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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

Nested Mappings: Schema Mapping Reloaded

... Fuxman, A.; Hernandez, M.A.; Ho, H.; Miller, R.J.; Papotti, P.; Popa, L. ...

Publication - huliganka - 04/17/2013 - 00:05 - 0 comments - 1 attachment

Composing Schema Mappings: Second-Order Dependencies to the Rescue

... 486.39 KB A schema mapping is a specification that describes how data structured under one schema (the ... schema) is to be transformed into data structured under a different schema (the target schema). A fundamental problem is composing ...

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

Clio Grows Up: From Research Prototype to Industrial Tool

... schema mappings, has progressed in the past few years from a research prototype into a technology that is behind some of IBM's mapping technology. Clio provides a ...

Publication - admin - 04/16/2013 - 13:38 - 0 comments - 1 attachment

Mapping Adaptation under Evolving Schemas

... reflected in the mappings. Mappings left inconsistent by a schema change have to be detected and updated. As large, complicated ... view definitions) is becoming impractical. We present a novel framework and a tool (ToMAS) for automatically adapting mappings as ...

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

The Clio Project: Managing Heterogeneity

... 564.77 KB Clio is a system for managing and facilitating the complex tasks of heterogeneous data ... and integration. In Clio, we have collected together a powerful set of data management techniques that have proven invaluable in ... present the underlying themes of our approach and present a brief case study. (cs.toronto.edu) ...

Publication - massmann - 04/16/2013 - 10:38 - 0 comments - 1 attachment

Semantic Adaptation of Schema Mappings when Schemas Evolve

... depending on the schemas, such as schema mappings. In a heterogenous environment, where cooperation among data sources depends ... mappings and the evolution. We design and implement a mapping adaptation system based on mapping composition as well as ...

Publication - cat - 04/16/2013 - 09:16 - 0 comments - 1 attachment