挖掘效率 的英文怎麼說

中文拼音 [wājuéxiàolǜ]
挖掘效率 英文
digging efficiency
  • 挖 : 動詞（用工具或手從物體的表面向里掘取） dig; excavate; scoop
  • 掘 : 動詞（刨; 挖） dig
  • 效 : Ⅰ名詞（效果; 功用） effect; efficiency; result Ⅱ動詞1 （仿效） imitate; follow the example of 2 ...
  • 率 : 率名詞（比值） rate; ratio; proportion
  • 挖掘 : excavate; unearth; dig; tap; grub; hoe; grave
  • 效率 : productiveness; efficiency; productivity; workpiece ratio
  1. Feature selection, as a preprocessing step to data mining, is effective in reducing dimensionality, removing irrelevant data, increasing learning accuracy, and improving result comprehensibility

    屬性選擇作為數據挖掘過程中的一個重要步驟可以有效地降低特徵維度，去除不相關屬性，提高模型準確率以及增加模型的可解釋程度。
  2. It become practical significance and a vastitude foreground to abstract useful knowledge, construct adaptive web site, improve efficiency of www with web mining intellectively and automatically based on the latest researched results, this paper discuss the content, characteristics and processes of web usage mining

    因此，採用web挖掘智能地、自動地提取出有價值的知識，構建自適應網站，提高www的效率，具有十分重要的現實意義和廣闊的應用前景。基於國內外最新研究成果，論述了web使用挖掘的內容、特點和挖掘過程。
  3. At the moment, the thing is plans compiled by hand have a low quality and are effected by factitious factors. the execution of adms can not only improve the station organization and the level of the management but also accelerate the modernization of work which can make out good plans, make full use of the device of station, improve the accuracy coefficient of passenger trains and as a result the whole level of railway organization is to be lifted, the modernization of railway system management is to be accelerated at the same time both the economic and social efficiency are to be improved

    現行手工編制不但勞動強度大，而且受許多人為因素的影響，編出計劃的質量得不到保證，所以客運站站調輔助決策管理系統的建立，不僅可以提高車站工作組織和車站技術管理水平，促進車站工作組織與管理現代化，從車站內部盡可能實現作業計劃優化，挖掘車站潛力，提高旅客列車正點率，而且可以提高鐵路運輸組織水平，促使鐵路車站管理手段的現代化，從而提高鐵路運輸的經濟效益和社會效益。
  4. Coding of audio - visual objects - part 2 : visual. iso iec 14496 - 2 mpeg - 4 visual version 1, 1999. 9 lakhani g. optimal huffman coding of dct blocks

    Cavlc熵編碼器採用上下文技術挖掘塊內系數的相關性，獲得了較高的編碼效率，但其設計來源於對4x4塊進行編碼。
  5. On the one hand, comparing with the limited supply capacity of higher education, people ' s demand for higher education is excessive, so the total demand for higher education must be cut down by a regulation on construction ; on the other hand, the education fund is short, but there is simultaneously inefficient, so we have to advance hardly the efficiency of using fund, to increase educational supply as possible

    一方面，相對于有『限的高等教育供給能力，我國老百姓對較高層次教育的需求過高，因此必須以結構性調整為手段壓縮教育總需求;另一方面，在教一育經費不足的情況下，存在經費使用效率不高甚至明顯的浪費現象，因此必須努力提高資金使用效率， ，挖掘潛力，盡可能增加教育供給。
  6. In order to make the agriculture and rural economy of this area keep on fast, persistent and stable developing, it must be on the basis of controlling soil erosion and improving eco - environment, and on the advanced science and technology to combine enhancing yields of main farm product with increasing peasant ' s incomes, to support resource exploitation, and to raise technical level of agriculture industry

    從渭北旱原資源開發歷史和經驗中可得出，該區域實現農業和農村經濟持續發展的途徑和措施是：以提高水資源利用效率為中心，以挖掘資源潛力、充分發揮資源優勢為基礎，以科技進步為先導，著力提高農業產業技術水平，以控制水土流失、改善生態環境為前提，把增加重要農產品產量與增加農民收入統一起來。
  7. Based on integration of " high yield & benefit and good grain quality of modeled cultivation of foodstuff crop ( rice ) and its consultation system ", this thesis sets it ultimate goal to deal with the knowledge discovery in the consultation system of simulation - optimization decision making in quality and high - yielding rice cultivation. after a close study of the features of the database in rice cultivation, this thesis introduces the system engineering theory of agent aralysing and designing and offers a practical new way to promote the intelligence of the knowledge discovery system in rice cultivation database, to improve the efficiency of data mining and the human - computer interactive ability to realize the integrated knowledge - based combination between human and computer or among the sub - systems

    本文以廣西「糧食作物（水稻）兩高一優模式栽培技術集成與咨詢系統研究」為背景，以基於專家系統（ es ）的水稻優質高產栽培模擬優化決策咨詢系統的知識獲取問題為導向，針對水稻栽培數據庫的特點，從系統工程角度引入面向agent的分析與設計思想，提出一種用多agent從水稻栽培數據庫中發現知識的人機合作、半自動的知識獲取方法，實現利用多agent的自主性、反應性和社會性，提高水稻栽培數據庫知識發現系統的智能水平、數據挖掘效率和人機交互能力，實現人機之間、各子系統之間基於知識的柔性綜合集成，為水稻栽培知識發現提供了一條新的可行途徑。
  8. Experiment illustrates that the method is simpler and more flexible, efficient and useful, compared with the previous methods

    實驗結果表明，與傳統的方法相比，該演算法極大地提高了挖掘效率。
  9. Experimental results indicated that the proposed method has improved the efficiency of customer temporal sequence association rule mining

    實驗結果表明，所提出的方法能夠提高客戶時序關聯規則的挖掘效率。
  10. So this provides a method for problem of patterns " time - efficiency. this new system improves the efficiency of data mining and shares data - mining results

    通過增加這樣一個新的系統就為數據挖掘結果的共享及數據挖掘效率的提高提供了一種新的途徑。
  11. The definitions and properties of fuzzy constraint are discussed, and based on its properties, the spaces of itemsets and transactions are pruned, thus improving the mining efficiency

    討論了模糊約束的定義和性質，並根據其性質對項集空間和事務空間進行剪枝，以提高挖掘效率。
  12. The extractors can extract specific data for some data mining algorithms. so, it can avoid of same queries to the database, and improve data mining efficiencies. 2

    該模型利用標準的sql語言構造數據抽取器，為不同的學習演算法準備數據，可以加快知識發現過程，提高數據挖掘效率。
  13. Experiments showed that the new method can mine mdcar with good efficiency and high precision and improve the performance, in certain case, 10 ~ 1000 times higher than that without negative select strategy

    實驗表明，新方法能夠高效、準確地挖掘多維復雜關聯規則；在一定條件下，新方法的否定選擇策略可將挖掘效率提高達1 ~ 3個數量級。
  14. The searching space of frequent temporal sequence patterns could be reduced and the efficiency of association rule mining could be improved by projecting frequent items in time windows to prefix projected accumulation trees

    將時間窗口內頻繁項的信息映射到前綴映射累加樹中，以降低頻繁時序模式的搜索空間，提高時序關聯規則的挖掘效率。
  15. Secondly, aiming at the characteristics of e - business, this paper studied the data cleaning step of data pre - processing and proposed new method of data cleaning which can improve the efficiency of association rule mining algorithm

    本文針對電子商務環境的特點，研究了數據準備中的數據清理步驟，提出了新的可以提高挖掘效率的清理方法。
  16. The results showed that th ere were no differences of burrowing behaviors and the efficiencies of the excav ating segment between male and female, except the digging duration of the male w as longer than that of the female in the same soil

    結果表明，在相同的硬度條件下，雌雄動物的挖掘行為格局和挖掘效率基本相同，但是雄性動物挖掘所持續的時間明顯高於雌性動物。
  17. The algorithm improves the efficiency greatly by complex spatial computing and analyzing to gain the association between spatial attributes, accordingly, it avoids the complex process of gaining frequent itemsets

    這種演算法有效地利用了gis中的空間分析技術，較好地處理了空間數據間的空間關系，通過復雜的空間計算和分析求得空間屬性之間的關聯規則，大大提高了挖掘效率。
  18. How to handle these attributes affects the mining results and the efficiency. the dissertation proposes the methods of changing the quantitative attributes into bool attributes, so that many algorithms can be used, based on enhanced fcm and the genetic method

    （ 2 ）在分散式挖掘過程中，分散式數據庫中存在著大量的數量屬性，這些數量屬性的處理好壞，直接影響著關聯規則的挖掘效果和效率。
  19. After that, we designed a new data model, called inter - related successive trees irst, to find frequent patterns from multiple time series without generation lots of candidate patterns. experiment illustrates that the method is simpler and more flexible, efficient and useful, compared with the previous methods

    在挖掘演算法實現上，根據序列特徵模式的有序性和重復性，提出了一種無須生成大量的候選模式集的互關聯后繼樹挖掘演算法，極大地提高了挖掘效率。
  20. The first chapter in this paper provides a survey of data mining technology, and explains basic concepts, function and the whole framework of data mining and difficulties in developing and some future directions in association rule generation ; the second chapter introduce the basic concepts, brings forward a classification of association rule ; the third chapter give a deep research on algorithms of every kind of association rule, include mining single - dimensional signal - level association rule and multidimensional multilevel association rule, it describes these algorithm, point out some method to optimize this algorithm and test its quality with experiments ; the fourth and fifth chapter introduce the designs about association rule mining system basing on relation database visual foxpro in detail : according to system frame of the association rule mining, actualize a new mining algorithms and analyses every function module of program, at last further analyses the left problems in designs

    本論文第一部分對數據挖掘技術進行了總體介紹，說明了基本概念、功能和系統總體框圖以及發展中的難點和研究方面；第二章對關聯規則基本概念的進行了介紹，提出了關聯規則的分類方法；第三章探討了挖掘各種關聯規則的演算法，從挖掘單維單層布爾關規則的經典的apriori開始，分析了挖掘單維、多層關聯規則的演算法，多維關聯規則的演算法到多維多值屬性關聯規則的演算法。文中提出演算法優化方法，並對其性能進行了實驗測試；第四部分、第五部分詳細介紹了基於關系型數據庫的關聯規則挖掘系統的設計構思，根據關聯規則挖掘系統結構框架，實現了基於visualfoxpro的關聯規則挖掘系統，其于採用了一個新型的基於關系數據庫的關聯規則挖掘演算法，提高了挖掘效率，並詳細分析了程序設計的各個功能模塊，最後就設計中遺留的問題進行了進一步的分析。
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