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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
291

Chemnitzer Linux-Tage 2010

Demierre, Andéol, Eggers, Monika, Garbe, Anselm R., Groß, Thomas, Jaenisch, Volker, Jung, Marco, Knopper, Klaus, Lang, Jens, Luithardt, Wolfram, Noble, Howard, Obst, Marcus, Pucklitzsch, Thomas, Schlittermann, Heiko, Schumacher, Stefan, Seidel, Philipp, Spillner, Josef, Tang, Kang, Walle, Bernhard, Wetzel, Ulrich 16 April 2010 (has links) (PDF)
Die Chemnitzer Linux-Tage fanden am 13. und 14. März 2010 auf dem Campus der Technischen Universität Chemnitz statt. Neben den Präsentationen im Foyer zogen vor allem die Vorträge über 2500 Besucher zur 12. Auflage der Veranstaltung. Der Band vereint den Inhalt von 15 Hauptvorträgen und die Abstrakts von 76 weiteren Beiträgen und stellt damit einen Überblick über das weit gefächerte Programm der Veranstaltung dar. / The Chemnitz Linux Days took place at the campus of the Chemnitz University of Technology. Besides the presentations at the foyer the lectures were first of all attractive for more than 2.500 visitors. This volume contains the content of 15 main lectures and abstracts of 76 further talks and hence gives a survey of the broadly based program of this event.
292

Debugging in a World Full of Bugs : Designing an educational game to teach debugging and error detection with the help of a teachable agent / Hur man designar ett digitalt spel för att introducera felsökning med hjälp av en digital lärkompis

Koniakowski, Isabella January 2020 (has links)
This study used the Magical Garden software and earlier research into computational thinking as a point of departure to explore what metaphors could be used and how a teachable agent could be utilised to introduce debugging and error detection to preschool children between four and six years old. A research through design methodology allowed the researcher to iteratively work divergently and convergently through sketching, creating a Pugh matrix, conducting six formative interviews, and finally creating two hybrid-concepts as paths to teaching debugging in the form of concepts. Many metaphors discovered in the design process and in preschool teachers' daily practices were judged possible for teaching debugging and error detection. The analysis of these resulted in four recommendations for choosing a suitable metaphor when teaching debugging: it should have clear rights and wrongs, it should allow for variation, it should have an easily understandable sequentiality to it, and it should be appropriate for the age-group. Furthermore, six recommendations were formulated for utilising a teachable agent: have explicitly stated learning goals, review them and explore new ones as you go, have a diverse design space exploration, make the learning objective task complex, not the game in general, reflect on if using a TA is the best solution, make use of the correct terminology, and keep the graphical elements simple. These recommendations, together with the hybrid-concepts created, provide researchers and teachers with knowledge of how to choose appropriate metaphors and utilise teachable agents when aiming to teach debugging and error detection to children between four and six years old.
293

Chemnitzer Linux-Tage 2010: Tagungsband – 13. und 14. März 2010

Demierre, Andéol, Eggers, Monika, Garbe, Anselm R., Groß, Thomas, Jaenisch, Volker, Jung, Marco, Knopper, Klaus, Lang, Jens, Luithardt, Wolfram, Noble, Howard, Obst, Marcus, Pucklitzsch, Thomas, Schlittermann, Heiko, Schumacher, Stefan, Seidel, Philipp, Spillner, Josef, Tang, Kang, Walle, Bernhard, Wetzel, Ulrich 16 April 2010 (has links)
Die Chemnitzer Linux-Tage fanden am 13. und 14. März 2010 auf dem Campus der Technischen Universität Chemnitz statt. Neben den Präsentationen im Foyer zogen vor allem die Vorträge über 2500 Besucher zur 12. Auflage der Veranstaltung. Der Band vereint den Inhalt von 15 Hauptvorträgen und die Abstrakts von 76 weiteren Beiträgen und stellt damit einen Überblick über das weit gefächerte Programm der Veranstaltung dar. / The Chemnitz Linux Days took place at the campus of the Chemnitz University of Technology. Besides the presentations at the foyer the lectures were first of all attractive for more than 2.500 visitors. This volume contains the content of 15 main lectures and abstracts of 76 further talks and hence gives a survey of the broadly based program of this event.
294

Automated Performance Test Generation and Comparison for Complex Data Structures - Exemplified on High-Dimensional Spatio-Temporal Indices

Menninghaus, Mathias 23 August 2018 (has links)
There exist numerous approaches to index either spatio-temporal or high-dimensional data. None of them is able to efficiently index hybrid data types, thus spatio-temporal and high-dimensional data. As the best high-dimensional indexing techniques are only able to index point-data and not now-relative data and the best spatio-temporal indexing techniques suffer from the curse of dimensionality, this thesis introduces the Spatio-Temporal Pyramid Adapter (STPA). The STPA maps spatio-temporal data on points, now-values on the median of the data set and indexes them with the pyramid technique. For high-dimensional and spatio-temporal index structures no generally accepted benchmark exists. Most index structures are only evaluated by custom benchmarks and compared to a tiny set of competitors. Benchmarks may be biased as a structure may be created to perform well in a certain benchmark or a benchmark does not cover a certain speciality of the investigated structures. In this thesis, the Interface Based Performance Comparison (IBPC) technique is introduced. It automatically generates test sets with a high code coverage on the system under test (SUT) on the basis of all functions defined by a certain interface which all competitors support. Every test set is performed on every SUT and the performance results are weighted by the achieved coverage and summed up. These weighted performance results are then used to compare the structures. An implementation of the IBPC, the Performance Test Automation Framework (PTAF) is compared to a classic custom benchmark, a workload generator whose parameters are optimized by a genetic algorithm and a specific PTAF alternative which incorporates the specific behavior of the systems under test. This is done for a set of two high-dimensional spatio-temporal indices and twelve variants of the R-tree. The evaluation indicates that PTAF performs at least as good as the other approaches in terms of minimal test cases with a maximized coverage. Several case studies on PTAF demonstrate its widespread abilities.
295

Algoritmy zpracování signálu na platformě AVR32 / Signal processing algorithms on AVR32 platform

Záplata, Filip January 2011 (has links)
Master‘s thesis reviews the characteristics of the AVR32 architecture, AVR32UC microarchitecture, and especially AT32UC3A0512 microcontroller. This microcontroller is mounted on the board EVK1100, which is used for debugging applications. The entire analysis is focused on the ability to process audio signals on this board. For the board is created AD/DA interface and its control library. Follows necessary description of used DSP-lib library. The last part is a description of the theory and implementation of two sound effects and implementation of operating system FreeRTOS.

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