Permissions: Read and search data from any open Semantic Web data source

权限：从任一开放语义 Web 数据源读取和搜索数据

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A significant and ever-increasing amount of data is accessible only by filling out HTML forms to query an underlying Web data source.

大量不断更新的数据只能通过填写HTML页面的查询接口对后台的数据进行查询得到。

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A data source could be a relational database, a file, a Web Service or even a custom data source included within a line of business application.

数据源可以是关系数据库、文件系统、Web服务，甚或一系列业务应用程序中包含的自定义数据源。

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In the simplest terms, an API is a set of code conventions which programmers can use to interact with an external data source or web service.

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Our source for fuel-economy data was the EPA's Web site.

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But if you take into account the use of open source products like Xen and KVM in massive data centers, web server farms, and by web application providers like Google and Salesforce.com, the CPUs running open source virtualization likely dwarfs the commercial market.

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