PGeoTopic: A Distributed Solution for Mining Geographical Topic Models

IEEE Transactions on Knowledge and Data Engineering（2022）

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摘要

Geographical topic models have been used to mine geo-tagged documents for topical region and geographical topics, and also have applications in recommendations, user mobility modeling, event detection, etc. Existing studies focus on learning effective geographical topic models while ignoring the efficiency issue. However, it is very expensive to train geographical topic models — it may take days t...

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关键词

Training,Data models,Computational modeling,Parallel processing,Motion pictures,Data mining,Event detection

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