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Beyond Schema Versioning: A Flexible Model for Spatio-Temporal Schema Selection

... range:  n/a Schema versioning provides a mechanism for handling change in the structure of database systems and has ...

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

Combining and relating ontologies: an analysis of problems and solutions

... have become even more important. Although there is already a lot of research done in this area, there are still many open questions. In ... paper we try to classify the problems that may arise into a common framework. We then use that framework to examine several projects that ...

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

Generic Schema Matching With Cupid

... Madhavan, J.; Bernstein, P. A.; Rahm, E. Author:  ... 139.48 KB Schema matching is a critical step in many applications, such as XML message mapping, data ...

Publication - admin - 04/17/2013 - 10:49 - 0 comments - 1 attachment

Evolution Support in Large-Scale Interoperable Systems: a Metadata Driven Approach

... N Jones, A Gray, W ... cost and effort required for maintaining the federation in a consistent state after its launch. If only human intervention is to be ...

Publication - cat - 04/17/2013 - 10:05 - 0 comments - 0 attachments

Types of software evolution and software maintenance

... of both practitioners and researchers would be helped by a more objective and finer granularity recognition of types of software ... as actually done. To these ends, this paper proposes a clarifying redefinition of the types of software evolution and software ...

Publication - erhard - 04/17/2013 - 09:16 - 0 comments - 0 attachments

XEM: XML Evolution Management

... the Extensible Markup Language (XML) has been emerging as a standard format for data representation on the web. In many application ... document type definitions (DTDs) are designed to enforce a semantically agreed-upon structure of the XML documents. In XML context, ...

Publication - cat - 04/17/2013 - 09:16 - 0 comments - 0 attachments

Defining Metrics for Conceptual Schema Evolution

... 273.6 KB It is generally believed that a well-designed Conceptual Schema will remain stable over time. However, ... needs and database structures. This paper sets up a framework for stability of conceptual schemas and proceeds to develop a set ...

Publication - cat - 04/17/2013 - 04:16 - 0 comments - 1 attachment

The Use of Machine-Generated Ontologies in Dynamic Information Seeking

... Modica, G.; Gal, A.; Jamil, H. Author:  ... G Gal, A Jamil, H ...

Publication - avigal - 04/17/2013 - 02:27 - 0 comments - 1 attachment

Automating the transformation of XML documents

... between such documents must thus be created manually on a case-by-case basis. In this paper, we explore the problem of how to automate ... of the document transformation process. One, we propose a set of schema transformation operations that establish semantic relationships ...

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

A Survey of Approaches to Automatic Schema Matching

... Rahm, E.; Bernstein, P. A. Author:  ... 191.63 KB Schema matching is a basic problem in many database application domains, such as data ... research papers have proposed many techniques to achieve a partial automation of the match operation for specific application domains. ...

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

Schema Evolution in SQL-99 and Commercial (Object-) Relational DBMS

... Database schema evolution refers to changes of a database schema that occur during the lifetime of the corresponding database. ...

Publication - cat - 04/16/2013 - 20:49 - 0 comments - 1 attachment

Monotonic complements for independent data warehouses

... range:  n/a Attachment Size ... to (query and update) independence within a formal framework, where independence with respect to arbitrary given sets of ...

Publication - cat - 04/16/2013 - 19:38 - 0 comments - 1 attachment

A Model Theory for Generic Schema Management

... Alagic, S.; Bernstein, P.A. Author:  ... 0 Citations range:  ...

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

Anchor-PROMPT: Using Non-Local Context for Semantic Matching

... Noy, N. F.; Musen, M. A. Author:  ... This distributed nature of ontology development has led to a large number of ontologies covering overlapping domains, which researchers ...

Publication - admin - 04/16/2013 - 17:05 - 0 comments - 1 attachment

Reconciling Schemas of Disparate Data Sources: A Machine-Learning Approach

... Doan, A.; Domingos, P.; Halevy, A. Author:  ...

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

Format Evolution

... Laemmel2001Format.pdf 160.21 KB A systematic approach to the adaptation of XML documents and their DTDs is ...

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

Autoplex: Automated Discovery of Content for Virtual Databases

... Berlin, J.; Motro, A. Author:  ... J Motro, A Year:  ...

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

Schema Evolution in Federated Information Systems

... – used in federated information systems – provide a homogeneous read-only access to a set of autonomous information sources. To achieve semantic integration of the ...

Publication - cat - 04/16/2013 - 13:05 - 0 comments - 1 attachment

Evolution von XML-Dokumenten

... Zeitz, A. Author:  Zeitz, A Year:  ...

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

Clio: A Semi-Automatic Tool For Schema Mapping

Authors:  Hernandez, Mauricio; Miller, Renee; Haas, Laura; Yan, Ling Ling; Ho, Howard; Tian, Xuqing Author:  He ...

Publication - massmann - 04/16/2013 - 11:27 - 0 comments - 1 attachment

The Clio Project: Managing Heterogeneity

... 564.77 KB Clio is a system for managing and facilitating the complex tasks of heterogeneous data ... and integration. In Clio, we have collected together a powerful set of data management techniques that have proven invaluable in ... present the underlying themes of our approach and present a brief case study. (cs.toronto.edu) ...

Publication - massmann - 04/16/2013 - 10:38 - 0 comments - 1 attachment

Data-Driven Understanding and Refinement of Schema Mappings

... problem of quickly and accurately transforming data into a new form. Database researchers have long advocated the use of declarative ... to permit widespread adoption of this approach. We present a new framework that uses data examples as the basis for understanding and ...

Publication - massmann - 04/16/2013 - 10:27 - 0 comments - 1 attachment

XML Schema Versioning

... range:  n/a Attachment Size ...

Publication - cat - 04/16/2013 - 09:38 - 0 comments - 1 attachment

A Randomized Approach for the Incremental Design of an Evolving Data Warehouse

... Theodoratos, D; Dalamagas, T; Simitsis, A; A Simitsis, M Author:  ...

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

Engineering for Conceptual Schema Flexibility

... enough to accommodate future changes. This paper presents a comparative review of a dozen current engineering approaches as to which mechanisms they employ to ...

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