E-Commerce

Ke Zhang, Konstantinos Pelechrinis, and Theodoros Lappas
Analyzing and Modeling Special Offer Campaigns in Location-based Social Networks.
ICWSM 2015 – (Acceptance Rate: 19%) 
Featured in Pitt News, Pittsburgh Post Gazette, Communiations of the ACM,
Pittsburgh’s NPR News Station, Radio PA, Bloomberg Business,
Pitt News, GeoMarketing, W

Theodoros Lappas, George Valkanas, and Dimitrios Gunopulos
Efficient and Domain-Invariant Competitor Mining 
SIGKDD 2012 – (Acceptance Rate:18%)
Slides  Bibtex

Theodoros Lappas, and Evimaria Terzi
Daily-Deal Selection for Revenue Maximization 
CIKM 2012 – (Acceptance Rate: 13%)
Bibtex