IBIS: Semantic Data Integration at Work

Calì, Andrea; Calvanese, Diego; Giacomo, Giuseppe De; Lenzerini, Maurizio; Naggar, Paolo; Vernacotola, Fabio

doi:10.1007/3-540-45017-3_8

Cited by 16 publications

(14 citation statements)

References 18 publications

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“…The process involves: i) the generation of a set of queries in terms of the local databases integrated in the system, ii) the storage of the partial results that these queries generate into an auxiliary database, and iii) the extraction of the final results from this database. The procedure of translating a global query into a set of local queries has been covered in many previous publications [6,7,9,10,11,12,14,15]. The approach exposed in this work does not differ from them in the essence of query translation.…”

Section: Methodsmentioning

confidence: 99%

“…Pottinger performs a similar statement when describing her Minicon algorithm for query translation [10]. The same idea can be found in [11], where Cali describes his system for performing semantic integration of heterogeneous sources. Xiao, in his description of his own approach for integration of heterogeneous XML sources [12], states that the partial results are "integrated (by using union) to produce the answer to q".…”

Section: Introductionmentioning

confidence: 99%

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Enabling Cross Constraint Satisfaction in RDF-Based Heterogeneous Database Integration

Martín

Anguita

Jimenez

et al. 2008

2008 20th IEEE International Conference on Tools With Artificial Intelligence

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Section: Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Enabling Cross Constraint Satisfaction in RDF-Based Heterogeneous Database Integration

Martín

Anguita

Jimenez

et al. 2008

2008 20th IEEE International Conference on Tools With Artificial Intelligence

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“…Data integration systems are usually characterized by an architecture based on a global schema, which provides a reconciled and integrated view of the underlying sources. These systems are called central data integration systems, and a large number of such systems have been proposed [3,5,11,14,24,27,30,34,36].…”

Section: Problem Descriptionmentioning

confidence: 99%

Integrating and Exchanging XML Data Using Ontologies

Xiao

Cruz

2006

Lecture Notes in Computer Science

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Abstract. While providing a uniform syntax and a semistructured data model, XML does not express semantics but only structure such as nesting information. In this paper, we consider the problem of data integration and interoperation of heterogeneous XML sources and use an ontology-based framework to address this problem at a semantic level. Ontologies are extensively used for domain knowledge representation, by virtue of their conceptualization of the domain, which carries explicit semantics. In our approach, the global ontology is expressed in RDF Schema (RDFS) and constructed using the global-as-view approach by merging individual local ontologies, which represent XML source schemas. We provide a formal model for the mappings between XML schemas and local RDFS ontologies and those between local ontologies and the global RDFS ontology. We consider two cases of query processing, specifically for data integration and for data interoperation. In the first case, the user poses an RDF query on the global ontology, which is answered using all the mapped XML sources. In the second case, a query is posed on a single source and then is mapped to the XML sources that are connected to that source. For each case, we discuss the problem of query containment and present an equivalent query rewriting algorithm for queries expressed in two languages: conjunctive RDQL and conjunctive XQuery.

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“…that can be used to describe workflow systems and business processes in the Web services world. Integration of these languages requires comprehensive and complex mappings between them [6]. Intuitively, UML meta models may meet these requirements to some extent, especially in providing visual forms for models of classes and respective associations.…”

Section: Introductionmentioning

confidence: 99%

Analysis of business process integration in Web service context

Shen

Großmann

Yang

et al. 2007

Future Generation Computer Systems

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The integration of Web services is a recent outgrowth of the Business Process integration field that will require powerful meta-schema matching mechanisms supported by higher level abstractions, such as UML metamodels. Currently, there are many XML-based workflow process specification languages (e.g. XPDL, BPEL) which can be used to define business processes in the Web services and Grid Computing world. However, with limited capability to describe the relationships (schemas or ontologies) between process objects, the dominant use of XML as a meta-data markup language makes the semantics of the processes ambiguous. OWL-S (Ontology Web Language for Services) exploits the semantic description power of OWL to build an ontology language for services. It therefore becomes a candidate for an inter lingua. In this paper, we propose an integration framework for business processes, which is applied to Web services defined in OWL-S. KeywordsBusiness process management, Web services, Semantic web, Specification integration, UML meta-models Disciplines Physical Sciences and Mathematics Publication DetailsThis article will be published as: Shen, J, Grossman, G, AbstractThe integration of Web services is a recent outgrowth of the Business Process integration field that will require powerful meta-schema matching mechanisms supported by higher level abstractions, such as UML meta-models. Currently, there are many XML based workflow process specification languages (e.g. XPDL, BPEL) which can be used to define business processes in the Web services and Grid Computing world. However, with limited capability to describe the relationships (schemas or ontologies) between process objects, the dominant use of XML as a meta-data markup language makes the semantics of the processes ambiguous. OWL-S (Ontology Web Language for Services) exploits the semantic description power of OWL to build an ontology language for services. It therefore becomes a candidate for an inter lingua. In this paper, we propose an integration framework for business processes which is applied to Web services defined in OWL-S. We first describe the mapping from BPEL to OWL-S and what semantic relationships between Web services look like in OWL-S. Based on these relationships, integration options are applied which create a new composite Web service semi-automatically.

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IBIS: Semantic Data Integration at Work

Cited by 16 publications

References 18 publications

Enabling Cross Constraint Satisfaction in RDF-Based Heterogeneous Database Integration

Enabling Cross Constraint Satisfaction in RDF-Based Heterogeneous Database Integration

Integrating and Exchanging XML Data Using Ontologies

Analysis of business process integration in Web service context

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