生物多样性世界:分析生物多样性模式的解决问题的环境

J. S. Pahwa, Peter Brewer, T. Sutton, C. Yesson, M. Burgess, Xuebiao Xu, Andrew C. Jones, R. White, W. A. Gray, N. Fiddian, F. Bisby, A. Culham, N. Caithness, M. Scoble, P. Williams, S. Bhagwat
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引用次数: 13

摘要

在生物多样性世界(BDW)项目中,我们为生物多样性研究人员创建了一个灵活的、可扩展的基于Web服务的网格环境,用于解决生物多样性问题和分析生物多样性模式。在这种环境下,与生物多样性相关的异构和全球分布的资源,如数据集和分析工具,可供用户访问和组装成工作流程,以进行复杂的科学实验。其中一个实验是利用气候变量对单个物种的地理分布进行生物气候建模,以预测过去和未来物种分布中与气候有关的变化。这种物种分布分析所需的数据源和分析工具分布广泛,可在异构平台上获得,以不同格式呈现数据,缺乏互操作性。BDW系统将所有这些不同的单元集合在一起,这样用户就可以组合工具,而不必考虑它们的可用性、数据格式和互操作性。我们描述了BDW问题解决环境(PSE)的体系结构,PSE由许多组件组成,提供对异构资源和分析工具的统一访问。BDW系统的架构组件包括工作流管理工具、资源包装器、通信层、BDW数据类型和元数据存储库。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Biodiversity World: a problem-solving environment for analysing biodiversity patterns
In the Biodiversity World (BDW) project we have created a flexible and extensible Web services-based grid environment for biodiversity researchers to solve problems in biodiversity and analyse biodiversity patterns. In this environment, heterogeneous and globally distributed biodiversity-related resources such as data sets and analytical tools are made available to be accessed and assembled by users into workflows to perform complex scientific experiments. One such experiment is bioclimatic modelling of the geographical distribution of individual species using climate variables in order to predict past and future climate-related changes in species distribution. Data sources and analytical tools required for such analysis of species distribution are widely dispersed, available on heterogeneous platforms, present data in different formats and lack interoperability. The BDW system brings all these disparate units together so that the user can combine tools with little thought as to their availability, data formats and interoperability. We describe the architecture of the BDW problem solving environment (PSE) consisting of a number of components providing uniform access to heterogeneous resources and analytical tools. Architectural components of the BDW system include a workflow management tool, resource wrappers, a communications layer, BDW datatypes and a metadata repository.
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