Temporal patterns of human behavior

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dc.contributor Aalto-yliopisto fi
dc.contributor Aalto University en
dc.contributor.author Aledavood, Talayeh
dc.date.accessioned 2017-11-22T10:02:50Z
dc.date.available 2017-11-22T10:02:50Z
dc.date.issued 2017
dc.identifier.isbn 978-952-60-7724-6 (electronic)
dc.identifier.isbn 978-952-60-7723-9 (printed)
dc.identifier.issn 1799-4942 (electronic)
dc.identifier.issn 1799-4934 (printed)
dc.identifier.issn 1799-4934 (ISSN-L)
dc.identifier.uri https://aaltodoc.aalto.fi/handle/123456789/28892
dc.description.abstract With the development of programmable computers, humans have entered the digital age. The emergence of the World Wide Web and the ubiquity of computers, mobile phones, and other devices that automatically store digital records has led to the concept of big data. To harness this big data, new computational tools and methods are constantly being created to extract information from it. When people interact with digital devices and platforms, they leave digital footprints. These traces can open a window into understanding the behavioral patterns of humans. The emerging multi-disciplinary field of computational social science takes advantage of the large, empirical datasets built of these footprints and uses them to address questions from various fields of social sciences by applying methods and techniques from hard sciences like physics and network science. In the past decade, there has been a surge of studies where such datasets have been used to study human patterns of behavior. Many have looked at structural properties of social networks such as personal network sizes or tie strengths. A more recent trend focuses on temporal features of human behavior and communication. In this thesis, multiple datasets of digital activity have been analyzed. These data are of various types, from communication timestamps to sociodemographic data. The main focus of this work is to understand temporal patterns of human behavior, such as daily and weekly patterns of communication, as well as patterns of mobile phone usage, which can be seen as proxies of times of sleep and wakefulness. Looking at these different rhythms, we find that individuals exhibit activity patterns which are unique to each person and they tend to maintain their signature activity pattern over time. Based on their propensity to sleep at different hours of the day, people can be categorized into groups called chronotypes. By analyzing the phone usage activity, we infer their Chronotype and find that individuals with different chronotypes vary in the features of their personal social network, such as the number of their contacts. For example, we see that evening-active individuals maintain larger networks. Also, by looking at the social network of study participants we observe that evening-active people tend to be more central in the network. They also exhibit homophily, which is absent for morning-active individuals. Recently, much effort has been made to design studies which combine different devices and data sources to collect data from individuals with the goal of addressing specific questions and trying to tackle societal challenges such as the spread of diseases or issues of mental health. We have worked in a multi-disciplinary group to design a prototype data collection platform, which is currently being used for projects ranging from mental health to neuroscience studies. en
dc.format.extent 83 + app. 42
dc.format.mimetype application/pdf en
dc.language.iso en en
dc.publisher Aalto University en
dc.publisher Aalto-yliopisto fi
dc.relation.ispartofseries Aalto University publication series DOCTORAL DISSERTATIONS en
dc.relation.ispartofseries 225/2017
dc.relation.haspart [Publication 1]: Talayeh Aledavood, Sune Lehmann, Jari Saramäki. Digital daily cycles of individuals. Front. Phys., Volume 3, p. 73, October 2015. Full text at Aaltodoc: http://urn.fi/URN:NBN:fi:aalto-201711217584. DOI: 10.3389/fphy.2015.00073
dc.relation.haspart [Publication 2]: Talayeh Aledavood, Eduardo López, Sam G. B. Roberts, Felix Reed-Tsochas, Esteban Moro, Robin I. M. Dunbar, Jari Saramäki. Daily Rhythms in Mobile Telephone Communication. PLOS ONE, Volume 10, Issue 9, e0138098, September 2015. Full text at Aaltodoc: http://urn.fi/URN:NBN:fi:aalto-201705113850. DOI: 10.1371/journal.pone.0138098
dc.relation.haspart [Publication 3]: Talayeh Aledavood, Eduardo López, Sam G. B. Roberts, Felix Reed-Tsochas, Esteban Moro, Robin I. M. Dunbar, Jari Saramäki. Channel-specific daily patterns in mobile phone communication. Proceedings of ECCS 2014, Springer International Publishing, p. 209–218, May 2016. DOI: 10.1007/978-3-319-29228-1_18
dc.relation.haspart [Publication 4]: Rainer Kujala, Talayeh Aledavood, Jari Saramäki. Estimation and monitoring of city-to-city travel times using call detail records. EPJ Data Science, Volume 5, p. 6, March 2016. Full text at Aaltodoc: http://urn.fi/URN:NBN:fi:aalto-201705113937. DOI: 10.1140/epjds/s13688-016-0067-3
dc.relation.haspart [Publication 5]: Talayeh Aledavood, Sune Lehmann, Jari Saramäki. Social Network Differences of Chronotypes Identified from Mobile Phone Data. Submitted, 8 pages, August 2017
dc.relation.haspart [Publication 6]: Talayeh Aledavood, Ana Triana Hoyos, Tuomas Alakörkkö, Kimmo Kaski, Jari Saramäki, Erkki Isometsä, Richard K. Darst. Data Collection for Mental Health Studies Through Digital Platforms: Requirements and Design of a Prototype. JMIR Research Protocols, Volume 6, Issue 6, e110, June 2017. Full text at Aaltodoc: http://urn.fi/URN:NBN:fi:aalto-201711217635. DOI: 10.2196/resprot.6919
dc.subject.other Computer science en
dc.title Temporal patterns of human behavior en
dc.type G5 Artikkeliväitöskirja fi
dc.contributor.school Perustieteiden korkeakoulu fi
dc.contributor.school School of Science en
dc.contributor.department Tietotekniikan laitos fi
dc.contributor.department Department of Computer Science en
dc.subject.keyword computational social science en
dc.subject.keyword temporal patterns en
dc.subject.keyword big data en
dc.subject.keyword social networks en
dc.subject.keyword data collection studies en
dc.identifier.urn URN:ISBN:978-952-60-7724-6
dc.type.dcmitype text en
dc.type.ontasot Doctoral dissertation (article-based) en
dc.type.ontasot Väitöskirja (artikkeli) fi
dc.contributor.supervisor Saramäki, Jari, Prof., Aalto University, Department of Computer Science, Finland
dc.opn Catutto, Ciro, Scientific Director, ISI Foundation, Italy
dc.contributor.lab Complex Systems en
dc.rev Barrat, Alain, Research scientist, Centre de Physique Théorique, France
dc.rev Mathiesen, Joachim, Associate Prof., University of Copenhagen, Denmark
dc.date.defence 2017-12-05

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