基于时间知识图谱相对时间的软件工程事件建模
Software Engineering Event Modeling using Relative Time in Temporal Knowledge Graphs
摘要:
我们提出了一个多关系的时间知识图谱的基础上,在GitHub,最大的社会编码平台之一的工件之间的日常互动。这种表示使得能够提出许多用户活动和项目管理问题,作为知识图谱上的链接预测和时间查询。特别是,我们引入了两个新的数据集i)内插的时间条件链接预测和ii)外推的时间条件链接/时间预测查询,每一个都具有独特的属性。我们对这些数据集的实验强调了调整知识图谱来回答广泛的软件工程问题的潜力。同时,它也揭示了现有的时态模型的外推查询和时间预测查询的一般性能不令人满意。为了克服这些缺点,我们引入了一个扩展到当前的时间模型,使用相对的时间信息与过去的事件。
英文摘要:
We present a multi-relational temporal Knowledge Graph based on the daily interactions between artifacts in GitHub, one of the largest social coding platforms. Such representation enables posing many user-activity and project management questions as link prediction and time queries over the knowledge graph. In particular, we introduce two new datasets for i) interpolated time-conditioned link prediction and ii) extrapolated time-conditioned link/time prediction queries, each with distinguished properties. Our experiments on these datasets highlight the potential of adapting knowledge graphs to answer broad software engineering questions. Meanwhile, it also reveals the unsatisfactory performance of existing temporal models on extrapolated queries and time prediction queries in general. To overcome these shortcomings, we introduce an extension to current temporal models using relative temporal information with regards to past events.
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