標(biāo)題: Titlebook: Advances in Spatial Data Handling; 10th International S Dianne E. Richardson,Peter Oosterom Conference proceedings 2002 Springer-Verlag Ber [打印本頁(yè)] 作者: 要旨 時(shí)間: 2025-3-21 17:26
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書(shū)目名稱(chēng)Advances in Spatial Data Handling讀者反饋學(xué)科排名
作者: 感激小女 時(shí)間: 2025-3-22 00:11 作者: angiography 時(shí)間: 2025-3-22 00:47
https://doi.org/10.1007/978-3-030-20873-8 is explored. This method automatically translates a point data layer into a space filling layer where clusters are identified as some of the resulting regions. The method is based on robustly identifying cluster boundaries in point data. The cluster polygonization process analyses the distribution 作者: 北極人 時(shí)間: 2025-3-22 06:40
Lecture Notes in Computer Sciencemust be kept informed about new, relocated, or removed objects that fulfil a given query condition. Consequently, a STDBS must inform its clients about these updates. Such queries are called .. The volume and frequency of transmissions is influenced by technical restrictions like the computing power作者: 子女 時(shí)間: 2025-3-22 12:19
C.V. Jawahar,Hongdong Li,Konrad Schindlerject-based model for geologic map information, specifically designed to represent digital geologic maps and related geoscientific information. Although oriented to geoscience, several fundamental issues in representing geospatial information are explored in this design, including the philosophic and作者: AMOR 時(shí)間: 2025-3-22 16:10
Sara Iodice,Krystian Mikolajczykechniques that allow us to preview the content and to evaluate it relative to the requirements for complex spatial and thematic queries. Analogous to the digital indices for fulltext searches on text documents we introduce highly condensed, machinereadable indices of digital maps. The purpose of the作者: infatuation 時(shí)間: 2025-3-22 18:37
Lecture Notes in Computer Sciencehenomena from different viewpoints or at different resolutions. This need is well known by users and designers. Modelling of applications, where users share the same database for different contexts and cartographic applications are examples of environments where such a need arises. This paper propos作者: Virtues 時(shí)間: 2025-3-23 00:29 作者: 警告 時(shí)間: 2025-3-23 04:10
https://doi.org/10.1007/978-3-030-20890-5y index determination. It has been implemented in a working testbed for siting multiple observers jointly to cover terrain from a full level-1 DEM, and to do it so quickly that multiple experiments are easily possible. Both the observer and target may be at a given fixed distance above the terrain. 作者: Progesterone 時(shí)間: 2025-3-23 08:07
Adam Stacey,Will Maddern,Surya Singh the derivation of arbitrary scales from a master database. This paper outlines a framework for the automated generalisation of polygon mosaics (polygonal subdivisions) based on a multi agent system by extending previous research carried out by the AGENT consortium. After listing generic properties 作者: Blanch 時(shí)間: 2025-3-23 13:33 作者: OUTRE 時(shí)間: 2025-3-23 14:05 作者: Gourmet 時(shí)間: 2025-3-23 20:21
Wenbo Li,Longyin Wen,Xiao Bian,Siwei Lyuit is problematic when trying to overlay many layers. This leads to several geometric problems such as the management of sliver polygons. This paper proposes a new merging process to complement the vector overlay for data integration of several layers. This process, based on measures derived from th作者: 窩轉(zhuǎn)脊椎動(dòng)物 時(shí)間: 2025-3-24 00:30 作者: alleviate 時(shí)間: 2025-3-24 05:28 作者: oblique 時(shí)間: 2025-3-24 08:19 作者: 合同 時(shí)間: 2025-3-24 14:33
Michal Bu?ta,Yash Patel,Jiri Mataswith the Object Database Management Group (ODMG) standard. This paper presents the design of such a language, called STOQL, by adding spatial and temporal dimensions to OQL. This language is based upon a data model that extends the ODMG Object Model with basic spatial and temporal types as well as a作者: Cardioversion 時(shí)間: 2025-3-24 18:12 作者: JEER 時(shí)間: 2025-3-24 20:32 作者: 殺子女者 時(shí)間: 2025-3-25 00:41 作者: 字形刻痕 時(shí)間: 2025-3-25 03:47 作者: 共棲 時(shí)間: 2025-3-25 09:25 作者: Type-1-Diabetes 時(shí)間: 2025-3-25 12:49
978-3-642-62859-7Springer-Verlag Berlin Heidelberg 2002作者: evasive 時(shí)間: 2025-3-25 17:41
A Decision Tree for Multi-Layered Spatial Dataof geographically referenced data and benefit from this rich information resource. This article addresses spatial data classification for using decision trees. A new method called SCART which differs from conventional decision trees by considering the specifics of geographical data, namely their org作者: 蒸發(fā) 時(shí)間: 2025-3-25 22:29 作者: 憤慨點(diǎn)吧 時(shí)間: 2025-3-26 02:04 作者: ascend 時(shí)間: 2025-3-26 04:57
The Impact of Filtering on Spatial Continuous Queriesmust be kept informed about new, relocated, or removed objects that fulfil a given query condition. Consequently, a STDBS must inform its clients about these updates. Such queries are called .. The volume and frequency of transmissions is influenced by technical restrictions like the computing power作者: 平息 時(shí)間: 2025-3-26 10:23
An Object Model for Geologic Map Informationject-based model for geologic map information, specifically designed to represent digital geologic maps and related geoscientific information. Although oriented to geoscience, several fundamental issues in representing geospatial information are explored in this design, including the philosophic and作者: grieve 時(shí)間: 2025-3-26 14:38
Indexing and Browsing Digital Maps with Intelligent Thumbnailsechniques that allow us to preview the content and to evaluate it relative to the requirements for complex spatial and thematic queries. Analogous to the digital indices for fulltext searches on text documents we introduce highly condensed, machinereadable indices of digital maps. The purpose of the作者: diathermy 時(shí)間: 2025-3-26 20:20
Modelling and Manipulating Multiple Representations of Spatial Datahenomena from different viewpoints or at different resolutions. This need is well known by users and designers. Modelling of applications, where users share the same database for different contexts and cartographic applications are examples of environments where such a need arises. This paper propos作者: institute 時(shí)間: 2025-3-26 21:23
Terrain Modelling Based on Contours and Slopesace orientation information than is available from traditional interpolation techniques. A consequence is that poor-quality elevation grids must be massaged before they provide useable runoff models. This paper describes improved methods for extracting good quality terrain models from topographic co作者: RADE 時(shí)間: 2025-3-27 05:11 作者: Blanch 時(shí)間: 2025-3-27 05:48
An Agent-Based Framework for Polygonal Subdivision Generalisation the derivation of arbitrary scales from a master database. This paper outlines a framework for the automated generalisation of polygon mosaics (polygonal subdivisions) based on a multi agent system by extending previous research carried out by the AGENT consortium. After listing generic properties 作者: CLAM 時(shí)間: 2025-3-27 11:33 作者: 精確 時(shí)間: 2025-3-27 17:25 作者: catagen 時(shí)間: 2025-3-27 18:38 作者: 重力 時(shí)間: 2025-3-27 22:36 作者: 無(wú)力更進(jìn) 時(shí)間: 2025-3-28 02:31
Grid Computing for Real Time Distributed Collaborative Geoprocessingions, and, in some cases, high-performance orientation. In this paper we describe Grid computing concepts and technologies and establish compelling reasons for why they may prove useful for important geospatial research and application issues. Then we review high performance parallel geoprocessing i作者: Commonplace 時(shí)間: 2025-3-28 07:34 作者: fibroblast 時(shí)間: 2025-3-28 13:46
STOQL: An ODMG-Based Spatio-Temporal Object Model and Query Languagewith the Object Database Management Group (ODMG) standard. This paper presents the design of such a language, called STOQL, by adding spatial and temporal dimensions to OQL. This language is based upon a data model that extends the ODMG Object Model with basic spatial and temporal types as well as a作者: 指數(shù) 時(shí)間: 2025-3-28 15:51 作者: 關(guān)節(jié)炎 時(shí)間: 2025-3-28 20:38
A Differential Spatio-temporal Model: Primitives and Operatorsevelopment of model primitives and operators to support the aggregation of change over time and the propagation of change across resolution. Our investigation is motivated by recent advances in image-based geospatial databases, with constantly increasing update frequencies, and diverse user communit作者: 招待 時(shí)間: 2025-3-29 00:33 作者: Malcontent 時(shí)間: 2025-3-29 04:17
Lecture Notes in Computer Science phenomenon and to access a particular representation. Finally, we focus on consequences of multiple coexisting representations on data manipulation. This proposal has been tested and validated with users, and implemented as a front-end to existing DBMS..作者: epicondylitis 時(shí)間: 2025-3-29 08:46
Philipe Ambrozio Dias,Henry Medeirosons about the local uniformity of slopes give us enough information to assign elevation values to these skeleton points. Various interpolation techniques were compared using visualisation of the enriched contour data. Examination of the quality and consistency of the resulting maps indicates the req作者: 冷淡周邊 時(shí)間: 2025-3-29 12:46 作者: chemical-peel 時(shí)間: 2025-3-29 18:25 作者: Preserve 時(shí)間: 2025-3-29 20:05
Wenbo Li,Longyin Wen,Xiao Bian,Siwei Lyutudy concludes that neither TM spectral bands nor vegetation indices alone are sufficient to establish an effective model for biomass estimation, but multiple regression models that consist of spectral and textural signatures improve biomass estimation performance. The models developed are especiall作者: 溫和女孩 時(shí)間: 2025-3-30 02:20
Lipu Zhou,Jiamin Ye,Michael Kaessfectively implement these models within a relational DBMS. In this paper, we describe the design and implementation of a topologically structured management at the DBMS level. Our focus is to translate topological structures into geometric primitives. It is then possible to define a DBMS view on a t作者: 減去 時(shí)間: 2025-3-30 05:08
An Object Model for Geologic Map Informationns of our meta-model, specifically semiotics, category theory, and ontology in geospatial information. Finally, we report briefly on a specific prototype data model derived from the meta-model and implemented in a commercial object-oriented GIS.作者: 業(yè)余愛(ài)好者 時(shí)間: 2025-3-30 09:02 作者: 下級(jí) 時(shí)間: 2025-3-30 15:25
Terrain Modelling Based on Contours and Slopesons about the local uniformity of slopes give us enough information to assign elevation values to these skeleton points. Various interpolation techniques were compared using visualisation of the enriched contour data. Examination of the quality and consistency of the resulting maps indicates the req作者: 丑惡 時(shí)間: 2025-3-30 18:13 作者: 推測(cè) 時(shí)間: 2025-3-30 21:58
Minimising Positional Errors in Line Simplification Using Adaptive Tolerance Valuesuestion is, ‘does one specify a tolerance value for each line based on the user specified level of accuracy’? This paper presents a solution to solve this problem. In this approach, the user supplies the target level for desired accuracy and the simplification tolerance value is calculated according作者: 四牛在彎曲 時(shí)間: 2025-3-31 02:00
Above-Ground Biomass Estimation of Successional and Mature Forests Using TM Images in the Amazon Bastudy concludes that neither TM spectral bands nor vegetation indices alone are sufficient to establish an effective model for biomass estimation, but multiple regression models that consist of spectral and textural signatures improve biomass estimation performance. The models developed are especiall作者: Neonatal 時(shí)間: 2025-3-31 06:25 作者: Herbivorous 時(shí)間: 2025-3-31 10:52 作者: Bereavement 時(shí)間: 2025-3-31 16:53
dvances in Spatial Data Handling, is a compendium of papers resulting from the International Symposium on Spatial Data Handling (SDH), held in Ottawa, Canada, July 9-12, 2002. The SDH conference series has been organised as one of the main activities of the International Geographical Union (IGU) sin作者: Cosmopolitan 時(shí)間: 2025-3-31 20:32 作者: 要控制 時(shí)間: 2025-3-31 23:36 作者: 帶來(lái)的感覺(jué) 時(shí)間: 2025-4-1 02:38
Computational and Visual Support for Geographical Knowledge Construction: Filling in the Gaps Betweenumber of inter-related activities and the support of these activities in an integrated visual and computational environment, GeoVISTA .. Results are presented showing examples of each stage in the knowledge construction process and a summary of the inter-relationships between visualisation, computation, representation and reasoning is provided.作者: CHASM 時(shí)間: 2025-4-1 09:11
A New Merging Process for Data Integration Based on the Discrete Fréchet Distanceroposes a new merging process to complement the vector overlay for data integration of several layers. This process, based on measures derived from the Fréchet distance, matches common points (either lines or polygons). It also merges an ordered set of pairs of matching points (vertices) into a single geometry.
