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鲁虺贴吧搜索堂 / Meta Search Engines上一个 查看全部 下一个

Meta Search Engines

Meta Search Engines
Most meta search engines draw their search results from multiple other search engines,then combine and rerank those results. This was a useful feature back when searchengines were less savvy at crawling the web and each engine had a significantly uniqueindex. As search has improved the need for meta search engines has been reduced.