Mining Dynamic Graph Streams for Predictive Queries Under Resource Constraints
Mining Dynamic Graph Streams for Predictive Queries Under Resource Constraints
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DOI:
10.1007/978-3-030-47436-2_3
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发表时间:
2020-04-17
期刊:
影响因子:
--
通讯作者:
Ge T
中科院分区:
文献类型:
--
作者:
Liu X;Ge T
Knowledge graph streams are a data model underlying many online dynamic data applications today. Answering predictive relationship queries over such a stream is very challenging as the heterogeneous graph streams imply complex topological and temporal correlations of knowledge facts, as well as fast dynamic incoming rates and statistical pattern changes over time. We present our approach with two major components: a Count-Fading sketch and an online incremental embedding algorithm. We answer predictive relationship queries using the embedding results. Extensive experiments over real world datasets show that our approach significantly outperforms two baseline approaches, producing accurate query results efficiently with a small memory footprint.
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