Facebook正在研究用户行为的元数据，我相信他们正在准备开发新型的搜索引擎和数据发现服务。
Facebook is studying metadata from all these likes and other behavior of ours and I believe is preparing new kinds of search and discovery services.
本文选择CW M元数据作为具体对象，较全面地分析、研究了基于领域规范DTD的XML搜索引擎。
This paper chooses the field of CWM metadata as concrete target, analyses and studies XML search engine which standard DTD based on the specific field in general way.
为提高用户查询信息的覆盖面和检索结果的准确性，一种建立在搜索引擎之上的元搜索引擎成为目前研究与开发的热点。
To improve the coverage of user search information and the accuracy of the search results, people start to pay special attention to Meta Search Engine based on search engine.
为提高用户查询信息的覆盖面和检索结果的准确性，一种建立在搜索引擎之上的元搜索引擎成为目前研究与开发的热点。
To improve the coverage of user search information and the accuracy of the search results, people start to pay special attention to Meta Search Engine based on search engine.
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