WebSQL is a SQL-like(26)language for extracting information from the web. Its capabilities for performing navigation of web(27)m

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问题 WebSQL is a SQL-like(26)language for extracting information from the web. Its capabilities for performing navigation of web(27)make it a useful tool for automating several web-related tasks that require the systematic processing of either ail the links in a(28), all the pages that can be reached from a given URL through(29)that match a’ pattern, or a combination of both. WebSQL also provides transparent access to index servers that can be queried via the Common(30)Interface.

选项 A、Router
B、Device
C、Computer
D、Gateway

答案D

解析 WebSQL是一种类似于SQL的查询查询语言,用于从Web中提取信息。它能够在 Web超文本中巡航,这使得它成为自动操作一个页面中有关链接的有用工具,或是作为搜索从一个给定的URL可以到达的、所有匹配某种模式的页面的有用工具。WebSQL也提供透明地访问索引服务器的手段,这种服务器可以通过公共网关接口进行查询。
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