Riassunto:
These proceedings collect the papers selected for the 2nd International Conf- ence on Interoperating GeographicInformationSystems held in Zur .. ich, Switz- land, 10-12 March, 1999. Interoperabilityhasbecomeanissueinmanyareasofinformationtechnology in the last decade. Computers are used everywhere, and there is an increasing need to share various types of resources such as data and services. This is es- ciallytrueinthecontextofspatialinformation.Spatialdatahavebeencollected, digitized and stored in many di?erent and di?ering repositories. Computer so- ware has been developed to manage, analyse and visualize spatial information. Producing such data and software has become an important business oppor- nity. In everydayspatialinformation handling in manyorganisationsand o?ces, however, interoperability is far from being a matter of fact. Incompatibilities in data formats, software products, spatial conceptions, quality standards, and models of the world continue to create as synchronicity among constituent parts of operating spatial systems. As a follow-upto the ?rst InternationalConference on Interoperating Geographic Information Systems held 1997 in Santa Barbara, California, the Interop'99 tries to provide a scienti? c platform for researchers in this area. Theinternationalprogramcommitteecarefullyselected22papersforpres- tation at the conference and publication in this volume. Additionally, this v- ume contains three invited contributions by Gio Wiederhold, Adrian Cuthbert and Gun .. ther Landgraf. Every paper was sent to three members of the program committee and other experts for review. The reviews resulted in a three-day single-track conference program that left some room for a few half-day tutorials on various topics regarding GIS interoperability.
Contenuti:
Interoperability: Invited Contributions.- Mediation to Deal with Heterogeneous Data Sources.- OpenGIS: Tales from a Small Market Town.- Evolution of EO/GIS Interoperability towards an Integrated Application Infrastructure.- Identification.- Feature Identities, Descriptors, and Handles.- A Global Unique Persistent Object ID for Geospatial Information Sharing.- Infrastructure.- Implementation Architecture for a National Data Center.- Architecture Considerations for Advanced Earth Observation Application Systems.- A Spatial Data Infrastructure for the Hindu Kush – Himalayan Region:.- Interoperability for GIScience Education.- Implementation.- Adding an Interoperable Server Interface to a Spatial Database: Implementation Experiences with OpenMapTM.- Interoperability in Practice: Problems in Semantic Conversion from Current Technology to OpenGIS.- Building a Prototype OpenGIS® Demonstration from Interoperable GIS Components.- Vectors and Graphics.- Modeling and Sharing Graphic Presentations of Geospatial Data.- Towards OpenGIS Systems.- Semantics.- Semantic and Geometric Aspects of Integrating Road Networks.- Assessing Semantic Similarities among Geospatial Feature Class Definitions.- Proceeding on the Road of Semantic Interoperability – Design of a Semantic Mapper Based on a Case Study from Transportation.- What Are Sports Grounds?.- Heterogeneous Databases.- Identifying Semantically Similar Elements in Heterogeneous Spatial Databases Using Predicate Logic Expressions.- Designing a Mediator for Managing Relationships between Distributed Objects.- Geospatial Mediator Functions and Container-Based Fast Transfer Interface in Si3CO Test-Bed.- Plug and Play: Interoperability in Concert.- Representation.- Functional Extensions of a Raster Representation for Topological Relations.- 3D Synthetic Environment Representation Using the “Non-Manifold 3D Winged-Edge” Data Structure.- Pluggable Terrain Module – Moving Digital Terrain Modelling to a Distributed Geoprocessing Environment.
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