the number of classes, while maximizing the total attributed quality score of all the given subgraphs.
We show that our attribute-to-class assignment problem is NP-hard and an optimal (1 -- 1/e)-approximation algorithm exists. We also propose two different faster heuristics that are linear-time in the number of attributes and subgraphs. Unlike previous work where only attributes were taken into account for characterization, here we exploit both attributes and social ties (i.e. graph structure).
Through extensive experiments, we compare our proposed algorithms, show findings that agree with human intuition on datasets from Amazon co-purchases, Congressional bill sponsorships and DBLP co-authorships. We also show that our approach of characterizing subgraphs is better suited for sense-making than discriminating classification approaches.

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Cited By

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  • (2020)On knowledge-transfer characterization in dynamic attributed networksSocial Network Analysis and Mining10.1007/s13278-020-00657-410:1Online publication date: 13-Jun-2020
  • (2019)On Privacy of Socially Contagious Attributes2019 IEEE International Conference on Data Mining (ICDM)10.1109/ICDM.2019.00163(1294-1299)Online publication date: Nov-2019

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Published In

cover image ACM Other conferences
WWW '17 Companion: Proceedings of the 26th International Conference on World Wide Web Companion
April 2017
1738 pages
ISBN:9781450349147

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  • IW3C2: International World Wide Web Conference Committee

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International World Wide Web Conferences Steering Committee

Republic and Canton of Geneva, Switzerland

Publication History

Published: 03 April 2017

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Author Tags

  1. attributed graphs
  2. community understanding
  3. homophily
  4. social networks
  5. subspace discovery

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  • Research-article

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WWW '17
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  • IW3C2

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WWW '17 Companion Paper Acceptance Rate 164 of 966 submissions, 17%;
Overall Acceptance Rate 1,899 of 8,196 submissions, 23%

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Cited By

View all
  • (2020)On knowledge-transfer characterization in dynamic attributed networksSocial Network Analysis and Mining10.1007/s13278-020-00657-410:1Online publication date: 13-Jun-2020
  • (2019)On Privacy of Socially Contagious Attributes2019 IEEE International Conference on Data Mining (ICDM)10.1109/ICDM.2019.00163(1294-1299)Online publication date: Nov-2019

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