Nikolaos Tziavelis (Nikos)
I am a PhD candidate at Northeastern University and part of the DATA Lab. I am very lucky to be advised by Prof. Mirek Riedewald and Prof. Wolfgang Gatterbauer.
I work on problems that span both theoretical and practical aspects of data systems, with the goal of extending them with improved algorithms that achieve non-trivial guarantees. A lot of my recent work has focused on query optimization, and in particular, avoiding expensive many-to-many joins.
My research is generously supported by a Google PhD fellowship (Structured Data and Database Management area).
I am in the academic job market this year! Get in touch if you have any opportunities to discuss.
Publications
VLDB'21
Experiments reproduced by PVLDB (Reproducibility Site)
[PDF]
[Arxiv]
[Video]
[Project Webpage]
[Code]
[Reproducibility Instructions]
VLDB'20
Experiments reproduced by PVLDB (Reproducibility Site)
[PDF]
[Arxiv]
[Video]
[Project Webpage]
[Code]
[Reproducibility Instructions]
IEEE VIS 2020
[PDF]
[Project Webpage]
[Video]
Misc
I have served on the Program Committee of SIGMOD'24, VLDB'23, ICDE'22, and co-organized Northeast Database Day 2023.During Summer'23, I was the instructor of record for CS 6240 (Large-Scale Parallel Data Processing).
I organized the DATA Lab seminar during the Fall'22 semester.