Journal Publications

Theodoros Lappas
Mining Career Paths from Large Resume Databases: Evidence from IT Professionals
ACM Transactions on Knowledge Discovery from Data (forthcoming), 2019

Marios Kokkodis, Theodoros Lappas and Sam Ransbotham
From Lurkers to Workers: Predicting Voluntary Contribution and Community Welfare
Information Systems Research (forthcoming), 2019.

Yue Han, Theodoros Lappas and Gaurav Sabnis
The Importance of Interactions between Content Characteristics and Creator Characteristics for Studying Virality in Social Media
Information Systems Research, 2019.

Marios Kokkodis and Theodoros Lappas
Your Hometown Matters: Popularity-Difference Bias in Online Reputation Platforms
Information Systems Research, 2019.

S. Bahargam, B. Golshan, T. Lappas, and E. Terzi
 A Team-Formation Algorithm for Faultline Minimization
Expert Systems With Applications

A. Nelakurthi, A. Pinto, C. Cook, L. Jones, M. Boyle, J. Ye, T. Lappas, and J. He
Should Patients with Diabetes Be Encouraged to Integrate Social Media into Their Care Plan?
Future Science OA

Di Zhu, Theodoros Lappas, and Julie Zhang
Unsupervised Tip-Mining from Customer Reviews
Decision Support Systems

Konstantinos Pelechrinis, Christos Zacharias, Marios Kokkodis, Theodoros Lappas
Economic Impact and Policy Implications from Urban Shared Transportation:
The Case of Pittsburgh’s Shared Bike System

PLoS One

Apostolos Filippas, Theodoros Lappas
Strength in Numbers: Using Big Data to Simplify Sentiment Classifi cation
Big Data

Georgios ValkanaFs, Theodoros Lappas, and Dimitrios Gunopulos
Mining Competitors from Large Unstructured Datasets
IEEE Transactions on Knowledge and Data Engineering

Theodoros Lappas, Gaurav Sabnis, and Georgios Valkanas
The Impact of Fake Reviews on Online Visibility: A Vulnerability Assessment of the Hotel Industry.
Information Systems Research

* Runner Up for best ISR paper in 2016.

Video Summary

NBC New York

NBC Bay Area

INFORMS Journal Highlights,  November 2016

Article @Stevens News

Serhan Kotiloglu, Theodoros Lappas , Kostantinos Pelechrinis, Panagiotis Repoussis
Personalized multi-period tour recommendations
Tourism Management.

Ke Zhang, Theodoros Lappas , Kostantinos Pelechrinis
Effects of Promotions on Location-Based Social Media: Evidence from Foursquare
International Journal of Electronic Commerce.

Post Gazzette

Pitt News

Wesa FM

Pei Yang, Hongxia Yang, Haoda Fu, Dawei Zhou, Jieping Ye, Theodoros Lappas, and Jingrui He
Jointly Modeling Label and Feature Heterogeneity in Medical Informatics
ACM Transactions on Knowledge Discovery from Data, 2015

Dimitrios Kotzias, Theodoros Lappas, Dimitrios Gunopulos
Home is Where your Friends Are: Utilizing the Social Graph to Locate Twitter Users in a City.
Elsevier’s Information Systems, 2015.