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Crowdsourced Entity Alignment: A Decision Theory Based Approach

  • Yan Zhuang
  • Guoliang LiEmail author
  • Jianhua Feng
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 10570)

Abstract

Crowdsourcing is a new computation paradigm that utilizes the wisdom of the crowd to solve problems which are difficult for computers (e.g., image annotation and entity alignment). In crowdsourced entity alignment tasks, there are usually large numbers of candidate pairs to be verified by the crowd workers, and each pair will be assigned to multiple workers to achieve high quality. Thus, two fundamental problems are raised: (1) question selection – what are the most beneficial questions that should be crowdsourced, and (2) question assignment – which workers should be assigned to answer a selected question? In this paper, we address these two problems by decision theory. Firstly, we define the problems on two budget constraints. The first takes the marginal gain into account, and the second focuses on the limited budget. Then, we formulate the decision-making problems under different budget constraints and build influence diagram to perform result inference. We propose two efficient algorithms to address these two problems. Finally, we conduct extensive experiments to validate the efficiency and effectiveness of our proposed algorithms on both synthetic and real data.

Keywords

Entity alignment Crowdsourcing Decision theory 

Notes

Acknowledgement

This work was supported by 973 Program of China (2015CB358700), NSF of China (61632016, 61373024, 61602488, 61422205, 61472198), FDCT/007/2016/AFJ, and Key Projects of Military Logistics Research (BHJ14L010).

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Copyright information

© Springer International Publishing AG 2017

Authors and Affiliations

  1. 1.Department of Computer ScienceTsinghua UniversityBeijingChina

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