Scipediacontent: Scipediacontent moved page Draft Content 597691605 to Luo et al 2016c

2021-02-02T03:09:11Z

Scipediacontent moved page Draft Content 597691605 to Luo et al 2016c

Scipediacontent: Created page with " == Abstract == Researchers who analyse smartphone usage logs often make the assumption that users who lock and unlock their phone for brief periods of time (e.g., less tha..."

2021-02-02T03:09:04Z

Created page with " == Abstract == Researchers who analyse smartphone usage logs often make the assumption that users who lock and unlock their phone for brief periods of time (e.g., less tha..."

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== Abstract ==

Researchers who analyse smartphone usage logs often make the assumption that users who lock and unlock their phone for brief periods of time (e.g., less than a minute) are continuing the same "session" of interaction. However, this assumption is not empirically validated, and in fact different studies apply different arbitrary thresholds in their analysis. To validate this assumption, we conducted a field study where we collected user-labelled activity data through ESM and sensor logging. Our results indicate that for the majority of instances where users return to their smartphone, i.e., unlock their device, they in fact begin a new session as opposed to continuing a previous one. Our findings suggest that the commonly used approach of ignoring brief standby periods is not reliable, but optimisation is possible. We therefore propose various metrics related to usage sessions and evaluate various machine learning approaches to classify gaps in usage.

== Original document ==

The different versions of the original document can be found in:

* [http://dx.doi.org/10.1145/2858036.2858348 http://dx.doi.org/10.1145/2858036.2858348]

* [http://jultika.oulu.fi/files/nbnfi-fe201901232751.pdf http://jultika.oulu.fi/files/nbnfi-fe201901232751.pdf]

* [http://urn.fi/urn:nbn:fi-fe201901232751 http://urn.fi/urn:nbn:fi-fe201901232751]

* [https://dblp.uni-trier.de/db/conf/chi/chi2016.html#BerkelLAFGHK16 https://dblp.uni-trier.de/db/conf/chi/chi2016.html#BerkelLAFGHK16],
: [http://ubicomp.oulu.fi/files/chi16a.pdf http://ubicomp.oulu.fi/files/chi16a.pdf],
: [https://nielsvanberkel.com/files/publications/chi2016a.pdf https://nielsvanberkel.com/files/publications/chi2016a.pdf],
: [https://people.eng.unimelb.edu.au/vkostakos/files/papers/chi16a.pdf https://people.eng.unimelb.edu.au/vkostakos/files/papers/chi16a.pdf],
: [http://jultika.oulu.fi/files/nbnfi-fe201901232751.pdf http://jultika.oulu.fi/files/nbnfi-fe201901232751.pdf],
: [https://dl.acm.org/citation.cfm?id=2858348 https://dl.acm.org/citation.cfm?id=2858348],
: [https://findanexpert.unimelb.edu.au/scholarlywork/1190094-a-systematic-assessment-of-smartphone-usage-gaps https://findanexpert.unimelb.edu.au/scholarlywork/1190094-a-systematic-assessment-of-smartphone-usage-gaps],
: [https://doi.acm.org/10.1145/2858036.2858348 https://doi.acm.org/10.1145/2858036.2858348],
: [http://jultika.oulu.fi/Record/nbnfi-fe201901232751 http://jultika.oulu.fi/Record/nbnfi-fe201901232751],
: [https://people.eng.unimelb.edu.au/vkostakos/publications.php?key=RN10686 https://people.eng.unimelb.edu.au/vkostakos/publications.php?key=RN10686],
: [https://vbn.aau.dk/da/publications/a-systematic-assessment-of-smartphone-usage-gaps https://vbn.aau.dk/da/publications/a-systematic-assessment-of-smartphone-usage-gaps],
: [http://www.denzilferreira.com/papers/2016/chi16a.pdf http://www.denzilferreira.com/papers/2016/chi16a.pdf],
: [https://academic.microsoft.com/#/detail/2395408443 https://academic.microsoft.com/#/detail/2395408443]

* [http://dl.acm.org/ft_gateway.cfm?id=2858348&ftid=1715487&dwn=1 http://dl.acm.org/ft_gateway.cfm?id=2858348&ftid=1715487&dwn=1],
: [http://dx.doi.org/10.1145/2858036.2858348 http://dx.doi.org/10.1145/2858036.2858348] under the license http://www.acm.org/publications/policies/copyright_policy#Background

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Luo et al 2016c - Revision history

Scipediacontent: Scipediacontent moved page Draft Content 597691605 to Luo et al 2016c

Scipediacontent: Created page with " == Abstract == Researchers who analyse smartphone usage logs often make the assumption that users who lock and unlock their phone for brief periods of time (e.g., less tha..."