... applications building on Semantic Web technology. In this paper we first present the conceptual architecture underlying ...
Publication - cat - 06/15/2023 - 14:51 - 0 comments - 0 attachments
... integration and schema evolution into one framework. In previous work we have developed a general framework to support schema transformation and integration in heterogeneous database architectures. Here we show how this framework also ...
Publication - cat - 09/13/2022 - 17:45 - 0 comments - 0 attachments
... and extension) are available. The strategy of evolution in which our architecture is based is that of lsquoforward database ... down to the logical schema and to the extension. In order to put into practice this strategy, each component of a database is ... a translation information system is considered in order to manage the translation of conceptual elements into logical schema ...
Publication - cat - 04/17/2013 - 13:27 - 0 comments - 1 attachment
... the Web scale. Hence, the development of tools to assist in the ontology mapping process is crucial to the success of the Semantic ... find such mappings. Given two ontologies, for each concept in one ontology glue finds the most similar concept in the other ontology. We ...
Publication - admin - 04/17/2013 - 13:05 - 0 comments - 0 attachments
... between elements of two schemas. It is needed in many database applications, such as integration of web data sources, data ... matching system as a platform to combine multiple matchers in a flexible way. We provide a large spectrum of individual matchers, in ...
Publication - cat - 04/17/2013 - 10:49 - 0 comments - 1 attachment
... data formats continues to be an important problem in modern information systems. Schema Matching, the process of matching ... tool developed at the IBM Almaden Research Center. In this demonstration we showcase Clio’s mapping engine that allows mapping ...
Publication - massmann - 04/17/2013 - 10:16 - 0 comments - 1 attachment
... Venue: In Proceedings of VLDB, pages 598--609, 2002 ... Mapping and translating data stored in dierent formats continues to be an important problem in modern information ...
Publication - massmann - 04/17/2013 - 09:27 - 0 comments - 0 attachments
... 23.88 KB Abstract. In this paper, we present a novel approach for the management of the ... management system. It extends our previous work in the ontology evolution by taking into account the usage of the ontology in the knowledge management system. The approach is mainly based on the ...
Publication - erhard - 04/17/2013 - 09:05 - 0 comments - 1 attachment
... 50 - 99 In this paper, we address the issues related to the evolution and maintenance ... sources. The data of the data warehouse is used primarily in organizational decision-making and may be strategic. Therefore, the schema ...
Publication - erhard - 04/17/2013 - 09:05 - 0 comments - 0 attachments
... ontology must be evolved as well. As ontologies grow in size, the complexity of change management increases, thus requiring a well-structured ontology evolution process. In this paper we identify a possible six-phase evolution process and focus on ...
Publication - erhard - 04/17/2013 - 08:05 - 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
... (or view). However, existing support is lacking in two ways. First, change primitives as presented in literature are very limiting in terms of their capabilities allowing users ...
Publication - cat - 04/17/2013 - 06:38 - 0 comments - 0 attachments
... of integrated Web data. One of the main challenges in these systems is to deal with the volatile and dynamic nature of Web sources. In this work we address the effects of adding/removing/changing Web sources and ...
Publication - cat - 04/17/2013 - 05:27 - 0 comments - 0 attachments
... Multiversion support for XML documents is needed in many critical applications, such as software configuration control, ... warehouses, and ”e-permanence” of web documents. In this paper, we introduce efficient and robust techniques for: (i) storing ...
Publication - huliganka - 04/17/2013 - 00:38 - 0 comments - 1 attachment
... Venue: In Proc. PODS 2002, pages 233-246. ACM, 2002. ... of designing data integra- tion systems is important in current real world applications, and is characterized by a number of ...
Publication - huliganka - 04/16/2013 - 22:27 - 0 comments - 1 attachment
... of two data schemas or two data instances plays a key role in data warehousing, e-business, or even biochemical applications. In this paper we present a matching algorithm based on a fixpoint computation ...
Publication - admin - 04/16/2013 - 20:16 - 0 comments - 1 attachment
... 173.8 KB In this paper, we characterize the problem of maintenance of a federated schema to cope with local schema evolution in a tightled coupled federation. By means of an example, we present the ...
Publication - cat - 04/16/2013 - 19:05 - 0 comments - 1 attachment
... OAS’02 Ontologies in Agent Systems, Proc. of the AAMAS 2002 Workshop ... foundation for reliable collective coordinated action in multi-agent systems is the ability to exchange representational objects that ...
Publication - admin - 04/16/2013 - 18:49 - 0 comments - 1 attachment
... use ontologies on the Web, it is essential that changes in ontologies are managed well. This paper analyzes the topic of ontology versioning in the context of the Web by looking at the characteristics of the version ...
Publication - cat - 04/16/2013 - 18:38 - 0 comments - 1 attachment
... Furthermore, the effort required is typically linear in the number of schemas to be matched; the next pair of schemas to match is not any easier than the previous pair. In this paper we describe a system, called Automatch, that uses machine ...
Publication - admin - 04/16/2013 - 16:38 - 0 comments - 1 attachment
... 794.91 KB Recently, schema matching 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 integration. Various schema ...
Publication - admin - 04/16/2013 - 15:49 - 0 comments - 1 attachment
... can be used to determine whether a mapping is adequate in a particular context. Finally, we consider an instance of our framework ...
Publication - admin - 04/16/2013 - 15:16 - 0 comments - 1 attachment
... hampering efficient knowledge sharing between them. In order to balance the autonomy of each community with the need for ... mapping mechanisms between distributed ontologies in the Semantic Web are required. In this paper we present MAFRA, an interactive, incremental and dynamic ...
Publication - admin - 04/16/2013 - 14:49 - 0 comments - 1 attachment
... KB Sollen Workflow-Management-Systeme (WfMS) in umfassender Weise fur die rechnerbasierte Verwaltung und Steuerung von ... wo gewnscht und mglich auch auf die bereits (vielleicht in groer Zahl) laufenden Workflow-Instanzen bertragen werden sollen. Dies bei ...
Publication - cat - 04/16/2013 - 11:05 - 0 comments - 1 attachment
... workflow processes or the workflow processes are supported in a rigid manner, i.e., changes are not allowed or handled outside of the workflow management system. In this paper, we propose inheritance-preserving transformation rules for ...
Publication - cat - 04/16/2013 - 09:49 - 0 comments - 0 attachments
