relation database 中文意思是什麼

relation database 解釋
關系數據庫
  • relation : n 1 說話,敘述,報告;故事。2 關系,聯系;〈pl 〉(利害)關系,交情;〈pl 〉國際關系。3 親戚關系...
  1. In the preprocessing stage the method of user and session identification often adopt heuristic algorithm for the being of cache and agent. this induce the uncertainty of data resource. the cppc algorithm avoid the limitation and has no use for complicated hash data structure. in this algorithm, by constructing a userld - url revelant matrix similar customer groups are discovered by measuring similarity between column vectors and relevant web pages are obtained by measuring similarity between row vectors ; frequent access paths can also be discovered by further processing of the latter. experiments show the effectiveness of the algorithm. in the fourth part, this thesis bring some key techniques of data mining into web usage mining, combine the characteristic of relation database design and implement a web usage mining system wlgms with function of visible. lt can provide the user with decision support, and has good practicability

    本文演算法避免了這個缺陷,且不需要復雜的hash數據結構,通過構造一個userid - uel關聯矩陣,對列向量進行相似性分析得到相似客戶群體,對行向量進行相似性度量獲得相關web頁面,對後者再進一步處理得到頻繁訪問路徑。實驗結果表明了演算法的有效性。第四是本文將傳統數據挖掘過程中的各種關鍵技術,引入到對web使用信息的挖掘活動中,結合關系數據庫的特點設計並實現了一個具有可廣西人學頎士學位論義視化功能的web使用挖掘系統wlgms 。
  2. A fuzzy image data model and a concept of fuzzy space are proposed, in which model visual feature, spatial feature and semantic feature are used for super feature in order to utilize advantage of traditional relation database as well as characteristics of image data and fuzzy retrieval. based fuzzy space, a method of similarity measurement of image is presented to support fuzzy features - based image retrieval and satisfy user ' s query requirement for image. in the thesis, a semantic template and the mechanism of dynamic relevant feedback are defined so that it can express user ' s query semantic and improve retrieval precision and useable capability for image retrieval

    研究了模糊檢索方法和相關反饋機制在圖象檢索中的應用,提出了一種模糊圖象數據模型和模糊空間的概念,該模型將可視特徵、空間特徵、語義特徵看作超屬性,既充分利用了傳統關系數據庫的優點,同時又考慮了圖象數據以及模糊查詢的特點,文中提出的模糊空間和模糊相似性度量方法能支持基於模糊特徵的圖象查詢,較好地體現用戶圖象查詢的應用需求,文中定義的語義模板和相關反饋機制能在一定程度上表達用戶的查詢語義,提高圖象檢索的準確率和易用性。
  3. The main content of this paper as follows : designing cartype tracing model using relation database theory based on pbs friction transportation

    論文主要內容如下:根據pbs摩擦輸送線的特點,利用關系數據庫理論設計車型跟蹤模型。
  4. With oriented object rapid develop tool c + + buiider 5. 0 and relation database management system ms sql server 7. 0 and visual reality manufacturing language, database, ole, asp and so on, develop the auto - inner visual reality environment and interactive design system. the conclusions are made and future study areas are expounded at last,

    基於研究的成果,利用面向對象的快速開發工具c + + builder5 . 0和關系數據庫管理系統mssqlserver7 . 0以及虛擬現實構造語言vrml ,綜合應用數據庫、 ole和asp等技術開發了面向客戶的汽車內飾擬實環境與互動式設計系統。
  5. Requirements analysis, system frame design, algorithm design, code compile and software test of protection setting verifying and analysis system of sub power system are all accomplished. main research work of this paper is concentrated on three respects : ( 1 ) knowledge expressing of mathematic model and physics model of power system using relation database and object oriented language, ( 2 ) new methods of in - substation topology and net topology analysis based on topology of hierarchical model, ( 3 ) father research of protection coordination considering difference of protection setting verifying and fixing

    論文提出了進行保護定值在線校驗的意義和方法,並按照軟體工程的規范化開發的要求,完成了滄州地區電網保護定值在線校驗分析系統的需求分析、系統框架設計、演算法設計、代碼編寫和軟體測試的大部分工作,主要的研究工作集中在: ( 1 )利用關系數據庫和面向對象語言對電網進行物理模型和數學模型上的知識表示。
  6. Finally, how to manage this active fuzzy database is discussed. two structures, arrangement structure and module structure, of this database management system are given. and several kinds of channels of actualizing active fuzzy relation database system are discussed

    最後,本論文討論了如何對主動模糊數據庫進行管理,並給出了此數據庫管理系統的兩種結構? ?層次結構和模塊結構,探討了主動模糊關系數據庫系統的幾種實現途徑和技術選擇。
  7. Second, fuzzy events regulation base and the way which adopting the mode of fuzzy relation database to actualize active character is presented in this thesis. then, the active fuzzy relation database language is discussed, and the differences between database language and program design language, which describe the radical difference of the active quality between in this database and in the applied program are distinguished

    其次,本文探討了主動模糊關系數據庫語言,將數據庫語言和程序設計語言作了區別,說明了本數據庫的主動性與通常在應用程序中實現的主動性有著根本的不同,並分別給出了模糊數據庫語言、模糊規則語言、主動模糊關系數據庫程序設計語言的模式,然後通過實例說明了這些語言模式的具體應用。
  8. Virtual ontology data source shields the detail of low - leveldatasource, andprovides aconsistentaccessinterfacefortopperusers. wediscussedthemethodof transforming relation database to virtual ontology data source ( which is also called databasedeep annotation ). we designed the database schema description language and mapping rulesdescriptionlanguage, andgavearesolventforrelationmodeling. at last, we bring out a framework of general natural language interface, and implement adatabasenaturallanguageinterface. makinguseofaspecificexample, wemadeanevaluationofthissystem

    我們具體討論了從關系數據庫系統到虛擬本體數據源的轉換(也稱為數據庫深度註解) ,定義了關系數據庫的結構知識描述語言和通用的映射規則描述語言,給出了多元關系建模的解決方案。
  9. Besides, this paper has studied key technology of workshop job management system the modeling of directed - graph with weight which bases on the bom of product 。 this model can be very easy to implement in the relation database and offers the foundation for system integration of mrpii / cims / erp

    同時,本文研究了車間作業管理的關鍵技術? ?產品bom的賦權有向圖模型,該模型可以很容易在關系數據庫中實現,為mrpii / cims / erp系統集成提供了基礎。
  10. Research technique ' s development and possess level about database, apply mature relation database construct pdm system ' s electron warehouse, establish foundation for other function module

    研究數據庫技術的發展和目前具備的水平,應用成熟的關系數據庫構建中國船舶重工集團七一六研究所pdm系統的電子倉庫的數據結構,為其它功能模塊的實現奠定基礎。
  11. The tool of the relation database is access2000 and the tool of the program is visual basic6. 0, the microsoft jet engine and the activex data object ( ado ) provided by the visual basic access the access2000 database

    使用access2000作為其關系數據庫開發工具,建立了用戶管理數據庫、分類鑒定數據庫和標本管理數據庫三個數據庫,並對部分數據進行了代碼優化。
  12. Founding on the successful design for the information management system of assembly testing of vehicle of nanjing automobile research institute, the author concentrated this paper on the process of establishment of the system, in which the method of object - oriented system analysis has been used for the abstraction of object model, and the relation database based on the model has been constructed according to the demand analysis

    作者在研製開發南京汽車研究所總成試驗信息管理系統的基礎上,重點闡述了根據需求分析,運用面向對象的系統分析法,建立總成試驗信息管理系統的對象模型,進而構建總成試驗信息關系數據庫,實現總成試驗信息計算機管理的過程。
  13. The whole system have been test using, from the actual application result, the system can run stably and reliably, reach to the effect anticipative. its characteristic is, multithread, tree structure, simply database, a lot of relation database, transferring messages by database between threads and accomplish all kind of electrical collection, dealing with and sending fast, exact and automatic. it has great potential

    本系統的特點為,採用多線程、利用樹狀結構、數據表簡單不冗餘、充分利用關系數據庫、多線程間通過數據表傳遞信息,能快速、準確、自動地完成各類電能表計量信息的採集處理和傳輸,運行可靠性高,具有良好的發展潛力。
  14. In our paper, we describe design pattern formally at first. secondly, we organized the describe of design pattern and frequently - reused solution effectively, and store all of them in the relation - database

    本論文對disco語言擴充了設計模式靜態結構方面和行為語義方面的描述,提出了一種新的模式形式化描述技術? ?擴展的disco形式化描述語言。
  15. Firstly, object - oriented programming method and relation database technology are used to realize protective information management, with a multiple tires " client / server architecture. using it, the technical staffs can check all kinds of reports, fault waves and setting values of protection. secondly, based on protective principles of ta21 series protection devices, protective function is simulated by using object - oriented technology

    首先,本文將面向對象方法和關系數據庫技術結合起來,採用psmis的多層客戶?服務器體系結構實現對保護信息的管理,以便供電段技術人員查看保護裝置的整定值、各種報告、故障錄波(系統不僅能顯示波形,還能動態顯示波形每一點的峰值、有效值、相位,甚至阻抗值及阻抗角、諧波含量等) 。
  16. The feature of xrdb system is follow : the relation of xml element and it ' s son is keeped by relation - dictionary, as the same time the relation - dictionary keeped the element attributes, content and their corresponding in relation database. in order to get the more efficiency relation table, the dom tree of xml schema is trimed for getting orderliness xml schema. for efficiency rewrited path expression into sql, the relation dictionary keeps every xml element ' s absolute path

    Xrdb系統的主要特色有:用關系字典保存xml元素的父子關系,元素的屬性,內容以及它們對應的關系數據庫表名,列名;對xml模式的dom樹進行修剪,使xml模式整潔,從而使映射得到的關系的更合理;關系字典保存了每個元素的絕對路徑,可以快速地把路徑查詢重寫為結構化查詢; xrdb的查詢結果是原來xml文檔的文檔片段。
  17. Traditional mixed data model, which manages special data in the form of files and manages attribute data in the form of relation database, is adopted during building special database ( attribute database vector and grid database ) which is the nucleus of the data bank

    數據庫中的核心部分?空間數據庫(屬性數據庫與圖形圖像庫)採用傳統的混合數據模型,以文件的形式管理空間數據,以關系數據庫管理屬性數據。
  18. The system adopts spatial data model based on the vector data model ; topology relation model uses spatial data model combined with spatial data index ; and makes use of relation database to save spatial entity data

    本系統採用基於矢量數據模型的空間數據模型;拓撲關系模型採用空間數據模型與空間數據索引結合;採用關系數據庫存儲空間對象數據。
  19. Based on the top module man - machine interface and the bottom module database, the other modules are linked between the two modules to accomplish different functions. this paper analyses the data related to the protection calculation, designs and realizes the database of this system via relation database design ' s method. by object modeling technique ( omt ), the meta graphics of devices in power plant are modeled into three types by different aspects, which are object model, dynamic model and functional model

    本文分析了發電廠保護整定涉及的數據,並用關系數據庫的設計方法設計和實現了系統的數據庫;用面向對象建模的方法為發電廠的設備圖元從三個不同的角度建立了對象模型、動態模型和功能模型,並且用c + +語言實現了這些模型;在定值單模塊的開發中,使用了通用數據報表工具excel ,並且用xll加載宏技術擴展其功能,實現了動態數據報表;為保證數據的安全性,系統為用戶提供了統一的數據維護界面。
  20. Firstly, based upon thoroughly researching and analyzing maintenance, we classify statistical data. by the theory of relation database, we establish some tentative databases including : dynamic measurement, railway equipment, maintenance data, etc on

    首先,本文在對線路維修工作進行充分調查的基礎上,對線路維修工作中的相關數據進行了分類、統計。
分享友人