Schema Evolution publication categorizer

... as well as implicitly in relational databases. Since a concept lattice can be regarded as an inheritance hierarchy we propose to ... and complexity of concept analysis algorithms we provide a new algorithm tailored to our problem. The new algorithm has polynomial ...

Publication - cat - 09/13/2022 - 17:45 - 0 comments - 0 attachments

... We address the problem of integrating objects from a source taxonomy into a master taxonomy. This problem is not only currently pervasive on the web, but ...

Publication - cat - 07/03/2022 - 23:42 - 0 comments - 1 attachment

... - 99 In this article, we propose a change detection approach in the context of an ontology evolution framework ... been applied. Innovative is that the framework includes a change detection mechanism that allows generating automatically a detailed ...

Publication - cat - 04/17/2013 - 13:16 - 0 comments - 0 attachments

... Lambrix, P; Edberg, A Author:  ... P Edberg, A Year:  ...

Publication - cat - 04/16/2013 - 21:38 - 0 comments - 1 attachment

... Fagin2006InvertingSchema.pdf 433.52 KB A schema mapping is a specification that describes how data structured under one schema (the ...

Publication - cat - 04/16/2013 - 18:27 - 0 comments - 1 attachment

... 213.48 KB We describe the development of a tool called MDM for the management of multiple models and the translation ... for the same data schemes We first present a graph-theoretic framework that allows us to formally investigate desirable ...

Publication - huliganka - 04/16/2013 - 15:49 - 0 comments - 1 attachment

... Kotis, K.; Vouros, G. A.; Stergiou, K. Author:  ... source ontologies to their intended meanings. We propose a series of methods for ontology mapping (towards merging) with varying degrees ...

Publication - admin - 04/16/2013 - 14:38 - 0 comments - 1 attachment

... 181.77 KB If a modeling task is distributed, it will frequently be necessary to merge ... it hard to compare approaches. In this paper, we present a manifesto for research on model merging. We propose a framework for comparing different approaches to merging, by treating merge ...

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

... views In logical database design or as the creation of a global schema from existing databases in a distributed or centralized environment. During the “view lntegration" phase ...

Publication - cat - 04/16/2013 - 13:05 - 0 comments - 0 attachments

... Schema integration is the activity of providing a unified representation of multiple data sources. The core problems in schema ... schema objects, and schema merging, i.e. the creation of a unified schema based on the identified mappings. Existing schema matching ...

Publication - cat - 04/16/2013 - 12:49 - 0 comments - 0 attachments

... Bellahsène, Z; Bonifati, A; Rahm, E Author:  ... Z Bonifati, A Rahm, E ...

Publication - cat - 04/16/2013 - 11:49 - 0 comments - 0 attachments

... View merging, also called view integration, is a key problem in conceptual modeling. Large models are often constructed and ... views, but it is important to be able to consolidate a set of views to gain a unified perspective, to understand interactions ...

Publication - cat - 04/16/2013 - 07:05 - 0 comments - 0 attachments

... degree-2 distance, when applied to unordered trees, is a restricted form of the constrained distance previously reported in [27]. When applied to ordered trees, the degree-2 distance is a generalized measure of the constrained distance originated from Selkow ...

Publication - huliganka - 04/16/2013 - 06:16 - 0 comments - 0 attachments

... 398.75 KB A schema mapping is a specification that describes how data from a source schema is to be mapped to a target schema. Once the data has been ...

Publication - cat - 04/16/2013 - 05:49 - 0 comments - 1 attachment

... in order to answer important business questions, creating a need for integration of web-based XML data. Previous web-based data ... exclusively on the logical level of data models, creating a need for techniques that focus on the conceptual level in order to ... structure and properties of the available data to users at a higher level of abstraction. The most widely used conceptual model at the ...

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

... The approach translates both schemas and data: given a source instance I of a schema S expressed in a source model, and a target model TM, it generates ...

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

... Melnik, S.; Bernstein, P.; Halevy, A.; Rahm, E. Author:  ... P Halevy, A Rahm, E ...

Publication - admin - 04/16/2013 - 03:27 - 0 comments - 1 attachment

... Bernstein, P.A.; Melnik, S.; Nash, A. Author:  ...

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

... Bernstein, P.A.; Green, T.J.; Melnik, S.; Nash, A. Author:  ...

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