Schema Evolution publication categorizer

... class extensions and types is an essential task in database design. In the context of view integration and schema integration for federated ... be merged. Inheritance hierarchies often occur explicitly in object-oriented databases as well as implicitly in relational databases. ...

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

... process would be to train a classifier for each category in the master taxonomy, and then classify objects from the source taxonomy into these categories. In this paper we attempt to use a powerful classification method, Support ...

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

... 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

... hierarchies. This procedure assists a designer in defining a global view which is a view over multiple databases. The small ... levels. The merging procedure applies the rules in two phases. In the connecting phase, the input generalization hierarchies are connected to ...

Publication - cat - 04/17/2013 - 09:27 - 0 comments - 1 attachment

... n/a Semantic matching of schemas in heterogeneous data sharing systems is time consuming and error prone. ... techniques for mapping two schemas at a time. In a large-scale scenario, where data sharing involves a large number of data ...

Publication - cat - 04/17/2013 - 08:05 - 0 comments - 0 attachments

... 500 - 999 Researchers in the ontology-design field have developed the content for ontologies in many domain areas. This distributed nature of ontology development has led ...

Publication - cat - 04/17/2013 - 05:38 - 0 comments - 0 attachments

... 210.74 KB Ontologies are being used nowadays in many areas, including bioinformatics. One of the issues in ontology research is the aligning and merging of ontologies. Tools have ...

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

... the most important of which is that schemas are placed in a partial order that has bounded joins. This means that the merging ... that the merge of schemas is independent of the order in which they are considered --- a property not possessed by existing ...

Publication - huliganka - 04/16/2013 - 20:38 - 0 comments - 1 attachment

... between them. This makes it hard to compare approaches. In this paper, we present a manifesto for research on model merging. We ...

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

... of relationships among data is an important activity in schema integration. The latter can arise as integration of user views In logical database design or as the creation of a global schema from existing ...

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

... representation of multiple data sources. The core problems in schema integration are: schema matching, i.e. the identification of ... certain of its correctness. However, this is impossible in general, thus a human expert always has to validate or modify it. In this ...

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

... nonredundant, unified representation of all data managed in an organization. This is achieved only when methodologies are available to ... then a comparative review of the work done thus far in this area. Such a framework, with the associated analysis of the existing ...

Publication - admin - 04/16/2013 - 12:49 - 0 comments - 1 attachment

... be related using (disjunctions of) the five base relations in RCC-5: N a M; N -- M; N -- M; N -- M (partial overlap of N and M); and N ! M ...

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

... measures have been proposed, completeness and minimality. In this paper, we extend these metrics for an expert integrated schema. Then, ...

Publication - cat - 04/16/2013 - 12:27 - 0 comments - 1 attachment

... Merging schemas or other structured data occurs in many different data models and applications, including merging ontologies, ... work. This paper describes some of the key works in merging schemas and discusses some of the commonalities and differences. ...

Publication - cat - 04/16/2013 - 12:27 - 0 comments - 0 attachments

... Bonifati and Rahm provides an overview of the ways in which the schema and ontology matching and mapping tools have addressed the ...

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

... enterprise intranets) do not require full integration in order to provide useful services, motivating a pay-as-you-go approach to ... sources and the mediated schema. We describe experiments in multiple domains, including 50-800 data sources, and show that our system is ...

Publication - cat - 04/16/2013 - 11:27 - 0 comments - 0 attachments

... 10 - 49 In order to compute intelligent answers to complex questions, using the vast amounts of information existing in the Web, computers have (1) to translate such knowledge, typically from text ...

Publication - cat - 04/16/2013 - 09:49 - 0 comments - 0 attachments

... The proliferation of ontologies and taxonomies in many domains increasingly demands the integration of multiple such ... integration is to merge two or more given ontologies in order to provide a unified view on the input ontologies while maintaining ...

Publication - cat - 04/16/2013 - 08:38 - 0 comments - 0 attachments

... The proliferation of ontologies and taxonomies in many domains increasingly demands the integration of multiple such ...

Publication - cat - 04/16/2013 - 08:38 - 0 comments - 1 attachment

... engines selling similar products is of great importance in allowing users to search and compare products from multiple sites with ease. ... which is inefficient and difficult to maintain. In this paper, we present WISE-Integrator – a tool that performs automatic ...

Publication - cat - 04/16/2013 - 07:27 - 0 comments - 0 attachments

... merging, also called view integration, is a key problem in conceptual modeling. Large models are often constructed and accessed by ... sources and to the merge assumptions related to them. In this paper, we present a framework for merging incomplete and inconsistent ...

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

... and (2) certain hierarchical relationships are maintained. In this paper, we provide an algorithm to compute an integrated interface from ...

Publication - cat - 04/16/2013 - 06:49 - 0 comments - 0 attachments

... teams of people with broad ranges of training to be in charge of the ontology development, design, and maintenance. Standard ... sometimes by people who do not have much training in knowledge representation. This process has generated needs for tools that ...

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

... from the schema matching process, that is, the weights and in some cases the directions that are associated with the correspondences. In this paper, we propose a more automatic approach to schema integration that ...

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