... of the most important functions which need to be supported in integrated computer-aided design (CAD) systems. In this paper we address a broad spectrum of semantic and operational issues in ...
Publication - cat - 07/28/2016 - 08:29 - 0 comments - 0 attachments
... OWL. COMA++ includes new approaches for ontology matching, in particular the utilization of shared taxonomies. Furthermore, different ...
Publication - Anonymous - 04/17/2013 - 11:16 - 0 comments - 1 attachment
... manipulating object-based views on relational databases. In this paper, we present a scheme for handling update operations on view ...
Publication - erhard - 04/17/2013 - 09:38 - 0 comments - 0 attachments
... Venue: In Proceedings of VLDB, pages 598--609, 2002 ... Mapping and translating data stored in dierent formats continues to be an important problem in modern information ...
Publication - massmann - 04/17/2013 - 09:27 - 0 comments - 0 attachments
... 970.14 KB In relational databases a view definition is a query against the database, and ... materialization over a database may change as relations in the database undergo modificationsIn this paper a mechanism is proposed in which the view is materialized at all times The problem which this mechanism ...
Publication - cat - 04/17/2013 - 08:05 - 0 comments - 1 attachment
... databases, and version and configuration management. In this paper we focus on detecting meaningful changes in hierarchically structured data, such as nested-object data. This problem is ...
Publication - huliganka - 04/17/2013 - 00:38 - 0 comments - 1 attachment
... A broad spectrum of data is available on the Web in distinct heterogeneous sources, and stored under different formats. ... and conversion mechanisms increases greatly. In this paper we present a new translation system, based on ...
Publication - admin - 04/16/2013 - 17:16 - 0 comments - 1 attachment
... are ample sources that provide structured information in the same domains (e.g., books and automobiles). Second, while sources ... demonstrate our approach over hundreds of real Web sources in four domains and the results show good accuracy. (Sigmod / VLDB, Web ...
Publication - admin - 04/16/2013 - 17:05 - 0 comments - 1 attachment
... which takes evolution into account. Its originality is in allowing the development of partial schema versions, or views of a schema. These versions are created in the same database from a common schema. We define the set of authorised ...
Publication - cat - 04/16/2013 - 11:38 - 0 comments - 1 attachment
... applications we must solve the data mapping problem in which a source (legacy) database is mapped into a different, but fixed, ... We describe the use of the value correspondence framework in Clio, a prototype tool for semi-automated schema mapping, and present an ...
Publication - massmann - 04/16/2013 - 10:49 - 0 comments - 1 attachment
... or within enterprises—has received much attention in the database and AI communities. The focus has been on building data ... a uniform query interface to the sources. A key bottleneck in building such systems has been the laborious manual construction of semantic ...
Publication - huliganka - 04/16/2013 - 05:27 - 0 comments - 0 attachments
... us to a revised vision that differs from the original in two main respects: the operations must handle more expressive mappings, and ...
Publication - huliganka - 04/16/2013 - 03:16 - 0 comments - 1 attachment
... have been proposed and implemented. However, research in versions has been focused exclusively on versioning single design objects. In a multi-user design environment where the schema (definition) of the ...
Publication - cat - 04/15/2013 - 21:05 - 0 comments - 1 attachment
