Language And Tool Support For 3d Crochet Patterns
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Language And Tool Support For 3d Crochet Patterns
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Author : Klara Seitz
language : en
Publisher: Universitätsverlag Potsdam
Release Date : 2021-09-09
Language And Tool Support For 3d Crochet Patterns written by Klara Seitz and has been published by Universitätsverlag Potsdam this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-09-09 with Computers categories.
Crochet is a popular handcraft all over the world. While other techniques such as knitting or weaving have received technical support over the years through machines, crochet is still a purely manual craft. Not just the act of crochet itself is manual but also the process of creating instructions for new crochet patterns, which is barely supported by domain specific digital solutions. This leads to unstructured and often also ambiguous and erroneous pattern instructions. In this report, we propose a concept to digitally represent crochet patterns. This format incorporates crochet techniques which allows domain specific support for crochet pattern designers during the pattern creation and instruction writing process. As contributions, we present a thorough domain analysis, the concept of a graph structure used as domain specific language to specify crochet patterns and a prototype of a projectional editor using the graph as representation format of patterns and a diagramming system to visualize them in 2D and 3D. By analyzing the domain, we learned about crochet techniques and pain points of designers in their pattern creation workflow. These insights are the basis on which we defined the pattern representation. In order to evaluate our concept, we built a prototype by which the feasibility of the concept is shown and we tested the software with professional crochet designers who approved of the concept.
Tool Support For Collaborative Creation Of Interactive Storytelling Media
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Author : Paula Klinke
language : en
Publisher: Universitätsverlag Potsdam
Release Date : 2022-09-21
Tool Support For Collaborative Creation Of Interactive Storytelling Media written by Paula Klinke and has been published by Universitätsverlag Potsdam this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-09-21 with Computers categories.
Scrollytellings are an innovative form of web content. Combining the benefits of books, images, movies, and video games, they are a tool to tell compelling stories and provide excellent learning opportunities. Due to their multi-modality, creating high-quality scrollytellings is not an easy task. Different professions, such as content designers, graphics designers, and developers, need to collaborate to get the best out of the possibilities the scrollytelling format provides. Collaboration unlocks great potential. However, content designers cannot create scrollytellings directly and always need to consult with developers to implement their vision. This can result in misunderstandings. Often, the resulting scrollytelling will not match the designer’s vision sufficiently, causing unnecessary iterations. Our project partner Typeshift specializes in the creation of individualized scrollytellings for their clients. Examined existing solutions for authoring interactive content are not optimally suited for creating highly customized scrollytellings while still being able to manipulate all their elements programmatically. Based on their experience and expertise, we developed an editor to author scrollytellings in the lively.next live-programming environment. In this environment, a graphical user interface for content design is combined with powerful possibilities for programming behavior with the morphic system. The editor allows content designers to take on large parts of the creation process of scrollytellings on their own, such as creating the visible elements, animating content, and fine-tuning the scrollytelling. Hence, developers can focus on interactive elements such as simulations and games. Together with Typeshift, we evaluated the tool by recreating an existing scrollytelling and identified possible future enhancements. Our editor streamlines the creation process of scrollytellings. Content designers and developers can now both work on the same scrollytelling. Due to the editor inside of the lively.next environment, they can both work with a set of tools familiar to them and their traits. Thus, we mitigate unnecessary iterations and misunderstandings by enabling content designers to realize large parts of their vision of a scrollytelling on their own. Developers can add advanced and individual behavior. Thus, developers and content designers benefit from a clearer distribution of tasks while keeping the benefits of collaboration.
Invariant Analysis For Multi Agent Graph Transformation Systems Using K Induction
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Author : Sven Schneider
language : en
Publisher: Universitätsverlag Potsdam
Release Date : 2022-11-17
Invariant Analysis For Multi Agent Graph Transformation Systems Using K Induction written by Sven Schneider and has been published by Universitätsverlag Potsdam this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-11-17 with Computers categories.
The analysis of behavioral models such as Graph Transformation Systems (GTSs) is of central importance in model-driven engineering. However, GTSs often result in intractably large or even infinite state spaces and may be equipped with multiple or even infinitely many start graphs. To mitigate these problems, static analysis techniques based on finite symbolic representations of sets of states or paths thereof have been devised. We focus on the technique of k-induction for establishing invariants specified using graph conditions. To this end, k-induction generates symbolic paths backwards from a symbolic state representing a violation of a candidate invariant to gather information on how that violation could have been reached possibly obtaining contradictions to assumed invariants. However, GTSs where multiple agents regularly perform actions independently from each other cannot be analyzed using this technique as of now as the independence among backward steps may prevent the gathering of relevant knowledge altogether. In this paper, we extend k-induction to GTSs with multiple agents thereby supporting a wide range of additional GTSs. As a running example, we consider an unbounded number of shuttles driving on a large-scale track topology, which adjust their velocity to speed limits to avoid derailing. As central contribution, we develop pruning techniques based on causality and independence among backward steps and verify that k-induction remains sound under this adaptation as well as terminates in cases where it did not terminate before.
Proceedings Of The Hpi Research School On Service Oriented Systems Engineering 2020 Fall Retreat
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Author : Christoph Meinel
language : en
Publisher: Universitätsverlag Potsdam
Release Date : 2023-06-07
Proceedings Of The Hpi Research School On Service Oriented Systems Engineering 2020 Fall Retreat written by Christoph Meinel and has been published by Universitätsverlag Potsdam this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-06-07 with categories.
Design and Implementation of service-oriented architectures imposes a huge number of research questions from the fields of software engineering, system analysis and modeling, adaptability, and application integration. Component orientation and web services are two approaches for design and realization of complex web-based system. Both approaches allow for dynamic application adaptation as well as integration of enterprise application. Service-Oriented Systems Engineering represents a symbiosis of best practices in object-orientation, component-based development, distributed computing, and business process management. It provides integration of business and IT concerns. The annual Ph.D. Retreat of the Research School provides each member the opportunity to present his/her current state of their research and to give an outline of a prospective Ph.D. thesis. Due to the interdisciplinary structure of the research school, this technical report covers a wide range of topics. These include but are not limited to: Human Computer Interaction and Computer Vision as Service; Service-oriented Geovisualization Systems; Algorithm Engineering for Service-oriented Systems; Modeling and Verification of Self-adaptive Service-oriented Systems; Tools and Methods for Software Engineering in Service-oriented Systems; Security Engineering of Service-based IT Systems; Service-oriented Information Systems; Evolutionary Transition of Enterprise Applications to Service Orientation; Operating System Abstractions for Service-oriented Computing; and Services Specification, Composition, and Enactment.
Operating Systems Ii Student Projects
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Author : Andreas Grapentin
language : en
Publisher: Universitätsverlag Potsdam
Release Date : 2023-11-29
Operating Systems Ii Student Projects written by Andreas Grapentin and has been published by Universitätsverlag Potsdam this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-11-29 with categories.
EN This technical report presents the results of student projects which were prepared during the lecture “Operating Systems II” offered by the “Operating Systems and Middleware” group at HPI in the Summer term of 2020. The lecture covered ad- vanced aspects of operating system implementation and architecture on topics such as Virtualization, File Systems and Input/Output Systems. In addition to attending the lecture, the participating students were encouraged to gather practical experience by completing a project on a closely related topic over the course of the semester. The results of 10 selected exceptional projects are covered in this report. The students have completed hands-on projects on the topics of Operating System Design Concepts and Implementation, Hardware/Software Co-Design, Reverse Engineering, Quantum Computing, Static Source-Code Analysis, Operating Systems History, Application Binary Formats and more. It should be recognized that over the course of the semester all of these projects have achieved outstanding results which went far beyond the scope and the expec- tations of the lecture, and we would like to thank all participating students for their commitment and their effort in completing their respective projects, as well as their work on compiling this report. DE Dieser technische Bericht beschriebt die Ergebnisse der Projekte, welche im Rahmen der Lehrveranstaltung "Betriebssysteme II" on teilnehmenden Studierenden durchgeführt wurden. Die Lehrveranstaltung wurde von der "Betriebssysteme und Middleware" am HPI im Sommersemester 2020 durchgeführt und behandele fortgeschrittene Aspekte der Betriebssystemarchitektur und -Implementierung am Beispiel der Virtualisierung, der Dateisysteme und der Eingabe/Ausgabe (I/O) Systeme. Zusätzlich zu den Vorlesungen wurden die Studierenden angeleitet, durch die Durchführung eines begleitenden Projekts praktische Erfahrungen im Umgang mit den behandelten Themen zu sammeln. Die Ergebnisse von 10 ausgewählten, herausragenden Projekten werden in diesem Report vorgestellt. Die Studierenden haben unter anderem Projekte zu den Themen Betriebssystemdesign und -Implementierung, Hardware/Software Co-Design, Reverse Engineering, Quanten-Computing, Statische Quellcodeanalyse, Betriebssystemgeschichte, dem Binärformat von ausführbaren Dateien durchgeführt. Es ist anzuerkennen, dass alle teilnehmenden Studierenden im Verlauf des Semesters herausragende Ergebnisse erzielt haben, die weit über die Anforderungen der Lehrveranstaltung hinausgingen. Wir möchten uns bei allen teilnehmenden Studierenden für Ihren Einsatz bei der Durchführung der Projekte, sowie bei der Erstellung dieses Reports bedanken.
Deep Learning For Computer Vision In The Art Domain
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Author : Christian Bartz
language : en
Publisher: Universitätsverlag Potsdam
Release Date : 2021-11-15
Deep Learning For Computer Vision In The Art Domain written by Christian Bartz and has been published by Universitätsverlag Potsdam this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-11-15 with Computers categories.
In recent years, computer vision algorithms based on machine learning have seen rapid development. In the past, research mostly focused on solving computer vision problems such as image classification or object detection on images displaying natural scenes. Nowadays other fields such as the field of cultural heritage, where an abundance of data is available, also get into the focus of research. In the line of current research endeavours, we collaborated with the Getty Research Institute which provided us with a challenging dataset, containing images of paintings and drawings. In this technical report, we present the results of the seminar "Deep Learning for Computer Vision". In this seminar, students of the Hasso Plattner Institute evaluated state-of-the-art approaches for image classification, object detection and image recognition on the dataset of the Getty Research Institute. The main challenge when applying modern computer vision methods to the available data is the availability of annotated training data, as the dataset provided by the Getty Research Institute does not contain a sufficient amount of annotated samples for the training of deep neural networks. However, throughout the report we show that it is possible to achieve satisfying to very good results, when using further publicly available datasets, such as the WikiArt dataset, for the training of machine learning models.
Probabilistic Metric Temporal Graph Logic
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Author : Sven Schneider
language : en
Publisher: Universitätsverlag Potsdam
Release Date : 2023-01-30
Probabilistic Metric Temporal Graph Logic written by Sven Schneider and has been published by Universitätsverlag Potsdam this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-01-30 with Computers categories.
Cyber-physical systems often encompass complex concurrent behavior with timing constraints and probabilistic failures on demand. The analysis whether such systems with probabilistic timed behavior adhere to a given specification is essential. When the states of the system can be represented by graphs, the rule-based formalism of Probabilistic Timed Graph Transformation Systems (PTGTSs) can be used to suitably capture structure dynamics as well as probabilistic and timed behavior of the system. The model checking support for PTGTSs w.r.t. properties specified using Probabilistic Timed Computation Tree Logic (PTCTL) has been already presented. Moreover, for timed graph-based runtime monitoring, Metric Temporal Graph Logic (MTGL) has been developed for stating metric temporal properties on identified subgraphs and their structural changes over time. In this paper, we (a) extend MTGL to the Probabilistic Metric Temporal Graph Logic (PMTGL) by allowing for the specification of probabilistic properties, (b) adapt our MTGL satisfaction checking approach to PTGTSs, and (c) combine the approaches for PTCTL model checking and MTGL satisfaction checking to obtain a Bounded Model Checking (BMC) approach for PMTGL. In our evaluation, we apply an implementation of our BMC approach in AutoGraph to a running example.
Die Hpi Schul Cloud
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Author : Christoph Meinel
language : de
Publisher: Universitätsverlag Potsdam
Release Date : 2022-05-19
Die Hpi Schul Cloud written by Christoph Meinel and has been published by Universitätsverlag Potsdam this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-05-19 with Computers categories.
Digitale Medien sind aus unserem Alltag kaum noch wegzudenken. Einer der zentralsten Bereiche für unsere Gesellschaft, die schulische Bildung, darf hier nicht hintanstehen. Wann immer der Einsatz digital unterstützter Tools pädagogisch sinnvoll ist, muss dieser in einem sicheren Rahmen ermöglicht werden können. Die HPI Schul-Cloud ist dieser Vision gefolgt, die vom Nationalen IT-Gipfel 2016 angestoßen wurde und dem Bericht vorangestellt ist – gefolgt. Sie hat sich in den vergangenen fünf Jahren vom Pilotprojekt zur unverzichtbaren IT-Infrastruktur für zahlreiche Schulen entwickelt. Während der Corona-Pandemie hat sie für viele Tausend Schulen wichtige Unterstützung bei der Umsetzung ihres Bildungsauftrags geboten. Das Ziel, eine zukunftssichere und datenschutzkonforme Infrastruktur zur digitalen Unterstützung des Unterrichts zur Verfügung zu stellen, hat sie damit mehr als erreicht. Aktuell greifen rund 1,4 Millionen Lehrkräfte und Schülerinnen und Schüler bundesweit und an den deutschen Auslandsschulen auf die HPI Schul-Cloud zu.
Design Thinking
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Author : Stefanie Gerken
language : de
Publisher: Universitätsverlag Potsdam
Release Date : 2022-07-22
Design Thinking written by Stefanie Gerken and has been published by Universitätsverlag Potsdam this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-07-22 with Computers categories.
Heutzutage ist Design Thinking kein „neuer Ansatz“ mehr. Unter Praktikern und Akademikern hat das Interesse an diesem Thema in den letzten zwei Jahrzehnten stark zugenommen. Die Meinungen sind jedoch geteilt, ob Design Thinking lediglich „alter Wein in neuen Schläuchen“ ist, ein vorübergehender Trend, oder ein sich weiterentwickelndes Phänomen, welches in immer mehr Organisationen und Branchen Fuß fast. Trotz der wachsenden Relevanz und Verbreitung von Design Thinking ist das Wissen über den tatsächlichen Status quo in Organisationen nach wie vor spärlich. Mit einer neuen Studie untersucht das Forschungsteam von Prof. Uebernickel, Stefanie Gerken und Dr. Danielly de Paula die zeitlichen Entwicklungen und Veränderungen von Design Thinking Praktiken in Organisationen über die letzten sechs Jahre und vergleicht die Ergebnisse der Studie „Parts without a whole“ aus dem Jahr 2015 mit aktuellen Praktiken und perspektivischen Entwicklungen. An der Studie haben Unternehmen aller Größen und aus verschiedenen Teilen der Welt teilgenommen. Um dem komplexen Untersuchungsgegenstand gerecht zu werden, wurde eine Mixed-Method-Ansatz gewählt: Die Erkenntnisse aus qualitativen Experteninterviews, d.h. Personen, die sich seit Jahren mit dem Thema Design Thinking in der Praxis beschäftigen, wurden mit den Ergebnissen einer quantitativen Analyse von Umfragedaten abgeglichen. Die vorliegende Studie erörtert signifikante Unterschiede und Gemeinsamkeiten bei der Interpretation und Anwendung von Design Thinking in Unternehmen.
The Alphabet In 3d With Bigunki Crochet Patterns
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Author : Begoña Sanchez-Sauthier Berrojalbiz
language : en
Publisher: CreateSpace
Release Date : 2013-12-04
The Alphabet In 3d With Bigunki Crochet Patterns written by Begoña Sanchez-Sauthier Berrojalbiz and has been published by CreateSpace this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-12-04 with categories.
The alphabet in crochet. Twenty-six capital letters in crochet patterns; with line by line instructions, assembling instructions, materials needed and estimated measurements. Great ideas for decorating children's bedrooms and little ones have their first contact with letters. Fun cushions are another option that you can make. With only basic crochet knowledge needed to carry out the projects in this book.