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BEGIN:VEVENT
DTSTART;TZID=Europe/Stockholm:20211101T120000
DTEND;TZID=Europe/Stockholm:20211101T123000
DTSTAMP:20260526T120831
CREATED:20211025T144336Z
LAST-MODIFIED:20211025T144336Z
UID:3761-1635768000-1635769800@www.software-center.se
SUMMARY:Lunch seminar: Improving Machine Learning-based Test Case Selection
DESCRIPTION:Welcome to the next Brown bag seminar: Noise Handling for Improving Machine Learning-based Test Case Selection \nThis week\, our doctoral candidate Khaled Al-Sabbagh will present his research about noise selection – which is a preparation for his Licentiate seminar. \nBackground:\nContinuous integration is a modern software engineering practice that promotes for continuously integrating and testing new code changes as soon as they get submitted to the project repository.  One challenge in continuous integration concerns the ability to select a subset of test cases that have the highest probability of revealing faults during each integration cycle. The availability of large amounts of data about code changes and executed test cases in continuous integration systems poses an opportunity to design data-driven approaches that can effectively select test cases for regression testing. \nObjective: The objective of this thesis is to create a method for selecting test cases that have the highest probability of revealing faults in the system\, given new code changes pushed into the code-base. Using  historically committed source code and their respective executed test cases\, we can utilize textual analysis and machine learning to design a method\, called MeBoTS\, that can learn the selection of test cases. \nMethod: To address this objective\, we carried out two design science research cycles and two controlled experiments. A combination of quantitative and qualitative data collection methods were used\, including testing and code commits data\, surveys\, and a workshop\, to evaluate and improve the effectiveness of MeBoTS in selecting effective test cases. \nResults: The main findings of this thesis are that: 1) using an elimination and a re-labelling strategy for handling class noise in the data increases the performance of MeBoTS from 25% to 84% (F1-score)\, 2) eliminating attribute noise from the training data does not improve the predictive performance of a test selection model (F1-score remains unchanged at 66%)\, and 3) memory management changes in the source code should be tested with performance\, load\, soak\, stress\, volume\, and capacity tests; the algorithmic complexity changes should be tested with the same tests for memory management code changes in addition to maintainability tests. \nConclusion: Our first conclusion is that textual analysis of source code can be effective in test case selection if a class noise handling strategy is applied for curating incorrectly labeled data points in the training data. Secondly\, test orchestrators do not need to handle attribute noise in the data\, since it does not lead to an improvement in the performance of MeBoTS. Finally\, we conclude that the performance of MeBoTS can be improved by instrumenting a tool that automatically associates code changes of specific types to test cases that are in dependency for training. \n__________________________________________ \nMicrosoft Teams meeting \nJoin on your computer or mobile app \nClick here to join the meeting \nLearn More | Meeting options \n__________________________________________ \n— Sc_bb mailing list Sc_bb@lists.chalmers.sehttps://lists.chalmers.se/mailman/listinfo/sc_bb
URL:https://www.software-center.se/event/lunch-seminar-improving-machine-learning-based-test-case-selection/
LOCATION:Virtual event\, Sweden
CATEGORIES:Lunch seminar
ORGANIZER;CN="Miroslaw Staron":MAILTO:Miroslaw.Staron@cse.gu.se
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Stockholm:20211108T120000
DTEND;TZID=Europe/Stockholm:20211108T123000
DTSTAMP:20260526T120831
CREATED:20211031T175855Z
LAST-MODIFIED:20211031T180024Z
UID:3781-1636372800-1636374600@www.software-center.se
SUMMARY:Lunch seminar: Why data for AI needs context
DESCRIPTION:Most welcome to the Software Center Brown Bag seminar on November 8th:\n”Setting AI in context: Why data for AI needs context”\nThe seminar is hosted by theme 4 (‘Customer Data and Ecosystem Driven Development’) and we are happy to welcome Hans-Martin Heyn as our speaker. Hans-Martin is a Postdoctoral researcher at the Department of Computer Science and Engineering at Chalmers/University of Gothenburg. \nFor automated driving systems the operational context needs to be known in order to state guarantees on performance and safety. We show\, based on semi-structured interviews\, that major uncertainties exist in how to clearly define and document the operational context in a diverse and distributed development environment such as the automotive industry. This is problematic especially for systems using machine learning\, because data attributes and data quality for training and validation depends on the assumed context of the system. Based on Design Science Research\, we propose a Data Quality Assessment and Maintenance Framework\, to systematically manage data quality and related requirements. \nMost welcome to the seminar and please share this invite with your colleagues! \nAlso\, please note that everyone interested in getting the invites for the Brown Bag seminars can sign up using the following link: https://lists.chalmers.se/mailman/listinfo/sc_bb \n______________________________________________________ \nMicrosoft Teams meeting \nJoin on your computer or mobile app \nClick here to join the meeting \nOr call in (audio only) \n+46 8 505 252 11\,\,335136139#   Sweden\, Stockholm \nPhone Conference ID: 335 136 139# \nFind a local number | Reset PIN \nLearn More | Meeting options \n______________________________________________________ \n— Sc_bb mailing list Sc_bb@lists.chalmers.se https://lists.chalmers.se/mailman/listinfo/sc_bb
URL:https://www.software-center.se/event/lunch-seminar-why-data-for-ai-needs-context/
LOCATION:Virtual event\, Sweden
CATEGORIES:Lunch seminar
ORGANIZER;CN="Helena Holmstr%C3%B6m Olsson":MAILTO:helena.holmstrom.olsson@mau.se
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Stockholm:20211115T090000
DTEND;TZID=Europe/Stockholm:20211115T100000
DTSTAMP:20260526T120831
CREATED:20201214T091345Z
LAST-MODIFIED:20201214T091345Z
UID:2424-1636966800-1636970400@www.software-center.se
SUMMARY:Coordination team meeting
DESCRIPTION:
URL:https://www.software-center.se/event/coordination-team-meeting-48/
LOCATION:Virtual event\, Sweden
ORGANIZER;CN="Jan Bosch":MAILTO:jan.bosch@chalmers.se
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Stockholm:20211115T120000
DTEND;TZID=Europe/Stockholm:20211115T123000
DTSTAMP:20260526T120831
CREATED:20211108T210814Z
LAST-MODIFIED:20211108T210814Z
UID:3958-1636977600-1636979400@www.software-center.se
SUMMARY:State-of-the-art in using AI for programming tasks
DESCRIPTION:Most welcome to the Software Center Brown Bag seminar on November 15th:\nOpenAI and CodeX – state-of-the-art in using AI for programming tasks – in the context of Software Center \nThe seminar is hosted by theme 5 (AI Engineering) and the presentation is given by Miroslaw Staron\, professor at Chalmers and Gothenburg University and the leader of theme 3. \nPresenter: Miroslaw Staron \nOpenAI consortium has developed a beta version of a powerful AI model\, capable of writing software based on natural language description of an algorithm. This model\, CodeX\, is capable of such tasks as re-writing the same program from one programming language to another\, or defect removal. In this talk\, we will take this CodeX model for a test drive\, checking how it behaves for non-trivial programming tasks\, check how it deals with fixing defects in our own code and compare its possibilities to the models developed in software center in this area. \n____________________________________________\nMicrosoft Teams meeting \nJoin on your computer or mobile app \nClick here to join the meeting \nLearn More | Meeting options \n____________________________________________\n— Sc_bb mailing list Sc_bb@lists.chalmers.sehttps://lists.chalmers.se/mailman/listinfo/sc_bb
URL:https://www.software-center.se/event/state-of-the-art-in-using-ai-for-programming-tasks/
LOCATION:Virtual event\, Sweden
CATEGORIES:Lunch seminar
ORGANIZER;CN="Jan Bosch":MAILTO:jan.bosch@chalmers.se
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Stockholm:20211115T120000
DTEND;TZID=Europe/Stockholm:20211115T123000
DTSTAMP:20260526T120831
CREATED:20211201T220326Z
LAST-MODIFIED:20211201T220326Z
UID:4109-1636977600-1636979400@www.software-center.se
SUMMARY:Lunch seminar: OpenAI and CodeX
DESCRIPTION:The seminar OpenAI and CodeX – state-of-the-art in using AI for programming tasks – in the context of Software Center is hosted by theme 5 (AI Engineering) and the presentation is given by Miroslaw Staron\, professor at Chalmers and Gothenburg University and the leader of theme 3. \nOpenAI consortium has developed a beta version of a powerful AI model\, capable of writing software based on natural language description of an algorithm. This model\, CodeX\, is capable of such tasks as re-writing the same program from one programming language to another\, or defect removal. In this talk\, we will take this CodeX model for a test drive\, checking how it behaves for non-trivial programming tasks\, check how it deals with fixing defects in our own code and compare its possibilities to the models developed in software center in this area. \n  \n 
URL:https://www.software-center.se/event/lunch-seminar-openai-and-codex/
LOCATION:Virtual event\, Sweden
CATEGORIES:Lunch seminar
ORGANIZER;CN="Miroslaw Staron":MAILTO:Miroslaw.Staron@cse.gu.se
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Stockholm:20211117T090000
DTEND;TZID=Europe/Stockholm:20211117T120000
DTSTAMP:20260526T120831
CREATED:20211110T131046Z
LAST-MODIFIED:20211110T131046Z
UID:4053-1637139600-1637150400@www.software-center.se
SUMMARY:Flaky Test Workshop
DESCRIPTION:We are organising an online workshop with the dedicated subject of flaky tests.  The details together with agenda is as follows: \n\nWelcome\, project overview\, and introduction with each other (Kristian) – 15 minutes\nJean presentation (20 minutes for presentation)\n\nGeneral-purpose static analysers on Test code – What did we learn?\n\n\nDefining the vocabulary of flaky tests – what is flaky test and what is not flaky test? (20 minutes) – Azeem\n\nKahoot (game) – What flakiness means to you (10 minutes) – Azeem\n\n\nFlaky tests – work at LiU (Azeem)\n\nMultifactor detection (5 minutes)\nDivergence algorithm (5 minutes)\nMachine learning algorithm (5 minutes)\nProfessional’s perception vs test artifacts  (5 minutes)\nFlaky tests vs individuals developers/testers (10 minutes)\n\n\nDiscussion (30 minutes)\nIdea for future sprints and how can we help companies (20 minutes)\nEnd\n\nSee you in the workshop! \nWarm regards\,\nAzeem & AAT3 Team \n_____________________________________________________\nMicrosoft Teams meeting \nJoin on your computer or mobile app \nClick here to join the meeting \nOr call in (audio only) \n+46 8 505 323 41\,\,477526972#   Sweden\, Stockholm \nPhone Conference ID: 477 526 972# \nFind a local number | Reset PIN \nLearn More | Help | Meeting options \n______________________________________________________
URL:https://www.software-center.se/event/flaky-test-workshop/
LOCATION:Virtual event\, Sweden
CATEGORIES:Workshop
ORGANIZER;CN="Azeem Ahmad":MAILTO:azeem.ahmad@liu.se
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Stockholm:20211118T103000
DTEND;TZID=Europe/Stockholm:20211118T143000
DTSTAMP:20260526T120831
CREATED:20211026T090322Z
LAST-MODIFIED:20211026T090322Z
UID:3767-1637231400-1637245800@www.software-center.se
SUMMARY:PdM community workshop: Co-existence of existing and emerging business ecosystems
DESCRIPTION:Most welcome to the next PdM community workshop on November 18th. The workshop will be a hybrid event with the opportunity to participate on-site at Lindholmen (building Jupiter\, room 424) or online (Teams link provided below). \nThe topic we address\, and that we invite all of you to contribute to\, is on the ‘co-existence of existing and emerging business ecosystems’. \nIn our experience\, most of the Software Center companies look to complement their existing physical offerings with new digital services or services driven by digital means/assets. Often\, the legacy offerings and the new service offerings address the same customer base and they use the same company resources. This situation can lead to a number of challenges\, e.g.\, starvation of innovation initiatives\, difficulties in reaching customers and shortage of R&D resources. \nIn this workshop\, we invite all of you to share (in a 10 minutes presentation) a specific case where you were looking to have your legacy offering and your new digital offering co-exist – both from a intraorganizational and from a business ecosystem perspective. As the basis for discussion\, we ask each individual company to share their experiences from such a situation by presenting a concrete case where you talk about the context of the case\, the offering(s) itself\, what worked well\, what were challenges you faced and what the strategies were that you used to mitigate these challenges. \nThe workshop is divided in two parts with the first part between 10:30 – 12:00 (me and Jan setting the context and framing the workshop as well as having companies presenting)\, and the second part between 13:00 – 14:30 (any remaining company presentation(s) and time for group discussions\, questions and reflections). With this format\, we aim to provide a venue where all of you can learn from each other and share knowledge. Also\, we share our most recent research on this topic and invite for your feedback on our insights and preliminary findings. \nMost welcome to join us in this workshop and please help us forward the invitation to any colleague who you feel would be interested. We ask each company to present but if there is not the opportunity for you to coordinate with your colleagues we are of course more than happy to welcome more than one presentation from each company. The length of presentations will be adjusted based on the number of companies attending. \nRegards\,\nHelena \n______________________________________________________________\nMicrosoft Teams meeting \nJoin on your computer or mobile app \nClick here to join the meeting \nOr call in (audio only) \n+46 8 505 252 11\,\,609786983#   Sweden\, Stockholm \nPhone Conference ID: 609 786 983# \nFind a local number | Reset PIN \nLearn More | Meeting options \n_______________________________________________________________\n— SC_PdM mailing list SC_PdM@lists.chalmers.sehttps://lists.chalmers.se/mailman/listinfo/sc_pdm
URL:https://www.software-center.se/event/pdm-community-workshop-co-existence-of-existing-and-emerging-business-ecosystems/
LOCATION:Wallenberg Conference Center\, Medicinaregatan 20\, Göteborg\, 413 90\, Sweden
CATEGORIES:Meeting
ORGANIZER;CN="Helena Holmstr%C3%B6m Olsson":MAILTO:helena.holmstrom.olsson@mau.se
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Stockholm:20211122T120000
DTEND;TZID=Europe/Stockholm:20211122T123000
DTSTAMP:20260526T120831
CREATED:20211110T105447Z
LAST-MODIFIED:20211110T130030Z
UID:4041-1637582400-1637584200@www.software-center.se
SUMMARY:Lunch Seminar: Generating Exception-Triggering Tests
DESCRIPTION:Speaker: Gregory Gay\, Chalmers \nAbstract: Search-based test generation is guided by feedback from one or more fitness functions—scoring functions that judge solution optimality. Choosing informative fitness functions is crucial to meeting the goals of a tester. Unfortunately\, many goals—such as forcing the class-under-test to throw exceptions—do not have a known fitness function formulation. We propose that meeting such goals requires treating fitness function identification as a secondary optimization step. An adaptive algorithm that can vary the selection of fitness functions could adjust its selection throughout the generation process to maximize goal attainment\, based on the current population of test suites. To test this hypothesis\, we have implemented two reinforcement learning algorithms in the EvoSuite framework\, and used these algorithms to dynamically set the fitness functions used during generation. \n We have evaluated our framework\, EvoSuiteFIT\, on a set of 386 real faults. EvoSuiteFIT discovers and retains more exception-triggering input and produces suites that detect a variety of faults missed by the other techniques. The ability to adjust fitness functions allows EvoSuiteFIT to make strategic choices that efficiently produce more effective test suites.
URL:https://www.software-center.se/event/generating-exception-triggering-tests/
LOCATION:Virtual event\, Sweden
ORGANIZER;CN="Kristian Sandahl":MAILTO:kristian.sandahl@liu.se
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Stockholm:20211126T140000
DTEND;TZID=Europe/Stockholm:20211126T150000
DTSTAMP:20260526T120831
CREATED:20201214T091442Z
LAST-MODIFIED:20201214T091442Z
UID:2426-1637935200-1637938800@www.software-center.se
SUMMARY:Deadline for NEW project proposals
DESCRIPTION:
URL:https://www.software-center.se/event/deadline-for-new-project-proposals-9/
LOCATION:Virtual event\, Sweden
ORGANIZER;CN="Jan Bosch":MAILTO:jan.bosch@chalmers.se
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Stockholm:20211129T120000
DTEND;TZID=Europe/Stockholm:20211129T123000
DTSTAMP:20260526T120831
CREATED:20211126T103935Z
LAST-MODIFIED:20211126T103935Z
UID:4081-1638187200-1638189000@www.software-center.se
SUMMARY:Lunch seminar: Consistent development artifacts
DESCRIPTION:Welcome to the next Software Center lunch seminar hosted by theme 2: Consistent development artifacts – a reality check \nSpeaker: Jan Carlson\, Mälardalen University \n \nDevelopment of complex software of high quality can involve a number of artifacts in addition to the produced code\, from requirement documents\, models at architectural and design level to test suits. As development becomes more agile\, these artifacts must be allowed to evolve concurrently\, while still retaining a sufficient level of consistency between them (or at least being aware of inconsistencies). This talk addresses the topic of consistency and synchronization between different development artefacts and how this relates to the push towards shorter development cycles. Different kinds of consistency challenges will be presented\, as well as to what extent existing solutions proposed by academia are suitable in concrete industrial contexts. \nMost welcome to the seminar and please share this invitation with your colleagues! \nAlso\, please note that everyone interested in getting invitation to future lunch seminars can sign up using the following link: https://lists.chalmers.se/mailman/listinfo/sc_lunchseminars \n\n\n  \n_________________________________________\nMicrosoft Teams-möte\n\n\nJobba på datorn eller mobilappen\nKlicka här för att ansluta till mötet\n\nEller ring in (endast ljud)\n+46 8 505 218 36\,\,915731636#   Sweden\, Stockholm\n\nTelefonkonferens-ID: 915 731 636# \nHitta ett lokalt nummer | Återställ PIN-kod\nLäs mer | Mötesalternativ\n\n\n__________________________________________\n— SC_LunchSeminars mailing list SC_LunchSeminars@lists.chalmers.sehttps://lists.chalmers.se/mailman/listinfo/sc_lunchseminars
URL:https://www.software-center.se/event/lunch-seminar-consistent-development-artifacts/
LOCATION:Virtual event\, Sweden
CATEGORIES:Lunch seminar
ORGANIZER;CN="Jan Carlson":MAILTO:jan.carlson@mdh.se
END:VEVENT
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