空間索引 的英文怎麼說

中文拼音 [kōngjiānsuǒyǐn]
空間索引 英文
spatial indexing
  • 空 : 空Ⅰ形容詞（不包含什麼; 裏面沒有東西或沒有內容; 不切實際的） empty; hollow; void Ⅱ名詞1 （天空） s...
  • 間 : 間Ⅰ名詞1 （中間） between; among 2 （一定的空間或時間里） with a definite time or space 3 （一間...
  • 索 : Ⅰ名詞1 （大繩子; 大鏈子） a large rope 2 （姓氏） a surname Ⅱ動詞1 （搜尋; 尋找） search 2 （要; ...
  • 引 : Ⅰ動詞1 （牽引; 拉） draw; stretch 2 （引導） lead; guide 3 （離開） leave 4 （伸著） stretch 5 （...
  • 空間 : space; enclosure; room; blank; interspace
  • 索引 : index; indexing; key; repertory; subscript; concordance
  1. In order to improve the efficiency of spatio - temporal data access, spatio - temporal index mechanisms should considers both characteristics of spatial and temporal and combines both access methods of spatial and temporal

    時空索引技術是空間索引技術和時間索引技術的結合，它必須兼顧了時空對象的空間特性和時間特性，才能有效地提高時空數據庫的存取效率。
  2. 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。
  3. By the similarity partition of network traffic usage space, the codebook of vq can describe the network traffic usage profile accurately and achieved the usage space index via the vq

    通過相似性劃分用戶行為空間，矢量量化的碼書（ codebook ）能夠精確的描述用戶行為模式輪廓，實現了面向異常度量的網路業務量用戶行為空間索引。
  4. Access control model of 2 - d spatial region based on spatial index

    基於空間索引的二維空間區域訪問控制模型
  5. R - tree primarily indexes on point and polygon objects. bucketfile only indexes on line objects

    基於r樹的空間索引結構主要對點對象和面對象進行索引； bucketfile空間索引結構主要對線對象進行索引。
  6. 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。
  7. In this paper, we focus on the structure of r - tree and bucketfile, and the algorithm of three kinds of spatial queries

    本文重點討論了r樹、 bucketfile兩種空間索引的基本結構及三類空間查詢在其上的演算法實現。
  8. Aim at the characters of spatial data access control, the concept of spatial region access control based on spatial index was proposed

    摘要針對空間數據的訪問控制的特點，提出了基於空間索引的區域訪問控制概念。
  9. Presents a spatial index method based on rude grid and object bound and proves its validity and practicability on constructing spatial index. 3

    創造性地提出了基於粗分格網的對象范圍索引方法，並論證了該方法在建立空間索引方面的有效性和實用性。
  10. 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。
  11. Spatial index utilizes some kind of spatial relationship to organize data entries, with each key value seen as a point or region in a multi - dimensional space

    空間索引由此應運而生，空間索引主要依靠空間對象之間的鄰接性對數據進行組織，它的索引項通常是多維空間下的點或區域。
  12. Most the databases can support non - structure data ; so both spatial data and attribute data can be stored in database. when spatial data is stored and managed by dbms, it can be indexed, queried and analyzed expediently

    這樣可以將空間數據和屬性數據有機地集成起來，實現有效的存儲和管理在此基礎上，實現便利的空間索引、查詢和各種分析操作。
  13. In the thesis, by the object - oriented method, we study and explore deeply the data model of spatial object, the definition and expretion of semantics, the basic relaionship among objects, the basic spatial operation and topology structure, the orgazization of geographic data, the storage of data and the spatial index

    本論文採用面向對象方法，對gis中空間對象的數據模型、語義定義和表示、對象間的基本語義關系、對象的基本空間操作及拓撲結構、地理數據的組織、數據的存儲和空間索引等方面進行了較全面的探索和研究，並在此基礎上，提出了面向對象gis的整體概略框架。
  14. Demands for spatial index directly come from spatial methods. in spatial database, spatial methods are implemented in two steps : first is filter step, in which spatial object ' s number is reduced through spatial index. second is refinement step, in which spatial objects resulted from filter step are subjected to exacted computation

    空間索引的直接需求來自於大量空間對象上的空間運算，本文認為在空間數據庫中空間運算應該分兩步進行：第一步是篩選步驟，通過空間索引縮小進行比較的空間對象的個數；第二步為細化步驟，對從第一步中篩選出的空間對象進行精確的空間運算操作。
  15. Holding a space for change is critical in facilitating process which " makes a difference. " in this 3 hour seminar, we will share experiences in holding space for change, examine the role of grief - work in the change process, possibly create new images and approaches for effective " space holding. " we will work on the facilitator s " way of being, " which goes beyond technique

    希望營造高效能引導的重要環節，就是營造願意改變的空間。在這場三小時的研習會中，我們將分享一些維系願意改變的空間的引導經驗，探索改變中經歷的悲痛，以創造出有效的維系空間的新形象。我們也將討論引導者的風格，一種比技巧還要深層的風格。
  16. On the aspect of data index, the essential of spatial index was advanced based on database, and a spatial index method called the spatial grid index method was put forward based on two phases database query

    在數據索引方面，提出了基於數據庫的空間索引的實質，對基於數據庫的空間索引作了一定的研究，提出了基於數據庫的sql兩階段查詢的空間網格索引機制。
  17. The paper analyzes the structure of grass ' s vector files and several basic indexes " methods for spatial data. lt also compares the characteristics of the postgis, peegree, openmap, etc. on the other hand, mis paper researches the spatial vector data index arithmetic

    除此之外，本課題對于空間矢量數據的索引演算法進行了一定的研究，並詳細介紹了r樹模型的基本演算法，同其他空間索引演算法進行了一定的比較，簡要總結了各種演算法的基本特徵。
  18. As the display of electronic multi - media military geographic documentations is based on multiple topographic maps, increasing the display of electronic maps with macro vector data is the chief problem to solve. the paper introduces the spatial index technique at detail for it

    多媒體電子兵要地誌以多幅地圖為顯示平臺，海量數據電子地圖的快速顯示是面臨的首要問題，作者在文中詳細介紹了空間索引技術。
  19. This dissertation first discusses spatial data characteristics, and introduces spatial data models, spatial data structures and spatial indexes, and focus on the spatial data cache technology and the fast inquiry implementing agent technology and then analyzes the advantages of taking agent technology to solve the problems such as the network bandwidth dependence, the stability of data service, and query speeds which occur in the gis spatial data. this dissertation also discusses agent - based spatial data query model - absqm, which is designed according to agent

    本文首先討論了空間數據的特徵，對空間數據模型、空間數據結構以及空間索引進行了分析與論述，重點探討了空間數據緩存技術和實現快速查詢的agent技術，分析了agent技術解決gis空間數據導致的網路帶寬依賴、數據服務穩定性、查詢速度等技術問題所具有的優勢，對設計的基於agent的空間數據查詢應用模型（ absqm ）進行了論述。
  20. This thesis discusses spatial data index first, shows the history of spatial index structure, introduces the current domestic and foreign main index structure in gis ' s spatial joining, and then makes use of character to express spatial object

    本論文首先對空間數據庫的索引進行探討，並給出了空間索引結構的發展演化圖，然後介紹了目前國內外gis的空間連接過程中的主流索引結構，最後引入了字元來表達空間對象。
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