efficiency of retrieval system 中文意思是什麼

efficiency of retrieval system 解釋
檢索系統效率
  • efficiency : n. 1. 功效。2. 效率；效能；實力，能力。3. 【物理學】性能。
  • of : OF ＝Old French 古法語。
  • retrieval : n. （可）取回，（可）恢復，（可）挽回；（可）修補，（可）修正，（可）更正；（可）彌補，（可）補償。 beyond retrieval 不能補救的，不能挽回的。
  • system : n 1 體系，系統；分類法；組織；設備，裝置。2 方式；方法；作業方法。3 制度；主義。4 次序，規律。5 ...
  1. 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。
  2. 2. defining the entropy space of image and entropy difference, the concept of information entropy is applied to image retrieval. some mathematical properties of entropy are studied, and similarity measurement of image entropy and corresponding algorithm is presented. these techniques can reduce the dimensionality of histogram space from n to l ( n > l ), increase the image retrieval efficiency, and improve the capability of image retrieval system

    將信息論中的信息熵概念引入圖象檢索，定義了圖象墑空間、熵差的概念，研究了圖象熵的性質，探討了基於圖象熵的相似性度量方法和實現演算法，該方法可將n維直方圖空間變為1維，提高了圖象檢索的效率，改善了圖象檢索系統的性能。
  3. The system brings about automation in the processes of documents capturing, indexing, storage and retrieval and enables staff to gain access to the same document concurrently via their workstations. it serves to save time, reduce paper consumption and enhance operational efficiency in handling enquiries and other areas of work

    系統既可把文件記錄、索引編制、資料貯存及檢索工作電子化外，又可讓職員經終端機同時查閱文件，免卻翻查和貯存紙張檔案，提升處理查詢及工作的效率。
  4. This model has realized smooth and automatic join between information management and issue. the information retrieval has realized filter effectively and the whole efficiency of the system is relatively high

    在信息管理和發布之間實現了平滑和自動連接，信息檢索效果很好，系統整體效率較高。
  5. The combination of the subtree - based storage model with the document - based to ensure the efficiency and integrality of the data retrieval for all sorts of heterogeneous and context mixed data to the fullest extent ; 2. dynamically branching and merging combined with the data mapping mechanism, supports the xml document efficiently and can improve the operation capability of the system to some extent ; 3. referring to the characteristic of xquery, it presents a new operation language for xml data, xqul, which supports the query operation as well as the update operation on xml ; 4

    本文提出了一套較為通用的非結構化信息的nativexml文檔存儲訪問策略和實現方案作為對非結構化信息存取機制研究的探索和嘗試，主要包括下列理論及技術: 1 .基於子樹和基於文檔的存儲模式相結合，以最大程度保證底層各類形式異構和內容混雜的數據存取的有效性和完整性; 2 .動態分枝合成技術和數據映像機制的引入，實現對xml文檔的有效支持，並在一定程度上提高系統處理性能; 3 .結合xquery查詢語言特點，提出一種新型xml數據操作語言xqul ，支持xml數據的查詢以及更新操作; 4 .三種索引（文檔索引、結構索引、值索引）的建立，為xml數據提供從站點到文檔，從文檔到元素的多級訪問策略。
  6. It utilizes the learning advantages of case - based reasoning and the high efficiency of tabu - genetic algorithm to solve the problem of the knowledge - acquiring difficulty and the low retrieval efficiency while enhance the solving ability of the semi - structure and unstructure problems in decision support system

    利用案例推理技術的學習優勢，結合遺傳演算法與禁忌演算法高效的搜索機制，可望部分解決現存決策支持系統知識獲取困難和檢索效率低下的問題，提高其解決半結構化和非結構化問題的能力。
  7. For the sake of breaking through the key technology of knowledge picking up and expression in dfm system so as to reach a practical purpose, on the basis of analyzing in detail the knowledge features of manufacturability and combining with the features expression of produce and components and the general representative method of knowledge, a kind of representative method for the knowledge of integrated manufacturability was put for ward, in order to enhance the efficiency of retrieval and calling and decrease the work amount of maintenance

    為突破dfm系統知識提取和表達的關鍵技術，達到實用目的，在詳細分析可製造性知識特點的基礎上，結合產品和零件的特徵表達和知識的一般表示方法，提出一種集成性可製造知識的表示方法，以提高檢索和調用效率，減少維護工作量。
  8. Through the analysis on the basic principles and steps of cross - database retrieval system, this paper probes theoretically into the factors of influencing the searching efficiency of cross - database system, and advances some improving measures

    通過分析跨庫檢索系統的基本原理與步驟，從理論上探討了跨庫檢索系統檢索效率的影響因素，並提出了改進措施。
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