... Pons, A; Keller, R. K. Author: Pons, A Keller, R ...
Publication - cat - 07/03/2022 - 23:42 - 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
... overview has been published so far. Secondly, the study of a general application scenario led us to a list of requirements. We propose a general framework based on schema ...
Publication - cat - 04/17/2013 - 13:16 - 0 comments - 0 attachments
... schema of the database, support for schema evolution is a highly required feature. Therefore, a set of schema update primitives must be provided which can be used to perform ...
Publication - cat - 04/17/2013 - 13:05 - 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
... Kupfer, A Eckstein, S ... integration and meta-databases, by connecting databases on a semantical level. Still, everything fails when one of the database schemas ...
Publication - cat - 04/17/2013 - 11:05 - 0 comments - 0 attachments
... Curino, Carlo A.; Moon, Hyun J.; Ham, MyungWon; Zaniolo, Carlo ... DEMO PAPER: Information Systems are subject to a perpetual evolution, which is particularly pressing in Web Information ...
Publication - krlis1337 - 04/17/2013 - 11:05 - 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
... autonomous databases. To automate the integration process, a number of these systems suppose the existence of a shared domain ontology a priori referenced by the local ontologies embedded ...
Publication - cat - 04/17/2013 - 09:49 - 0 comments - 0 attachments
... doi:10.1016/S0169-023X(02)00207-0 Citations: ... 10 - 49 In this paper we present a formal model for the support of temporal schema versions in object-oriented ...
Publication - fgrandi - 04/17/2013 - 08:49 - 0 comments - 0 attachments
... Moon, Hyun J.; Curino, Carlo A.; MyungWon, Ham; Zaniolo, Carlo ... schema version in which they firstly appeared, leading to a perfect archival quality, but to a taxing query interface. The PRIMA ...
Publication - krlis1337 - 04/17/2013 - 07:27 - 0 comments - 0 attachments
... Deutsch, A Curino, C ... applications when the database schema evolves represents a long-standing challenge of practical and theoretical importance. Recent work ...
Publication - krlis1337 - 04/17/2013 - 06:49 - 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
... Marotta, A; Motz, R; Ruggia, R Author: Marotta, A Motz, R ...
Publication - cat - 04/17/2013 - 05:27 - 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
... affecting the day-to-day operations of the database. A very large body of literature exists today reflecting the extensive work ... paper is to examine schema evolution research and present a comprehensive summary of the different research activities from both ...
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
... 273.6 KB It is generally believed that a well-designed Conceptual Schema will remain stable over time. However, ... needs and database structures. This paper sets up a framework for stability of conceptual schemas and proceeds to develop a set ...
Publication - cat - 04/17/2013 - 04:16 - 0 comments - 1 attachment
... Keller, A.M. Author: Keller, A Year: ...
Publication - huliganka - 04/17/2013 - 00:16 - 0 comments - 1 attachment
... domain. Consequently, OLAP systems are represented by a multidimensional database schema to adequately reflect the application semantics. FIESTA presents a methodology for the evolution of such multidimensional schemas. Core of the ...
Publication - cat - 04/16/2013 - 18:16 - 0 comments - 1 attachment
... J Rubio, A Zapata, M ... ... work is the evolution of working database systems. As a step for the solution of this problem in this paper we propose MeDEA, which ...
Publication - jlloret - 04/16/2013 - 14:49 - 0 comments - 0 attachments
... building blocks for many information integration tasks. A schema mapping is a high-level specification of the relationship between two schemas, and ...
Publication - cat - 04/16/2013 - 12:16 - 0 comments - 0 attachments
... and completeness. In order to study this in more detail a workshop on Evolution and Change in Data Management was held in Paris in November 1999. It brought together researchers from a wide range of disciplines with a common interest in handling the fundamental ...
Publication - cat - 04/16/2013 - 11:38 - 0 comments - 1 attachment
... P Kosky, A Year: ... their strengths and weaknessesd develops requirements on a formal model for specifying and implementing database transformations. We ...
Publication - erhard - 04/16/2013 - 11:38 - 0 comments - 1 attachment
... Markowitz, Victor; Makowsky, Johann A. Author: ... databases to model information oriented systems. A relational schema consisting of relational schemes, together with key and ...
Publication - erhard - 04/16/2013 - 11:05 - 0 comments - 1 attachment
