Schema Evolution publication categorizer

... that can be made by querying a database system, and, in particular, look at which observations are valid for a particular database ... being merged. However we establish that one cannot, in general, find a meaningful binary merging operator which is associative, ...

Publication - huliganka - 07/03/2022 - 23:42 - 0 comments - 0 attachments

... this challenge that have received considerable attention in recent years are data exchange and data integration. The study of data ... database schemas. Schema mappings are typically expressed in declarative languages based on logical formalisms and are chosen with two ...

Publication - cat - 04/17/2013 - 11:16 - 0 comments - 1 attachment

... “model” is today considered as a promising technology in domains such as data and software engineering. In the field of model engineering, models are now viewed as firts-class ...

Publication - huliganka - 04/17/2013 - 00:49 - 0 comments - 1 attachment

... uniformly constraints and queries along with structures. In addition, our formalism captures schema transformations between different ...

Publication - cat - 04/16/2013 - 03:49 - 0 comments - 0 attachments

... by a set of intermediate model meta-classes (organized in the form of a directed acyclic graph (DAG) to achieve extensibility y), ... of these meta-classes are used to describe a schema in a given data model. The proposed approach supports dynamic meta-schema ...

Publication - huliganka - 04/16/2013 - 00:49 - 0 comments - 0 attachments

... Venue:  In Sixth IFIP TC-2 Working Conf. on Data Semantics (DS-6), Atlanta, Georgia, ... 10 - 49 In this paper we study the problem of translating schemes between different ...

Publication - huliganka - 04/15/2013 - 23:16 - 0 comments - 0 attachments