At BU I am a member of the
Data Management Lab@BU.
My research interests are in the area of algorithmic data mining
on (social) network analysis and recommendation systems.
I joined BU as an assistant professor in 2009.
From 2007 to 2009, I was a Research Staff Member at
IBM Almaden Research
Till 2007 I was with Helsinki Institute for Information
In December 2006, I defended
this. I was
fortunate to have Heikki Mannila as
A long version of my CV is here.
My Google Scholar page is
Description of research highlights can be found
Awards and Funding
My research is funded by the following sources:
Microsoft Faculty Fellowship (2010)
NSF award on User-centric privacy control for
collaborative social media (2010-2014)
NSF award on Entity Selection and
Ranking for Data Mining Applications (2012-2015)
NSF CAREER award on On identifying collections with complex objectives (2013-2018)
NSF award on Managing and
Mining Uncertain Graphs (2013-2016)
Gifts from Yahoo! and Google.
I am working with the following post-docs and students:
Esther Galbrun (post-doc)
Dora Erdos (PhD student)
Behzad Golshan (PhD student)
Charalampos Mavroforakis (PhD student)
Natali Ruchansky (PhD student)
Theodoros Lappas (post-doc, now an Assistant Professor at
Howe School of Technology Management at Stevens Institute of Technology)
George Brova (MA/BA student, now a PhD
student at UIUC)
In summer 2014 Steve Homer and I are teaching a course on Algorithms for Big Data.
In the past, I taught Combinatorial Structures (CS-131)
( Combinatorial Structures Spring 2013,
and Data Mining (CS-565)
In Spring 2014 I taught a seminar
on Data analysis for Small and Big Data.
In Spring 2010 I taught a seminar on advanced topics in data
mining with special focus on social networks.
Recent PC Memberships
PKDD 2014 Nectar Track co-chair
ICDM 2014, PKDD 2014, KDD 2014 (Senior PC), WWW 2014,
AAAI 2014, SDM 2014, ICDE 2014, VLDB 2014, WSDM 2014
KDD 2013 (Senior PC), SIGMOD 2013, WWW 2013, SDM 2013, ICDM 2013, VLDB
CIKM 2013, PKDD 2013, WSDM 2013, ICDE 2013, EDBT 2013
ICDM PhD Forum 2012
Orgnanizer for DBSocial 2012
CIKM 2012, ECML/PKDD 2012, ICDM 2012, KDD 2012, EC 2012, WWW 2012, EDBT
ICDM 2012, ICDE 2012, SDM 2012
External Review Committee for PODS 2012
ICDM 2011 Tutorial co-chair
SDM 2011 Workshop co-chair
IDA 2011, PKDD 2011 (Senior PC) SIGKDD 2011 (Senior PC), ICDE 2011, SIGMOD 2011, WWW 2011, CIKM 2011
ECML/PKDD 2010(Area Chair),
KDD 2010, VLDB
2010, CIKM 2010,
SDM 2010 (Senior PC),
VLDB 2009, ICDE 2009, WWW(Posters) 2009, PKDD 2009,
PKDD 2008, ICDM 2008,DaWak 2008, KDD 2007, DaWak 2007,
DaWak 2006, ACSAC 2006, PKDD 2005, EDBT 2004