dhp 中文意思是什麼

dhp 解釋
9,10-二氫化菲
  1. In sequential pattern, we describe mfr and the algorithm on how to find frequent access paths. in mining association rules, we introduce famous apriori algorithm and propose the optimized dhp algorithm with hashing

    在關聯規則的挖掘中，深入的分析了經典的apriori演算法，並運用哈希技術改進它得到dhp演算法，其中詳細闡述了該演算法改進的思路。
  2. The kowloon health newsletter is a periodical bulletin of the district health promotion ( dhp ) of kowloon regional office

    九龍健康快訊是九龍區辦事處地區健康推廣的一本定期?物。
  3. Because of the characteristics of the history case data and requirement of the association rules mining, we use a dhp algorithm with additional constrains and composite items, integrating the temporal relations of indeterminate periods, to mine interesting association rules

    由於病歷數據的特點和關聯規則挖掘的要求，採用附加約束並包含復合項的dhp演算法，結合不確定時間區間的時態關系，挖掘出有意義的關聯規則。
  4. Based on the fact of generating the synthetic data using poisson distribution function and exponential distribution function, the performance of hy algorithm and the comparison among hy algorithm, apriori algorithm and dhp algorithm is experimented. these experiments include the one that compares the execution time using variant synthetic data and variant minimum supports, and the scale - up one that compares the execution time using variant transaction number and variant item number in synthetic data. finally the results of the experiments are analysed

    在構造基於泊松分佈函數和指數分佈函數的合西南交通大學碩士研究生學位論文第iii頁成數據的基礎上，對hy演算法的性能及其與apriori演算法和dhp演算法的比較進行了實驗，這些實驗包括針對不同的合成數據和不同的最小支持度，對各演算法的執行時間進行比較的實驗以及針對合成數據的不同的事務數和不同的項數對各演算法的執行時間進行比較的規模實驗，並對實驗結果進行了分析，反映出hy演算法具有良好的性能。
  5. In the study on level wise search algorithm, the structure and character of three basic frequent set discovery algorithms ais, apriori and dhp are studied by simulation. a model of level wise search algorithm is given and its time complexity is analyzed respectively on transaction scale, item length and support parameter

    在分層搜索演算法的研究方面，本文模擬分析了ais 、 apriori和dhp三種基本演算法的結構和特點，構造了一個分層搜索演算法的時間復雜度模型，從事務規模、數據項平均長度和支持度三個方面，對分層搜索演算法的時間復雜性進行了分析和驗證。
  6. 3, taking the " digital house property ( dhp ) " as the example, the paper has a try on the technical methods in semantic sharing of gis. this paper, combined he construction emphasis of sharing platform in dhp, explores the essence of semantic share of gis and its realizing strategies. three aspects are emphasized here : ( 1 ) integration of msds database based on the sharing platform of gis ; ( 2 ) share of metafile under different gis platforms with the semantic standards of sharing metafile ; ( 3 ) auto or half - auto building of spatial relationships according to rule and knowledge databases

    3 、以「數字房產」的建設為例從技術手段對實現gis語義的共享進行了實踐，論文結合「數字房產」共享平臺的建設重點對gis語義共享的實質及其實現策略進行探索，重點做以下三方面內容的研究：門）通過建立gis共享平臺實現對多源空間異構數據庫的整合； （ 2 ）通過共享圖元語義標準，實現不同gis平臺下的圖元共享； （ 3 ）通過規則庫和知識庫實現空間關系的自動半自動生成。
  7. Second, based on the advantages of the traditional transaction reduction methods and the defects of the transaction reduction technique in dhp algorithm, an optimized transaction reduction technique is proposed and at the same time its operational principles and realizable steps are analysed and studied in detail

    事務壓縮技術部分在集合傳統壓縮方法優點的基礎上，針對dhp演算法中事務壓縮技術的不足，提出了更優的事務壓縮方法，並對該方法的操作原理和實現步驟進行了詳細地分析和研究。
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