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Papers by Paul-Thomas Kandzia

Proc. Role of Universities in the Future …, 1999

VIROR combines the efforts of four prestigious universities in SW Germany to systematically intro... more VIROR combines the efforts of four prestigious universities in SW Germany to systematically introduce information technology to teaching and learning. The long-term goal is to allow students to freely combine self-paced distance learning with studies at the participating ...

Knowledge Representation Meets Databases, 1997

OMAR (Oriental Manuscript Resource) [11] is a database which provides extensive search facilities... more OMAR (Oriental Manuscript Resource) [11] is a database which provides extensive search facilities for oriental manuscripts. It is currently based on the collections of the Oriental Seminar at the University of Freiburg which comprise about 2.500 manuscripts. These are stored as images. KEYWORDS: database, orient, manuscripts

Softwaretechnik-Trends, 2004

Der Universitare Lehrverbund Informatik hat ein Programm von uber 30 Fernkursen aufgebaut. Der Gr... more Der Universitare Lehrverbund Informatik hat ein Programm von uber 30 Fernkursen aufgebaut. Der Grosteil des prasentierten Materials entstand aus regularen Veranstaltungen. Bei der Durchfuhrung umfasste jeder Kurs einen betreuten Ubungsbetrieb uber das Netz sowie eine Prufung zum Erwerb eines Leistungsnachweises. Das Projekt hat Erfahrung in der gemeinsamen Nutzung der Kurse gesammelt und den Boden fur weitergehende Angebote wie Studiengange bereitet.

OMAR (Oriental Manuscript Resource) [11] is a database which provides extensive search facilities... more OMAR (Oriental Manuscript Resource) [11] is a database which provides extensive search facilities for oriental manuscripts. It is currently based on the collections of the Oriental Seminar at the University of Freiburg which comprise about 2.500 manuscripts. These are stored as images.

Bereits lange vor der Verbreitung von Personal Computern und Internet übertrug am 9. Dezember 196... more Bereits lange vor der Verbreitung von Personal Computern und Internet übertrug am 9. Dezember 1968 Douglas Engelbart einen Konferenzbeitrag online als Video, um seine neueste Erfindung – die Computermaus – vorzustellen. In den 1970er Jahren war an manchen Universitäten die analoge Aufzeichnung von Vorträgen mit (S-)VHS-Video üblich. So hat z. B. die Universität Stanford Vorträge berühmter Hochschullehrer als Kassetten weltweit vertrieben. Auch an der Universität Karlsruhe wurden anstelle einer Live-Veranstaltung über Programmierverfahren „Video-Vorlesungen“ zu festen Zeiten mehrmals wöchentlich in einem Seminarraum angeboten.

International Journal of Engineering Education, 2001

Technological innovation and socio-economic change have been leading to a reconfiguration ofeduca... more Technological innovation and socio-economic change have been leading to a reconfiguration ofeducational systems worldwide. The buzz-words are `virtual teaching' and `learning anytime,anywhere', and they are having an especially large affect on universities. Four universities in Baden,in South-West Germany, are also gaining experience in this area thanks to an extensiveinterdisciplinary pilot project. The main part of the paper focuses on the means and methodsused and developed within the project. Moreover, we point out some observations we have madeattempting to take the first steps towards a structural change in the universities.

Description logics and deductive object oriented databases provide a similar view on the structur... more Description logics and deductive object oriented databases provide a similar view on the structure of an application domain, but rely on quite diierent reasoning paradigms. Recently their combination is dicussed. However , such a general solution is not at hand yet. Fortunately, a thorough investigation of the application and a thoughtful decision for an advanced system using the appropriate of both reasoning paradigms may also lead to a concise and simple implementation, even in cases which at rst sight seem not to t in the declarative framework. Here we describe our experiences with a linguistics problem.

Fachtagung "e-Learning" der Gesellschaft für Informatik, 2006

Languages supporting deduction and object-orientation seem particularly promising for querying an... more Languages supporting deduction and object-orientation seem particularly promising for querying and reasoning about structure and contents of the Web, and for the integration of information from heterogeneous sources. Florid, an implementation of the deductive object-oriented ...

Journal of Logic and Computation, 2001

Deductive object-oriented frameworks integrate logic rules and inheritance. There, speci c proble... more Deductive object-oriented frameworks integrate logic rules and inheritance. There, speci c problems arise: Due to the combination of deduction and inheritance, (a) deduction can take place depending on inherited facts, thus raising indirect con icts, and (b) also the class hierarchy and-membership is subject to deduction. From this point of view, we investigate the application of the extension semantics of Default Logic to deductive object-oriented database languages. By restricting the problem to Horn programs and a special type of defaults tailored to the semantics of inheritance, a forwardchaining construction of extensions is possible. This construction is compared with a solution as implemented in the F-Logic system Florid which is based on a combination of classical deductive xpoints and an inheritance-trigger mechanism. The paper is a condensed version of MK98].

Datenbanksysteme in Büro, Technik und Wissenschaft(German Database Conference), 1997

Informatics and the Digital Society, 2003

Lecture Notes in Computer Science, 1997

Proc. Role of Universities in the Future …, 1999

VIROR combines the efforts of four prestigious universities in SW Germany to systematically intro... more VIROR combines the efforts of four prestigious universities in SW Germany to systematically introduce information technology to teaching and learning. The long-term goal is to allow students to freely combine self-paced distance learning with studies at the participating ...

Knowledge Representation Meets Databases, 1997

OMAR (Oriental Manuscript Resource) [11] is a database which provides extensive search facilities... more OMAR (Oriental Manuscript Resource) [11] is a database which provides extensive search facilities for oriental manuscripts. It is currently based on the collections of the Oriental Seminar at the University of Freiburg which comprise about 2.500 manuscripts. These are stored as images. KEYWORDS: database, orient, manuscripts

Softwaretechnik-Trends, 2004

Der Universitare Lehrverbund Informatik hat ein Programm von uber 30 Fernkursen aufgebaut. Der Gr... more Der Universitare Lehrverbund Informatik hat ein Programm von uber 30 Fernkursen aufgebaut. Der Grosteil des prasentierten Materials entstand aus regularen Veranstaltungen. Bei der Durchfuhrung umfasste jeder Kurs einen betreuten Ubungsbetrieb uber das Netz sowie eine Prufung zum Erwerb eines Leistungsnachweises. Das Projekt hat Erfahrung in der gemeinsamen Nutzung der Kurse gesammelt und den Boden fur weitergehende Angebote wie Studiengange bereitet.

OMAR (Oriental Manuscript Resource) [11] is a database which provides extensive search facilities... more OMAR (Oriental Manuscript Resource) [11] is a database which provides extensive search facilities for oriental manuscripts. It is currently based on the collections of the Oriental Seminar at the University of Freiburg which comprise about 2.500 manuscripts. These are stored as images.

Bereits lange vor der Verbreitung von Personal Computern und Internet übertrug am 9. Dezember 196... more Bereits lange vor der Verbreitung von Personal Computern und Internet übertrug am 9. Dezember 1968 Douglas Engelbart einen Konferenzbeitrag online als Video, um seine neueste Erfindung – die Computermaus – vorzustellen. In den 1970er Jahren war an manchen Universitäten die analoge Aufzeichnung von Vorträgen mit (S-)VHS-Video üblich. So hat z. B. die Universität Stanford Vorträge berühmter Hochschullehrer als Kassetten weltweit vertrieben. Auch an der Universität Karlsruhe wurden anstelle einer Live-Veranstaltung über Programmierverfahren „Video-Vorlesungen“ zu festen Zeiten mehrmals wöchentlich in einem Seminarraum angeboten.

International Journal of Engineering Education, 2001

Technological innovation and socio-economic change have been leading to a reconfiguration ofeduca... more Technological innovation and socio-economic change have been leading to a reconfiguration ofeducational systems worldwide. The buzz-words are `virtual teaching' and `learning anytime,anywhere', and they are having an especially large affect on universities. Four universities in Baden,in South-West Germany, are also gaining experience in this area thanks to an extensiveinterdisciplinary pilot project. The main part of the paper focuses on the means and methodsused and developed within the project. Moreover, we point out some observations we have madeattempting to take the first steps towards a structural change in the universities.

Description logics and deductive object oriented databases provide a similar view on the structur... more Description logics and deductive object oriented databases provide a similar view on the structure of an application domain, but rely on quite diierent reasoning paradigms. Recently their combination is dicussed. However , such a general solution is not at hand yet. Fortunately, a thorough investigation of the application and a thoughtful decision for an advanced system using the appropriate of both reasoning paradigms may also lead to a concise and simple implementation, even in cases which at rst sight seem not to t in the declarative framework. Here we describe our experiences with a linguistics problem.

Fachtagung "e-Learning" der Gesellschaft für Informatik, 2006

Languages supporting deduction and object-orientation seem particularly promising for querying an... more Languages supporting deduction and object-orientation seem particularly promising for querying and reasoning about structure and contents of the Web, and for the integration of information from heterogeneous sources. Florid, an implementation of the deductive object-oriented ...

Journal of Logic and Computation, 2001

Deductive object-oriented frameworks integrate logic rules and inheritance. There, speci c proble... more Deductive object-oriented frameworks integrate logic rules and inheritance. There, speci c problems arise: Due to the combination of deduction and inheritance, (a) deduction can take place depending on inherited facts, thus raising indirect con icts, and (b) also the class hierarchy and-membership is subject to deduction. From this point of view, we investigate the application of the extension semantics of Default Logic to deductive object-oriented database languages. By restricting the problem to Horn programs and a special type of defaults tailored to the semantics of inheritance, a forwardchaining construction of extensions is possible. This construction is compared with a solution as implemented in the F-Logic system Florid which is based on a combination of classical deductive xpoints and an inheritance-trigger mechanism. The paper is a condensed version of MK98].

Datenbanksysteme in Büro, Technik und Wissenschaft(German Database Conference), 1997

Informatics and the Digital Society, 2003

Lecture Notes in Computer Science, 1997