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Modeling and Merging Database Schemas

... Kosky, A.S. Author:  Kosky, A Year:  ...

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

Laconic Schema Mappings: Computing the Core with SQL Queries

... 234.28 KB A schema mapping is a declarative specification of the relationship between instances of a source schema and a target schema. The data exchange (or data translation) ...

Publication - hartung - 04/17/2013 - 12:16 - 0 comments - 1 attachment

Structural characterizations of schema-mapping languages

... 11.7 KB Information integration is a key challenge faced by all major organizations, business and governmental ... formalisms and are chosen with two criteria in mind: (a) expressive power sufficient to specify interesting data interoperability ...

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

A formal model for temporal schema versioning in object-oriented databases

... 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

Schema Evolution for XML: A Consistency-preserving Approach

... paper deals with updates of XML documents that satisfy a given schema, e.g., a DTD. In this context, when a given update violates the schema, it might be ...

Publication - cat - 04/17/2013 - 07:27 - 0 comments - 0 attachments

Core Schema Mappings

... about data exchange. These study how to generate a solution -- i.e., a target instance -- given a set of mappings usually specified as tuple generating dependencies. However, ...

Publication - salva - 04/17/2013 - 06:05 - 0 comments - 0 attachments

Rank Aggregation for Automatic Schema Matching

... Domshlak, C.; Gal, A.; Roitman, H. Author:  ... C Gal, A Roitman, H ...

Publication - avigal - 04/17/2013 - 02:05 - 0 comments - 1 attachment

An Introduction to the ATLAS Model Management Architecture

... The concept of “model” is today considered as a promising technology in domains such as data and software engineering. In ... processes. Such an integration will however require a set of dedicated tools enabling to perform standard model operations onto ...

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

Comment on Bancilhon and Spyratos' "Update semantics and relational views"

... Keller, A.M. Author:  Keller, A Year:  ...

Publication - huliganka - 04/17/2013 - 00:16 - 0 comments - 1 attachment

Semantics of Database Transformations

... 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

Co-transformations in Information System Reengineering

... Cleve, A.; Henrard, J.; Hainaut, J.-L. ... Cleve, A Henrard, J ... Database reengineering consists of deriving a new database from a legacy database and adapting the software components ...

Publication - huliganka - 04/16/2013 - 07:49 - 0 comments - 0 attachments

Efficient Maintenance of Temporal Data Warehouses

... 48.74 KB A temporal data warehouse can be defined as a set V of materialized views over non-temporal sources. We present a self-maintainable temporal data warehouse that, besides a set of temporal ...

Publication - huliganka - 04/16/2013 - 06:27 - 0 comments - 1 attachment

On complementary and independent mappings on databases

... Keller, A.M.; Ullman, J.D. Author:  Keller, A Ullman, J ...

Publication - huliganka - 04/16/2013 - 05:49 - 0 comments - 1 attachment

Formalizing the XML Schema Matching Problem as a Constraint Optimization Problem

... efficient way to solve any difficult problem is making a complete, possibly formal, problem specification. This paper introduces a formal specification for the problem of semantic XML schema matching. ...

Publication - huliganka - 04/16/2013 - 05:16 - 0 comments - 0 attachments

Correct Schema Transformations.

... 10 - 49 We develop a formal basis of correct schema transformations. Schemas are formalized as ...

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

Making Workflow Change Acceptable

... Moor, A de; Jeusfeld, MA Author:  Moor, A Jeusfeld, M ...

Publication - cat - 04/16/2013 - 02:05 - 0 comments - 1 attachment

A semantic meta-modelling approach to schema transformation

... presents an intermediate meta-model that consists of a set of generic meta-classes that capture and describe the semantics of a variety of data models. A model is described by a set of intermediate model ...

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

Schema Translation between Heterogeneous Data Models in a Lattice Framework

... translating schemes between different data models, in a formal framework that refers to a wide range of models. We first introduce a graphtheoretic formalism that ...

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