... 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
... 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
... and collaborative process, developers face challenges in managing multiple ontologies, including comparing, aligning, and merging ... different formalisms. The uniform framework presented in this article assists users with these tasks by leveraging data and algorithms developed for one tool in other tools. (Journal, no paper type, Ontology Alignment, Ontology ...
Publication - cat - 04/17/2013 - 13:05 - 0 comments - 0 attachments
... support scheme is distinguished from previous mechanisms in that it is primarily concerned with preserving existing database objects and ...
Publication - cat - 04/17/2013 - 12:38 - 0 comments - 1 attachment
... problems. For instance, incorporating a new program in a legacy database application can create an integrity mismatch, since the ... different (e.g. standard file model versus OO model). In addition, neither the legacy DBMS (too weak to address integrity issues ...
Publication - huliganka - 04/17/2013 - 12:05 - 0 comments - 1 attachment
... schema evolution, standard information systems currently in use raise challenging evolution problems. This paper examines database ... and describe a CASE tool that can assist developers in their task of system evolution. We illustrate our approach with Biomaze, a ...
Publication - huliganka - 04/17/2013 - 11:38 - 0 comments - 1 attachment
... approach for expressing and tracking changes in rule-based programs in the course of program evolution. To this end, we design an operator suite ...
Publication - cat - 04/17/2013 - 10:27 - 0 comments - 0 attachments
... Achieving correct changes is the dominant activity in the application software industry. Modification of database schemata is ... of a large-scale database application currently running in several hospitals in the UK are presented and interpreted. The kind of ...
Publication - cat - 04/17/2013 - 10:27 - 0 comments - 0 attachments
... The past two decades have seen increasing sophistication in software work. Now and in the future, the work of both practitioners and researchers would be helped ...
Publication - erhard - 04/17/2013 - 09:16 - 0 comments - 0 attachments
... 50 - 99 In this paper, we address the issues related to the evolution and maintenance ... sources. The data of the data warehouse is used primarily in organizational decision-making and may be strategic. Therefore, the schema ...
Publication - erhard - 04/17/2013 - 09:05 - 0 comments - 0 attachments
... keep the programs flexible and short, they are described in terms of propagation patterns. Each phase of an evolution history is tested in small steps that are constrained by class dictionary graphs belonging to a ...
Publication - erhard - 04/17/2013 - 08:49 - 0 comments - 0 attachments
... validation. These criteria are important to be considered in designing reverse engineering methods, so that they can perform reverse ...
Publication - cat - 04/17/2013 - 08:27 - 0 comments - 0 attachments
... view system to support capacity-augmenting views. In this paper, we present algorithms that implement the complete set of typical ...
Publication - cat - 04/17/2013 - 06:38 - 0 comments - 0 attachments
... of integrated Web data. One of the main challenges in these systems is to deal with the volatile and dynamic nature of Web sources. In this work we address the effects of adding/removing/changing Web sources and ...
Publication - cat - 04/17/2013 - 05:27 - 0 comments - 0 attachments
... provide high level quality of data and quality of service. In the DWQ project we have proposed an architectural framework and a repository ... metadata which describes all the data warehouse components in a set of metamodels to which is added a quality metamodel, defining for each ...
Publication - cat - 04/17/2013 - 05:27 - 0 comments - 1 attachment
... of domain-specific models has not been explored deeply in the modeling community. Traditional modeling practice using the UML relies ... (i.e., all UML diagrams conform to a single metamodel). In contrast, Domain- Specific Modeling (DSM) is an emerging model-driven ...
Publication - cat - 04/17/2013 - 03:05 - 0 comments - 1 attachment
... KB Sollen Workflow-Management-Systeme (WfMS) in umfassender Weise fur die rechnerbasierte Verwaltung und Steuerung von ... wo gewnscht und mglich auch auf die bereits (vielleicht in groer Zahl) laufenden Workflow-Instanzen bertragen werden sollen. Dies bei ...
Publication - cat - 04/16/2013 - 11:05 - 0 comments - 1 attachment
Authors: Gray, J; Lin, Y; Zhang, J Author: Gray, J Lin, Y ...
Publication - cat - 04/16/2013 - 08:05 - 0 comments - 0 attachments
... will allow us to build on the extensive research in schema evolution. However, there are also important differences between ... knowledge models. A lot of problems that existed only in theory in database research come to the forefront as practical problems in ...
Publication - cat - 04/16/2013 - 04:49 - 0 comments - 0 attachments
... construction and maintenance of data warehouses (views) in large-scale environments composed of numerous distributed and evolving ... the problem of schema changes of ISs, while previous work in this area, such as incremental view maintenance, has mainly dealt with data ...
Publication - cat - 04/16/2013 - 02:27 - 0 comments - 0 attachments
... usually show a high degree of heterogeneity and change in their metadata. We propose a platform for collaborative management and ...
Publication - hartung - 04/16/2013 - 00:05 - 0 comments - 0 attachments
... 100 - 499 In engineering applications, multiple copies of object descriptions have to coexist in a single database. A scheme is proposed that enables users to explicitly ...
Publication - cat - 04/15/2013 - 22:49 - 0 comments - 0 attachments
... 583.01 KB In our emerging digital paper-less society, massive amount of information is being maintained in on-line repositories and diverse web site representations of this ... two representative sample applications with such needs. In this paper we present a database-centric approach called Re-Web that ...
Publication - cat - 04/15/2013 - 22:16 - 0 comments - 1 attachment
