Schema Evolution publication categorizer

... that can be made by querying a database system, and, in particular, look at which observations are valid for a particular database ... being merged. However we establish that one cannot, in general, find a meaningful binary merging operator which is associative, ...

Publication - huliganka - 07/03/2022 - 23:42 - 0 comments - 0 attachments

... perspectives. Researchers have examined schema evolution in single stand-alone databases and schema evolution in an integrated heterogeneous set of databases has received little attention. ...

Publication - cat - 04/17/2013 - 05:05 - 0 comments - 0 attachments

... mainly domain knowledge. As the use of ontologies in several kinds of ISs increased in the recent years significantly, the question of how to maintain these ...

Publication - hartung - 04/17/2013 - 01:27 - 0 comments - 1 attachment

... “model” is today considered as a promising technology in domains such as data and software engineering. In the field of model engineering, models are now viewed as firts-class ...

Publication - huliganka - 04/17/2013 - 00:49 - 0 comments - 1 attachment

... because the cost of outage for corporations involved in e-commerce can easily reach millions of dollars per hour. Today, it is ...

Publication - cat - 04/16/2013 - 18:49 - 0 comments - 1 attachment

... for a large part, this information will become available in XML. As such, it is a valuable source of information for other users, who ... to guide them through the wealth of information. In this report, we investigate a specific information finding approach – ...

Publication - huliganka - 04/16/2013 - 05:16 - 0 comments - 0 attachments

... or changing parts of the language. Making versioning work in practice is one of the most difficult problems in computing, with a long history of failed attempts. Arguably one reason why ...

Publication - cat - 04/16/2013 - 05:05 - 0 comments - 0 attachments

... exchanging data via a peer to peer overlay network. In this setting, a mediated global schema is unrealistic. Yet, ... fragment of XQuery, that employs the mapping rules in either direction. We show the translation algorithm is correct. Finally, we ...

Publication - massmann - 04/16/2013 - 01:05 - 0 comments - 0 attachments

... technical report describes how IQL queries are processed in the AutoMed heterogeneous data integration system, and also how data ... supported. We start with an outline of the IQL language in Section 2. We then consider in Section 3 an abstract representation of this ...

Publication - huliganka - 04/16/2013 - 00:49 - 0 comments - 0 attachments

... API versioning is a common problem in the design of any distributed system, and Web services are unfortunately no exception. In this article, Kyle Brown and Michael Ellis will outline the scope of the ...

Publication - cat - 04/15/2013 - 20:27 - 0 comments - 0 attachments

... parts -- is called versioning. To make versioning work in practice is one of the most difficult problems in computing, with a long history of failed attempts. Arguably, the Web rose ...

Publication - cat - 04/15/2013 - 20:05 - 0 comments - 0 attachments