Zhanna Sarsenbayeva

Accurate Measurement of Handwash Quality Using Sensor Armbands: Instrument Validation Study

Chaofan Wang, Zhanna Sarsenbayeva, Xiuge Chen, Tilman Dingler, Jorge Goncalves, Vassilis Kostakos

Journal article  |  2020  |  JMIR mHealth and uHealth

BACKGROUND: Hand hygiene is a crucial and cost-effective method to prevent health care-associated infections, and in 2009, the Wor..

Overcoming compliance bias in self-report studies: A cross-study analysis

Niels van Berkel, Jorge Goncalves, Simo Hosio, Zhanna Sarsenbayeva, Eduardo Velloso, Vassilis Kostakos

Journal article  |  2020  |  International Journal of Human-Computer Studies

A popular methodology used for in situ observations is the Experience Sampling Method (ESM), in which participants intermittently ..

Probing Sucrose Contents in Everyday Drinks Using Miniaturized Near-Infrared Spectroscopy Scanners

Weiwei Jiang, Gabriele Marini, Niels van Berkel, Zhanna Sarsenbayeva, Zheyu Tan, Chu Luo, Xin He, Tilman Dingler, Jorge Goncalves, Yoshihiro Kawahara, Vassilis Kostakos

Journal article  |  2019  |  Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies

Near-Infrared Spectroscopy (NIRS) is a non-invasive sensing technique which can be used to acquire information on an object's chem..

Effect of Ambient Light on Mobile Interaction

Zhanna Sarsenbayeva, Niels van Berkel, Weiwei Jiang, Danula Hettiachchi, Vassilis Kostakos, Jorge Goncalves

Conference Proceedings  |  2019  |  Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)

In this work we investigate the effect of ambient light on performance during mobile interaction. We evaluate three conditions of ..

Addressing the challenges of situationally-induced impairments and disabilities in mobile interaction

GW Tigwell, BM Gorman, J Goncalves, JO Wobbrock, Z Sarsenbayeva, DR Flatla, Y Yesilada

Conference Proceedings  |  2019  |  Extended Abstracts of the 2019 CHI Conference on Human Factors in Computing Systems

© 2019 Copyright held by the owner/author(s). Situationally-induced impairments and disabilities (SIIDs) make it difficult for use..

Energy-efficient prediction of smartphone unlocking

Chu Luo, Aku Visuri, Simon Klakegg, Niels van Berkel, Zhanna Sarsenbayeva, Antti Mottonen, Jorge Goncalves, Theodoros Anagnostopoulos, Denzil Ferreira, Huber Flores, Eduardo Velloso, Vassilis Kostakos

Journal article  |  2019  |  Personal and Ubiquitous Computing

Measuring the Effects of Stress on Mobile Interaction

Zhanna Sarsenbayeva, Niels van Berkel, Danula Hettiachchi, Weiwei Jiang, Tilman Dingler, Eduardo Velloso, Vassilis Kostakos, Jorge Goncalves

Journal article  |  2019  |  Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies

Research shows that environmental factors such as ambient noise and cold ambience can render users situationally impaired, adverse..

Situationally-Induced Impairments and Disabilities Research

Z Sarsenbayeva, J Goncalves, V Kostakos

Conference Proceedings  |  2019  |  ACM SIGCHI Conference on Human Factors in Computing Systems 2019 Extended Abstracts

Research has shown that various environmental factors impact smartphone interaction and lead to Situationally-Induced Impairments ..

Improving wearable sensor data quality using context markers

Chaofan Wang, Zhanna Sarsenbayeva, Chu Luo, Jorge Goncalves, Vassilis Kostakos

Conference Proceedings  |  2019  |  Proceedings of the 2019 ACM International Joint Conference on Pervasive and Ubiquitous Computing and Proceedings of the 2019 ACM International Symposium on Wearable Computers - UbiComp/ISWC '19

A major challenge in human activity recognition over long periods with multiple sensors is clock synchronization of independent da..

Situational impairments during mobile interaction

Z Sarsenbayeva

Conference Proceedings  |  2018  |  Proceedings of the 2018 ACM International Joint Conference and 2018 International Symposium on Pervasive and Ubiquitous Computing and Wearable Computers - UbiComp '18

Pac-many: Movement behavior when playing collaborative and competitive games on large displays

S Mayer, L Lischke, JE Grønbak, Z Sarsenbayeva, J Vogelsang, PW Woźniak, N Henze, G Jacucci

Conference Proceedings  |  2018  |  Proceedings of the 2018 CHI Conference on Human Factors in Computing Systems - CHI '18

Ubiquitous Mobile Sensing: Behaviour, Mood, and Environment

Aku Visuri, Kennedy Opoku Asare, Elina Kuosmanen, Yuuki Nishiyama, Denzil Ferreira, Zhanna Sarsenbayeva, Jorge Goncalves, Niels van Berke, Greg Wadley, Vassilis Kostakos, Sarah Clinch, Oludamilare Matthews, Simon Harper, Amy Jenkins, Stephen Snow, MC Schraefel

Conference Proceedings  |  2018  |  International Joint Conference on Pervasive and Ubiquitous Computing

Inferring the Mood of a Community From Their Walking Speed: A Preliminary Study

Oludamilare Matthews, Zhanna Sarsenbayeva, Weiwei Jiang, Joshua Newn, Eduardo Velloso, Sarah Clinch, Jorge Goncalves

Conference Proceedings  |  2018  |  Proceedings of the 2018 ACM International Joint Conference and 2018 International Symposium on Pervasive and Ubiquitous Computing and Wearable Computers - UbiComp '18

Assisted Medication Management in Elderly Care Using Miniaturised Near-Infrared Spectroscopy

S Klakegg, J Goncalves, A Visuri, C Luo, A Popov, N van Berkel, Z Sarsenbayeva, V Kostakos, S Hosio, S Savage, A Bykov, I Meglinski, D Ferreira

Journal article  |  2018  |  Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies

Near-infrared spectroscopy (NIRS) measures the light reflected from objects to infer highly detailed information about their molec..

Effect of Distinct Ambient Noise Types on Mobile Interaction

Z Sarsenbayeva, N van Berkel, E Velloso, V Kostakos, J Goncalves

Journal article  |  2018  |  Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies

The adverse effect of ambient noise on humans has been extensively studied in fields like cognitive science, indicating a signific..

A mobile scanner for probing liquid samples in everyday settings

W Jiang, G Marini, N Van Berkel, Z Sarsenbayeva, C Luo, X He, T Dingler, Y Kawahara, V Kostakos

Conference Proceedings  |  2018  |  International Joint Conference on Pervasive and Ubiquitous Computing

© 2018 Copyright held by the owner/author(s). Publication rights licensed to ACM. Our work investigates the use of a Near InfraRed..

Challenges of Situational Impairments during Interaction with Mobile Devices

Z Sarsenbayeva, N van Berkel, C Luo, V Kostakos, J Goncalves

Conference Proceedings  |  2017  |  Proceedings of the 29th Australian Conference on Computer-Human Interaction - OZCHI '17

User interaction with mobile devices can be negatively affected by contextual factors, known as situationally-induced impairments...

Sensing Cold-Induced Situational Impairments in Mobile Interaction Using Battery Temperature

Z Sarsenbayeva, N Van Berkel, A Visuri, S Rissanen, H Rintamaki, V Kostakos, J Goncalves

Journal article  |  2017  |  Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies (IMWUT)

Quantifying Sources and Types of Smartwatch Usage Sessions

Aku Visuri, Zhanna Sarsenbayeva, Niels van Berkel, Jorge Goncalves, Reza Rawassizadeh, Vassilis Kostakos, Denzil Ferreira

Conference Proceedings  |  2017  |  Proceedings of the 2017 CHI Conference on Human Factors in Computing Systems - CHI '17

Vision-Based Happiness Inference: A Feasibility Case-Study

Zhanna Sarsenbayeva, Denzil Ferreira, Niels van Berkel, Chu Luo, Mikko Vaisanen, Vassilis Kostakos, Jorge Goncalves

Conference Proceedings  |  2017  |  Proceedings of the 2017 ACM International Joint Conference on Pervasive and Ubiquitous Computing and Proceedings of the 2017 ACM International Symposium on Wearable Computers

Impact of Mood Changes on Application Selection

A Visuri, Z Sarsenbayeva, J Goncalves, E Karapanos, S Jones

Conference Proceedings  |  2016  |  Proceedings of the 2016 ACM International Joint Conference on Pervasive and Ubiquitous Computing: Adjunct

Situational Impairments to Mobile Interaction in Cold Environments

Zhanna Sarsenbayeva, Jorge Goncalves, Juan García, Simon Klakegg, Sirkka Rissanen, Hannu Rintamäki, Jari Hannu, Vassilis Kostakos

Conference Proceedings  |  2016  |  Proceedings of the 2016 ACM International Joint Conference on Pervasive and Ubiquitous Computing