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- Freitag, 22. Juni 2018, 11:30 Uhr, Raum 348 (Gebäude 50.34)
| Vortragende(r)
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Dou Beibei
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| Titel
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Analysis of Classifier Performance on Aggregated Energy Status Data
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| Vortragstyp
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Masterarbeit
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| Betreuer(in)
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Dominik Werle
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| Kurzfassung
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Non-intrusive load monitoring (NILM) algorithms aim at disaggregating consumption curves of households to the level of single appliances. However, there is no conventional way of quantifying and representing the tradeoff between the quality of analyses, such as the accuracy of the disaggregated consumption curves, and the load on the available computing resources. Thus, it is hard to plan the underlying infrastructure and resources for the analysis system and to find the optimal configuration of the system. This thesis introduces a system that assesses the quality of different analyses and their runtime behavior. This assessment is done based on varying configuration parameters and changed characteristics of the input dataset. Varied characteristics are the granularity of the data and the noisiness of the data. We demonstrate that the collected runtime behavior data can be used to choose reasonable characteristics of the input data set.
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| Vortragende(r)
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Eric Weinstock
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| Titel
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Blueprint for the Transition from Static to Dynamic Deployment
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| Vortragstyp
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Bachelorarbeit
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| Betreuer(in)
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Robert Heinrich
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| Kurzfassung
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This thesis defnes a blueprint describing a successful ad-hoc deployment with generally applicable rules, thus providing a basis for further developments. The blueprint itself is based on the experience of developing a Continuous Deployment system, the subsequent tests and the continuous user feedback. In order to evaluate the blueprint, the blueprint-based dynamic system was compared with the previously static deployment and a user survey was conducted. The result of the study shows that the rules described in the blueprint have far-reaching consequences and generate an additional value for the users during deployment.
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| Vortragende(r)
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Maximilian Schecher
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| Titel
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Using Architectural Design Space Exploration to Quantify Cost-to-Quality Relationship
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| Vortragstyp
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Bachelorarbeit
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| Betreuer(in)
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Anne Koziolek
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| Kurzfassung
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QUPER ist eine Methode um bei einer Release-Plannung, bei der eine bestimmte Qualitätsanforderung zentral ist, das Fällen von Entscheidungen einfacher zu machen. Die Methode ist genau dann äußerst hilfreich, wenn das Softwareprojekt mehrere konkurrierende Produkte auf dem Markt hat und eine bestimmte Qualitätsanforderung den Wert der Software für den Kunden stark beeinflusst. QUPER benötigt allerdings Schätzungen des Entwicklungsteams und ist somit stark von der Erfahrung dessen abhängig. Das Palladio Component Model in Kombination mit PerOpteryx können dabei helfen, diese groben Schätzungen durch genauere Information für ein kommendes Release zu ersetzen: Mit einem gegebenen Palladio-Modell und einer potentiellen Verbesserung für die Software kann uns PerOpteryx die genaue Verbesserung der Qualitätsanforderung geben. In dieser Arbeit werden zuerst die QUPER-Methode allein und dann QUPER mit Hilfe von PerOpteryx auf zwei exemplarische Softwareprojekte angewandt und die Ergebnisse verglichen.
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- Freitag, 29. Juni 2018, 11:30 Uhr, Raum 348 (Gebäude 50.34)
- Freitag, 6. Juli 2018, 11:30 Uhr, Raum 348 (Gebäude 50.34)
| Vortragende(r)
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Dominik Klooz
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| Titel
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Semi-automatic Consistency Preservation of Models
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| Vortragstyp
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Bachelorarbeit
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| Betreuer(in)
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Heiko Klare
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| Kurzfassung
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In order to manage the high complexity of developing software systems, oftentimes several models are employed describing different aspects of the system under development. Models often contain redundant or dependent information, meaning changes to one model without adjustments to others representing the same concepts lead to inconsistencies, which need to be repaired automatically. Otherwise, developers would have to know all dependencies to preserve consistency by hand.
For automated consistency preservation, model transformations can be used to specify how elements from one model correspond to those of another and define consistency preservation operations to fix inconsistencies. In this specification, it is not always possible to determine one generally correct way of preserving consistency without insight into the intentions of the developer
responsible for making the changes. To be able to factor in underlying intentions, user interactions used to clarify the course of consistency preservation in ambiguous cases are needed. Existing approaches either do not consider user interactions during consistency preservation or provide an unstructured set of interaction options. In this thesis, we therefore identify a structured classification of user interaction types to employ during consistency preservation. By applying those types in preexisting case studies for consistency preservation between models in different application domains, we were able to show the applicability of these types in terms of completeness and appropriateness.
Furthermore, software projects are rarely developed by a single person, meaning that multiple developers may work on the same models in different development branches and combine their work at some point using a merge operation. One reasonable option to merge different development branches of models is to track model changes and merge the change sequences by applying one after another. Since the model state changed due to changes made in the one branch, the changes in the other branch can potentially lead to different user decisions being necessary for consistency preservation. Nevertheless, most necessary decisions will be the same, which is why it would be useful to reuse the previously applied choices if possible. To achieve this, we provide a concept for storing and reapplying decisions during consistency preservation in this thesis. Thus, we establish which information is necessary and reasonable to represent a user interaction and allow for its correct reuse. By applying the reuse mechanism to a change scenario with several user interactions in one of the case studies mentioned above, we were able to show the feasibility of our overall concept for correctly reusing changes.
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- Freitag, 13. Juli 2018, 11:30 Uhr, Raum 348 (Gebäude 50.34)
Keine Vorträge
- Freitag, 20. Juli 2018, 11:30 Uhr, Raum 348 (Gebäude 50.34)
Keine Vorträgeweitere Termine
