... Data Integration in the Life Sciences (DILS) URL: ... - 9 Ontologies are heavily used in life sciences and evolve continuously to incorporate new or changed ...
Publication - hartung - 04/17/2013 - 12:27 - 0 comments - 0 attachments
... cost and effort required for maintaining the federation in a consistent state after its launch. If only human intervention is to be ... of change at both local and federal conceptual levels in interoperating database systems. The basis for the model is the exploitation ...
Publication - cat - 04/17/2013 - 10:05 - 0 comments - 0 attachments
... and schema objects is badly needed by us all, especially in complex, multi-enterprise development situations. This paper describes how ... and schema development are essentially synonymous, in that the applicable techniques and requisite technology are the same for ...
Publication - cat - 04/17/2013 - 08:16 - 0 comments - 0 attachments
... but there are still few and partial solu- tions. In general, given an information source, different translations can be defined for the same target model. In this work, we first identify gen- eral properties that “good” ... search. These techniques have been implemented in a tool for the man- agement of heterogeneous data models and some ...
Publication - paolop - 04/17/2013 - 04:38 - 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
... application development lifecycle. The two primary schemas in an application, the conceptual model and the persistent database model, must ... model changes and the database and mapping must evolve in kind. We present a technique that, in most cases, allows those evolutions to ...
Publication - cat - 04/16/2013 - 20:38 - 0 comments - 0 attachments
... 267.78 KB In this paper we study the problem of schema exchange, a natural extension of ...
Publication - paolop - 04/16/2013 - 09:27 - 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
... Proc. 3rd ER-Workshop Evolution and Change in Data Management (ECDM 2004), LNCS 3289 ... 1 - 9 One of the main challenges in data integration systems is the maintenance of the mappings between the ...
Publication - cat - 04/16/2013 - 08:49 - 0 comments - 0 attachments
... are added, removed or updated rather often. Small changes in the database configurations might impact a large number of applications and ...
Publication - gpapas - 04/16/2013 - 07:27 - 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
... the myriad of possible change semantics a user may desire in the future, any pre-defined set is not sufficient. Rather we present a ... invariants, can be a very expensive re-engineering effort. In this paper we present an approach that de-couples the constraints from the ...
Publication - cat - 04/16/2013 - 02:49 - 0 comments - 1 attachment
... versioning, and emulation at the instance level). In addition, we introduce the concept of class/schema version pertinence ...
Publication - cat - 04/16/2013 - 01:38 - 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
... are designed for loosely coupled systems, which means that in many cases it is not possible to synchronously upgrade all peers of a Web ... Instead, Web Service peers should be able to coexist in different versions. Additionally, older software versions often could ...
Publication - cat - 04/15/2013 - 23:49 - 0 comments - 0 attachments
... If not performed with care, updates can cause problems. In this paper, we present a procedure which safely adds a fact type to a ...
Publication - cat - 04/15/2013 - 21:38 - 0 comments - 1 attachment
