查準率 的英文怎麼說

中文拼音 [zhāzhǔnlǜ]
查準率 英文
precision coefficient
  • 查 : 查名詞1. [植物學] （山查） hawthorn; haw2. （姓氏） a surname
  • 準 : Ⅰ名詞1 （標準） standard; guideline; criterion; norm 2 （目標） aim; target Ⅱ動詞1 （依據; 依照）...
  • 率 : 率名詞（比值） rate; ratio; proportion
  1. However, the overabundance of old and new information, and rapid emergence of web - based search engines have generated a great amount of redundant search results and affected the efficiency and accuracy in terms of users " search efforts

    然而，新舊信息的交織和網路檢索工具的層出不窮，導致了用戶檢索出大量冗餘信息，也增加了用戶識別信息的負擔，更影響了用戶的信息查準率和檢索速度。
  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。
  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準率查全率曲線特點，對原始查詢結果的圖像特徵距離應用k -均值聚類演算法，確定多個查詢示例圖像。
  4. Analysis on web page searching technique based on precision

    基於查準率的網頁信息搜索技術研究分析
  5. Computer verifies its effect, and experiment results are exact and comprehensive

    試驗證明，能取得較高的查準率和查全率。
  6. ( 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 ，平均查準率82 . 94 ；在以詞為特徵的情況下，該演算法的平均查全率83 . 6 ，平均查準率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，平均準確率為89 . 31 ，平均查全率為88 . 33 。
  7. 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與查準率。
  8. In information retrieval, recall and precision are regarded as two inter - constraint measures

    摘要在信息檢索領域，查全率與查準率是一對相互制約的指標。
  9. 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準率和查全率要高。
  10. 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和查準率。
  11. 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準率和查全率都較高。
  12. 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和查準率。
  13. 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率，同時也對信息過濾的查準率與查全率有積極的作用。
  14. And we analyze the query time and the precision ration

    然後我們對系統的查詢時間和查準率進行分析。
  15. The experimental results show that this approach can greatly improve the flexibility and accuracy of retrieval systems

    實驗結果表明，該方法不僅極大地增強了檢索系統的靈活性，而且具有較高的查準率。
  16. By compare to common search engine, we proved that this system is better than common search engine in precision ration

    通過和一般的搜索引擎的對比，我們證明了該系統在查準率上對於一般的搜索引擎而言有著明顯的優越性。
  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準率和查全率，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演算法的執行效率，而且能夠保證較高的top - k結果查全率和查準率。
  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和查準率，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和查準率，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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