... of heterogeneous data such as XML over the Web or in XML databases. By means of mappings from source to target schemas, Clio can ... precise semantics of data transformation and integration. In this paper we study the problem of how to efficiently implement such data ...
Publication - erhard - 06/15/2023 - 06:42 - 0 comments - 1 attachment
... 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
... Data Integration in the Life Sciences (DILS) URL: ... for parallel matching on multiple compute nodes. In particular, we consider inter-matcher and intra-matcher parallelism as well ...
Publication - hartung - 07/26/2016 - 16:40 - 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
... heart of model driven engineering (MDE) and can be used in many different application scenarios. For instance, model transformations ... that automates the development of model transformations. In this paper we propose a novel approach that uses matching transformations ...
Publication - huliganka - 04/17/2013 - 11:16 - 0 comments - 1 attachment
... 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
... are conceptually integrated into a single cohesive schema. In this work we propose a modeling framework for schema integration, capturing ... with the outcome of a schema integration process. In this paper we provide a systematic analysis of the process properties and ...
Publication - avigal - 04/17/2013 - 03:05 - 0 comments - 1 attachment
... 210.34 KB Information seeking is the process in which human beings recourse to information resources in order to increase their level of knowledge with respect to their goals. In ...
Publication - avigal - 04/17/2013 - 02:27 - 0 comments - 1 attachment
... semantic relations. Ontology mapping faces new challenges in the context of Semantic Web, especially concerning heterogeneity, dynamics, ... are being validated. MAFRA Toolkit is being applied in the European project Harmonise, which aims to provide solutions for (semi-) ...
Publication - admin - 04/16/2013 - 19:27 - 0 comments - 1 attachment
... of interest arises when S is the class of all instances, in which case an S-inverse is a global inverse. We focus on the important ... we show how to construct an S-inverse when one exists. In particular, we show how to construct a global inverse when one exists. ...
Publication - cat - 04/16/2013 - 18:27 - 0 comments - 1 attachment
... when two agents or services use different ontologies. In the existing literature, the focus has so far been on improving the ... than existing prominent approaches. Then, we show in experiments that this theoretical investigation translates into practical ...
Publication - admin - 04/16/2013 - 17:16 - 0 comments - 1 attachment
... KB Ontology alignment is a prerequisite in order to allow for interoperation between different ontologies and many ... of substrategies from which they have been built. In fact, scrutinizing current ontology alignment methods, one may recognize ... by machine learning approaches. APFEL compares favorably in our experiments to competing approaches. (Conference, Ontology ...
Publication - admin - 04/16/2013 - 13:27 - 0 comments - 1 attachment
... Data integration is an old but still open issue in the database research area, where Semantic Web technologies, such as ... find and solve conflicts due to data source heterogeneity. In this paper we present X-SOM: an ontology mapping tool developed within the ...
Publication - krlis1337 - 04/16/2013 - 09:05 - 0 comments - 0 attachments
... 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
... inference is discussed. (Conference, no paper type, OA in the Life Sciences) ...
Publication - hartung - 04/16/2013 - 08:05 - 0 comments - 0 attachments
... 468.55 KB A recurring manual task in data integration, ontology alignment or model management is finding mappings between complex meta data structures. In order to reduce the manual effort, many matching algorithms for ...
Publication - cat - 04/16/2013 - 06:38 - 0 comments - 1 attachment
... 10 - 49 The first step in finding an efficient way to solve any difficult problem is making a ... solved by these systems do not exist, or are partial. In this paper, we analyze the problem of seman- tic schema matching, identify ...
Publication - huliganka - 04/16/2013 - 05:16 - 0 comments - 0 attachments
... Mapping complex metadata structures is crucial in a number of domains such as data integration, ontology alignment or model ...
Publication - cat - 04/16/2013 - 03:49 - 0 comments - 1 attachment
... need to interrelate different life science ontologies in order to facilitate data integration or semantic data analysis. Ontology ... linguistic and structural similarity of their concepts. In this paper we investigate an indirect computation of ontology mappings that ...
Publication - hartung - 04/16/2013 - 02:05 - 0 comments - 0 attachments
... Proc. of 13. GI-Fachtagung für Datenbanksysteme in Business, Technologie und Web (BTW) ... and more robust ontology mappings. The approach is generic in that it can be applied independently from the utilized match technique. We ...
Publication - hartung - 04/16/2013 - 00:16 - 0 comments - 1 attachment
... little attention so far. A key problem is that there is in general no single best solution for a merge task and that merging may either ...
Publication - cat - 04/15/2013 - 21:27 - 0 comments - 1 attachment
