Input Contributions TF Crowdsourcing (led by Tobias Hoßfeld) Publications and Major Results: • Judith Redi and Isabel Povoa. Crowdsourcing for Rating Image Aesthetic Appeal: Better a Paid or a Volunteer Crowd? 3rd International ACM workshop on Crowdsourcing for Multimedia (CrowdMM 2014), Orlando, USA, November 2014 • Babak Naderi, Ina Wechsung, Tim Polzehl and Sebastian Möller. Development and Validation of Extrinsic Motivation Scale for Crowdsourcing Micro-task Platforms. 3rd International ACM workshop on Crowdsourcing for Multimedia (CrowdMM 2014), Orlando, USA, November 2014 • Tobias Hoßfeld, Matthias Hirth, Pavel Korshunov, Philippe Hanhart, Bruno Gardlo, Christian Keimel, Christian Timmerer.Survey of Web-based Crowdsourcing Frameworks for Subjective Quality Assessment. 16th International Workshop on Multimedia Signal Processing, Jakarta, Indonesia, September 2014. • Tobias Hoßfeld, Michael Seufert, Christian Sieber, Thomas Zinner. Assessing Effect Sizes of Influence Factors Towards a QoE Model for HTTP Adaptive Streaming. 6th International Workshop on Quality of Multimedia Experience (QoMEX), Singapore, September 2014. • Babak Naderi, Tim Polzehl, André Beyer, Tibor Pilz, Sebastian Möller. Crowdee: Mobile Crowdsourcing Micro-task Platform - for Celebrating the Diversity of Languages. Proc. 15th Ann. Conf. of the Int. Speech Communication Assoc. (Interspeech 2014). IEEE, Singapore, September 2014. • Simon Oechsner, Boris Bellalta, Desislava Dimitrova, Tobias Hoßfeld. Visions and Challenges for Sensor Network Collaboration in the Cloud. The Eighth International Conference on Innovative Mobile and Internet Services in Ubiquitous Computing (IMIS-2014), Birmingham, UK, July 2014. • Isabelle Hupont, Pierre Lebreton, Toni Mäki, Evangelos Skodras, Matthias Hirth. Is affective crowdsourcing reliable?. 5th International Conference on Communications and Electronics (ICCE 2014), Da Nang, Vietnam, July 2014. • Matthias Hirth, Sven Scheuring, Tobias Hoßfeld, Christian Schwartz, Phuoc Tran-Gia. Predicting Result Quality in Crowdsourcing Using Application Layer Monitoring. 5th International Conference on Communications and Electronics (ICCE 2014), Da Nang, Vietnam, July 2014. • Tobias Hoßfeld, Christian Timmerer. Quality of Experience Assessment using Crowdsourcing. IEEE COMSOC MMTC R-Letter, 5, June 2014. • Tobias Hoßfeld. On Training the Crowd for Subjective Quality Studies. VQEG eLetter, 1, March 2014. • Tobias Hossfeld, Christian Keimel, Matthias Hirth, Bruno Gardlo, Julian Habigt, Klaus Diepold, Phuoc Tran-Gia. Best Practices for QoE Crowdtesting: QoE Assessment with Crowdsourcing. Transactions on Multimedia, 16, 2014. • Tobias Hoßfeld, Christian Keimel. Crowdsourcing in QoE Evaluation in Quality of Experience. Editor(s):Sebastian Möller, Alexander Raake, Springer, ISBN 978-3-319-02680-0, Advanced Concepts, Applications and Methods Series: T-Labs Series in Telecommunication Services, March 2014. • Valentin Burger, Matthias Hirth, Christian Schwartz, Tobias Hoßfeld. Increasing the Coverage of Vantage Points in Distributed Active Network Measurements by Crowdsourcing. Measurement, Modelling and Evaluation of Computing Systems (MMB 2014), Bamberg, Germany, March 2014. • Bruno Gardlo, Sebastian Egger, Michael Seufert, Raimund Schatz. Crowdsourcing 2.0: Enhancing Execution Speed and Reliability of Web-based QoE Testing. IEEE International Conference on Communications (ICC 2014), Sydney, Australia, June 2014. • Filippo Mazza, Matthieu Perreira Da Silva, Patrick Le Callet. Would you hire me? Selfie portrait images perception in a recruitment context SPIE HVEI XIX 2014, San Francisco, CA USA, February 2014. • Pavel Korshunov, Hiromi Nemoto, Athanassios Skodras, and Touradj Ebrahimi. The effect of HDR images on privacy: crowdsourcing evaluation. SPIE Photonics Europe 2014, Optics, Photonics and Digital Technologies for Multimedia Applications, April 2014, Brussels, Belgium. Summary of Discussion Points Achievements since last general meeting Joint Qualinet Crowdsourcing experiment (JOC): o Further results were achieved and crowdsourcing experiments conducted. o Crowdsourcing-based multimedia subjective evaluations: a case study on image recognizability and aesthetic appeal o Judith Redi and Isabel Povoa. Crowdsourcing for Rating Image Aesthetic Appeal: Better a Paid or a Volunteer Crowd? 3rd International ACM workshop on Crowdsourcing for Multimedia (CrowdMM 2014), Orlando, USA, November 2014 Crowdlib activity finished by joint survey paper o Tobias Hoßfeld, Matthias Hirth, Pavel Korshunov, Philippe Hanhart, Bruno Gardlo, Christian Keimel, Christian Timmerer. Survey of Webbased Crowdsourcing Frameworks for Subjective Quality Assessment. 16th International Workshop on Multimedia Signal Processing, Jakarta, Indonesia, September 2014. o Paper received top 10% paper awards from MMSP 2014. Best practices for crowdsourcing are reported in a joint Qualinet recommendation paper o Best Practices and Recommendations for Crowdsourced QoE Lessons learned from the Qualinet WG2 Task Force Crowdsourcing" by Tobias Hossfeld, Matthias Hirth, Judith Redi, Filippo Mazza, Pavel Korshunov, Babak Naderi, Michael Seufert, Bruno Gardlo, Sebastian Egger, Christian Keimel o First draft released: October 7, 2014 o Paper will be published October 31, 2014 Output from Qualinet summer school 2013 on Crowdsourcing in Patras o Pierre Lebreton, Evangelos Skodras, Toni Mäki, Isabelle Hupont Torres, and Matthias Hirth. Bridging the gap between eye tracking and crowdsourcing. Accepted for publication in: Proceedings of the SPIE 9394, Human Vision and Electronic Imaging XX . San Francisco, USA, February 2015 o Isabelle Hupont, Pierre Lebreton, Toni Mäki, Evangelos Skodras, Matthias Hirth. Is affective crowdsourcing reliable?. 5th International Conference on Communications and Electronics (ICCE 2014), Da Nang, Vietnam, July 2014 o Pavel Korshunov, Hiromi Nemoto, Athanassios Skodras, and Touradj Ebrahimi. The effect of HDR images on privacy: crowdsourcing evaluation. SPIE Photonics Europe 2014, Optics, Photonics and Digital Technologies for Multimedia Applications, April 2014, Brussels, Belgium. Other crowdsourcing experiments conducted o Crowdsourcing study on real streaming experience o HTTP adaptive streaming o Aesthetic appeal of images All objectives for 2014 have been fulfilled. More details: https://www3.informatik.uniwuerzburg.de/qoewiki/qualinet:crowd:berlinmeeting2014 Planning& Objectives for 2014 The Qualinet Recommendation paper on crowdsourcing for quality assessment will be finalized. The JOC experiment is continued to investigate the difference between crowdsourcing and lab studies. Discussion on future activities and research topics, e.g. o Predicting Result Quality in Crowdsourcing Using Application Layer Monitoring o eye-tracking and affective crowdsourcing Continue the successful activities and joint work! Action points Finalization of Qualinet Recommendation paper A Forum paper (in form of interview of experts) o In a different form, own experiences and best practices will be shared. o Paper will be initiated by Patrick le Callet and Tobias Hossfeld Disposition of Input Documents Document Title Authors Disposition Qi0558 Summary and major achievements of WG2 Task Force "Crowdsourcing“ Tobias Hoßfeld Qi05xy Comparison between lab and crowdsourcing Ernestasia Siahaan, uploaded to document repository and wiki uploaded to results on aesthetic appeal Judith Redi Qi0553 CS Taskforce Lessons learned from Crowdsourcing, Filippo Mazza Qi0557 Crowdsourcing 2.x: From Microworkers to Customers: Lessons learned from crowdsourcing testing Predicting Result Quality in Crowdsourcing Using Application Layer Monitoring Bruno Gardlo Bridging the Gap Between Eye Tracking and Crowdsourcing Matthias Hirth Qi0549 Qi0550 Matthias Hirth document repository and wiki uploaded to document repository and wiki uploaded to document repository and wiki uploaded to document repository and wiki uploaded to document repository and wiki Inputs to other WG WG 1 3 4 5 Topic Crowdsourcing experiments providing subjective data for different applications: HTTP adaptive streaming, web browsing, Dropbox QoE models and influence factors on different aspects of web browsing (aesthetics, usability, content, performance, task, element load time, web session) Joint Qualinet Experiment Special session on crowdsourcing at ICCE 2014 ACM CrowdMM 2014 Workshop at ACM Multimedia Dagstuhl Report on Crowdsourcing Seminar