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Temporal Analysis of Activity Patterns of Editors in Collaborative Mapping Project of OpenStreetMap

WikiSym 2013 - Hong Kong
by

Taha Yasseri

on 18 September 2013

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Transcript of Temporal Analysis of Activity Patterns of Editors in Collaborative Mapping Project of OpenStreetMap

Temporal Analysis of Activity Patterns of Editors inCollaborative Mapping Project of
Taha Yasseri
Oxford Internet Institute
University of Oxford
www.oii.ox.ac.uk
OpenStreetMap
Afra Mashhadi
Bell Labs, Dublin

Giovanni Quattrone

University College London

done!
Physics: Understanding Natural Mechanisms
Story
There is no story without time
We can't understand a system without understanding its temporal features
Human Dynamics
In Wikipedia Edits
Homosexuality
Lady Gaga
T. Yasseri et al. (2012) Dynamics of conflicts in Wikipedia.
PLoS ONE 7(6): e38869.
Circadian Weekly Monthly Seasonal
Heart Beats
Phone Calls
Mobility
Wikipedia
P. Smetana (2002) Sex differences in repolarization homogeneity and its circadian pattern.
Am J Physiol Heart Circ Physiol 282:1889.
Hang-Hyun Jo et al. (2012) Circadian pattern and burstiness in mobile phone communication.
New J. Phys. 14:013055.
London Oyster Card
Duncan Horn
Transport for London
Edits
Time of the day
Yasseri et al. (2012) Circadian patterns of Wikipedia editorial activity: A demographic analysis.
PLoS ONE 7(1): e30091.
Yasseri et al. (2012) Circadian patterns of Wikipedia editorial activity: A demographic analysis.
PLoS ONE 7(1): e30091.
Wikipedia
Rhythms and Bursts
OpenStreetMap
OpenStreetMap (OSM): a collaborative project to create a free editable map of the world
A. Mashhadi et al. (2012)
On the Accuracy of Urban Crowd-Sourcing for Maintaining Large-Scale Geospatial Databases,
Wikisym'12.
Coverage
and
Accuracy
City #Users #Edits Time Window

London 607 534,361 7 years
Rome 563 146,000 5 years

Data
Circadian Pattern (OSM)
PCA
Principal component analysis

Editing Eigen-behaviours
Decomposition
fixed year = y
= c + c + c
1 2 3
?
Life Expectancy at Age 80

N. Gavrilova and L. Gavrilov (2005)
Descriptive Models
ML
Morten Wang et al.
@TahaYasseri
http://www.oii.ox.ac.uk/people/yasseri/
Publications
Yasseri, T., and J. Kertész (2013) Value production in a collaborative environment. Journal of Statistical Physics 151 (3-4) 414-439.

Török, J., Iñiguez, G., Yasseri, T., San Miguel, M., Kaski, K., and Kertész, J. (2013) Opinions, Conflicts and Consensus: Modeling Social Dynamics in a Collaborative Environment. Physical Review Letters 110 (8).

Yasseri, T., Kornai, A., and Kertész, J. (2012) A practical approach to language complexity: a Wikipedia case study. PLoS ONE 7(11): e48386.

Yasseri, T., Sumi, R., Rung, A., Kornai, A., and Kertész, J. (2012) Dynamics of conflicts in Wikipedia. PLoS ONE 7(6): e38869.
Yasseri, T., Sumi, R., and Kertész, J. (2012) Circadian patterns of Wikipedia editorial activity: A demographic analysis. PLoS ONE 7(1): e30091.

Mestyán, M., Yasseri, T., and Kertész, J. (2012) Early Prediction of Movie Box Office Success based on Wikipedia Activity Big Data. PLoS ONE (in press).

Yasseri, T., Spoerri, A., Graham, M. and Kertész, J. (2014) The most controversial topics in Wikipedia: A multilingual and geographical analysis. In: P.Fichman and N.Hara (eds) Global Wikipedia: International and cross-cultural issues in online collaboration. Scarecrow Press.

Sumi, R., Yasseri, T., Rung, A., Kornai, A., and Kertész, J. (2011) Edit wars in Wikipedia. IEEE Third International Conference on Social Computing (SocialCom), 9-11 October 2011, Boston, MA. pp. 724-727.

Sumi, R., Yasseri, T., Rung, A., Kornai, A., and Kertész, J. (2011) Characterization and prediction of Wikipedia edit wars. Proceedings of the ACM WebSci'11, Koblenz, Germany, June 2011.
Media Coverage
Burst and Controversy
Granz Slater @ youtube
Full transcript