... Skarra, A Zdonik, S ... such may be modified and shared. The effects of changing a type extend to objects of the type and to programs that use objects of the ...
Publication - cat - 06/15/2023 - 14:51 - 0 comments - 1 attachment
... Maedche, A.; Motik, B.; Stojanovic, L.; Studer, R.; Volz, R. ... Maedche, A Motik, B ...
Publication - cat - 06/15/2023 - 14:51 - 0 comments - 0 attachments
... 1 - 9 Updates for XML are a quite new research area. Many applications need not only to transform or ... them reject updates that violate the schema, others entail a schema evolution that generalizes the schema. We point out necessary ...
Publication - cat - 06/15/2023 - 14:51 - 0 comments - 0 attachments
... McBrien, P; Poulovassilis, A Author: ... Poulovassilis, A Year: ...
Publication - cat - 09/13/2022 - 17:45 - 0 comments - 0 attachments
... Pons, A; Keller, R. K. Author: Pons, A Keller, R ...
Publication - cat - 07/03/2022 - 23:42 - 0 comments - 0 attachments
... design (CAD) systems. In this paper we address a broad spectrum of semantic and operational issues in version control for a public/private distributed architecture of CAD systems. The research issues ...
Publication - cat - 07/28/2016 - 08:29 - 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
... 11.7 KB A methodology for extracting an extended Entity-Relationship (EER) model from a relational database is presented. Through a combination of data schema and data instance analysis, an EER model is ...
Publication - cat - 04/17/2013 - 13:27 - 0 comments - 1 attachment
... Doan, A Madhavan, J ... P Halevy, A Year: ...
Publication - admin - 04/17/2013 - 13:05 - 0 comments - 0 attachments
... Noy, Natalya Fridman; Musen, Mark A. Author: ... As ontology development becomes a more ubiquitous and collaborative process, developers face challenges in ...
Publication - cat - 04/17/2013 - 13:05 - 0 comments - 0 attachments
... 277.31 KB Database systems offering a multidimensional schema on a logical level (e.g. OLAP systems) are often used in data warehouse ...
Publication - cat - 04/17/2013 - 12:49 - 0 comments - 1 attachment
... on existing evolution support schemes and introduces a more general and functional mechanism to support schema evolution andinstance ... compatibility for old applications, while permitting a wider range of evolution operations. It achieves this by supporting schema ...
Publication - cat - 04/17/2013 - 12:38 - 0 comments - 1 attachment
... KB This paper describes work carried out on a model for the versioning of class definitions in an object-oriented database. ... on attributes of the previous and current version of a class definition, instances of any version of the class can be converted to ...
Publication - cat - 04/17/2013 - 12:38 - 0 comments - 1 attachment
... Nica, A; Lee, AJ; Rundensteiner, EA Author: Nica, A Lee, A ... 0 Citations range: ...
Publication - cat - 04/17/2013 - 12:27 - 0 comments - 1 attachment
... Motahari Nezhad, H.R.; Martens, A. ; Cubera, F.; Casati, F. Author: ... 0 Citations range: ...
Publication - cat - 04/17/2013 - 12:16 - 0 comments - 0 attachments
... severe heterogeneity problems. For instance, incorporating a new program in a legacy database application can create an integrity mismatch, since the ...
Publication - huliganka - 04/17/2013 - 12:05 - 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
... Bodenreider, O.; Burgun, A. Author: ... 0 Citations range: ...
Publication - hartung - 04/17/2013 - 12:05 - 0 comments - 0 attachments
... ontologies based on life science literature. We propose a basic algorithm as well as extensions that take the structure of the ...
Publication - cat - 04/17/2013 - 11:49 - 0 comments - 1 attachment
... the ontologies need to be aligned. Currently, there exist a number of systems that support users in aligning ontologies, but not many ... have been performed. In this paper we present a general framework for aligning ontologies where different alignment ... we exemplify the use of the framework by describing a system (SAMBO) that is developed according to this framework. Within this ...
Publication - cat - 04/17/2013 - 11:49 - 0 comments - 1 attachment
... heterogeneity, this raises heterogeneity problems to a higher level. This book proposes ontology matching as a solution to the problem of semantic heterogeneity. Ontology matching seeks ...
Publication - huliganka - 04/17/2013 - 11:38 - 0 comments - 0 attachments
... to database schemas, to data and to programs through a general strategy. This strategy requires the documentation of database ... techniques. Our approach, called DB-MAIN, relies on a generic database model and on transformational paradigm that states that ... can be modeled by schema transformations. Indeed, a transformation provides both structural and instance mappings that formally ...
Publication - huliganka - 04/17/2013 - 11:38 - 0 comments - 1 attachment
... Cleve, A Hainaut, J ... 0 Citations range: n/a Attachment Size ...
Publication - acleve - 04/17/2013 - 11:38 - 0 comments - 1 attachment
... schema evolution. The novelty of this paper consists in a method for automatic generation of automappings (automorphisms) from key ... some missing or incomplete data may be inferred. A well-defined executable semantics for mappings and operations on mappings ...
Publication - huliganka - 04/17/2013 - 11:27 - 0 comments - 0 attachments
... integration relies on the alignment of the concepts of a global ontology that describe the domain, with the concepts of the ontologies ... ontology is established, agreements that encode a variety of mappings between concepts are derived. In this way, users can ...
Publication - cat - 04/17/2013 - 11:27 - 0 comments - 0 attachments
