Schema Evolution publication categorizer

... KB We examine the problem of type evolution in an object-oriented database environment. Type definitions are persistent objects in the database and as such may be modified and shared. The effects of changing ...

Publication - cat - 06/15/2023 - 14:51 - 0 comments - 1 attachment

... systems support updates operations via special APIs. In all update languages the content and the structure of documents can be ... the XML schema after or during accomplishing an update. In this article, we suggest different architectures for processing such ...

Publication - cat - 06/15/2023 - 14:51 - 0 comments - 0 attachments

... applications building on Semantic Web technology. In this paper we first present the conceptual architecture underlying ...

Publication - cat - 06/15/2023 - 14:51 - 0 comments - 0 attachments

... BIS conference' Workshop, 1st Workshop on Advances in Accessing Deep Web (ADW 2008), Innsbruck, Austria 5-7 May 2008. CEUR ... challenges to be solved. Among them is schema matching. In this paper, we build a conceptual connection between the schema matching ...

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

... integration and schema evolution into one framework. In previous work we have developed a general framework to support schema transformation and integration in heterogeneous database architectures. Here we show how this framework also ...

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

... We are concerned by schema evolution in Object Oriented Databases (OODB) that is processed by a modification on the ... a new categorization of the different modifications in three categories : primitive, composite and complexe modifications. On ...

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

... even altogether schema-free. They allow to store datasets in different structural versions to co-exist. Yet even when the database ... about the structure of the stored data. For instance, in Figure 1, the Java code in lines 1 through 9 implies a schema: An entity for ...

Publication - cat - 04/17/2022 - 19:15 - 0 comments - 0 attachments

... These ontology-based mappings and annotations are used in many applications and analysis tasks. Since biomedical ontologies are ... approaches to keep ontology-based mappings up-to-date in the presence of evolving ontologies. In this article, we survey current ...

Publication - cat - 01/23/2018 - 14:38 - 0 comments - 0 attachments

... Proc. 10th Intl. Conference on Data Integration in the Life Sciences (DILS) Citations ... of new insights and knowledge affects specific portions in ontologies and thus leads to their adaptation. Therefore, it is valuable to ...

Publication - cat - 01/23/2018 - 14:35 - 0 comments - 0 attachments

... Proc. 9th Intl. Conference on Data Integration in the Life Sciences (DILS) Citations ... We propose two approaches for tackling this problem in a largely automatic way: (1) a composition-based adaptation relying on ...

Publication - cat - 01/23/2018 - 14:33 - 0 comments - 0 attachments

... to support data integration and analysis tasks. Changes in the ontologies also require the adaptation of ontology mappings. So far the ... attention albeit ontologies change continuously especially in the life sciences. We therefore analyze how mappings between popular life ...

Publication - hartung - 01/23/2018 - 14:25 - 0 comments - 0 attachments

... to support data integration and analysis tasks. Changes in the ontologies also require the adaptation of ontology mappings. So far the ... attention albeit ontologies change continuously especially in the life sciences. We therefore analyze how mappings between popular life ...

Publication - cat - 01/23/2018 - 14:23 - 0 comments - 0 attachments

... Such a Diff supports the synchronization of changes in collaborative curation, the adaptation of dependent data such as ... entire subgraphs. The proposed algorithm is customizable in different ways to meet the requirements of diverse ontologies and ... be used for version management and annotation migration in collaborative curation. (Diff, Journal, Ontology evolution, Research ...

Publication - hartung - 01/22/2018 - 09:28 - 0 comments - 0 attachments

... them (eg, search engines and decision support systems) in order to assure an acceptable level of performance. Despite the recent advances in ontology evolution systems, the maintenance of semantic annotations remains an open problem. In this paper, we introduce, based on previous experiments, the main ...

Publication - cat - 01/21/2018 - 12:16 - 0 comments - 0 attachments

... Motivation: Ontologies are used in the annotation and analysis of biological data. As knowledge accumulates, ... enrichment analyses that describe experimental data in terms of ontological groupings. Here we investigate to what degree ...

Publication - cat - 01/21/2018 - 12:06 - 0 comments - 0 attachments

... are involved. Moreover, system modifications that result in changes to database structure are relatively frequent [Sjoberg, D. 1992, ... schema is a common, but often troublesome, occurrence in database administration. These are significant industrial concerns, both ...

Publication - cat - 01/20/2018 - 09:23 - 0 comments - 0 attachments

... Schema versioning provides a mechanism for handling change in the structure of database systems and has been investigated widely, both in the context of static and temporal databases. With the growing interest in ...

Publication - cat - 01/19/2018 - 18:46 - 0 comments - 0 attachments

... to avoid the ad hoc, one-off extensions commonly employed in information systems design. Schema versioning is one of a number of related ... multiple schemata for various database related tasks. In particular, schema versioning, and its weaker companion, schema evolution, ...

Publication - cat - 01/19/2018 - 18:11 - 0 comments - 0 attachments

... of the most important functions which need to be supported in integrated computer-aided design (CAD) systems. In this paper we address a broad spectrum of semantic and operational issues in ...

Publication - cat - 07/28/2016 - 08:29 - 0 comments - 0 attachments

... also allow practitioners to evaluate their potential use in particular change scenarios. As an initial step towards this taxonomy, the ...

Publication - cat - 07/26/2016 - 16:40 - 0 comments - 0 attachments

... We introduce a protocol for schema evolution in a globally distributed database management system with shared data, ... Our protocol is asynchronous--it allows different servers in the database system to transition to a new schema at different times--and ...

Publication - cat - 10/24/2013 - 14:57 - 0 comments - 0 attachments

... ETL architect needs to design and improve an ETL design in a way that satisfies both performance and correctness guarantees and often, she has to choose among various alternative designs. In this paper, we focus on ways to predict the maintenance effort of ETL ...

Publication - pvassil - 04/25/2013 - 08:40 - 0 comments - 0 attachments

... and extension) are available. The strategy of evolution in which our architecture is based is that of lsquoforward database ... down to the logical schema and to the extension. In order to put into practice this strategy, each component of a database is ... a translation information system is considered in order to manage the translation of conceptual elements into logical schema ...

Publication - cat - 04/17/2013 - 13:27 - 0 comments - 1 attachment

... These have been demonstrated to be implementable in a knowledge-based system; a working prototype system which does so is briefly discussed. In addition, cases in which human input is required are also clearly identified. This research ...

Publication - cat - 04/17/2013 - 13:27 - 0 comments - 1 attachment

... invalid, and as a result, may become non-interpretable. In this paper, we address precisely this problem, validity of data instances ... one component imply semantic changes to other components in the ontology. Third, we propose a validity identification approach that ...

Publication - cat - 04/17/2013 - 13:27 - 0 comments - 0 attachments