查全率 的英文怎麼說

中文拼音 [zhāquán]
查全率 英文
recall level
  • : 查名詞1. [植物學] (山查) hawthorn; haw2. (姓氏) a surname
  • : Ⅰ形容詞1 (完備; 齊全) complete 2 (整個) whole; entire; full; total Ⅱ副詞(完全; 都) entirely...
  • : 率名詞(比值) rate; ratio; proportion
  1. Posteriori lists can also promote preciseness of retrieval. cv refines the semantic demands with cost - effective method

    后控詞表可改善用戶檢索的查全率
  2. 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較低」等缺點,引入了第二種檢索方法:基於詞表的檢索方法。
  3. The property of the recall - precision curve of a general retrieval algorithm and the k - means clustering method are used to realize the expansion according to the distance of image features of the initially retrieved images

    擴展主要利用了一般檢索演算法的查全率曲線特點,對原始詢結果的圖像特徵距離應用k -均值聚類演算法,確定多個詢示例圖像。
  4. Computer verifies its effect, and experiment results are exact and comprehensive

    試驗證明,能取得較高的查全率
  5. ( 2 ) the influence to classification result is highly effected by using different classifier, for example, the center - vector algorithm obtains better classification results than other two algorithms. with the character feature, the average recall is 80. 73 %, and the average precision is 82. 94 %, and with the chinese - word feature, the average recall is 83. 6 %, and the average precision is 85. 97 %. different corpuses influence the classification result. for example, the average recall is 89. 31 % and the average precision is 88. 33 %, by using the news web pages as corpus from the web site " www. sina. com. cn ", which adopt the center - vector algorithm to structure classifier and select chinese - word as feature

    對三種分類器分別以字、詞為特徵進行分類測試、分析發現:使用相同的分類演算法,用詞作為特徵項,比以字作為特徵的分類效果好;用不同的演算法構造分類器對分類效果的影響很大,如中心向量演算法在字、詞特徵下的分類效果優于其他兩演算法;在以字為特徵的情況下,該演算法的平均查全率80 . 73 ,平均82 . 94 ;在以詞為特徵的情況下,該演算法的平均查全率83 . 6 ,平均85 . 97 ;選用語料不同對分類效果也有影響,如用新浪網( www . sina . com . cn )網頁語料進行測試,使用中心向量法分類器和詞作為特徵的情況下,平均準確為89 . 31 ,平均查全率為88 . 33 。
  6. Influences of the choice of search term on recall ratio in information retrieval

    信息檢索中檢索詞的選擇對查全率的影響
  7. That can enlarge the retrieval area and advance the recall of searching engine

    以達到擴大檢索范圍,提高搜索引擎的查全率的目的。
  8. The experimental result has proved that the algorithm has higher recall and precision

    實驗結果證明了該演算法具有較高的查全率
  9. In information retrieval, recall and precision are regarded as two inter - constraint measures

    摘要在信息檢索領域,查全率是一對相互制約的指標。
  10. Experimental results show that it is obviously performs well both in in recall and precision

    實驗結果表明,提出的演算法明顯地提高了鏡頭突變檢測的查全率和準確
  11. Experiment is done to demonstrate that the method is more efficient and effective than the method before modified

    試驗證明這種方法比改進前的查全率要高。
  12. The experimental results demonstrate that the amqe technology can greatly improve the recall and precision of the original algorithms

    實驗結果表明該方法可以顯著提高原有檢索演算法的查全率
  13. The results of the experiment show that the two norms used for evaluating the classification algorithm : precision and recall are satisfying

    最後採用支持向量機對文本進行分類,實驗結果表明該系統查全率都較高。
  14. Third, the dissertation specifies the spatial join query processing based on service oriented architecture. two strategies are proposed. the first one, called the ssji strategy, can efficiently reduce the overall costs by precomputing and materializing the spatial semi join results

    最後,論文研究了空間數據服務發現問題,基於信息檢索理論,提出了基於集合模型和向量模型的服務發現方法,提高了服務發現的查全率
  15. The application of clustering into information filtering, to a certain degree, promotes the filtering efficiency of the system, and plays an active role in the examination of the precision and recall of the text. the indeterminacy and vagueness of natural language cause difficulty to nlp

    本質上,聚類屬於一種無監督的學習,將聚類技術應用於信息過濾中可以在一定程度上提高系統的過濾效,同時也對信息過濾的查全率有積極的作用。
  16. Through discussing such core technologies in the automatic processing of chinese information as automatic word segmentation, feature selecting and automatic representation of texts, the thesis makes some improvements and perfection on the current methods of automatic word segmentation and text space reduction of chinese texts, therefore improved their efficiencies and effects. with regard to the methods of text classification, the paper introduced two supervisory automatic classification methods of chinese texts based on multi - classification, i. e. fuzzy clustering and boosting, which settled the problem of low percentage of recall. through comparing the results of experiments with the two methods, an automatic classification system of multi - classification texts is constructed based on the boosting method, which received good effects in application and provides a good resolution to the problem of real - time classification of information

    通過對漢語信息自動處理中自動分詞、特徵提取、文本自動表示等核心技術討論,對目前漢語文本自動分詞和文本降維方法中的不足和缺陷作了改進,提高了分詞和文本分類的效和效果;在文本自動分類方法上,介紹了兩種有監督的基於多類的漢語文本自動分類處理方法? ?模糊聚類方法和boosting方法,解決了實踐中文本分類查全率不高的問題;通過對兩種方法的實驗比較結果,構建了基於boosting方法的多類文本自動分類系統,在實際應用中收到了良好的效果,較好的解決了信息的實時分類問題。
  17. Finally, the precisions and recalls of single feature, multi - feature integration and relevance feedback are calculated and compared

    最後分別給出基於單一特徵,特徵融合和相關反饋方法的查全率,並對試驗結果進行分析。
  18. Information processing and management, 1998, 24 : 513 - 523. 16 bruno n, chaudhuri s, gravano l. stholes : a multidimensional workload - aware histogram. in proc

    實驗表明, clascn不但極大地提高top - k演算法的執行效,而且能夠保證較高的top - k結果查全率
  19. This paper uses the authoritative data bank from all over the world to compare the undetected item that retrieval words of leakiness which flowed by " - " and greece alphabet in document retrieval, then discuss how to enhance the recall ratio and the precision ratio. by doing this, we can make more researchers to master the skill and let them to make contribution to scientific study

    本文利用國內外的醫學權威數據庫,將醫學文獻中帶「 ? 」和希臘字母的易漏檢檢索詞,通過檢索實例比較,探討如何提高查全率,以讓更多的科研人員掌握其檢索技巧,從而更好地為科研服務。
  20. By the automatic categorization, web pages is distinguishingly created into corresponding data bases according to category info, which improve recall and precision ration of chinese search engine. in the meantime, automatic categorization info resource is established to provide category message catalog for users. in addition, the quality of automatic categorization in some measure has positive effect upon sequent relativity sort process

    通過自動分類不僅僅可以將網頁按照類別信息分別建立相應的數據庫,提高中文搜索引擎的查全率,而且可以建立自動的分類信息資源,為用戶提供分類信息目錄,並且,自動分類的好與壞,對後面的相關性排序過程也有一定的積極作用。
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