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- W3030087376 abstract "Knowledge graphs have been used in a wide range of applications to support search, recommendation, and question answering (Q&A). For example, in Q&A systems, given a new question, we may use a knowledge graph to automatically identify the most suitable answers based on similarity evaluation. However, such systems may suffer from two major limitations. First, the knowledge graph constructed based on source data may contain errors. Second, the knowledge graph may become out of date and cannot quickly adapt to new knowledge. To address these issues, in this paper, we propose an interactive framework that refines and optimizes knowledge graphs through user votes. We develop an efficient similarity evaluation notion, called extended inverse P-distance, based on which the graph optimization problem can be formulated as a signomial geometric programming problem. We then propose a basic single-vote solution and a more advanced multi-vote solution for graph optimization. We also propose a split-and-merge optimization strategy to scale up the multi-vote solution. Extensive experiments based on real-life and synthetic graphs demonstrate the effectiveness and efficiency of our proposed framework." @default.
- W3030087376 created "2020-06-05" @default.
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- W3030087376 date "2020-04-01" @default.
- W3030087376 modified "2023-09-26" @default.
- W3030087376 title "Optimizing Knowledge Graphs through Voting-based User Feedback" @default.
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- W3030087376 doi "https://doi.org/10.1109/icde48307.2020.00043" @default.
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