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Schema Evolution
Venue type
- Sigmod / VLDB (4)
- ICDE (2)
- Journal (1)
... to bring data in different representations into a common form. Key contributions of Clio are the definition of non-procedural ... the relationship between data in heterogeneous schemas, a new paradigm in which we view the mapping creation process as one of query ...
Publication - cat - 04/17/2013 - 11:27 - 0 comments - 0 attachments
... sources. To be effective, such systemsmust provide a unified, queryable schema, and must be able to transform data from different ... to connect to several information sources makes them a natural base for doing more complex transformations as well. In this paper, ...
Publication - massmann - 04/17/2013 - 10:38 - 0 comments - 1 attachment
... Schema Matching, the process of matching elements of a source schema with elements of a target schema, and Schema Mapping, the process of creating a query that ...
Publication - massmann - 04/17/2013 - 10:16 - 0 comments - 1 attachment
... 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
... 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
... 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
... 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
... Raffio, A.; Braga, D.; S.Ceri; Papotti, P.; Hernandez, M.A. Author: ...
Publication - paolop - 04/16/2013 - 09:16 - 0 comments - 1 attachment
... Clarkson, K.A. Year: ... schemas. Defining transformations between schemas is a key objective in information integration. However, this process often ...
Publication - cat - 04/15/2013 - 23:16 - 0 comments - 1 attachment