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

... to improve the matching effectiveness. This paper presents a dynamic multistrategy ontology alignment framework, named RiMOM. The key ... between ontologies may vary widely. We propose a systematic approach to quantitatively estimate the similarity characteristics ...

Publication - george - 04/17/2013 - 10:38 - 0 comments - 0 attachments

... 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

... Habermann, A Year:  ... complex schema changes, but also database reorganization. A database administrator uses a declarative notation to describe mappings ...

Publication - cat - 04/16/2013 - 17:38 - 0 comments - 1 attachment

... called (semi-)automatic alignment — of ontologies is a core task to achieve interoperability when two agents or services use ... We here consider QOM, Quick Ontology Mapping, as a way to trade off between effectiveness (i.e. quality) and efficiency of the ...

Publication - admin - 04/16/2013 - 17:16 - 0 comments - 1 attachment

... 273.18 KB Ontology alignment is a prerequisite in order to allow for interoperation between different ... Process Feature Estimation and Learning) we present a machine learning approach that explores the user validation of initial ... ontology definitions. Core to APFEL is the idea of a generic alignment process, the steps of which may be represented explicitly. ...

Publication - admin - 04/16/2013 - 13:27 - 0 comments - 1 attachment

... 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