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... 666.47 KB Many problems in information integration rely on specifications, called schema mappings, that ... for both relational and nested data are well-known. In this work, we present a new formalism for schema mapping that extends these existing formalisms in two significant ways. First, our nested mappings allow for nesting and ...
Publication - huliganka - 04/17/2013 - 00:05 - 0 comments - 1 attachment
... for expressing declarative schema mappings, has progressed in the past few years from a research prototype into a technology that is ... depending on the kind of schemas and systems involved in the mapping. Clio currently produces XQuery, XSLT, SQL, and SQL/XML queries. ...
Publication - admin - 04/16/2013 - 13:38 - 0 comments - 1 attachment
... of heterogeneous data transformation and integration. In Clio, we have collected together a powerful set of data management techniques that have proven invaluable in tackling these difficult problems. In this paper, we present the underlying ...
Publication - massmann - 04/16/2013 - 10:38 - 0 comments - 1 attachment