retrieval index 中文意思是什麼

retrieval index 解釋
檢索索引
  • 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。
  • index : n (pl es dices )1 索引。2 指標,標準,標志。3 示[食]指 (=index finger)。4 指數。5 【印刷】指...
  1. 3. the concept retrieval method based on unionization has been put forward and studied. xmarc theme classification has been researched and designed by the theme category index

    3 .提出了xmarc主題分類與主題詞族的,體化概念檢索方法,研究了抽取主題范疇模式以實現主題分類檢索,通過語義知診沐
  2. To improve understanding of the processes of heterogeneous land surface - atmosphere interaction, the utilization of satelli te remote sensing is indispensadle. in this paper, with the aid of satellite remote sensing and fiend observational data which observed during intensive observation of huaihe river bain energy and water cycle experiment hubex in 1998, the surface albedo, ndvi normalized difference vegetaton index and surface temperature in regional scale of hubex could be derived. then, the distribution of regional energy balance components could be estimated. this wor provided the physical foundation for the numerical simulation of the huaihe river basin energy and water pro cesses, and is important for us to further analyze the regional distribution of surface characteristic parameters ad energy balance components with the change of the weather situation in hubex in 1998. our work is still in a developing stage, some methods of retrieval in the paper should be improved further

    利用1998年淮河流域加密觀測試驗hubex iop期間的資料,進行淮河流域能量平衡的參數化方案的研究,用noaa衛星的avhrr資料建立了試驗區地表特徵參數及能量平衡各分量的參數化方程,並對衛星遙感反演結果和試驗觀測值進行了對比,為淮河流域能量和水循環的數值模擬提供了物理依據。
  3. Because of considerable storage space and larger index database, higher rate in the full searching and the lower rate in the exact searching, the article demonstrates a new retrieval method based on the phrase list

    然後針對該演算法存在的「索引庫較大、匹配速度不高和查全率較高而查準率較低」等缺點,引入了第二種檢索方法:基於詞表的檢索方法。
  4. Research on dynamic index technology in full text retrieval

    全文檢索系統中動態索引技術的研究
  5. This will improve the efficiency of record retrieval significantly since information can be accessed easily by multi - users simultaneously, setting aside the need to prepare duplicate copies. the use of file jackets, minute sheets, a4 size paper, file index cards and log books will be greatly reduced

    由於多名使用者可以輕易地同時閱覽資料,故能顯著提升翻查紀錄的效率,不必再存備復本,而文件夾錄事頁a 4紙檔案索引卡及紀錄冊的使用量將可大為減少。
  6. Access plan directives that force the optimizer to use the designated access method for data retrieval, either sequential scan or index scan

    訪問計劃指示,強制優化器使用指定的訪問方法進行數據檢索,要麼是連續掃描,要麼是索引掃描。
  7. The key technology related includes website topological structure analysis, webpage content analysis and subject analysis and index. the research is launched for offering service of automatic searching websites. according to the above - mentioned research purposes, this thesis firstly analyzed the system architecture of intellectual website ' s retrieval

    基於主題標引的智能網站檢索( themeindexingbasedwebsiteretrival , ttwr )便是以主題網站( single - themewebsite )為檢索目標,結合網站拓撲結構等特有的相關特徵,以主題分析標引技術為核心,為提供自動化的網站檢索服務而開展的相關技術研究。
  8. The research on website retrieval will be benefited from the solution of subject analysis, index and retrieval put forward in this thesis. it can avoid the conflict between multi - needs of user and the single - structure of categorization, while overcame some questions that may appear in the traditional information retrieval mode and can offer a series of particular themes tracing and searching service

    本文提出的網站主題分析、標引與檢索技術為網站檢索提供了新的解決方案,提供了更適于傳統信息檢索模型與用戶檢索習慣的標引技術,使之避免了傳統分類問題中構建類別體系的單一性與用戶需求的多樣性之間的矛盾,克服了傳統信息檢索與分類模式中可能出現的部分問題,可以提供一系列特定主題的跟蹤、檢索服務。
  9. 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。
  10. In or der to im prove the index precision, the keywords of classification on im age database is used for for m ing a three - level sem a ntics network, and then a unified fra m ework for sem a ntics and feature based relevance feedback in region - based im age retrieval is described, which is experim e nted by irrelatively adjusting the keywords and the weights in the distance m easuring

    根據檢索要求,應用圖像庫的分類關鍵字建立圖像語義網路,採用一種綜合圖像中多數區域特徵的匹配策略,以及建立區域語義和低層特徵無縫結合的相關反饋檢索框架,通過不斷調整檢索關鍵字、檢索向量與距離測度中的權重系數的方法提高檢索準確度。
  11. This mechanism of video index is based on invert index, which is similar to the one used in traditional document retrieval. 4

    該結構與文檔中倒排序方法相結合,提出了一種基於mpeg - 7標準的倒排索引機制及其索引建立演算法。
  12. 5 、 the retrieval system adopting the algorithm could search for world wide web pages in school. the search engines could be classified front searching engines and meta searching engines : the meta one get web document, then slice the word, establish and update index ; the front one extract the content of the index library, provide the users query service

    5 、設計了校園網內web頁面的搜索引擎,該引擎的主要特點是:將搜索引擎主要分為前端和後端,後端獲取web文檔,然後分詞,建立和更新索引;前端提取索引庫中的內容,向客戶提供檢索服務。
  13. The center index block holds important information for the sense of human ' s eyes ; moreover, it is also the important texture information among i - frames. therefore, it will play a key role to retrieval too

    由演算法可知,中心索引塊保留了人眼所能感知的重要信息,同時也是i幀間相關的重要紋理信息,因此,它對檢索也將起到非常關鍵的作用。
  14. This paper discusses the design of evaluation index system for network information retrieval results from 4 aspects, such as information representation, information retrieval result, information retrieval function and user effort

    摘要本文從網路信息表示、網路信息檢索結果、網路信息檢索功能、網路用戶負擔四個角度探討網路信息檢索效果評價指標體系設計。
  15. Unordered node retrieval by name or index

    按名稱或索引檢索未排序節點
  16. Ordered node retrieval by index

    按索引檢索已排序節點
  17. This property is overloaded to allow retrieval of cookies by either name or numerical index

    對象。重載此屬性以允許按名稱或數字索引檢索cookie 。
  18. Therefore, the task of the query optimizer is to select an index, or combination of indexes, only when it will improve performance, and to avoid indexed retrieval when it will hinder performance

    因此,查詢優化器的任務是只在索引或索引組合能提高性能時才選擇它,而在索引檢索有礙性能時則避免使用它。
  19. Report retrieval index

    報告檢索index
  20. Content - based image rrtrieval ( cbir ) is a kind of retrieval, which derictly use content of an image for information search, it is one of most active researches in multimedia retrieval field. in order to analysis the informations included in an image, the cbir system always ultilize the color, texture, shape and other low level image features. to establish the feature vectors as retrieval index. in present time, the main cbir method is similiarity search based on multi - dimension feature vector of image

    基於內容的圖像檢索( cbir , content - basedimageretrieval )是指直接採用圖像內容進行圖像信息查詢的檢索。基於內容的圖像檢索技術是當前多媒體檢索研究的熱點之一。基於內容的圖像檢索方法,其主要思想是根據圖像所包含的色彩、紋理、形狀以及對象的空間關系等低層圖像特徵來分析圖像信息,建立圖像的特徵矢量作為其索引,檢索方法目前主要是根據圖像的多維特徵進行相似查詢。
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