... Proc. of 15. GI-Fachtagung für Datenbanksysteme in Business, Technologie und Web (BTW) ...
Publication - cat - 01/23/2018 - 14:29 - 0 comments - 0 attachments
... to support data integration and analysis tasks. Changes in the ontologies also require the adaptation of ontology mappings. So far the ... attention albeit ontologies change continuously especially in the life sciences. We therefore analyze how mappings between popular life ...
Publication - hartung - 01/23/2018 - 14:25 - 0 comments - 0 attachments
... them (eg, search engines and decision support systems) in order to assure an acceptable level of performance. Despite the recent advances in ontology evolution systems, the maintenance of semantic annotations remains an open problem. In this paper, we introduce, based on previous experiments, the main ...
Publication - cat - 01/21/2018 - 12:16 - 0 comments - 0 attachments
... n/a In today's Web, many functionality-wise similar Web services are offered ... The typical approach to enable interoperation in such a heterogeneous setting is through developing adapters. There have ...
Publication - cat - 04/17/2013 - 12:16 - 0 comments - 0 attachments
... n/a The entities described in the Gene Ontology, (i.e., molecular functions, cellular components and biological processes), often make reference (in their names) to other entities, either from GO or from other ontologies, ...
Publication - hartung - 04/17/2013 - 12:05 - 0 comments - 0 attachments
... n/a In this paper, we demonstrate an approach for the discovery and validation of n:m schema match in the hierarchical structures like the XML schemata. Basic idea is to propose ...
Publication - cat - 04/17/2013 - 09:49 - 0 comments - 0 attachments
... service oriented computing over the Internet. It consists in matching semantically equivalent concepts coming from heterogeneous data ...
Publication - cat - 04/17/2013 - 08:38 - 0 comments - 1 attachment
... n/a In this paper, we present a heuristic mapping method and a prototype mapping ... for the purpose of improving semantic interoperability in heterogeneous systems. The approach is based on the idea of semantic ...
Publication - cat - 04/17/2013 - 08:38 - 0 comments - 0 attachments
... n/a Semantic matching of schemas in heterogeneous data sharing systems is time consuming and error prone. ... techniques for mapping two schemas at a time. In a large-scale scenario, where data sharing involves a large number of data ...
Publication - cat - 04/17/2013 - 08:05 - 0 comments - 0 attachments
... ontologies akin to maintaining versions of software code in large software projects. Versioning systems for software code provide ...
Publication - cat - 04/17/2013 - 07:38 - 0 comments - 0 attachments
... Proc. Conference on Research Challenges in Information Science (RCIS) URL: ... provided by current schema matching tools consist in aggregating the results obtained by several match algorithms to improve the ...
Publication - cat - 04/17/2013 - 07:27 - 0 comments - 1 attachment
... the ability to map between their schemas. Unfortunately, in most cases matching between schema is still largely performed manually or ... finding semantic mappings became the principal bottleneck in the deployment of the mediation systems in large scale where the number of ...
Publication - cat - 04/17/2013 - 06:38 - 0 comments - 0 attachments
... the matching quality. Our method has been implemented in ontology matching system Lily. Experimental results demonstrate that this ...
Publication - cat - 04/17/2013 - 05:38 - 0 comments - 0 attachments
... existing ontology matching tools are not well scalable. In this paper, we present the Malasco system, which serves as a frame- work ...
Publication - george - 04/17/2013 - 05:05 - 0 comments - 1 attachment
... Semantic Interoperability in Medical Informatics @ ESWC 2012 ... promising for highly interconnected ontologies such as in the life science domain. There may be many ontologies that can be used for ...
Publication - hartung - 04/16/2013 - 22:49 - 0 comments - 1 attachment
... Summer School on Generative and Transformation Techniques in Software Engineering, LNCS 2006 ...
Publication - cat - 04/16/2013 - 19:49 - 0 comments - 1 attachment
... 676.21 KB In this article, we develop a relational algebra for metadata integration, ... where the number of relations and/or the number of columns in relations of the output varies dynamically with the input instance. Among ... generalized dynamic output schemas, where the values in any (fixed) number of input columns can determine output schemas.Further ...
Publication - cat - 04/16/2013 - 18:27 - 0 comments - 1 attachment
... for heterogeneous data exchange. Its popularity is due in large part to the ease with which diverse kinds of information can be ... exchanging such information between autonomous sources. In the absence of controlling standards, such sources will typically choose ...
Publication - cat - 04/16/2013 - 18:05 - 0 comments - 1 attachment
... matching, called semantic matching. As its name indicates, in semantic matching the key intuition is to exploit the model-theoretic information, which is codified in the nodes and the structure of graphs. The contributions of this paper are ...
Publication - admin - 04/16/2013 - 16:49 - 0 comments - 1 attachment
... WebIQ extends question answering techniques commonly used in the AI community for this purpose. We describe how to incorporate WebIQ into ... over five realworld domains show the utility ofWebIQ. In particular, the results show that acquired instances help improve matching ...
Publication - admin - 04/16/2013 - 14:05 - 0 comments - 1 attachment
... ontologies. Here we assume, an ontology is typically given in RDF (Resource Description Framework) or OWL (Web Ontology Language) and can ... ontologies, where N denotes the average number of nodes in each ontology. Our proposed algorithm called Anchor-Flood algorithm, ...
Publication - cat - 04/16/2013 - 09:38 - 0 comments - 0 attachments
... Recently, schema mapping has found considerable interest in both research and practice. Determining matching components of database or XML schemas is needed in many applications, e.g. for e-business and data integra- tion. In this ...
Publication - cat - 04/16/2013 - 07:05 - 0 comments - 1 attachment
... over the interfaces; (c) they all perform the integration in a blackbox-like fashion and the whole process has to be restarted from ... and (d) they often require laborious parameter tuning. In this paper, we propose an interactive, clustering-based approach to matching ...
Publication - cat - 04/16/2013 - 06:16 - 0 comments - 1 attachment
... the gap of different data formats, and a query is given in the destination format, query reformulation can speed up the transformation of data. We achieve this speed-up in transformation when only the required data segment, described by the ...
Publication - hartung - 04/16/2013 - 05:05 - 0 comments - 0 attachments
... +Spicy integrates the computation of core solutions in the mapping generation process in a highly efficient way, based on a natural rewriting of the given mappings. ...
Publication - hartung - 04/16/2013 - 00:27 - 0 comments - 1 attachment
