نتایج جستجو برای: relational database metadata

تعداد نتایج: 309459  

The idea of automatic generation of data entry forms based on data relational models is a common and known idea that has been discussed day by day more than before according to the popularity of agile methods in software development accompanying development of programming tools. One of the requirements of the automation methods, whether in commercial products or the relevant research projects, ...

2000
Thanh N. Huynh Oscar Mangisengi A Min Tjoa

For developing data warehouse (DW) and OnLine Analytical Processing (OLAP) systems, the dominant relational database reaches its limitations. On the way of the development, object-relational (O-R) database is preferred to get over those ones. This paper introduces metadata for data warehouse system on O-R database and specifies new kind of metadata for mapping from object-oriented environment t...

2007
Krisna Adiyarta Naomie Salim

The Grids is emerging as a building infrastructure that support coordinated management and sharing of inter-connected hardware and software resources in distributed environment. Plenty of structured data existing on the grid need to be managed by database such as relational databases. Metadata plays a critical role in grid database integration, so metadata model is put forward which comprises i...

Journal: :Information & Software Technology 2004
Damir Becarevic Mark Roantree

Recent research in federated database systems has advanced in the direction of federations of multimedia databases. However, in each project studied, there has been little emphasis placed on the subject of meta-models. Conversely, standard database systems (relational, object-relational and object-oriented) define metadata models that lack multimedia and federation features. In this paper, a sp...

2003
Abdualrraouf A. Elbibas M J. Ridley

This paper describes a technique that can be used to bridge the gap between HTML, the standard markup language of the Web, and SQL, the standard query language used to access relational DBMS. It proposes a flexible general approach to the generation and validation of HTML forms based on Meta information (Metadata) held in catalog tables in typical relational database systems. In principle integ...

2003
Huanmei Wu Becky Norum Betty Salzberg David Kaeli

The CenSSIS Image Database System is a scientific database that enables effective collaboration, scientific data sharing and accelerates fundamental research. We describe a state-of-the-art system that uses the Oracle RDBMS and J2EE technologies to provide remote, Internet-based data access. The system incorporates efficient submission and retrieval of images and metadata, indexing of metadata ...

Journal: :Computer and Information Science 2010
Shufeng Zhou Haiyun Ling Mei Han Huaiwei Zhang

There are a lot of difficulties in the ontology generation from relational database such as unclear generation approaches, un-unified ontology languages and so on. So in order to provide unified ontology and improve the quality of ontology generation, approach proposed in this paper firstly extracts database metadata information from relational database using reverse engineering technique, and ...

2004
Paolo Ceravolo Angelo Corallo Gianluca Elia Antonio Zilli

Ontology-based modelling is becoming increasingly important in the design of complex knowledge management applications. However, many problems related to large-scale ontology development, deployment and collaborative maintenance of related metadata still remain to be solved. Making online modifications to an ontology whose concepts are simultaneously being used for metadata generation may poten...

Journal: :Int. J. Cooperative Inf. Syst. 2003
Joseph Fong Qing Li Shi-Ming Huang

s – Data warehouse contains vast amount of data to support complex queries of various Decision Support Systems(DSSs). It needs to store materialized views of data, which must be available consistently and instantaneously. Using a frame metadata model, this paper presents an architecture of a universal data warehousing with different data models. The frame metadata model represents the metadata ...

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