temporal database 中文意思是什麼

temporal database 解釋
時間數據庫
  • temporal : adj 1 暫時的，一時的，轉瞬間的（opp eternal）。2 此世的，現世的；世俗的（opp spiritual）。3 時的...
  1. The paper is mainly based on geography, ecology, sight ecology, region location theory and system theory. by interpreting the mss remote sensing image of 1970s and the tm remote sensing image of 1980s and the end of 1990s in keerqin sandlot based on background database and expert information, we have achieved the three periods vector data of land desertification of the research area, then we have disposed the data property by using the powerful spatial analysis function of arc / info and achieved the information extraction and analysis supported by arcview and erdas imagine. thus the rule of temporal and spatial variation of land desertification in keerqin sandlot is researched and the blueprint and countermeasures of the prevention and treatment of land desertification in keerqin sandlot are put forward

    本研究主要以地理學、生態學、景觀生態學、區位論和系統論為主要理論支持，通過對科爾沁地區20世紀70年代的mss遙感影像、 20世紀80年代和90年代末tm遙感影像進行基於背景數據庫和專家知識的解譯，獲得科爾沁研究區土地沙漠化的三期矢量數據，利用arc / info軟體強大的空間分析功能對屬性進行處理，並在arcview 、 erdasimagine軟體的支持下進行信息提取與分析，研究了科爾沁沙地土地沙漠化時空變化的規律，提出了科爾沁沙地土地沙漠化防治的構想與對策。
  2. Adopting the temporal information processing technology, the newly hrms based on temporal database is introduced which records the evolution ' s information about things in " waste book " that is a real data list, which not only provides information about things at any time, but also do comparing the past, the current, the future of things

    基於時態數據模型的人力資源管理系統能夠管理時態數據。時態數據記錄了事物發生發展的歷史，反應了事物發展的本質規律，為動態分析和預測提供豐富的數據，能進行過去、現在、將來的對比分析和預測。
  3. In addition, it puts forward a nested temporal db, which, with stronger expressive ability than others, is a breakthrough to entity - relationship model and is referred to as nter model. it also verifies the expressive ability of nter when it is applied to sidss. finally, in view of the features of sidss and the current status of salary distribution system, it conducts initial study of the sidss based on temporal - spatial relationship and the sidss with a temporally - driven knowledge database, with the aim for us to develop a consummate sidss system in the future

    本文中，介紹了時態數據庫的基本概念、發展、特點和分類；結合sidss的背景、特色及體系結構，詳細討論了sidss的時態性及其數學模型，指出將時態數據庫應用到sidss並作進一步的研究是必然趨勢，並在此基礎上研究了時態數據庫系統的模型；在探討了幾種模型之後，打破實體-關系類的模型的框框，提出了一個表達能力較強的嵌套時態數據模型，稱之為nter模型（ nestedtemporalentity - relationshipmodel ） ，並驗證將其應用到sidss系統中的表達能力；最後針對sidss的特點以及目前工資管理系統的狀況，進一步對基於時空關系的sidss系統、由時態驅動知識庫的sidss系統進行初步探討，以期今後對開發更完善的引） ss系統作進一步的研究。
  4. Spatio - temporal databases manage spatial objects that change positions and / or extents over time, spatio - temporal index method is one of the key technologies in spatio - temporal database management system

    時空數據庫是存儲、管理隨時間變化，其空間位置和/或范圍也發生變化的時空對象的數據庫系統，時空索引技術是時空數據庫管理系統的關鍵技術之一。
  5. In the first place, the paper briefly discusses issues related to the main index mechanisms in spatial and temporal, studies the access methods of spatio - temporal databases which has been presented. furthermore, the paper explains the storage mechanisms in stadbs ( spatio - temporal analysis database system ) and presents a hr - tree index structure based on main memory to realize the index mechanism of stadbs, it ' s main technologies were discussed in detail. lastly, a visual demo of hr - tree based on main memory was introduced in this paper

    本文在分析討論了主要的空間和時間索引技術的基礎上，研究、分析了時空數據的存取方法，對已提出的時空索引技術進行了分類、比較；根據時空分析數據庫stadbs存儲機制的特點，採用基於主存的hr -樹作為stadbs時空數據的索引結構，設計與實現了stadbs的時空存取方法，論文對stadbs時空索引機制的設計與實現作了較詳細的介紹，同時闡述了基於主存的hr -樹可視化演示程序的主要實現方法。
  6. Based on the literature review of the research progress of spatio - temporal database and the data analysis of socio - economic statistics, this paper suggests a data model and related techniques for socio - economic data

    設計了一個時空數據概念模型? ?面向對象的統計時空數據模型，並在此概念模型的基礎上，設計了一個基於geodatabase的社會經濟統計時空數據物理模型。
  7. The spatio - temporal analysis operations are important functions of spatio - temporal database

    時空分析操作是時空數據庫的重要功能。
  8. The implementation of spatio - temporal database system is based on spatio - temporal data modeling

    時空數據建模是實現時空數據庫系統的基礎。
  9. Spatio - temporal data model is the kernel of spatio - temporal database, namely moving object database, and it ' s the basis of the other components such as spatio - temporal query

    時空數據模型是時空數據庫（也稱移動對象數據庫）的核心，是時空查詢等其它數據庫組成部分的基礎。
  10. This paper discusses the development of spatio - temporal data modeling in the spatio - temporal database and designes the two - level avl - tree spatio - temporal data model based on realms for spatio - temporal database system - stadbsii

    本文討論了時空數據庫中時空建模技術的發展過程，同時為時空分析數據庫系統stadbsii設計了基於realms的二級平衡二叉樹模型。
  11. The key definitions of spatio - temporal data modeling are summarized and the requirements of spatio - temporal database community, including temporal semantics, spatial semantics, spatio - temporal semantics and query capabilities are specified

    摘要闡述了時空數據建模的主要定義，分析了時空數據庫領域的建模需求，包括時態語義、空間語義、時空語義和查詢能力。
  12. Considering the statistical changes in spatial units and temporal indicators, gis - based spatio - temporal database is selected to manage multiple - year statistical datasets

    考慮到統計項目與統計單元的變化，建立時空統計數據庫能有效地管理和應用統計數據。
  13. The technology and application of auto temporal database in data mining

    主動時態數據庫在數據挖掘中的技術和應用
  14. But the user may define time granularities in their wills. temporal database should support the user to manipulate data in any time unit

    時態數據庫管理系統tdbms （ temporaldatabasemanagementsystem ）應提供對用戶定義時間的支持。
  15. Temporal database of land use was used to manage increment data in effect and to retrieve the historical data of land use by the method of plot flow

    土地利用時態數據庫能有效地管理增量數據，按「圖元流動」的方法可實現土地利用數據的歷史回溯。
  16. As a front - end of commercial dbms, timedb, which is a successful prototype of temporal database management system, basically realizes the managements of temporal data

    作為商業dbms的前端構件， timedb基本實現了時態數據管理功能，是比較成功的時態數據庫管理原型系統。
  17. Basing on above consideration, the thesis focuses on the research of implementation technologies of temporal database management system, by means of analyzing timedb ' s implementation methods

    基於以上考慮，本文通過分析timedb的實現方法，研究時態數據庫管理系統的實現技術。
  18. Secondly, the thesis analyzes the logic of the source codes of timedb to research the constructive methods and principles of temporal database management system. it shows how timedb can translate the tddl, tdml and tdql into standard sql statements. finally, a prototype, vehicle team system, is successfully developed using the timedb ' s apis

    首先分析timedb支持的時態查詢語言atsql2的擴展方法和原理，同時結合實例說明atsql2的使用方法；接著深入分析timedb的源代碼邏輯結構，深層次地分析tddl 、 tdml 、 tdql的轉換方法和原理；最後應用timedb的api ，成功開發了「車隊管理系統」 ，驗證timedb的先進性及其在時態數據管理上的不足。
  19. Through analysis and researches of constructive methods and principles of atsql2 and timedb, the thesis shows a feasible solution of the implementation of temporal database management system. besides, it discusses the disadvantages of timedb. all these provide basis for future implementation of temporal database management, accumulating the technologies and experience of component development

    通過分析和研究atsql2以及timedb的構造方法和原理，本文展示了目前行之有效的時態數據庫管理系統實現技術，同時討論了timedb在時態數據管理功能上的不足，為以後成功開發時態數據庫管理系統提供了基礎，積累了技術和經驗。
  20. This thesis discusses the way in which the temporal database manages these time granularities, converts between different time granularity representations of information, and makes the conversion transparent to users

    Tdbms如何管理這些時間粒度，如何轉換基於不同時間粒度存儲的信息，並使這種轉換對數據庫用戶完全透明，是時態數據庫領域的一個重要課題。
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