search coverage 中文意思是什麼
search coverage
解釋
搜索范圍-
This system is set up on the existing search engine foundations through web services " technology, has solved variety and non - structural web data with xml technology, has formed web multi - level data base, and constructed the system structure in high performance of data warehouse, utilized midas technology to form the high - performance index storehouse structure, has remedied the deficiency of search engines at coverage, accuracy etc, and improved efficiency of information retrieval
該系統通過webservices技術,建立在現有搜索引擎基礎之上,以xml技術解決了多樣性和非結構性的web數據轉換,形成了web多層次數據庫,利用了web挖掘面向結構化或半結構化數據的智能化數據抽取和知識發現過程,並且構造了數據倉庫的高性能查詢體系結構? hpqs ,利用midas技術形成了高性能索引庫結構,彌補了當前搜索引擎在覆蓋范圍、準確率、復雜查詢語言的使用和結果表現方式等方面的不足,改善了信息檢索的效率。
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