Schema Evolution publication categorizer

... 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

... 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