SPARQL Federated Query Debugging Tool

doi:10.1177/22104968251361286

2025-07-29

Marek Moos

Jakub Galgonek

DOI：10.1177/22104968251361286

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摘要

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洞悉复杂问题往往需要整合多个数据集的数据。为此，在联邦环境下支持SPARQL查询是一项重要功能。然而，实践中已遇到若干陷阱，显著增加了此类环境下使用SPARQL查询的难度。这些挑战包括信息不足的错误响应、性能瓶颈以及由SPARQL端点引入的非预期语义变化。为解决这些陷阱，本文介绍了一个新实现的SPARQL查询调试器，该调试器作为Web应用程序，可访问于 https://sparql-debugger.elixir-czech.cz 。该工具旨在实时监控包含服务模式的SPARQL查询执行过程，这对错误检测和性能优化至关重要。详细的服务执行数据（如SPARQL请求和响应、持续时间等）有助于识别具体负责问题的服务实例，即使该服务深嵌于服务执行树中。该工具基于将所有请求重定向至调试代理服务器的原则，因此可与其他所有SPARQL兼容的端点配合使用，无需修改端点本身。本文介绍的调试工具能够识别并解决原本难以处理的问题，并在实践中证明了其有效性。

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Semantic Web: Interoperability, Usability, and Applicability

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institute of organic chemistry and biochemistry of the czech academy of sciences, prague, czech republic

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