George Kollios

George Kollios is a Professor and Chair of the Computer Science Department at Boston University. He holds a PhD in Computer Science from Polytechnic University, New York (2000), an M.Sc. from the same institution (1998), and a Diploma in Electrical and Computer Engineering from the National Technical University of Athens, Greece (1995). His research focuses on temporal/spatio-temporal indexing, database security, privacy-preserving technologies, and large-scale data management. His work is supported by NSF (including an NSF CAREER Award) and IARPA.

Education:

• PhD, Polytechnic University, New York (2000)
• M.Sc., Polytechnic University, New York (1998)
• Diploma in Electrical and Computer Engineering, National Technical University of Athens (1995)

Research Interests:
His expertise spans data mining, secure database systems, and privacy-preserving algorithms. He develops methods for efficient query processing on encrypted data, spatio-temporal data management, and scalable clustering techniques.

Recent Research Trends:
His publications emphasize differential privacy, secure encryption schemes, and large-scale graph algorithms. Notable contributions include optimizing privacy in database queries and evaluating encryption protocols for secure data access.

Awards:

• NSF CAREER Award

Grants & Collaborations:
Recipient of NSF-funded projects on access pattern privacy and IARPA-supported research. He collaborates on interdisciplinary initiatives to bridge theoretical foundations with practical security frameworks.