面向大箱体本体的高效对象查询模块提取。

Jia Xu, Patrick Shironoshita, U. Visser, N. John, M. Kabuka
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引用次数: 9

摘要

从本体ABox中提取逻辑独立的片段可以用于解决具有大型ABox的本体查询的可跟踪性问题。在本文中,我们提出了一个ABox模块的形式化定义,这样它保证了关于一组给定个体的事实的完整保存,从而可以在本体TBox之外独立地进行推理。有了这种类型的ABox模块,孤立或分布式(并行)ABox推理变得可行,并且可以从本体ABox中获得更高效的数据检索。为了计算这样一个ABox模块,我们提出了一个理论方法和SHIQ本体的近似。对不同类型本体上的模块近似评价表明,平均而言,提取的ABox模块明显小于整个ABox,基于ABox模块的本体推理时间可以显著提高。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Module Extraction for Efficient Object Queries over Ontologies with Large ABoxes.
The extraction of logically-independent fragments out of an ontology ABox can be useful for solving the tractability problem of querying ontologies with large ABoxes. In this paper, we propose a formal definition of an ABox module, such that it guarantees complete preservation of facts about a given set of individuals, and thus can be reasoned independently w.r.t. the ontology TBox. With ABox modules of this type, isolated or distributed (parallel) ABox reasoning becomes feasible, and more efficient data retrieval from ontology ABoxes can be attained. To compute such an ABox module, we present a theoretical approach and also an approximation for SHIQ ontologies. Evaluation of the module approximation on different types of ontologies shows that, on average, extracted ABox modules are significantly smaller than the entire ABox, and the time for ontology reasoning based on ABox modules can be improved significantly.
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