In the J2EE world, you have to find a search engine, then come up with a way to feed data to the search engine, get results out, and format the results for display to the user.

在J2EE的世界中，您需要自己去找一个搜索引擎，然后使用一种方法为这个搜索引擎填充数据，然后获得结果，并对结果进行格式化，将它们显示给用户。

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To provide a custom search feature for your site, you must have a data source and the ability to search that source.

要为站点提供自定义搜索功能，您必须有数据源和搜索该数据源的功能。

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Notice in the above example how much simpler it is to extract just the data for the table of interest using the table function rather than having to search for the data in the snapshot output.

注意，在上面的示例中，使用表函数提取感兴趣的表的数据比搜索快照输出中的数据简单得多。

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The CommonWell initiative is aiming for something better: not just allowing doctors to send and receive data, but to search for it.

FORBES: Verizon Makes Push Into Health With What Looks Like Gmail, But Isn't

Well, it looks like Yahoo's not immune to such goings on, as it's just announced that it will renege on its previous data retention promises and hold on to raw search data for 18 months.

ENGADGET: Yahoo to retain search data for 18 months, says it's in your best interest

The project is part of a European-funded initiative, known as Smart ("search engine for multimedia environment-generated content"), which aims to create a system for internet users to search and analyse data from sensors.

BBC: Researchers work on smart city search engine