Overcoming the Semantic and Other Barriers to GIS Interoperability

Bishr, Yaser

doi:10.1201/9781420006377.ch17

Cited by 39 publications

(47 citation statements)

References 13 publications

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“…Sometimes one can argue the structural interoperability by highlighting the schematic heterogeneity (different message types). In the interoperability literature [27], semantic heterogeneity can be divided into cognitive and naming heterogeneities, and naming heterogeneity sometimes can be further subdivided into syntactic (different symbols) and structural (different expressions) [29].…”

Section: Semantic Evaluation Of Service Chainsmentioning

confidence: 99%

“…The importance of semantics on accessing and integrating geospatial information has long been recognized [27][28][29]. There are two levels of interoperability in the services: syntactic interoperability and semantic interoperability [10].The former requires that there is a technical connection, i.e., that the data can be transferred between Web services.…”

Section: Semantic Evaluation Of Service Chainsmentioning

confidence: 99%

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Automatic geospatial metadata generation for earth science virtual data products

Yue

Gong

et al. 2011

Geoinformatica

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Recent advances in Semantic Web and Web Service technologies has shown promise for automatically deriving geospatial information and knowledge from Earth science data distributed over the Web. In a service-oriented environment, the data, information, and knowledge are often consumed or produced by complex, distributed geoscientific workflows or service chains. In order for the chaining results to be consumable, sufficient metadata for data products to be delivered by service chains must be provided. This paper proposes automatic generation of geospatial metadata for Earth science virtual data products. A virtual data product is represented using process models, and can be materialized on demand by dynamically binding and chaining archived data and services, as opposed to requiring that Earth science data products be physically archived. Semantics-enabled geospatial metadata is generated, validated, and propagated during the materialization of a virtual data product. The generated metadata not only provides a context in which end-users can interpret data products before intensive execution of service chains, but also assures semantic consistency of the service chains.

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Section: Semantic Evaluation Of Service Chainsmentioning

confidence: 99%

Section: Semantic Evaluation Of Service Chainsmentioning

confidence: 99%

Automatic geospatial metadata generation for earth science virtual data products

Yue

Gong

et al. 2011

Geoinformatica

View full text Add to dashboard Cite

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“…The paper discusses main challenges of service interoperability, especially semantic heterogeneity [12], from the practical viewpoint of GI service integration into legacy systems. This is still one of the major burdens to successful integration of services and data in general [13].…”

Section: Introductionmentioning

confidence: 99%

Integrating GI with non-GI services—showcasing interoperability in a heterogeneous service-oriented architecture

et al. 2011

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The concept of a service-oriented architecture provides a technical foundation for delivering, using, and integrating software. It can serve as an approach to integrate GIS with other, non-GIS applications. This paper presents and discusses a service-oriented architecture that embraces a GIS and an enterprise resource planning system. The two information systems make mutually required functionalities available as services. This defines the showcase for making GI and non-GI services syntactically and semantically interoperable. The services-based integration leverages open-standard interfacing and, thus, removes syntactic heterogeneity. The integration is discussed in terms of an emergency management scenario. This scenario also helps to outline challenging semantic interoperability issues. When services provided by GIS and non-GIS applications interact, the problem arises how their different conceptualizations should be mapped. This paper analyzes essential ontological distinctions for mapping conceptual schemes in GI locator services and non-GI services. It proposes a hybrid decentralized approach of concept mapping, based on a common top-level ontology.

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“…As a consequence, communities prefer to create their own specification by: reusing elements of other specifications, such as Ecological Metadata Language EML [11]; or rewriting a complete new specification by themselves, e.g., Hydrologic Markup Language HydroML [36]. This lack of interoperability has plagued many interdisciplinary collaboration efforts to date [4], [18], [19], [34], and is one of the main obstacles that need to be overcome when connecting various research communities, the government, and the public for a more seamless data and information realm. More specifically, the description of similar datasets using different vocabularies or using similar vocabularies for different data sets results into what is called Bsemantic heterogeneity'' [13], [20], [35].…”

Section: Introductionmentioning

confidence: 99%

Metadata Community Profiles for the Semantic Web

Bermúdez

Piasecki

2006

Geoinformatica

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Metadata is needed to facilitate data sharing among geospatial information communities. Geographic Metadata Standards are available but tend to be general and complex in nature and also are not well suited to overcome semantic heterogeneities across vocabularies of different domains and user communities. Current formalizations of metadata standards are not flexible enough to allow reuse and extension of metadata specifications, in particular for Web based information systems. In order to address this problem we propose a methodology to create community specific metadata profiles for the Semantic Web by reusing metadata specifications and domain vocabularies encoded as resources for the Web. This ensures that these community profiles are semantically compatible so they can be used in Web based information systems. The ISO-19115:2003 geographic metadata standard is the most general standard available and is being used in conjunction with the Web Ontology Language as the expression medium to test the methodology for each one of the possible extensions documented in ISO-19115:2003. It is shown that it is possible to extend and reuse metadata specifications and vocabularies distributed in the Web using the Web Ontology Language, by utilizing the language's flexibility to create restrictions on inherit properties and to make interferences on web distributed resources. Examples from the area of Hydrology are provided to demonstrate the technical details of the approach.

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Overcoming the Semantic and Other Barriers to GIS Interoperability

Cited by 39 publications

References 13 publications

Automatic geospatial metadata generation for earth science virtual data products

Automatic geospatial metadata generation for earth science virtual data products

Integrating GI with non-GI services—showcasing interoperability in a heterogeneous service-oriented architecture

Metadata Community Profiles for the Semantic Web

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