... may support automatic and user-transparent integration. In this paper we present X-SOM: an ontology mapping and integration tool. The ...
Publication - krlis1337 - 04/17/2013 - 10:38 - 0 comments - 0 attachments
... w.r.t. interoperability and data integration issues in the Semantic Web are schema and ontology matching approaches. Today it takes ... these issues, we present a rule-based evaluation method in which the best algorithms are determined semi-automatically and the ...
Publication - cat - 04/17/2013 - 09:05 - 0 comments - 0 attachments
... 10 - 49 In different areas ontologies have been developed and many of these ontologies ... results, we need to find the relationships between terms in the different ontologies, i.e. we need to align them. Currently, there ...
Publication - cat - 04/17/2013 - 08:38 - 0 comments - 0 attachments
... the right matcher for a given task has to be selected. In this paper, we present a method for improving matching results by not ... better than the median of the matchers used and in most cases outperforms the best matcher with an optimal threshold for a ...
Publication - cat - 04/17/2013 - 07:49 - 0 comments - 0 attachments
... a substantial set of instances shared by both ontologies. In this paper, we propose to use a lexical search engine to map instances from ... the effectiveness and applicability of this method in broad thesaurus mapping context. (Ontology Alignment, Instance-based) ...
Publication - cat - 04/17/2013 - 07:05 - 0 comments - 0 attachments
... provided by current schema matching tools consist in aggregating the results obtained by several match algorithms to improve the ... knobs (e.g. threshold, performance, quality, etc.). In this article, we present a novel method for selecting the most appropriate ...
Publication - cat - 04/17/2013 - 06:49 - 0 comments - 0 attachments
... both ontologies and database schemas evolve over time in order to accommodate updated information needs. Once the ontology and the ... of the semantic mapping to reflect the new semantics in the ontology and the schema. In this paper, we propose a formulation of the ...
Publication - erhard - 04/17/2013 - 06:27 - 0 comments - 0 attachments
... 10 - 49 In this work we present GOAL (Genetics for Ontology Alignments) a new ... and the results obtained show several advantages in relation to other techniques. ...
Publication - george - 04/17/2013 - 05:27 - 0 comments - 0 attachments
... to achieve interoperability or overcome impedance mismatch in modern data-centric applications. However, both schemas and conceptual ... mapping needs to be updated to reflect the new semantics in the CM/schema. In this paper, we propose a round-trip engineering solution ...
Publication - erhard - 04/17/2013 - 05:16 - 0 comments - 0 attachments
... would require a coordinated effort not easily achievable in practice. On the other hand, spontaneous communities, based on social ...
Publication - krlis1337 - 04/17/2013 - 04:27 - 0 comments - 0 attachments
... This paper summarizes the results of the X-SOM tool in the OAEI 2007 campaign. X-SOM is an extensible ontology mapper that ...
Publication - krlis1337 - 04/17/2013 - 03:49 - 0 comments - 1 attachment
... Data Integration in the Life Sciences (DILS) 2008 URL: ... KB Ontologies are heavily developed and used in life sciences and undergo continuous changes. However, the evolution of ...
Publication - hartung - 04/17/2013 - 02:38 - 0 comments - 1 attachment
... maintenance problem that has only been studied in the framework of traditional information systems. However, the problem is likely to be even more severe in web information systems, where open-source software is often developed ...
Publication - krlis1337 - 04/17/2013 - 02:05 - 0 comments - 1 attachment
... tools for automating it have been proposed and evaluated in the database community. Research in this area reveals that there is no single schema matcher that is guaranteed ...
Publication - avigal - 04/17/2013 - 02:05 - 0 comments - 1 attachment
... engineers (designers, developers) still have to face in their everyday work is the evolution of working database systems. As a step for the solution of this problem in this paper we propose MeDEA, which stands for Metamodel-based Database ...
Publication - jlloret - 04/16/2013 - 14:49 - 0 comments - 0 attachments
... Modern information systems, and web information systems in particular, are faced with frequent database schema changes, which generate ... to manage such evolution and preserve their history. In this paper, we describe the Pantha Rei Framework designed to provide ...
Publication - krlis1337 - 04/16/2013 - 10:05 - 0 comments - 0 attachments
... from the first schema to an instance of the second schema. In particular, the ability to perform data-metadata translations, transformation in which data is converted into metadata or metadata is converted into data, is ...
Publication - paolop - 04/16/2013 - 10:05 - 0 comments - 1 attachment
... 867.22 KB Many data integration solutions in the market today include tools for schema mapping, to help users visually ... XML schema mapping tool distinguished from existing tools in that mappings explicitly specify structural transformations in addition to ...
Publication - paolop - 04/16/2013 - 09:16 - 0 comments - 1 attachment
... using conventions on version numbers and namespaces. In all cases, the compatibility among services description must be evaluated, ... performed manually, particularly for complex descriptions. In this paper, we describe a method to automatically determine when two service ...
Publication - KarinBecker - 04/16/2013 - 08:27 - 0 comments - 0 attachments
... Systems face the problem of maintaining their systems in the presence of frequently occurring changes in any counterpart of it. In other words, when a change occurs in any point of ...
Publication - gpapas - 04/16/2013 - 08:27 - 0 comments - 1 attachment
... same design construct. The behavior of the chosen design in the presence of evolution events is an important parameter for this choice. ...
Publication - gpapas - 04/16/2013 - 08:16 - 0 comments - 0 attachments
... that the program analysis must be more precise, in terms of context-sensitivity than related work. However, increasing the ... Using this approach, we are able to analyse the case study in under 2 minutes on a standard desktop machine, with no false negatives and a ...
Publication - cat - 04/16/2013 - 05:38 - 0 comments - 1 attachment
... data, thus offering a way to deal with the heterogeneity in the sources. In this paper, we develop a method and a design tool that provide: 1) ...
Publication - cat - 04/16/2013 - 04:05 - 0 comments - 1 attachment
... of the integration architecture or mapping formalism. In this paper, we provide a task model for schema integration. We use this breakdown to motivate a workbench for schema integration in which multiple tools share a common knowledge repository. In particular, the ...
Publication - cat - 04/15/2013 - 23:27 - 0 comments - 0 attachments
... collect ontologies automatically by crawling the Web; in other repositories, users submit ontologies themselves. In addition to providing search across multiple ontologies, the added value of ...
Publication - cat - 04/15/2013 - 21:38 - 0 comments - 0 attachments
