Schema Evolution publication categorizer

... 1.67 MB Ontologies play a key role in the advent of the Semantic Web. An important problem when dealing with ontologies is the modification of an existing ontology in response to a certain need for change. This problem is a complex and ... as the same term is often used with different meanings in the relevant literature, creating a certain amount of confusion. The purpose ...

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

... consistent propagation of changes to dependent artifacts. In this article, we present an ontology evolution approach in the context of multimedia interpretation. Ontology evolution in this context ...

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

... groups of experts, actual ontology users are not involved in the development process. Such an individual approach in creating ontologies, lead to a weak community grounding. On the other hand, ...

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

... maintenance problem that has only been studied in the framework of traditional information systems. However, the problem is likely to be even more severe in web information systems, where open-source software is often developed ...

Publication - krlis1337 - 04/17/2013 - 02:05 - 0 comments - 1 attachment

... information systems that is further exacerbated in web information systems, such as Wikipedia and public scientific databases: in these projects based on multiparty cooperation the frequency of database ...

Publication - krlis1337 - 04/17/2013 - 01:38 - 0 comments - 1 attachment

... 666.47 KB Many problems in information integration rely on specifications, called schema mappings, that ... for both relational and nested data are well-known. In this work, we present a new formalism for schema mapping that extends these existing formalisms in two significant ways. First, our nested mappings allow for nesting and ...

Publication - huliganka - 04/17/2013 - 00:05 - 0 comments - 1 attachment

... to automate aspects of XML schemas matching task. In this paper, we identify two major problems encountered when current matching algorithms are used in the context of XML documents transformations. The first problem concerns ...

Publication - huliganka - 04/17/2013 - 00:05 - 0 comments - 1 attachment

... Venue:  In Proc. PODS 2002, pages 233-246. ACM, 2002. ... of designing data integra- tion systems is important in current real world applications, and is characterized by a number of ...

Publication - huliganka - 04/16/2013 - 22:27 - 0 comments - 1 attachment

... warehousing systems are fully operational, a crucial role in preserving their up-to-dateness is played by the ability to manage the ... that the data warehouse (DW) schema undergoes over time in response to evolving business requirements. In this paper we propose an ...

Publication - cat - 04/16/2013 - 22:05 - 0 comments - 1 attachment

... Manager supports a specialized user, the model engineer, in the definition of a variety of models, on the basis of a limited set of ...

Publication - huliganka - 04/16/2013 - 19:27 - 0 comments - 1 attachment

... 177.63 KB In this paper a semantic approach for the specification and the management of ... reasoning tasks can be supported, based on an encoding in description logics. (cs.man.ac.uk, deis.unibo.it) ...

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

... the meaning (concepts, not labels) which is codified in the elements and the structures of schemas. In this paper we present basic and optimized algorithms for semantic schema ...

Publication - admin - 04/16/2013 - 14:27 - 0 comments - 1 attachment

... task, also called “schema matching”, is a crucial step in integrating heterogeneous collections. As schemas may have different ...

Publication - admin - 04/16/2013 - 14:27 - 0 comments - 1 attachment

... A wide family of models is handled, by using a metamodel in which models can be succinctly and precisely described. The approach is ... schemas, and the rules used to implement translations. In this way, the transformations can be customized and the tool can be easily ...

Publication - admin - 04/16/2013 - 14:05 - 0 comments - 1 attachment

... We argue that the proposed dataset can play a key role in supporting the empirical analysis for the research effort in the area of taxonomy matching. (dit.unitn.it, itc.it) ...

Publication - admin - 04/16/2013 - 13:49 - 0 comments - 1 attachment

... 186.02 KB In this paper we investigate the problem of XML Schema evolution. We first ...

Publication - cat - 04/16/2013 - 12:38 - 0 comments - 1 attachment

... . Schema and ontology matching is a critical problem in many application domains, such as semantic web, schema/ontology integration, ... different matching solutions have been proposed so far. In this paper we present a new classification of schema-based matching ...

Publication - admin - 04/16/2013 - 10:16 - 0 comments - 1 attachment

... data: given a source instance I of a schema S expressed in a source model, and a target model TM, it generates a schema S0 expressed in TM that is “equivalent” to S and an instance I0 of S0 “equivalent” ...

Publication - cat - 04/16/2013 - 03:38 - 0 comments - 1 attachment