Experience
Consultant — HPC & Algorithms
- Deliver GPU‑accelerated simulations and parallel algorithm design for industry R&D teams.
- Built a fast glass particle simulation for Şişecam to compute quality metrics, improving inspection workflows and enabling rapid experimentation.
- Advise on HPC architecture, performance profiling, and scaling on multi‑GPU and distributed systems.
Post‑Doctoral Researcher — Sabancı University
- Designed multi‑GPU and distributed graph processing algorithms for sparse, billion‑edge networks.
- Co‑authored IEEE and Elsevier publications on GPU‑accelerated influence maximization.
Analytics Manager — Akbank
- Developed behavioral analytics for deposit interest rate quotes and rotating‑loan retention using SAS/R.
- Delivered tools that informed data‑driven customer retention policies.
Doctoral Researcher — Sabancı University
- Built big‑data pipelines and visualization for partners in banking, finance, insurance, and regulation.
- Developed algorithms and software for large‑scale network analysis and fraud/trend detection.
Education
Ph.D., Computer Science & Engineering — Sabancı University
- Thesis: Ultra‑Fast Influence Maximization with Fused Sampling and Sketches
- Areas: High‑Performance Computing, Graph Algorithms
M.S., Computer Science & Engineering — Sabancı University
- Thesis: Analysis of Twitter To Identify Trends and Influentials with a Case Study on Turkish Twitter Users
- Areas: Sentiment Analysis, Deep Learning, Network Analysis
B.S., Computer Science & Engineering — Sabancı University
- Thesis: Parallel Implementation of Gentry’s Fully Homomorphic Encryption Scheme
- Areas: Cryptography, Parallel Programming
Selected Publications
- Göktürk, G., Kaya, K., “Difuser: A distributed sketch‑based influence maximization algorithm for GPUs (pending editorial),” IEEE Transactions on Parallel and Distributed Systems, 2024.
- Göktürk, G., Kaya, K., “Fast and error‑adaptive influence maximization based on count‑distinct sketches,” Information Sciences, 2024.
- Göktürk, G., Kaya, K., “Fast and high‑quality influence maximization on multiple GPUs,” in Proceedings of the 36th IEEE IPDPS, Lyon, France, May 2022.
- Göktürk, G., Kaya, K., “Boosting parallel influence‑maximization kernels for undirected networks with fusing and vectorization,” IEEE TPDS, 2021.
- Alpan, E., Göktürk, G., Balcisoy, S., “Insurance fraud detection: A network modeling and behavioral analytics approach,” ICCSS, 2017.
- Gökçe, O. Z., Hatipoğlu, E., Göktürk, G., et al., “Twitter and politics: Identifying Turkish opinion leaders in new social media,” Turkish Studies, 2014.