Katarzyna Wac

Katarzyna Wac

Guest Researcher


  1. Optimizing Patient Management and Adherence for Children Receiving Growth Hormone

    Acerini, C. L., Wac, Katarzyna, Bang, P. & Lehwalder, D., 2017, In: Frontiers in Endocrinology. 8, 313.

    Research output: Contribution to journalJournal articleResearchpeer-review

  2. Published

    Energy saving approaches for video streaming on smartphone based on QoE modeling

    Ballesteros, L. G. M., Ickin, S., Fiedler, M., Markendahl, J., Tollmar, K. & Wac, Katarzyna, 2016, 2016 13th IEEE Annual Consumer Communications and Networking Conference (CCNC 2016). IEEE, p. 103-106 4 p.

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

  3. Published

    Complementing human behavior assessment by leveraging personal ubiquitous devices and social links: An evaluation of the peerceived momentary assessment method

    Berrocal, A., Concepcion, W., De Dominicis, Stefano & Wac, Katarzyna, 2020, In: JMIR mHealth and uHealth. 8, 8, 26 p., e15947.

    Research output: Contribution to journalJournal articleResearchpeer-review

  4. Published

    mQoL Lab: Step-by-step creation of a flexible platform to conduct studies using interactive, mobile, wearable and ubiquitous devices

    Berrocal, A., Manea, V., de Masi, A. & Wac, Katarzyna, 2020, In: Procedia Computer Science. 175, p. 221-229

    Research output: Contribution to journalConference articleResearchpeer-review

  5. Published

    Peers know you: A feasibility study of the predictive value of peEr's observations to estimate human states

    Berrocal, A. & Wac, Katarzyna, 2020, In: Procedia Computer Science. 175, p. 205-213

    Research output: Contribution to journalConference articleResearchpeer-review

  6. Published

    Peer-vasive computing: Leveraging peers to enhance the accuracy of self-reports in mobile human studies

    Berrocal, A. & Wac, Katarzyna, 2018, UbiComp/ISWC 2018 - Adjunct Proceedings of the 2018 ACM International Joint Conference on Pervasive and Ubiquitous Computing and Proceedings of the 2018 ACM International Symposium on Wearable Computers. Association for Computing Machinery, p. 600-605 6 p.

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

  7. Published

    "Healthcare on a Wrist": Increasing Compliance Through Checklists on Wearables in Obesity (Self-)Management Programs

    Boillat, T., Rivas, H. & Wac, Katarzyna, 2018, Digital Health: Scaling Healthcare to the World. Rivas, H. & Wac, K. (eds.). Springer, p. 65-81 (Health Informatics Series).

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearchpeer-review

  8. Published

    Towards an application framework for context-aware m-health applications

    Broens, T., van Halteren, A., van Sinderen, M. & Wac, Katarzyna, 18 May 2007, In: International Journal of Internet Protocol Technology. 2, 2, p. 109-116 8 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  9. Published

    Goodput analysis of 3G wireless networks supporting m-health services

    Bults, R., Wac, Katarzyna, Van Halteren, A., Nicola, V. & Konstantas, D., 1 Dec 2005, Proceedings of the 8th International Conference on Telecommunications, ConTEL 2005. p. 99-106 8 p. 1458461. (Proceedings of the 8th International Conference on Telecommunications, ConTEL 2005, Vol. 1).

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

  10. Smartphones as Sleep Duration Sensors: Validation of the iSenseSleep Algorithm

    Ciman, M. & Wac, Katarzyna, 21 May 2019, In: JMIR mHealth and uHealth. 7, 5, e11930.

    Research output: Contribution to journalJournal articleResearchpeer-review

  11. Individuals' Stress Assessment Using Human-Smartphone Interaction Analysis

    Ciman, M. & Wac, Katarzyna, 2018, In: IEEE Transactions on Affective Computing. 9, 1, p. 51-65 15 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  12. Published

    iSenseStress: assessing stress through human-smartphone interaction analysis

    Ciman, M., Wac, Katarzyna & Gaggi, O., 2015, 2015 9th International Conference on Pervasive Computing Technologies for Healthcare (PervasiveHealth). IEEE, p. 84-91 8 p.

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

  13. Published

    Effects of Sleep Deprivation on Blood Glucose, Food Cravings, and Affect in a Non-Diabetic: An N-of-1 Randomized Pilot Study

    Daza, E. J., Wac, Katarzyna & Oppezzo, M., 2020, In: Healthcare. 8, 1, 17 p., 6.

    Research output: Contribution to journalJournal articleResearchpeer-review

  14. Published

    You're using this app for what? A MQOL living lab study

    De Masi, A. & Wac, Katarzyna, 2018, UbiComp/ISWC 2018 - Adjunct Proceedings of the 2018 ACM International Joint Conference on Pervasive and Ubiquitous Computing and Proceedings of the 2018 ACM International Symposium on Wearable Computers. Association for Computing Machinery, p. 612-617 6 p.

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

  15. Published

    Towards accurate models for predicting smartphone applications’ QoE with data from a living lab study

    De Masi, A. & Wac, Katarzyna, 2020, In: Quality and User Experience. 5, 1, p. 1-18 10.

    Research output: Contribution to journalJournal articleResearchpeer-review

  16. Published

    mQoL smart lab: quality of life living lab for interdisciplinary experiments

    De Masi, A., Ciman, M., Gustarini, M. & Wac, Katarzyna, 2016, UbiComp 2016 Adjunct - Proceedings of the 2016 ACM International Joint Conference on Pervasive and Ubiquitous Computing. Association for Computing Machinery, p. 635-640 6 p.

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

  17. Quantifying and Enhancing Quality of Experience for Smartphone User

    De Masi, A. & Wac, Katarzyna, 2017, p. 1.

    Research output: Contribution to conferencePaperResearch

  18. Published

    Developing self–control theory: towards digital sensoring by smartphone technologies

    Demant, Jakob Johan, Heinskou, Marie Bruvik, Wac, Katarzyna & Schierff, L. M., 2016. 1 p.

    Research output: Contribution to conferenceConference abstract for conferenceResearch

  19. Getting closer: an empirical investigation of the proximity of user to their smart phones

    Dey, A. K., Wac, Katarzyna, Ferreira, D., Tassini, K., Hong, J. & Ramos, J., 2011, Proceedings of the 13th International Conference on Ubiquitous Computing. Association for Computing Machinery, p. 163-172 10 p.

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearchpeer-review

  20. Published

    Visions and challenges in managing and preserving data to measure quality of life

    Estrada-Galinanes, V. & Wac, Katarzyna, 2019, Proceedings - 2018 IEEE 3rd International Workshops on Foundations and Applications of Self* Systems, FAS*W 2018. IEEE, p. 92-99 8 p. 8599538

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

  21. Published

    ReNLoc: an anchor-free localization algorithm for indirect ranging

    Fanourakis, M. & Wac, Katarzyna, 2015, World of Wireless, Mobile and Multimedia Networks (WoWMoM), 2015 IEEE 16th International Symposium on a. IEEE, p. 1-9 9 p.

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

  22. Estimating performance of mobile services from comparative output-input analysis of end-to-end throughput

    Fiedler, M., Wac, Katarzyna, Bults, R. & Arlos, P., 2013, In: I E E E Transactions on Mobile Computing. 12, 9, p. 1761-1773 13 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  23. Published

    Using Consumer‐Wearable Activity Trackers for Risk Prediction of Life‐Threatening Heart Arrhythmia in Patients with an Implantable Cardioverter‐Defibrillator: An Exploratory Observational Study

    Frodi, D. M., Manea, V., Diederichsen, S. Z., Svendsen, Jesper Hastrup, Wac, Katarzyna & Andersen, Tariq Osman, 2022, In: Journal of Personalized Medicine. 12, 6, p. 1-34 942.

    Research output: Contribution to journalJournal articleResearchpeer-review

  24. Published

    A foresight analysis of pervasive healthcare technologies

    Gauthier, T. & Wac, Katarzyna, 2015, In: Journal of Futures Studies. 20, 1, p. 69-81 13 p.

    Research output: Contribution to journalJournal articleResearch

  25. Published

    Acute mental stress and surgical performance

    Grantcharov, P. D., Boillat, T., Elkabany, S., Wac, Katarzyna & Rivas, H., Feb 2019, In: BJS open. 3, 1, p. 119-125

    Research output: Contribution to journalJournal articleResearchpeer-review

  26. Published

    Reprocessing and reuse of single-use medical devices: perceptions and concerns of relevant stakeholders toward current practices

    Grantcharov, P., Ahmed, S., Wac, Katarzyna & Rivas, H., 2019, In: International Journal of Evidence-Based Healthcare. 17, 1, p. 53–57

    Research output: Contribution to journalJournal articleResearchpeer-review

  27. Ubiquitous inference of mobility state of human custodian in people-centric context sensing

    Gustarini, M. & Wac, Katarzyna, 1 Dec 2012, UbiComp'12 - Proceedings of the 2012 ACM Conference on Ubiquitous Computing. p. 725-728 4 p.

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

  28. Anonymous smartphone data collection: factors influencing the users’ acceptance in mobile crowd sensing

    Gustarini, M., Wac, Katarzyna & Dey, A. K., 1 Feb 2016, In: Personal and Ubiquitous Computing. 20, 1, p. 65-82 18 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  29. Evaluation of challenges in human subject studies "in-the-wild" using subjects' personal smartphones

    Gustarini, M., Ickin, S. & Wac, Katarzyna, 2013, UbiComp 2013 Adjunct - Adjunct Publication of the 2013 ACM Conference on Ubiquitous Computing. p. 1447-1456 10 p.

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

  30. UnCrowdTPG: Assuring the experience of public transportation users

    Gustarini, M., Marchanoff, J., Fanourakis, M., Tsiourti, C. & Wac, Katarzyna, 2014, International Conference on Wireless and Mobile Computing, Networking and Communications. IEEE Computer Society Press, p. 1-7 7 p. 6962141

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

  31. Published

    Differences in smartphone usage: validating, evaluating, and predicting mobile user intimacy

    Gustarini, M., Scipioni, M. P., Fanourakis, M. & Wac, Katarzyna, 2016, In: Pervasive and Mobile Computing. 33, p. 50-72 23 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  32. Smartphone interactions change for different intimacy contexts

    Gustarini, M. & Wac, Katarzyna, 2014, Mobile computing, applications, and services: 5th International Conference, MobiCASE 2013, Paris, France, November 7-8, 2013, Revised Selected Papers. Memmi, G. & Blanke, U. (eds.). Springer, Vol. 130. p. 72-89 18 p. (Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering, Vol. 130).

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearchpeer-review

  33. Phone in the pocket: Pervasive self-tracking of physical activity levels

    Hausmann, J., Wac, Katarzyna & Bonjour, J., 20 Aug 2012, Self-Tracking and Collective Intelligence for Personal Wellness - Papers from the AAAI Spring Symposium. Vol. SS-12-05. p. 17-18 2 p.

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

  34. Factors influencing quality of experience of commonly used mobile applications

    Ickin, S., Wac, Katarzyna, Fiedler, M., Janowski, L., Hong, J. & Dey, A. K., 2012, In: I E E E Communications Magazine. 50, 4, p. 48-56 9 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  35. QoE-based energy reduction by controlling the 3g cellular data traffic on the smartphone

    Ickin, S., Wac, Katarzyna & Fiedler, M., 2013, 22nd ITC Specialist Seminar on Energy Efficient and Green Networking, SSEEGN 2013. IEEE Computer Society Press, p. 13-18 6 p. 6705396

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

  36. VLQoE: Video QoE instrumentation on the smartphone

    Ickin, S., Fiedler, M., Wac, Katarzyna, Arlos, P., Temiz, C. & Mkocha, K., 2015, In: Multimedia Tools and Applications. 74, 2, p. 381-411 31 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  37. Catching the download train: Energy-efficient file downloading on smartphones

    Ickin, S., Zinner, T., Wac, Katarzyna & Fiedler, M., 2014, 2014 26th International Teletraffic Congress, ITC 2014. Institute of Electrical and Electronics Engineers Inc., 6932965

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

  38. Studying the challenges in assessing the perceived quality of mobile-phone based video

    Ickin, S., Janowski, L., Wac, Katarzyna & Fiedler, M., 1 Oct 2012, 2012 4th International Workshop on Quality of Multimedia Experience, QoMEX 2012. p. 164-169 6 p. 6263853

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

  39. Energy-based anomaly detection in quality of experience

    Ickin, S., Fiedler, M. & Wac, Katarzyna, 18 Nov 2013, In: Proceedings of the Wireless Personal Multimedia Communications Symposia. 6618587.

    Research output: Contribution to journalJournal articleResearchpeer-review

  40. Demonstrating the stalling events with instantaneous total power consumption in smartphone-based live video streaming

    Ickin, S., Fiedler, M. & Wac, Katarzyna, 1 Dec 2012, 2012 Sustainable Internet and ICT for Sustainability, SustainIT 2012. 6388022

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

  41. Published

    Behind the NAT??? A measurement based evaluation of cellular service quality

    Kaup, F., Michelinakis, F., Bui, N., Widmer, J., Wac, Katarzyna & Hausheer, D., 2015, Network and Service Management (CNSM), 2015 11th International Conference on. IEEE, p. 228-236 9 p.

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

  42. Published

    Assessing the implications of cellular network performance on mobile content access

    Kaup, F., Michelinakis, F., Bui, N., Widmer, J., Wac, Katarzyna & Hausheer, D., 2016, In: IEEE Transactions on Network and Service Management. 13, 2, p. 168-180 13 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  43. Do Wearable Activity Trackers Enhance the Outcomes of Bariatric Surgery?

    Khoury, H., Morton, J., Boillat, T., Wulfovich, S., Wac, Katarzyna & Rivas, H., 1 Oct 2017, In: Surgery for Obesity and Related Diseases. 13, 10, p. S196 1 p.

    Research output: Contribution to journalConference abstract in journalResearchpeer-review

  44. Published

    User Defined Geo-referenced Information

    Konstantas, D., Villalba, A., di Marzo Serugendo, G. & Wac, Katarzyna, 2009, In: Software and Data Technologies, Communications in Computer and Information Science, Volume 47. ISBN 978-3-642-05200-2. Springer-Verlag Berlin Heidelberg, 2009, p. 1. p. 1

    Research output: Contribution to journalJournal articleResearchpeer-review

  45. Published

    Mobile health care: Towards a commercialization of research results

    Konstantas, D., Bults, R., Van Halteren, A., Wac, Katarzyna, Jones, V., Widya, I., Herzog, R. & Streimelweger, B., 1 Dec 2006, European Conference on eHealth 2006, Proceedings of the ECEH 2006. p. 155-166 12 p. (European Conference on eHealth 2006, Proceedings of the ECEH 2006).

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

  46. Using mHealth and eHealth Method to Promote Healthy Behaviors among Women

    Mailey, E. L., Downs, D. S., Arigo, D. & Wac, Katarzyna, Mar 2017, p. S1586-S1586.

    Research output: Contribution to conferenceConference abstract for conferenceResearchpeer-review

  47. Published

    LDC’19: International workshop on longitudinal data collection in human subject studies

    Manea, V., Berrocal, A., De Masi, A., Møller, Naja Holten, Wac, Katarzyna, Bayer, H., Lehmann, S. & Ashley, E., 2019, UbiComp/ISWC '19 Adjunct: Adjunct Proceedings of the 2019 ACM International Joint Conference on Pervasive and Ubiquitous Computing and Proceedings of the 2019 ACM International Symposium on Wearable Computers. Association for Computing Machinery, p. 878-881

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

  48. Published

    Co-Calibrating Physical and Psychological Outcomes and Consumer Wearable Activity Outcomes in Older Adults: An Evaluation of the coQoL Method

    Manea, V. & Wac, Katarzyna, 31 Oct 2020, In: Journal of Personalized Medicine. 10, 4, 86 p., 203.

    Research output: Contribution to journalJournal articleResearchpeer-review

  49. Published

    Using consumer-friendly wearables to correlate patient and technology-reported physical activity in healthy seniors

    Manea, V., Berrocal, A. & Wac, Katarzyna, 2020, In: Procedia Computer Science. 175, p. 245-252 8 p.

    Research output: Contribution to journalConference articleResearchpeer-review

  50. Published

    MQOL: Mobile quality of life lab: From behavior change to QOL

    Manea, V. & Wac, Katarzyna, 2018, UbiComp/ISWC 2018 - Adjunct Proceedings of the 2018 ACM International Joint Conference on Pervasive and Ubiquitous Computing and Proceedings of the 2018 ACM International Symposium on Wearable Computers. Association for Computing Machinery, p. 642-647 6 p.

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

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