Ioannis (Yannis) Demertzis - PhD Candidate

Ioannis (Yannis)


PhD Student

Electrical and Computer Engineering

University of Maryland College Park

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3409 A.V. Williams Building

University of Maryland

College Park, MD 20740

About me

I am a first year PhD student in the Electrical and Computer Engineering at the University of Maryland, College Park. I am a member of the Maryland Cybersecurity Center (MC2), and I work under the supervision of Charalampos Papamanthou. My research focus is on secure databases and applied cryptography. I received my Electronic & Computer Engineering Diploma and M.Sc at the Technical University of Crete in Chania, under the supervision of Professor Minos Garofalakis.



University of Maryland College Park

September 2015 - Present

Electrical & Computer Engineering

Master of Science

Technical University of Crete

October 2013 - July 2015

GPA: 10.0/10.0

Electronic & Computer Engineering

Diploma (5-year)

Technical University of Crete

September 2008 - October 2013

GPA: 8.67/10.0

Electronic & Computer Engineering

Work Experience

Graduate Research Assistant

University of Maryland

September 2015 - present

Conducting research on cloud security and applied cryptography.

Mountain View Research Intern

VISA Research, Palo Alto, USA

June 2017 - August 2017

Conducting research on ORAM-based searchable encryption for databases.
Mentors: Shashank Agrawal and Payman Mohassel.

Graduate Research Assistant

Technical University of Crete

October 2013 - August 2015

Undergraduate Research Assistant

Technical University of Crete

June 2013 - September 2013

Teaching Assistant

Technical University of Crete

September 2014 - January 2015


Mountain View Searchable Encryption Revisited: More Efficient Constructions Based on Compression.

I. Demertzis,R. Talapatra, C. Papamanthou

(under submission)

Mountain View Practical Private Range Search In Depth

I. Demertzis,S. Papadopoulos, O.Papapetrou, A. Deligiannakis, M. Garofalakis, C. Papamanthou

ACM Transactions on Database Systems (TODS) (to appear) 2018.
[** Special Issue on the Best Papers of SIGMOD 2016 **]

Mountain View Searchable Encryption with Optimal Locality: Achieving Sublogarithmic
Read Efficiency [paper]

I. Demertzis, D.Papadopoulos, C.Papamanthou

International Association for Cryptologic Research (IACR) 2017.

Fast Searchable Encryption with Tunable Locality [paper] [slides] [poster]

I. Demertzis, C.Papamanthou

Proceedings of ACM SIGMOD 2017, Chicago, Illinois, May 2017.

Practical Private Range Search Revisited [paper] [slides] [poster]

I. Demertzis, S. Papadopoulos, O. Papapetrou , A. Deligiannakis, M. Garofalakis

Proceedings of ACM SIGMOD 2016, San Francisco, California, June 2016.

Graduate Coursework

University of Maryland, College Park

Computer Security, Prof. Tudor Dumitras

Database Management Systems, Prof. Amol Deshpande

Introduction to Cryptography, Prof. Jonathan Katz

Mathematical Foundations for Computer Engineering, Prof. Uzi Vishkin

Parallel Algorithms, Prof. Uzi Vishkin

Compilers and Optimization, Prof. Rajeev Barua

Technical University of Crete

Processing and Analyzing Big Data, Prof. Minos Garofalakis (audit)

Computational Geometry, Assistant Prof. Vasilis Samoladas

Reconfigurable Computing Systems, Prof. Apostolos Dollas

Machine Learning, Assoc. Prof. Michail G. Lagoudakis

Honors & Awards

Outstanding Academic Performance Scholarship

Gerondelis Foundation

June 2016

Award of Academic Excellence (Grant $5,000).

Clark School of Engineering

Distinguished Graduate Fellowship

Department of Electrical and Computer Engineering, University of Maryland (UMD)

September 2015 - Present

Fellowship for doctoral studies

Ecole Polytechnique Fédérale de Lausanne (EPFL).

March 2015

Award of Academic Excellence

Limmat Stiftung

November 2013

Award of Academic Excellence: For graduating in 2013 with the 2nd highest GPA. (Grant 8,000 EUR).