Die als Aufstellungssystematik konzipierte Regensburger Verbundklassifikation (RVK) ist eine Zusammenstellung einzelner Fachsystematiken und enthält zahlreiche Doppelstellen. In seinem Vortrag erläutert er die Problematik an einem Beispiel und stellt drei Ansätze vor, potentielle Doppelstellen in der RVK zu finden: Neben der Analyse der vorhandenen "Siehe-auch"-Verweisungen sind dies der Vergleich der Klassenbezeichnungen und eine Analyse des gemeinsamen Auftretens von Notationen in einer großen Menge von nach RVK erschlossenen Titeldaten. Die Ergebnisse einer prototypischen Umsetzung zeigen, dass die Ansätze prinzipiell funktionieren und miteinander kombiniert werden können. Eine konsistente Dokumentation der Doppelstellen anhand dieser Ergebnisse ist mit überschaubarem Aufwand möglich.

Würzburger Reklassifizierungsarbeiten in den Bereichen Anglistik und Germanistik ergaben Anlaß zu einigen Beobachtungen: Während die klassische „deutsch“- didaktische Literatur relativ gut in RVK klassifiziert werden kann, wird es in dem Bereich der Medienpädagogik, die in der Fachwissenschaft neu hinzukam, problematisch. Die neuere deutsche Literatur kann mittels der RVK sehr tief erschlossen werden, vor allem bei den autorenbezogenen Titeln. Problematisch ist dabei, dass der Notationsvorrat gerade bei der modernen Literatur ausgeschöpft ist und Erweiterungen nicht möglich sind. Dieses Problem findet sich auch in anderen Fachsystematiken der RVK, in denen keine individuelle Notationsstelle mehr zugewiesen werden kann, da es keinen Notationsspielraum mehr gibt. In der DDC ist die Deutschdidaktik auf die Klassen 430 und 830 verteilt. Im Unterschied zur RVK gibt es für die Deutschdidaktik keinen eigenen Bereich in den Haupttafeln der DDC sowie keine Unterscheidung zwischen Primär- und Sekundärliteratur. Gerade für eine philologische Bibliothek, deren autorenbezogene Literatur an die Hälfte des Monographienbestandes ausmacht, ist die DDC hier keine wirkliche Alternative zur RVK. Daher wird oft nach hausintern adaptierten Systemen aufgestellt werden.

The idea that dance can be understood as an act of communication and a form of language has been already taken into account by scholars. The hypothesis that will be discussed in this MA dissertation concerns a more specific matter: a semiotic approach to different forms of dance improvisation, and notably the method traditionally labeled "intuitive dance". To understand this phenomena two main concepts will be conveyed: that of "quotation" understood via W. Benjamin's essays on Brecht, and that of "notation", as defined by N. Goodman in his Languages of art. Can we understand dance as a language - id est a quotable and notable code - even in its more intuitive forms? How is it possible to "understand", "quote" and "address" gestures, even in front of a wide heterogeneous audience and without any prefixed choreography but only on the base of a free and in-time creating process? Can we understand improvisation as a complex code? what and how does this code mean? Keywords: improvisation, Intuitive Dance, semiotics, notation, gesture, Nelson Goodman, Walter Benjamin, dance, code

This report analyzes and compares Barycentric Lagrange interpolation to Cardinal Trigonometric interpolation, with regards to computational cost and accuracy. It also covers some edge case scenarios which may interfere with the accuracy and stability. Later on, these two interpolation methods are applied on parameterized curves and surfaces, to compare and contrast differences with the standard one dimensional scenarios. The report also contains analysis of and comparison with regular Lagrange interpolation. The report concludes that Barycentric Lagrange interpolation is generally speaking more computationally efficient, and that the inherent need for periodicity makes Cardinal Trigonometric interpolation less reliable in comparison. On the other hand, Barycentric Lagrange interpolation is difficult to implement for higher dimensional problems, and also relies heavily on Chebyshev spaced nodes, something which can cause issues in a practical application of interpolation. Given ideal scenarios, Cardinal Trigonometric interpolation is more accurate, and for periodic functions generally speaking better than Barycentric Lagrange interpolation. Regular Lagrange interpolation is found to be unviable due to the comparatively big computational cost.

Abbildungen mit freundlicher Genehmigung des Deutschen Zentrums für barrierefreies Lesen (DZB)

Business processes define workflows by structuring sets of activities according to given objectives. Process Modeling Languages (PMLs) provide graphical elements to define process models. Apart from use cases in finance and commerce, PMLs gain popularity in application domains such as Cyber-Physical Systems, the Internet of Things, ubiquitous computing, mobile devices, and scenarios happening in rural, restricted, or disaster-affected regions. Many of the domains are exposed to delayed, intermittent, or broken connectivity. Existing PMLs show limitations in considering connectivity-related issues, leading to failures and breakdowns at process runtime. This thesis addresses connectivity-related issues regarding the modeling and execution of resilient business processes taking place in unreliable communication environments. With resilient BPMN (rBPMN), an extension for the Business Process Model and Notation (BPMN) addressing environments with delayed, intermittent, or broken connectivity is introduced. rBPMN extends the BPMN metamodel by new elements for resilient process models. Domain experts may define alternatives for possibly failing message flows based on priorities or characteristics of the alternatives. Functionality offered by remote participants may be moved to other participants for local execution. This thesis illustrates approaches for the graph-based analysis of business processes regarding their resilient operation. By translating process models into directed graphs, graph algorithms allow to dynamically find the most suitable process path. Domain experts are enabled to identify non-resilient parts of a process model, allowing them to optimize the involved segments before runtime. Multi-criteria analysis approaches optimize process operation according to a chosen set of criteria. A real-world scenario of an environmental-friendly slurry application illustrates the use of rBPMN’s concepts and approaches for modeling and executing resilient processes. Technical approaches realizing rBPMN’s resilience strategies using a BPMN runtime engine and microservices are illustrated. The proof-of-concept implementations may be extended and adapted, serving as guides for other application domains.

The prejudice that guitar players do not know how to read traditional western music notation has been around for a long time. That seems to also have had its affect on guitar education. For many guitarists the obvious choice is instead tablature. This study examines the attitude towards sheet music among guitar teachers at the Swedish kulturskola. The subject has been chosen primarily for the fact that the Swedish municipal music school does not have any guidelines regarding whether or not to use sheet music in the education. The purpose of this study is to examine how six guitar teachers view the use of traditional western music notation versus tablature in kulturskolan. The study is based on interviews with the teachers. The analysis has been made with a phenomenographic approach. The result reveal that all the participants prefer tablature due to it is more direct and quick implementation. Using tablature is a pedagogic strategy to keep the studentes interests in their instrument rather than an act of choice. Even if some of the teachers themselves would like to be using traditional western music notation to a greater extent they mean that it’s not possible. / Länge har fördomen funnits att gitarrister inte kan läsa noter, något som också tyckts påverka gitarrundervisningen. För många gitarrister är istället det vedertagna verktyget tabulatur. Den här studien undersöker attityden till notläsningsmetoder hos gitarrlärare på kulturskolan, just eftersom kulturskolan inte har några styrdokument. Syftet med detta arbete är att undersöka hur sex stycken gitarrlärare uppfattar att det fungerar att arbeta med notläsning respektive tabulatur i kulturskolan. Undersökningen har genomförts med kvalitativa forskningsintervjuer kring gitarrlärarnas användning av notläsningsmetoder i den egna undervisningen. Analysarbetet har utgått från en fenomenografisk ansats. Resultatet visar att lärarna föredrar tabulatur för den direkta och snabba implementeringen. Att använda sig av tabulatur är en pedagogisk strategi för att få eleverna att hålla fast vid sitt instrument, snarare än ett aktivt val. Även om lärarna själva i vissa fall hade velat använda sig av notläsning i större utsträckning så uppfattar de av olika anledningar att det inte är möjligt.

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