Schema Evolution publication categorizer

... of heterogeneous data such as XML over the Web or in XML databases. By means of mappings from source to target schemas, Clio can ... precise semantics of data transformation and integration. In this paper we study the problem of how to efficiently implement such data ...

Publication - erhard - 06/15/2023 - 06:42 - 0 comments - 1 attachment

... 10 - 49 In distributed geospatial applications with heterogeneous databases, an ... with the concepts of the ontologies that describe the data in the distributed databases. Once the alignment between the global ontology ...

Publication - cat - 04/17/2013 - 11:27 - 0 comments - 0 attachments

... 10 - 49 In different areas ontologies have been developed and many of these ontologies ... results, we need to find the relationships between terms in the different ontologies, i.e. we need to align them. Currently, there ...

Publication - cat - 04/17/2013 - 08:27 - 0 comments - 0 attachments

... 10 - 49 In this paper, we deal with the problem of performing what-if analysis for changes that occur in the schema/structure of the data warehouse sources. We abstract software ...

Publication - pvassil - 04/17/2013 - 04:49 - 0 comments - 0 attachments

... data exchange have become popular and useful tools both in research and industry. A schema mapping relates a source schema with a ... be used to materialize data at the target or used as views in a virtually integrated system. We present a classification of mapping ...

Publication - cat - 04/17/2013 - 03:27 - 0 comments - 1 attachment

... Proc. of Data Integration in the Life Sciences (DILS), 2007 URL:  ... 188.63 KB Ontologies are heavily used in life sciences so that there is increasing value to match different ...

Publication - hartung - 04/17/2013 - 02:49 - 0 comments - 1 attachment

... is proposed, and its application to the system described in Johnson et al. [15] is illustrated. Two judges categorized errors according ... The results of applying the model to the system described in [15] reveal the reason for a puzzling set of results in that paper, and also ...

Publication - hartung - 04/17/2013 - 01:49 - 0 comments - 1 attachment

... the rich Web of interconnected and annotated objects in multiple repositories, and to identify meaningful associations. Consider a physical link between objects in two repositories, where each of the objects is annotated with controlled ...

Publication - hartung - 04/15/2013 - 23:05 - 0 comments - 0 attachments

... 10 - 49 In this paper, we propose a multi-strategic matching and merging approach to ...

Publication - cat - 04/15/2013 - 22:16 - 0 comments - 0 attachments

... Ontology mapping is the key to data interoperability in the semantic web vision. Computing mappings is the first step to ... merging. This problem has received a lot of attention in recent years, but little is known about how users actually construct ... How do teams coordinate when performing mappings? In this paper, we discuss the results from an online user survey where we ...

Publication - cat - 04/15/2013 - 22:05 - 0 comments - 1 attachment

... for ontology mapping and merging are very restricted in term of resolving mismatches or proposing accurate matches with no or ... these systems do not consider all information available in the semantic knowledge of the ontologies. In this paper we are proposing a ...

Publication - cat - 04/15/2013 - 21:05 - 0 comments - 0 attachments

... concerning all these subtasks. It is implemented in a tool called CoDEX (Conceptual Design and Evolution of XML schemas). ...

Publication - hartung - 04/15/2013 - 20:49 - 0 comments - 0 attachments