... 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
... 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
... 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
... 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
... evolution is the process of applying changes to a schema in a consistent way and propagating these changes to the instances while the database is in operation. In this process there are two problems to consider: semantics of ...
Publication - cat - 04/16/2013 - 05:49 - 0 comments - 0 attachments
... 50 - 99 In this paper we present an approach to model ontology evolution as ... by a set of rules defining ontology consistency. In this way we allow a user to specify an arbitrary request declaratively and ...
Publication - cat - 04/16/2013 - 05:05 - 0 comments - 0 attachments
... or changing parts of the language. Making versioning work in practice is one of the most difficult problems in computing, with a long history of failed attempts. Arguably one reason why ...
Publication - cat - 04/16/2013 - 05:05 - 0 comments - 0 attachments
... 1 - 9 In this paper, we propose a schema versioning mechanism to manage the schema evolution in temporal object-oriented databases. The schema evolution management uses an ...
Publication - cat - 04/16/2013 - 04:38 - 0 comments - 0 attachments
... 1 - 9 In this paper, we propose a methodology for managing database evolutions by ... The first ontology describes the changes occurring in a database application. The second one aims at characterizing techniques and ...
Publication - cat - 04/16/2013 - 02:38 - 0 comments - 0 attachments
... There is much current interest in publishing and viewing databases as XML documents. The general benefits of ... for visualizing and processing information encoded in this universal standard. In this paper, we explore the additional and unique ...
Publication - cat - 04/16/2013 - 02:16 - 0 comments - 0 attachments
... 918.38 KB revious works in data integration can be classified according to the approach used to define ... limit of this approach is the management of the evolutions in the system. Indeed, each time a change occurs at the source schema level, ...
Publication - cat - 04/15/2013 - 21:16 - 0 comments - 1 attachment
... 281.43 KB In this paper we present a proposal for safely evolving a software sys- tem ... of the system to be adapted. The evolution takes place in two steps: first a meta-object, called evo- lutionary meta-object, plans a ...
Publication - cat - 04/15/2013 - 21:16 - 0 comments - 1 attachment
