Papers

Articles (published and submitted)

Leveraging contact network information in clustered randomized trials of infectious processes by P Staples, M Prague, V DeGruttola, and JP Onnela. Submitted (2016).
ArXiv

Social and spatial clustering of people at humanity’s largest gathering by I Barnett, T Khanna, and JP Onnela. PLoS ONE 11(6): e0156794 (2016).
JournalArXiv

Inferring mobility measures from GPS traces with missing data by I Barnett and JP Onnela. Submitted (2016).
ArXiv

Impact of degree truncation on the spread of a contagious process on networks by G Harling and JP Onnela. Submitted (2016).
ArXiv

Leveraging contact network structure in the design of cluster randomized trials by G Harling, R Wang, JP Onnela, and V DeGruttola. Clinical Trials 1740774516673355 (2016).
Working paper | ArXiv

Harnessing smartphone-based digital phenotyping to enhance behavioral and mental health by JP Onnela and SL Rauch. Neuropsychopharmacology 41, 1691 (2016).
Journal

New tools for new research in psychiatry: A scalable and customizable platform to empower data driven smartphone research by J Torous, MV Kiang, J Lorme, and JP Onnela. JMIR Mental Health 3(2):e16 (2016).
Journal | Figure 3 (Multimedia)

The social geography of American medicine by D Kim, AJ O’Malley, and JP Onnela. Submitted (2016).
Working paper | Interactive figures: 1, 3, 4a, 4b, 4c, 4d Code
Data: NPPESPhysician networksPhysician billing, Physician prescribing

Spread of pathogens in the patient transfer network of US hospitals by J Fernandez-Gracia*, JP Onnela*, M Barnett, VM Eguiluz, and NA Christakis. Submitted (2016).
ArXiv

Incorporating contact network structure in cluster randomized trials by P Staples, E Ogburn, and JP Onnela. Scientific Reports 5, 17581 (2015).
Journal | ArXiv | Code

Polio vaccine hesitancy in the networks and neighborhoods of Malegaon, India by JP Onnela, BE Landon, AL Kahn, D Ahmed, H Verma, AJ O’Malley, S Bahl, RW Sutter, and NA Christakis. Social Science and Medicine 153, 999 (2016).
JournalWorking paper | High-resolution network figure

Multiple contexts and adolescent body mass index: schools, neighborhoods, and social networks by CR Evans, JP Onnela, DR Williams, and SV Subramanian. Social Science and Medicine 162, 21, 2016.
Journal

Investigating population dynamics of the Kumbh through the lens of cell phone data by JP Onnela and T Khanna.  In T Khanna, R Mehrotra, F Vera, and D Eck (Eds.), Kumbh Mela: Mapping the ephemeral mega city. Hatje Cantz (2015).
ArXiv

Realizing the potential of mobile mental health: new methods for new data in psychiatry by J Torous, P Staples, and JP Onnela. Current Psychiatry Reports 17:61 (2015).
Journal | PubMed

Utilizing a personal smartphone custom app to assess the Patient Health Questionnaire-9 (PHQ-9) depressive symptoms in patients with major depressive disorder by J Torous, P Staples, M Shanahan, C Lin, P Peck, M Keshavan, and JP Onnela. JMIR Mental Health 2(1), e8 (2015).
Journal | PubMed

Change point detection in correlation networks by Ian Barnett and JP Onnela. Scientific Reports 6, 18893 (2016).
Journal | ArXiv | Data | Code

Mapping Ebola: Why cell phone data could be the key to tracking the next pandemic by S Balsari, J Leaning, JP Onnela, and T Khanna. Emergency Physicians International 15, 30–33 (2014).
Journal

Flow of control in networks by JP Onnela. Science 343 (6177), 1373 (2014).
Journal  |  PubMed

Topics in social network analysis and network science by AJ O’Malley and JP Onnela. Submitted to Handbook of Health Services Research (2014).
ArXiv

Adding network structure onto the map of collective behavior by S Fortunato, J Saramäki, and JP Onnela. Behavioral and Brain Sciences 37 (1), 82 (2014).
Journal  |  PubMed

A simple generative model of collective online behaviour by JP Gleeson, D Cellai, JP Onnela, MA Porter, and F Reed-Tsochas. PNAS 111, 10411 (2014).
Journal  |  PubMed  |  ArXiv

Using sociometers to quantify social interaction patterns by JP Onnela, B Waber, A Pentland, S Schnorf, and D Lazer. Scientific Reports 4, 5604 (2014).
Journal  |  PubMed  |  ArXiv 

Using administrative data to identify naturally occurring networks of physicians by B Landon, JP Onnela, NL Keating, M Barnett, S Paul, AJ O’Malley, T Keegan, and NA Christakis. Medical Care 51 (8), 715 (2013).
PubMed  |  ArXiv

Establishing a culture of reproducibility and openness in medical research with an emphasis on the training years by CD Barr and JP Onnela. Chance 25 (3), 8 (2012).
Journal

Variation in patient-sharing networks of physicians across the United States by B Landon, NL Keating, M Barnett, JP Onnela, S Paul, AJ O’Malley, and NA Christakis. JAMA 308 (3), 265 (2012).
Journal  |  PubMed

Spreading paths in partially observed social networks by JP Onnela and NA Christakis. Physical Review E 85, 036106 (2012).
Journal  |  PubMed  |  ArXiv

Taxonomies of networks from community structure by JP Onnela*, DJ Fenn*, S Reid, MA Porter, PJ Mucha, MD Fricker, and NS Jones. Physical Review E 86, 036104 (2012).
Journal  | PubMed  | ArXiv | Code

Physician patient-sharing networks and the cost and intensity of care in US hospitals by M Barnett, NA Christakis, AJ O’Malley, JP Onnela, NL Keating, and B Landon. Medical Care 50 (2), 152 (2012).
PubMed

Geographic constraints on social network groups by JP Onnela*, S Arbesman*, MC Gonzalez, AL Barabasi, and NA Christakis. PLoS one 6, e16939 (2011).
Journal  |  PubMed  |  ArXiv 

Network Automata: Coupling structure and function in real-world networks by DMD Smith, JP Onnela, CF Lee, M Fricker, and NF Johnson. Advances in Complex Systems 14, 317 (2011).
ArXiv 

Understanding the demographics of Twitter users by A Mislove, S Lehmann, YY Ahn, JP Onnela, and JN Rosenquist. Proceedings of the Fifth International AAAI Conference on Weblogs and Social Media (ICWSM’11), Barcelona, Spain (2011).
Journal

The spontaneous emergence of social influence in online systems by JP Onnela and F Reed-Tsochas. PNAS 107, 18375 (2010).
Journal  |  PubMed  |  ArXiv

Community structure in time-dependent, multiscale, and multiplex networks by PJ Mucha, T Richardson, K Macon, MA Porter, and JP Onnela. Science 328, 876 (2010).
Journal  |  PubMed  |  ArXiv

Competition for popularity in catalog networks by M Beguerisse-Díaz, MA Porter, and JP Onnela. Chaos 20, 043101 (2010).
Journal  |  PubMed  |  ArXiv 

Tick size and stock returns by JP Onnela, J Töyli, and K Kaski. Physica A 388, 441 (2009).
Journal

A comparative study of stochastic algorithmic models for social networks by R Toivonen, L Kovanen, M Kivelä, JP Onnela, J Saramäki, and K Kaski. Social Networks 31, 240 (2009).
Journal  |  ArXiv 

Communities in networks by MA Porter, JP Onnela, and PJ Mucha. Notices of the American Mathematical Society 56, 1082 (2009).
Journal  |  ArXiv 

Master-equation analysis of accelerating networks by DMD Smith, JP Onnela, and NS Jones. Physical Review E 79, 056101 (2009).
Journal  |  PubMed  |  ArXiv 

Sampling bias due to structural heterogeneity and limited internal diffusion by JP Onnela, NF Johnson, S Gourley, G Reinert, and M Spagat. Europhysics Letters 85, 28001 (2009).
Journal   |  ArXiv 

Model of community emergence in weighted social networks by JM Kumpula, JP Onnela, J Saramäki, J Kertész, and K Kaski. Computer Physics Communications 180, 517 (2009).
Journal   |  ArXiv 

Bias in epidemiological studies of conflict mortality by NF Johnson, M Spagat, S Gourley, JP Onnela, and G Reinert. Journal of Peace Research 45 (5), 653 (2008).
Journal  |

Link-space formalism for network analysis by DMD Smith, CF Lee, JP Onnela, and NF Johnson. Physical Review E 77, 036112 (2008).
Journal  |  PubMed  |  ArXiv 

Emergence of communities in weighted networks by JM Kumpula, JP Onnela, J Saramäki, K Kaski, and J Kertész. Physical Review Letters 99, 228701 (2007).
Journal  |  PubMed  |  ArXiv 

Structure and tie strengths in mobile communication networks by JP Onnela, J Saramäki, J Hyvönen, G Szabó, D Lazer, K Kaski, J Kertész, and AL Barabási. PNAS 104, 7332 (2007).
Journal  |  PubMed  |  ArXiv 

Analysis of a large-scale weighted network of one-to-one human communication by JP Onnela, J Saramäki, J Hyvönen, G Szabó, M Argollo de Menezes, K Kaski, AL Barabási, and J Kertész. New Journal of Physics 9, 179 (2007).
Journal  | ArXiv 

Accelerating networks by DMD Smith, JP Onnela, and NF Johnson. New Journal of Physics 9, 181 (2007).
Journal  |  ArXiv 

Spectral and network methods in the analysis of correlation matrices of stock returns by T Heimo, J Saramäki, JP Onnela, and K Kaski. Physica A 383, 147 (2007).
Journal  |  ArXiv 

Generalizations of the clustering coefficient to weighted complex networks by J Saramäki, M Kivelä, JP Onnela, K Kaski, and J Kertész. Physical Review E 75, 027105 (2007).
Journal  |  PubMed  |  ArXiv 

Spectrum, intensity and coherence in weighted networks of a financial market by G Tibély, JP Onnela, J Saramäki, K Kaski, and J Kertész. Physica A 370, 145 (2006).
Journal  |  ArXiv 

Model for social networks by R Toivonen, JP Onnela, J Saramäki, J Hyvönen, and K Kaski. Physica A371, 851 (2006).
Journal  |  ArXiv 

Intensity and coherence of motifs in weighted complex networks JP Onnela, J Saramäki, J Kertész, and K Kaski. Physical Review E 71, 065103 (2005).
Journal  |  PubMed  |  ArXiv 

Clustering and information in correlation based financial networks by JP Onnela, K Kaski, and J Kertész. European Physical Journal B 38, 353 (2004).
Journal  |  ArXiv 

Asset trees and asset graphs in financial markets by JP Onnela, A Chakraborti, K Kaski, J Kertész, and A Kanto. Physica Scripta 106, 48 (2003).
Journal  |  ArXiv 

Dynamics of market correlations: Taxonomy and portfolio analysis by JP Onnela, A Chakraborti, K Kaski, J Kertész, and A Kanto. Physical Review E 68, 056110 (2003).
Journal  |  PubMed  |  ArXiv 

Dynamic asset trees and Black Monday by JP Onnela, A Chakraborti, K Kaski, and J Kertész. Physica A 324/1, 247 (2003).
Journal   |  ArXiv | Data

Dynamic asset trees and portfolio analysis by JP Onnela, A Chakraborti, K Kaski, and J Kertész. European Physical Journal B 30, 285 (2002).
Journal  |  ArXiv | Data