... from the source data based on schema mappings). We present a three-phase framework for high-performance XML-to-XML transformation based on ...
Publication - erhard - 06/15/2023 - 06:42 - 0 comments - 1 attachment
... Pons, A; Keller, R. K. Author: Pons, A Keller, R ...
Publication - cat - 07/03/2022 - 23:42 - 0 comments - 0 attachments
... Gross, A; Hartung, M; Kirsten, T; Rahm, E ... Gross, A Hartung, M ... obtaining high quality mappings makes ontology matching a resource- and time-intensive process. To improve performance we investigate ...
Publication - hartung - 07/26/2016 - 16:40 - 0 comments - 0 attachments
... to put into practice this strategy, each component of a database is seen under this architecture as the information base of an information system. Furthermore, a translation information system is considered in order to manage the ... of conceptual elements into logical schema elements. A current Oracle implementation of this architecture is also presented. ...
Publication - cat - 04/17/2013 - 13:27 - 0 comments - 1 attachment
... Cleve, A; Henrard, J.; Hainaut, JL; Author: Cleve, A Henrard, J ...
Publication - acleve - 04/17/2013 - 12:05 - 0 comments - 0 attachments
... in every aspect. On the other hand, the prototyping of a database design may also involve changes to both the structure and behavior of a schema. Unfortunately, most of the current systems offer little support for ...
Publication - erhard - 04/17/2013 - 10:05 - 0 comments - 0 attachments
... paper deals with updates of XML documents that satisfy a given schema, e.g., a DTD. In this context, when a given update violates the schema, it might be ...
Publication - cat - 04/17/2013 - 07:27 - 0 comments - 0 attachments
... Scalas, M.R.; Cappelli, A; DeCastro, C. Author: ... M Cappelli, A DeCastro, C ...
Publication - cat - 04/17/2013 - 06:49 - 0 comments - 0 attachments
... ontology in order to store or visualize their deltas is a challenging task for e-science. In this paper, we focus on languages allowing ... can be effectively and efficiently detected. We propose a specific language that provably exhibits those characteristics and provide a ...
Publication - cat - 04/17/2013 - 05:49 - 0 comments - 1 attachment
... the conceptual model (CM) or the schema associated with a mapping evolved, the mapping needs to be updated to reflect the new semantics in the CM/schema. In this paper, we propose a round-trip engineering solution which essentially synchronizes models by ...
Publication - erhard - 04/17/2013 - 05:16 - 0 comments - 0 attachments
... in databases, especially in systems which necessitate a high volume of structural changes or where structural change is difficult. This paper presents a taxonomy of changes applicable to the Entity-Relationship Model together with ...
Publication - cat - 04/17/2013 - 05:05 - 0 comments - 0 attachments
... Papastefanatos, G.; Vassiliadis, P.; Simitsis, A.; Vassiliou, Y. Author: ... P Simitsis, A Vassiliou, Y ...
Publication - pvassil - 04/17/2013 - 04:49 - 0 comments - 0 attachments
... on representation technology. This paper introduces a new methodology and transformation process based on the notion of Service, ... system transformation capabilities. MAFRA Toolkit is a specific implementation of MAFRA-Mapping FRAmework, where these new ... between major operators in tourism e-business, MAFRA plays a major role in the specification, representation and reconciliation phases of ...
Publication - admin - 04/16/2013 - 19:27 - 0 comments - 1 attachment
... rationale behind its evolution. In this paper, we describe a taxonomy of class-evolution profiles, a method for automatically categorizing a system's classes in one (or more) of ...
Publication - cat - 04/16/2013 - 09:27 - 0 comments - 0 attachments
... K Lopes, A Milojicic, D ... 10 - 49 A major advantage of Service-Oriented Architectures (SOA) is composition and ...
Publication - KarinBecker - 04/16/2013 - 08:27 - 0 comments - 0 attachments
... Papastefanatos, G.; Vassiliadis, P.; Simitsis, A.; Aggistalis, K.; Pechlivani, F.; Vassiliou, Y. ... K Simitsis, A Papastefanatos, G ...
Publication - gpapas - 04/16/2013 - 08:27 - 0 comments - 1 attachment
... Papastefanatos, G.; Vassiliadis, P.; Simitsis, A.; Vassiliou, Y. Author: ... P Simitsis, A Vassiliou, Y ...
Publication - gpapas - 04/16/2013 - 08:16 - 0 comments - 0 attachments
... Cleve, A.; Henrard, J.; Hainaut, J.-L. ... Cleve, A Henrard, J ... Database reengineering consists of deriving a new database from a legacy database and adapting the software components ...
Publication - huliganka - 04/16/2013 - 07:49 - 0 comments - 0 attachments
... to handle database evolution. In this paper, we introduce a graph-based model that uniformly captures relations, views, constraints and ...
Publication - gpapas - 04/16/2013 - 07:38 - 0 comments - 1 attachment
... 468.55 KB A recurring manual task in data integration, ontology alignment or model ... level of matching processes. In this paper we introduce a novel rewrite-based optimization technique that is generally applicable to ... in query optimization. In addition we introduce a modeling tool and recommendation system for rewriting matching processes. ...
Publication - cat - 04/16/2013 - 06:38 - 0 comments - 1 attachment
... 48.74 KB A temporal data warehouse can be defined as a set V of materialized views over non-temporal sources. We present a self-maintainable temporal data warehouse that, besides a set of temporal ...
Publication - huliganka - 04/16/2013 - 06:27 - 0 comments - 1 attachment
... class is derived from several classes. This paper proposes a solution based on the definition of a multi-level schema architecture, emphasising: (i) The integration of this ...
Publication - cat - 04/16/2013 - 06:27 - 0 comments - 0 attachments
... efficient way to solve any difficult problem is making a complete, possibly formal, problem specification. This paper introduces a formal specification for the problem of semantic XML schema matching. ...
Publication - huliganka - 04/16/2013 - 05:16 - 0 comments - 0 attachments
... Theodoratos, D; Dalamagas, T; Simitsis, A; A Simitsis, M Author: ...
Publication - cat - 04/16/2013 - 04:49 - 0 comments - 1 attachment
... objects should be traceable. In this paper we propose a method for managing schema changes by exploiting the functionality of a temporal object model. The result is a uniform treatment of schema ...
Publication - cat - 04/16/2013 - 03:38 - 0 comments - 0 attachments
