... also allow practitioners to evaluate their potential use in particular change scenarios. As an initial step towards this taxonomy, the ...
Publication - cat - 07/26/2016 - 16:40 - 0 comments - 0 attachments
... 10 - 49 In this paper we present a formal model for the support of temporal schema versions in object-oriented databases. Its definition is partially based on a generic ...
Publication - fgrandi - 04/17/2013 - 08:49 - 0 comments - 0 attachments
... 100 - 499 In this paper we describe a new approach to data integration which subsumes the ...
Publication - cat - 04/17/2013 - 07:16 - 0 comments - 0 attachments
... 500 - 999 Researchers in the ontology-design field have developed the content for ontologies in many domain areas. This distributed nature of ontology development has led ...
Publication - cat - 04/17/2013 - 05:38 - 0 comments - 0 attachments
... perspectives. Researchers have examined schema evolution in single stand-alone databases and schema evolution in an integrated heterogeneous set of databases has received little attention. ...
Publication - cat - 04/17/2013 - 05:05 - 0 comments - 0 attachments
... solutions for them. (Journal, no paper type, OA in the Life Sciences) ...
Publication - hartung - 04/17/2013 - 03:16 - 0 comments - 1 attachment
... 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
... prepositional attachment). The number of concepts aligned in two ontologies of anatomy before and after augmentation serves as the ...
Publication - hartung - 04/17/2013 - 01:16 - 0 comments - 1 attachment
... 210.74 KB Ontologies are being used nowadays in many areas, including bioinformatics. One of the issues in ontology research is the aligning and merging of ontologies. Tools have ...
Publication - cat - 04/16/2013 - 21:38 - 0 comments - 1 attachment
... for ontology evolution becomes extremely important in distributed development and use of ontologies. Information about change can be represented in many different ways. We describe these different representations and ... integrates them. We show how different representations in the framework are related by describing some techniques and heuristics ...
Publication - cat - 04/16/2013 - 21:38 - 0 comments - 1 attachment
... matching, we must also compute indirect element matches. In this paper, we present a framework for generating direct as well as ...
Publication - huliganka - 04/16/2013 - 20:49 - 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
... parts of a given data collection play an important role in many database applications. In dynamic environments where data is updated, not only information provided by ...
Publication - cat - 04/16/2013 - 18:16 - 0 comments - 1 attachment
... Semantic mappings between data sources play a key role in several data sharing architectures. Mappings provide the relationships between data stored in different sources, and therefore enable answering queries that require ...
Publication - admin - 04/16/2013 - 17:49 - 0 comments - 1 attachment
... schema evolution, standard information systems currently in use raise challenging problems when evolution is concerned. This paper ... and describes a CASE tool that can assist developers in their task of system evolution. (info.fundp.ac.be) ...
Publication - cat - 04/16/2013 - 17:38 - 0 comments - 1 attachment
... are of limited use because some bias is applied both in the collection and categorization of pages. We propose a method for ... learning. Our method provides the mapping of categories in order to transfer documents from one directory to another, instead of simply ...
Publication - admin - 04/16/2013 - 17:27 - 0 comments - 1 attachment
... are ample sources that provide structured information in the same domains (e.g., books and automobiles). Second, while sources ... demonstrate our approach over hundreds of real Web sources in four domains and the results show good accuracy. (Sigmod / VLDB, Web ...
Publication - admin - 04/16/2013 - 17:05 - 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
... KB We consider the problem of mapping data in peer-topeer data-sharing systems. Such systems often rely on the use of ... of corresponding values to search for data residing in different peers. In this paper, we address semantic and algorithmic issues ...
Publication - Anonymous - 04/16/2013 - 16:05 - 0 comments - 1 attachment
... previous solutions to the schema matching problem rely in some fashion upon identifying "similar" column names in the schemas to be matched, or by recognizing common domains in the data ...
Publication - admin - 04/16/2013 - 15:27 - 0 comments - 1 attachment
... KB Mappings between ontologies are changes in the ontologies. In this explain a mechanism to define modular and mappings in a way that ...
Publication - cat - 04/16/2013 - 13:05 - 0 comments - 1 attachment
... schema and data across data model boundaries. Researchers in the past have looked at both customized algorithmic approaches as well as ... now take the meta-modeling approach the next step-forward. In this paper we propose a flexible, extensible and re-usable transformation ...
Publication - cat - 04/16/2013 - 12:16 - 0 comments - 1 attachment
... Sachverhalte. Mit Hilfe solcher Modelle kann der Mensch in seiner tglichen Arbeit untersttzt werden. So gibt es z. B. Datenbankschemata ...
Publication - cat - 04/16/2013 - 11:16 - 0 comments - 1 attachment
... describing different domains. To enable interoperability in the Semantic Web, it will be necessary to break these ontologies down into ... that may be reused. Currently, three problems arise in that scenario. Firstly, it is difficult to locate ontologies to be reused, ...
Publication - cat - 04/16/2013 - 11:05 - 0 comments - 1 attachment
... to translate data from one representation to another. In dynamic environments like the Web, data sources may change not only ... query capabilities. Such changes must be reflected in the mappings. Mappings left inconsistent by a schema change have to be ...
Publication - cat - 04/16/2013 - 10:49 - 0 comments - 1 attachment
