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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

Theoretical Aspects of Schema Merging

... Buneman, P.; Davidson, S.; Kosky, A. Author:  ... S Kosky, A Year:  ...

Publication - huliganka - 04/16/2013 - 20:38 - 0 comments - 1 attachment

A Model Theory for Generic Schema Management

... Alagic, S.; Bernstein, P.A. Author:  ... 0 Citations range:  ...

Publication - huliganka - 04/16/2013 - 19:27 - 0 comments - 1 attachment

Inverting Schema Mappings

... Fagin2006InvertingSchema.pdf 433.52 KB A schema mapping is a specification that describes how data structured under one schema (the ...

Publication - cat - 04/16/2013 - 18:27 - 0 comments - 1 attachment

Management of Multiple Models in an Extensible Database Design Tool

... 213.48 KB We describe the development of a tool called MDM for the management of multiple models and the translation ... for the same data schemes We first present a graph-theoretic framework that allows us to formally investigate desirable ...

Publication - huliganka - 04/16/2013 - 15:49 - 0 comments - 1 attachment

Schema Exchange: A Template-Based Approach to Data and Metadata Translation.

... In this paper we study the problem of schema exchange, a natural extension of the data exchange problem to an intensional level. ... end, we first introduce the notion of schema template, a tool for the representation of a class of schemas sharing the same ...

Publication - paolop - 04/16/2013 - 09:27 - 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

Weaving Models with the Eclipse AMW plugin

... because they conform to different extensions of a core weaving metamodel. In this paper, we explain in detail what a model weaving is. We present a set of application scenarios, and we extract ...

Publication - huliganka - 04/16/2013 - 07:38 - 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 the Editing Distance between Undirected Acyclic Graphs and Related Problems

... degree-2 distance, when applied to unordered trees, is a restricted form of the constrained distance previously reported in [27]. When applied to ordered trees, the degree-2 distance is a generalized measure of the constrained distance originated from Selkow ...

Publication - huliganka - 04/16/2013 - 06:16 - 0 comments - 0 attachments

An Equational Chase for Path-Conjunctive Queries, Constraints, and Views

... 0 Citations range:  n/a We consider the class of path-conjunctive queries ...

Publication - huliganka - 04/16/2013 - 05:38 - 0 comments - 0 attachments

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

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

Information Integration Using Logical Views

... 500 - 999 A number of ideas concerning information-integration tools can be thought of ...

Publication - huliganka - 04/16/2013 - 01:27 - 0 comments - 0 attachments

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