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Querying RDF graphs stored in a relational database using SPARQL and R2RML
Chaloupka, Miloš ; Nečaský, Martin (advisor) ; Kopecký, Michal (referee)
The RDF framework is becoming a popular framework for presenting data. It makes the data easily accessible and queryable. But the most common way how to store structured data is to use a relational database systems. The relational databases benefit from their long theoretical and practical history, however the relational database does not offer any convenient way how to publish the data. It is essential to create a mapping between these two worlds, to publish the data stored in a relational database in the RDF format. In the presented work we study the SPARQL algebra and create a transformation algorithm that enable us to create a virtual SPARQL endpoint over the relational data. We apply the acquired knowledge in implementation of a tool which uses the algorithm to proof the concept. Powered by TCPDF (www.tcpdf.org)
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User-Driven Mapping of XML Schemas to SQL
Chaloupka, Miloš ; Nečaský, Martin (advisor) ; Holubová, Irena (referee)
The use of relational databases to store and query XML data is a very attractive way to increase efficiency of techniques for managing these data. Due to the big differences between the relational and XML data models, it is essential to create mapping between the XML and the relational schema. In the presented work we study user-driven techniques for deriving relational database schema from a given XML Schema (expressed in XML Schema language) and apply the acquired knowledge in implementation of an experimental tool which uses the selected technique to derive relational database schema with assistance of a database designer in a user-friendly GUI.
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Android components for business applications
Tupec, Pavel ; Zavoral, Filip (advisor) ; Chaloupka, Miloš (referee)
Today, in the era of mobile technology boom, more and more companies equip their employees working in the field (salesmen, insurance agents, service workers etc.) with mobile applications in order to improve the efficiency of their work. On the market, there exist several universal applications which, however, require using some middleware, or they cannot be sufficiently modified to the customer specific needs. In this case comes the development of custom mobile application. The aim of this work is to analyze the requirements for such applications and based on this analysis propose a set of reusable components that will facilitate the development of these native applications on the Android platform. This work will also include a pilot application demonstrating the use of individual components on the sample data. Powered by TCPDF (www.tcpdf.org)
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Querying RDF graphs stored in a relational database using SPARQL and R2RML
Chaloupka, Miloš ; Nečaský, Martin (advisor) ; Kopecký, Michal (referee)
The RDF framework is becoming a popular framework for presenting data. It makes the data easily accessible and queryable. But the most common way how to store structured data is to use a relational database systems. The relational databases benefit from their long theoretical and practical history, however the relational database does not offer any convenient way how to publish the data. It is essential to create a mapping between these two worlds, to publish the data stored in a relational database in the RDF format. In the presented work we study the SPARQL algebra and create a transformation algorithm that enable us to create a virtual SPARQL endpoint over the relational data. We apply the acquired knowledge in implementation of a tool which uses the algorithm to proof the concept. Powered by TCPDF (www.tcpdf.org)
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Android components for business applications
Tupec, Pavel ; Zavoral, Filip (advisor) ; Chaloupka, Miloš (referee)
Today, in the era of mobile technology boom, more and more companies equip their employees working in the field (salesmen, insurance agents, service workers etc.) with mobile applications in order to improve the efficiency of their work. On the market, there exist several universal applications which, however, require using some middleware, or they cannot be sufficiently modified to the customer specific needs. In this case comes the development of custom mobile application. The aim of this work is to analyze the requirements for such applications and based on this analysis propose a set of reusable components that will facilitate the development of these native applications on the Android platform. This work will also include a pilot application demonstrating the use of individual components on the sample data. Powered by TCPDF (www.tcpdf.org)
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User-Driven Mapping of XML Schemas to SQL
Chaloupka, Miloš ; Nečaský, Martin (advisor) ; Holubová, Irena (referee)
The use of relational databases to store and query XML data is a very attractive way to increase efficiency of techniques for managing these data. Due to the big differences between the relational and XML data models, it is essential to create mapping between the XML and the relational schema. In the presented work we study user-driven techniques for deriving relational database schema from a given XML Schema (expressed in XML Schema language) and apply the acquired knowledge in implementation of an experimental tool which uses the selected technique to derive relational database schema with assistance of a database designer in a user-friendly GUI.
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