Social Media

Ke ZhangKonstantinos Pelechrinis, and Theodoros Lappas
Analyzing and Modeling Special Offer Campaigns in Location-based Social Networks.
ICWSM 2015 – (Acceptance Rate: 19%) 

Featured in Pitt NewsPittsburgh Post GazetteCommuniations of the ACM,
Pittsburgh’s NPR News StationRadio PABloomberg Business,
Pitt NewsGeoMarketingWorld News.

Aris Gionis, Theodoros LappasKonstantinos Pelechrinis, and Evimaria Terzi
Customized Tour Recommendations in Urban Areas.
WSDM 2014 – (Acceptance Rate: 18%)

Dimitrios KotziasTheodoros Lappas and Dimitrios Gunopulos.
Addressing the Sparsity of Location Information on Twitter.
EDBT/ICDT Workshop, 2014.

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K. Zhang, Qiuye Jin, K. Pelechrinis and Theodoros Lappas.
On the Importance of Temporal Dynamics in Modeling Urban Activity.
ACM SIGKDD Workshop on Urban Computing, Chicago, IL, August 2013

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Theodoros LappasKunal Punera and Tamas Sarlos
Mining Tags Using Social Endorsement Networks.
SIGIR 2011 – (Acceptance Rate: 20%)

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Theodoros LappasEvimaria TerziDimitrios Gunopulos and Heikki Mannila
Finding Effectors in Social Networks.
SIGKDD 2010 – (Acceptance Rate:15%)

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Theodoros Lappas and Dimitrios Gunopulos
Interactive Recommendations in Social Endorsement Networks.
RECSYS 2010 – (Acceptance Rate 19%) 

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Theodoros LappasK. PelechrinisM.Faloutsos and S.V.Krishnamurthy
A Simple Conceptual Generator for the Internet Graph
LANMAN 2010 (Invited Paper)

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