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109
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JACM
2010
14 years 6 months ago
2010
A schema mapping is a specification that describes how data structured under one schema (the source schema) is to be transformed into data structured under a different schema (the...
106
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ICEIS
2005
IEEE
15 years 5 months ago
2005
IEEE
Abstract: Interoperability for information systems remains a challenge both at the semantic and organisational levels. The original three-level architecture for local databases nee...
116
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VLDB
2004
ACM
15 years 5 months ago
2004
ACM
In a Web database that dynamically provides information in response to user queries, two distinct schemas, interface schema (the schema users can query) and result schema (the sch...
WWW
2003
ACM
16 years 14 days ago
2003
ACM
XML Schema has emerged as a promising data model that unites structured and unstructured content. The Oracle database has led the commercial database community in integrating supp...
100
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ICEIS
2002
IEEE
15 years 4 months ago
2002
IEEE
: The World-Wide-Web contains data that cannot be constrained by a schema. Another source for such data is heterogenous corporate systems which are integrated in order to get bette...