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Translating Web Data

... problem in modern information systems. We present a novel framework for mapping among XML and relational schemas in which a high-level mapping is translated into semantically meaningful queries that ... Our approach works in two phases. In the rst phase, a high-level mapping, expressed as a set of attribute-to-attribute ...

Publication - massmann - 04/17/2013 - 09:27 - 0 comments - 0 attachments

The Spicy system: towards a notion of mapping quality

... Bonifati, A; Mecca, G; Pappalardo, A; S Raunich; Summa, G Author:  ...

Publication - admin - 04/17/2013 - 06:16 - 0 comments - 1 attachment

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

Reconciling Schemas of Disparate Data Sources: A Machine-Learning Approach

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

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

Schema Mapping as Query Discovery

... we must solve the data mapping problem in which a source (legacy) database is mapped into a different, but fixed, target schema. Schema mapping involves the discovery of ...

Publication - massmann - 04/16/2013 - 10:49 - 0 comments - 1 attachment

Data-Driven Understanding and Refinement of Schema Mappings

... problem of quickly and accurately transforming data into a new form. Database researchers have long advocated the use of declarative ... to permit widespread adoption of this approach. We present a new framework that uses data examples as the basis for understanding and ...

Publication - massmann - 04/16/2013 - 10:27 - 0 comments - 1 attachment

Data exchange with data-metadata translations

... Hernández, Mauricio A.; Papotti, Paolo; Tan, Wang Chiew ... converting an instance of one schema into an instance of a different schema according to a given specification. Recent data exchange ...

Publication - paolop - 04/16/2013 - 10:05 - 0 comments - 1 attachment

AgreementMaker: Efficient Matching for Large Real-World Schemas and Ontologies

... the design and implementation of the system: they require a responsive, powerful, and extensible framework to perform, evaluate, and compare matching methods. The system comprises a wide range of matching methods addressing di erent levels of granularity of ...

Publication - hartung - 04/15/2013 - 23:27 - 0 comments - 1 attachment