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Building the World Wide hypermap(WWH)with a RESTful architecture

International Journal of Digital Earth 2014年第3期7卷 175-193页

作者： Joan Maso Xavier Pons Alaitz Zabala Center for Ecological Research and Forestry Applications(CREAF) Universitat Autònoma de BarcelonaBarcelonaSpain Department of Geography Universitat Autònoma de BarcelonaBarcelonaSpain

The hypermap concept was introduced in 1992 as a way to hyperlink geospatial features to text,multimedia or other geospatial features.Since then,the concept has been used in several applications,although it has been found to have some limitations.On the other hand,Spatial Data Infrastructures(SDIs)adopt diverse and heterogeneous service oriented architectures(SOAs).They are developed by different standard bodies and are generally disconnected from mass market web solutions.This work expands the hypermap concept to overcome its limitations and harmonise it with geospatial resource oriented architecture(ROA),connecting it to the semantic web and generalising it to the World Wide hypermap(WWH)as a tool for building a single‘Digital Earth’.Global identifiers,dynamic links,link purposes and resource management capabilities are introduced as a solution that orchestrates data,metadata and data access services in a homogeneous way.This is achieved by providing a set of rules using the current Internet paradigm formalised in the REpresentational State Transfer(REST)architecture and combining it with existing Open Geospatial Consortium(OGC)and International Organization for Standardization(ISO)standards.A reference implementation is also presented and the strategies needed to implement the WWH,which mainly consist in a set of additions to current Geographic Information System(GIS)products and a RESTful server that mediates between the Internet and the local GIS applications.

关键词： SDI URI standards hypermap RESTful

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A DISTRIBUTED hypermap MODEL FOR INTERNET GIS

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Geo-Spatial Information Science 2000年第4期3卷 9-15页

作者： Yuan Xiangru Chen Nengcheng Gong Jianya Department of Computer Science University of Zurich Zurich Switzerland

The rapid development of Internet technology makes it possible to integrate GIS with the Internet,forming Internet *** GIS is based on a distributed client/server architecture and TCP/IP & IIOP.When constructing and designing Internet GIS,we face the problem of how to express information units of Internet GIS.In order to solve this problem,this paper presents a distributed hypermap model for Internet GIS.This model provides a solution to organize and manage Internet GIS information units.It also illustrates relations between two information units and in an internal information unit both on clients and servers.On the basis of this model,the paper contributes to the expressions of hypermap relations and hypermap operations.The usage of this model is shown in the implementation of a prototype system.

关键词： Internet GIS distributed hypermap model hypermedia hypergraph hyperlink

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KING GEORGE ISLAND SPATIAL DATA MODEL

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Geo-Spatial Information Science 2001年第2期4卷 63-69页

作者： CHEN Nengcheng GONG Jianya LIESMARS Wuhan University Wuhan China

Distribution,interoperability,interactivity,component are four main features of distributed GIS.Based on the principle of hypermap,hypermedia and distributed database,the paper comes up with a kind of distributed spatial data model which is in accordance with those features of distributed GIS.The model takes catalog service as the outline of spatial information globalization,and defines data structure of hypermap node in different level.Based on the model,it is feasible to manage and process distributed spatial information,and integrate multi_source,heterogeneous spatial data into a framework.Traditionally,to retrieve and access spatial data via Internet is only by theme or map name.With the concept of the model,it is possible to retrieve,load,and link spatial data by vector_based graphics on the Internet.

关键词：乔治国王岛分发 GIS hypermap 数据模型互操作性

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