Subqueries in distributed asynchronous graph queries
Trigonakis, V., Ragot, A., Ez-Zainabi, Y., Faltin, T., Hong, S. and Chafi, H., Oracle International Corp, 2025. Subqueries in distributed asynchronous graph queries. U.S. Patent 12,197,436.
CV
Education
- Ph.D in Version Control Theory, GitHub University, 2018 (expected)
- M.S. in Jekyll, GitHub University, 2014
- B.S. in GitHub, GitHub University, 2012
Work experience
- Spring 2024: Academic Pages Collaborator
- GitHub University
- Duties includes: Updates and improvements to template
- Supervisor: The Users
- Fall 2015: Research Assistant
- GitHub University
- Duties included: Merging pull requests
- Supervisor: Professor Hub
- Summer 2015: Research Assistant
- GitHub University
- Duties included: Tagging issues
- Supervisor: Professor Git
Skills
- Skill 1
- Skill 2
- Sub-skill 2.1
- Sub-skill 2.2
- Sub-skill 2.3
- Skill 3
Publications
Offloading graph components to persistent storage for reducing resident memory in distributed graph processing
Delamare, A., Bunjaku, I., Trigonakis, V., Iorgulescu, C., Faltin, T., Hong, S. and Chafi, H., Oracle International Corp, 2024. Offloading graph components to persistent storage for reducing resident memory in distributed graph processing. U.S. Patent 12,174,835.
Duplication elimination in depth based searches for distributed systems
Faltin, T., Trigonakis, V., Lozi, J.P., Hong, S. and Chafi, H., Oracle International Corp, 2024. Duplication elimination in depth based searches for distributed systems. U.S. Patent 12,001,425.
Concurrency and cancellation in distributed asynchronous graph processing
Trigonakis, V., Iorgulescu, C., Faltin, T., Hong, S. and Chafi, H., Oracle International Corp, 2024. Concurrency and cancellation in distributed asynchronous graph processing. U.S. Patent 11,947,539.
Distributed Asynchronous Regular Path Queries (RPQs) on Graphs
Tomáš Faltín, Vasileios Trigonakis, Ayoub Berdai, Luigi Fusco, Călin Iorgulescu, et al.. Distributed Asynchronous Regular Path Queries (RPQs) on Graphs. Middleware 2023: 24th International Middleware Conference, Dec 2023, Bologna, Italy, Italy. pp.35-41, ⟨10.1145/3626562.3626833⟩. ⟨hal-04355309⟩
Better Distributed Graph Query Planning With Scouting Queries
Tomáš Faltín, Vasileios Trigonakis, Ayoub Berdai, Luigi Fusco, Călin Iorgulescu, Sungpack Hong, and Hassan Chafi. 2023. Better Distributed Graph Query Planning With Scouting Queries. In Proceedings of the 6th Joint Workshop on Graph Data Management Experiences & Systems (GRADES) and Network Data Analytics (NDA) (GRADES-NDA '23). Association for Computing Machinery, New York, NY, USA, Article 3, 1–9. https://doi.org/10.1145/3594778.3594884
Dynamic asynchronous traversals for distributed graph queries
Trigonakis, V., Faltin, T., Lozi, J.P., Haprian, V.I., Hong, S. and Chafi, H., Oracle International Corp, 2023. Dynamic asynchronous traversals for distributed graph queries. U.S. Patent 11,675,785.
Regular path queries (RPQS) for distributed graphs
Tonkovic, P., Trigonakis, V., Faltin, T., Hong, S. and Chafi, H., Oracle International Corp, 2022. Regular path queries (RPQS) for distributed graphs. U.S. Patent 11,456,946.
Space-efficient methodology for representing label information in large graph data for fast distributed graph query
Delamare, A., Trigonakis, V., Haprian, V.I., Van Rest, O., Hong, S., Chafi, H., Faltin, T. and Lozi, J.P., Oracle International Corp, 2021. Space-efficient methodology for representing label information in large graph data for fast distributed graph query. U.S. Patent 11,074,260.
aDFS: An Almost Depth-First-Search Distributed Graph-Querying System
Trigonakis, V., Lozi, J.P., Faltín, T., Roth, N.P., Psaroudakis, I., Delamare, A., Haprian, V., Iorgulescu, C., Koupy, P., Lee, J. and Hong, S., 2021. aDFS: An Almost Depth-First-Search Distributed Graph-Querying System. In 2021 USENIX Annual Technical Conference (USENIX ATC 21) (pp. 209-224).
BDgen: A Universal Big Data Generator
Tomáš Faltín, Michal Hanzeli, Vojtěch Šípek, Jan Škvařil, Dušan Variš, and Irena Holubová Mlýnková. 2017. BDgen: A Universal Big Data Generator. In Proceedings of the 21st International Database Engineering & Applications Symposium (IDEAS '17). Association for Computing Machinery, New York, NY, USA, 200–208. https://doi.org/10.1145/3105831.3105847
Talks
Conference Proceeding talk 3 on Relevant Topic in Your Field
Conference proceedings talk at Testing Institute of America 2014 Annual Conference, Los Angeles, CA, USA
Talk 2 on Relevant Topic in Your Field
Talk at London School of Testing, London, UK
Tutorial 1 on Relevant Topic in Your Field
Tutorial at UC-Berkeley Institute for Testing Science, Berkeley, CA, USA
Talk 1 on Relevant Topic in Your Field
Talk at UC San Francisco, Department of Testing, San Francisco, CA, USA
Teaching
Service and leadership
- Currently signed in to 43 different slack teams