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Data Modeling and Relational Storage of XML-based Teachware

by Christian Süß, Ulrich Zukowski, Burkhard Freitag , 2001
"... Today, many teachware management and e-learning systems are still based on the ordinary file-system. This stands in conflict with typical requirements found in teachware applications: multiple views on and adaptivity of the course material, support of reuse, low redundancy. In this paper, we present ..."
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present a fragmentation-based generic approach to the loss-less storage of XML teachware documents which supports the efficient retrieval and reconstruction of teachware modules and can be adapted to the particularities of the individual application domain. The storage model is based on a general meta-modeling

From XML schema to relations: A cost-based approach to XML storage

by Phil Bohannon, Juliana Freire, Prasan Roy, Jérôme Siméon - In ICDE , 2002
"... bohannon,juliana,prasan,simeon¡ XML has become an important medium for data representation, particularly when that data is exchanged over or browsed on the Internet. As the volume of XML data increases, there is a growing interest in storing XML in relational databases so that the well-developed fea ..."
Abstract - Cited by 152 (13 self) - Add to MetaCart
presents interesting challenges. LegoDB is a cost-based XML-to-relational mapping engine that addresses this problem. It explores a space of possible mappings and selects the best mapping for a given application (defined by an XML Schema, XML data statistics, and an XML query workload). LegoDB leverages

AN XML-BASED APPROACH FOR THE COMPOSITION OF MAPS AND CHARTS

by unknown authors
"... Traditional approaches for the storage and composition of maps/charts on the Web, involve the utilization of commercial geographic/cartographic systems and databases structured and built around a Relational Data model. These approaches impose a number of limitations on the users, the data and the w ..."
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Traditional approaches for the storage and composition of maps/charts on the Web, involve the utilization of commercial geographic/cartographic systems and databases structured and built around a Relational Data model. These approaches impose a number of limitations on the users, the data

XML-Based RDF Data Management for Efficient Query Processing

by Mo Zhou, Yuqing Wu
"... The Semantic Web, which represents a web of knowledge, offers new opportunities to search for knowledge and information. To harvest such search power requires robust and scalable data repositories that can store RDF data and support efficient evaluation of SPARQL queries. Most of the existing RDF st ..."
Abstract - Cited by 2 (0 self) - Add to MetaCart
storage techniques rely on relation model and relational database technologies for these tasks. They either keep the RDF data as triples, or decompose it into multiple relations. The mis-match between the graph model of the RDF data and the rigid 2D tables of relational model jeopardizes the scalability

XML-based EIS – A Meta Schema for Mapping XML Schema to Relational DBS

by Elisabeth Kapsammer
"... Abstract. Enterprise information systems (EIS) often employ relational database systems to store their content. At the same time, XML constitutes the dominant standard for data exchange as well as for the hypertext level of web-enabled EIS. Thus, the integration of XML with relational database syste ..."
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systems to allow the storage, retrieval, and update of XML documents is of paramount importance in the context of EIS. Data model heterogeneity and schema heterogeneity, however, make this a challenging task. This paper proposes X-Ray, a generic approach facilitating the composition of XML documents out

Efficient Relational Storage and Retrieval of XML Documents

by Albrecht Schmidt, Martin Kersten, Menzo Windhouwer, Florian Waas - In ACM SIGMOD Workshop on the Web and Databases (WebDB , 2000
"... In this paper, we present a data and an execution model that allow for efficient storage and retrieval of XML documents in a relational database. The data model is strictly based on the notion of binary associations: by decomposing XML documents into small, exible and semantically homogeneous units ..."
Abstract - Cited by 101 (9 self) - Add to MetaCart
In this paper, we present a data and an execution model that allow for efficient storage and retrieval of XML documents in a relational database. The data model is strictly based on the notion of binary associations: by decomposing XML documents into small, exible and semantically homogeneous units

XML vectorization: A column-based XML storage model

by Byron Choi, Peter Buneman, Byron Choi, Peter Buneman , 2003
"... The usual method for storing tables in a relational database is to store each tuple contiguously in sec-ondary storage. A simple alternative is to store the columns contiguously, so that a table is repre-sented as a set of vectors all of the same length. It has been shown that such a representation ..."
Abstract - Cited by 3 (0 self) - Add to MetaCart
-ignated paths (corresponding to the column data). We consider such a shredding as a storage model – XML vectorization – by presenting an indexing scheme and a physical algebra associated with a detailed cost model. We study query processing on the XML vectorization, in particular the XML join queries. XML join

STUDY ON NATIVE XML DATABASE BASED GML STORAGE MODEL

by Shuliang Zhang A, Jiayan Gan A, Jiehui Xu A, Guonian Lv A
"... As a mature spatial interoperability specification of OGC, GML rapidly plays an important role in a large number of GIS research and application domains, such as spatial data modelling, transmission and exchanging, integration and sharing, because of its advantages of opening and self-description fo ..."
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relational database, which ultimately result in low performance of GML application and destroy abundant semantic of GML data. Thus, appropriate GML storage approach would improve extend and depth of GML application.By analogy approach, this paper study on storage and manage model of XML data, analyze current

Rubel P: XML based mediation for automating the storage of SCP-ECG data into relational databases

by H Jumaa, J Fayn, P Rubel - Comput Cardiol
"... The aim of this paper is to present a generic mediator for automating the storage and retrieval of an SCP-ECG message into and from a relational database. The architecture of the mediator is based on the XML technology and its related languages and derivatives (XML Schema, XSLT…), which provide powe ..."
Abstract - Cited by 1 (0 self) - Add to MetaCart
The aim of this paper is to present a generic mediator for automating the storage and retrieval of an SCP-ECG message into and from a relational database. The architecture of the mediator is based on the XML technology and its related languages and derivatives (XML Schema, XSLT…), which provide

Storage Model for CDA Documents

by Zheng Liang Peter , 2002
"... The Health Level 7 Clinic Document Architecture (CDA) is an XML-based document markup standard that specifies the hierarchical structure and semantics of "clinical documents" for the purpose of information exchange. In this research, issues arising with the design and implementation of a D ..."
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The Health Level 7 Clinic Document Architecture (CDA) is an XML-based document markup standard that specifies the hierarchical structure and semantics of "clinical documents" for the purpose of information exchange. In this research, issues arising with the design and implementation of a
Results 1 - 10 of 70