activity
20112022
most citedWeighted reciprocity in human communication networks

12 citations · 57 across the 13 of their papers we have counts for

collaborators

13 papers

cs.SI2022★ 3 cited

Modeling Memory Imprints Induced by Interactions in Social Networks

James Flamino, Ross DeVito, Omar Lizardo +1

Memory imprints of the significance of relationships are constantly evolving. They are boosted by social interactions among people involved in relationships, and decay between such…

cs.SI2021★ 4 cited

A Machine Learning Approach to Predicting Continuous Tie Strengths

James Flamino, Ross DeVito, Boleslaw K. Szymanski +1

Relationships between people constantly evolve, altering interpersonal behavior and defining social groups. Relationships between nodes in social networks can be represented by a t…

cs.CY2020★ 3 cited

Predicting Relationship Labels and Individual Personality Traits from Telecommunication History in Social Networks using Hawkes Processes

Mateusz Nurek, Radosław Michalski, Omar Lizardo +1

Mobile phones contain a wealth of private information, so we try to keep them secure. We provide large-scale evidence that the psychological profiles of individuals and their relat…

cs.SI2019★ 3 cited

The power of dynamic social networks to predict individuals' mental health

Shikang Liu, David Hachen, Omar Lizardo +3

Precision medicine has received attention both in and outside the clinic. We focus on the latter, by exploiting the relationship between individuals' social interactions and their…

cs.SI2019★ 4 cited

Heterogeneous network approach to predict individuals' mental health

Shikang Liu, Fatemeh Vahedian, David Hachen +4

Depression and anxiety are critical public health issues affecting millions of people around the world. To identify individuals who are vulnerable to depression and anxiety, predic…

cs.SI2018★ 10 cited

Social Networks through the Prism of Cognition

Radosław Michalski, Bolesław K. Szymański, Przemysław Kazienko +3

Human relations are driven by social events-people interact, exchange information, share knowledge and emotions, and gather news from mass media. These events leave traces in human…

cs.HC2018★ 1 cited

Long-term Compliance Habits: What Early Data Tells Us

Louis Faust, Priscilla Jiménez, David Hachen +3

The rise in popularity of physical activity trackers provides extensive opportunities for research on personal health, however, barriers such as compliance attrition can lead to su…

cs.SI2017★ 8 cited

Influence of Personal Preferences on Link Dynamics in Social Networks

Ashwin Bahulkar, Boleslaw K. Szymanski, Nitesh Chawla +2

We study a unique network dataset including periodic surveys and electronic logs of dyadic contacts via smartphones. The participants were a sample of freshmen entering university…

cs.SI2016

Analysis of Link Formation, Persistence and Dissolution in NetSense Data

Ashwin Bahulkar, Boleslaw K. Szymanski, Omar Lizardo +3

We study a unique behavioral network data set (based on periodic surveys and on electronic logs of dyadic contact via smartphones) collected at the University of Notre Dame.The par…

physics.soc-ph2016★ 8 cited

Gender Differences in Communication Behaviors, Spatial Proximity Patterns, and Mobility Habits

Yang Yang, Omar Lizardo, Dong Wang +4

The existence of gender differences in the structure and composition of social networks is a well established finding in the social and behavioral sciences, but researchers continu…

cs.SI2016★ 1 cited

Do the Young Live in a "Smaller World" Than the Old? Age-Specific Degrees of Separation in Human Communication

Yuxiao Dong, Omar Lizardo, Nitesh V. Chawla

In this paper, we investigate the phenomenon of "age-specific small worlds" using data from a large-scale mobile communication network approximating interaction patterns at societa…

cs.SI2011★ 12 cited

Weighted reciprocity in human communication networks

Cheng Wang, Anthony Strathman, Omar Lizardo +3

In this paper we define a metric for reciprocity---the degree of balance in a social relationship---appropriate for weighted social networks in order to investigate the distributio…

cs.SI2011

Predictors of short-term decay of cell phone contacts in a large scale communication network

Troy Raeder, Omar Lizardo, David Hachen +1

Under what conditions is an edge present in a social network at time t likely to decay or persist by some future time t + Delta(t)? Previous research addressing this issue suggests…