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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

Data integration by bi-directional schema transformation rules

... McBrien, P; Poulovassilis, A Author:  ... Poulovassilis, A Year:  ...

Publication - cat - 04/17/2013 - 07:16 - 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

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

Relational languages for metadata integration

... 0 Citations range:  n/a Attachment Size ... 676.21 KB In this article, we develop a relational algebra for metadata integration, Federated Interoperable ...

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

Learning to Map between Structured Representations of Data

... Doan, A. Author:  Doan, A Year:  ...

Publication - huliganka - 04/16/2013 - 08:49 - 0 comments - 0 attachments

Compiling mappings to bridge applications and databases

... Melnik, S.; Adya, A.; Bernstein, P.A. Author:  ...

Publication - huliganka - 04/16/2013 - 07:49 - 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

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

Learning to Match the Schemas of Data Sources: A Multistrategy Approach

... Doan, A.; Domingos, P.; Halevy, A. Author:  ...

Publication - huliganka - 04/16/2013 - 05:27 - 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

Defining the XML Schema Matching Problem for a Personal Schema Based Query Answering System

... combined schema and data information. Tag nesting enabled a simple representation of hierarchical relations. Such enrichments sparked off a new wave of research on how to improve querying and searching of data ...

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

Managing Schema Mappings in Highly Heterogeneous Environments

... are familiar with the semantics of the data and have a good knowledge of the transformation language. The task of generating and ... task of mapping management. In particular, we present a novel framework for generating mappings between any combination of XML and ...

Publication - cat - 04/16/2013 - 02:38 - 0 comments - 0 attachments

Losslessness and semantic correctness of database schema transformation: another look at schema equivalence

... 0 Citations range:  n/a Attachment Size ... 0 bytes Transformations between two groups of relation schemata ...

Publication - cat - 04/15/2013 - 20:27 - 0 comments - 1 attachment