spatial query 中文意思是什麼

spatial query 解釋
空間查詢 空間的問い合わせ, 空間探索
  • spatial : adj. 1. 空間的;在空間中存在[發生,佔有位置]的。2. 佔大篇幅的。n. -ity 空間性。adv. -ly
  • query : n 1 質問;詢問;疑問,懷疑。2 敢問,請問〈在疑問句前單獨使用〉。3 【印刷】(打在原稿或校樣上的)...
  1. The system stores spatial data and characteristic data into central database, and provides services to users in server / client mode. as the research emphases of this thesis, several key sub - systems are designed and realized. the digital map input and maintenance subsystem performs format conversion, editing and updating of spatial data ; the rail - track video playing subsystem uses video recording as reference data, then plays, inquires and traces the corresponding frames in synchronous to the scaled mileage, realizing the query of the active picture frames ; the digital map query subsystem fulfills the map query, preview and spelling of digital map orthograph

    其中,地形圖輸入與維護實現了數字地圖的格式轉換、編輯處理以及空間數據的更新操作,解決了不同格式空間數據的互相轉換問題;線路錄象播放將線路錄像數據作為系統的一種索引數據,活動影像的畫面與里程相對應,實現了基於線路錄像的播放、查詢和檢索的功能,實現了基於活動畫面的查詢檢索功能;數字地圖子系統完成了圖形查詢、數字地圖與線路正射圖像瀏覽、圖幅拼接等功能。
  2. Because of its strong spatial query function and its support for various client platforms, we chose arcims as the webgis platform. the system uses the popular asp ( active server page ) method and the most - used webgis software - arcims to generate, release and transfer the disaster information

    3 、對國外多個基於web的地圖應用系統(國外有代表性的webgis網站)的瀏覽功能、使用方法、地圖顯示、功能、交互性、定製功能、特殊功能等幾個方面做了比較。
  3. When refining the candidates, the author gets rid of traditional complicated geometric calculating. this thesis sets forward a new query model based on character. this model changes two - dimensional spatial object into one - dimensional string to process, and therefore turns two - dimensional disorder query into order query by using heuristic querying algorithm so that bisearch is used to improve query efficiency greatly

    在求精時,摒棄了傳統的復雜的幾何計算,本文提出了一種基於字元的查找模式,將二維的空間對象轉化為一維字元串進行處理,並利用啟發式搜索演算法將二維空間上的無序查找轉化為有序查找,從而利用折半查找法,大大提高了查詢效率。
  4. 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。
  5. Second, the dissertation addresses the global query rewriting issues of the service oriented spatial data integration. query rewriting and optimization methods are presented based on equivalent transformation of relational operators. we study the data replication issues of spatial data services and presents strategies to deal with data fragmentation and service selection

    其次,論文研究了面向空間數據服務集成的全局查詢重構問題,在關系代數等價變換基礎上提出了空間數據服務全局查詢重構和優化方法,並提出了面向分散式空間區域查詢的副本處理方法和資源選擇策略。
  6. Analysis of query methods for spatial data in relational database

    關系數據庫管理空間數據的方式下數據查詢方法的研究
  7. Gml based spatial object query model and xquery based implementation in gis

    基於地理標識語言的空間數據查詢模式與實現
  8. Retrieval spatial database by using the position of two point specified by user, complete the navigation automatically ; tracing and real - time display user current location depending on navigation map ; accomplish the query based on spatial relationship and property feature

    解決的問題有:根據用戶指定的任意兩點位置檢索空間數據庫,完成自動游覽;利用導航圖跟蹤和實時顯示用戶的當前位置;結合vrml與java技術完成基於空間關系特徵的查詢和基於屬性特徵的查詢。
  9. 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。
  10. While the application of the component gis technology in hydrogeology can build the hydrogeologic profile automatically and rapidly on the basic of special orderliness of hydrogeologic stratum. on the other hand, supported by gis, the system has superiority in spatial query, edition of profile and dynamic topological rebuilding

    而組件式gis技術在水文地質中的應用,一方面可以利用組件式gis固有的特點,根據水文地質層的空間分佈規律快速方便的自動構建水文地質剖面,另一方面,由於系統以gis技術為支撐,因此,它在空間查詢,剖面編輯、動態拓撲重建方面具有獨特的優勢。
  11. Spatial index is a indispensable part of spatial database, and can dramatically improve efficiency when doing a spatial query

    空間索引作為空間數據庫中的重要組成部分,可以加快對空間對象的檢索。
  12. We summarize that spatial index system should provides three kinds of spatial query, they are, spatial range query, nearest neighbor query, spatial join query

    本文總結出空間索引系統應提供的三類空間查詢:空間范圍查詢、最近鄰居查詢、空間連接查詢。
  13. Based on lots of advanced results of computer graphics, modem mathematics, computer science and topography, etc. this thesis discussed the theory, techniques and arithmetic of three - dimensional terrain visualization in three - dimensional gis, such as terrain modeling techniques for digital elevation model, basic theory of three - dimensional terrain visualization, dynamical three - dimensional terrain display with simplified model, and spatial query methods within three - dimensional terrain maps. among these techniques, combined with concrete requirements for visualization in flood control decision - making system, this thesis emphasized on the following aspects : 1

    本文在吸取了計算機圖形學、現代數學、計算機科學、測繪學等眾多領域大量先進理論成果的基礎上,系統的論述了三維gis中地形三維可視化的理論、技術和演算法,包括數字高程模型的地形表面建模技術、地形三維可視化的基本理論、基於模型簡化的地形三維動態顯示技術以及基於三維地形圖的空間查詢技術。
  14. Based on lots of advanced results of computer graphics, modem mathematics, computer science and topography, etc. this thesis discussed the theory, techniques and arithmetic of three - dimensional visualization, such as the data structure based on three - dimensional space, terrain and object modeling techniques, basic theory of three - dimensional terrain visualization, dynamical three - dimensional terrain display, matching and display technology between terrain and objects and spatial query within three - dimensional terrain maps

    本文在吸取了計算機圖形學、現代數學、計算機科學、測繪學等眾多領域大量先進理論成果的基礎上,系統的論述了三維可視化中的三維空間中數據結構、地形地物三維可視化的理論、技術和演算法,包括三維空間數據結構的設計、地形三維可視化的基本理論、地形三維動態顯示技術、地物與地形的匹配與顯示技術以及基於三維地形圖的空間查詢技術。
  15. Integrated processing strategies for spatial query and path search

    空間查詢和路徑搜索的集成處理策略
  16. Spatial query optimization

    空間查詢優化
  17. In this paper, the broadcast - based spatial query processing methods are presented for the location - based services

    在這種無線計算環境下,數據廣播方式是發布空間數據對象支持空間查詢處理的有效方法。
  18. Give the data structure of spatial data and categorical data, on which introduced object organizing and managing theory in oodb and template technology including data template and method template, mode oo data access model and spatial query and spatial analysis model

    摘要給出了空間數據和屬性數據的數據結構,在此基礎上採用面向對象數據庫( oodb )技術中的對象組織和管理思想,採用數據模板和方法模板技術建立面向對象的數據訪問模型,並在此基礎上建立了一種面向對象的空間查詢和空間分析模型。
  19. Algorithm of terrain visualization by using scanning terrain map as texture ; 2. the simplified algorithm of view - point related multi - resolution terrain and the extended algorithm while its data are distributed like a band ; 3. the visual application of spatial query technique in the field of vector elements overlapping and the simulative evolution of flood

    在諸多技術中,結合防汛決策支持系統對可視化的具體要求,本文重點論述了:以掃描地形圖為紋理的地形可視化演算法;基於幾何模型的視點相關多解析度地形簡化演算法及其在數據呈帶狀分佈情況下的擴展演算法;空間查詢技術在矢量要素疊加和洪水模擬演進方面的可視化應用。
  20. " digital land " project posed by national land resources ministry in land and resource survey, is another information project after " digital earth ". this indicates resource information management has been one of the important subjects in present science and technology fields. the mineral resources are an important part of national land resources. they are one of the most basic and important production data which the human beings rely on for existence and develope by. and also are the matter foundation of national economy and society development. thefore, it ' s very significant to promote rationally developing and utilizing the mineral resources by changing the traditional management method, applying the modern information technology to establish the mineral resources management system. geographic information system is just a comprehensive information technology capable to store, manage, analyze and display spatial data, and its powerful spatial query and spatial analysis function have been used in both natural and social sciences, especially in the field of the national resources management. on gis platform, the article studies the designment and development of the mineral resources management system in yulin, and probes into an information method of the mineral resources management in theory and practice

    地理信息系統正是一門對空間數據的存儲、管理、分析、顯示的綜合性技術,其強大的空間查詢與分析功能已被廣泛應用於自然科學與社會科學,尤其是在國土資源管理領域中。為此本文以gis軟體為平臺,開展了榆林礦產資源信息管理系統的設計與開發工作,在理論和實踐上探討一種礦產資源管理的信息化方法。文中在分析了系統功能需求的基礎上,建立了圖形數據與屬性數據兩類相結合的數據庫,實現了圖形數據庫中內部屬性表與屬性數據庫中外掛屬性表的連接,將圖形數據與屬性數據統一存儲、處理和分析,可對礦區已有資料實施信息化管理。
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