HAMSI: Distributed Incremental Optimization Algorithm Using Quadratic Approximations for Partially Separable Problems. - Umut Simsekli; Hazal Koptagel; Figen Öztoprak; S. Ilker Birbil; Ali Taylan Cemgil (CoRR, 2015)

Sales Prediction using Matrix and Tensor Factorization Models. - Hazal Koptagel; Didem C. Civelek; Bülent Dal (SIU, 2019)

A framework for parallel second order incremental optimization algorithms for solving partially separable problems. - Kamer Kaya; Figen Öztoprak; S. Ilker Birbil; A. Taylan Cemgil; Umut Simsekli; Nurdan Kuru; Hazal Koptagel; M. Kaan Öztürk (Comput. Optim. Appl., 2019)

Multiple Importance Sampling ELBO and Deep Ensembles of Variational Approximations. - Oskar Kviman; Harald Melin; Hazal Koptagel; Victor Elvira; Jens Lagergren (AISTATS, 2022)

VaiPhy: a Variational Inference Based Algorithm for Phylogeny. - Hazal Koptagel; Oskar Kviman; Harald Melin; Negar Safinianaini; Jens Lagergren (NeurIPS, 2022)

Statistical Distance Based Deterministic Offspring Selection in SMC Methods. - Oskar Kviman; Hazal Koptagel; Harald Melin; Jens Lagergren (CoRR, 2022)

Variational methods for phylogeny and single-cell genomics. - Hazal Koptagel (2023)

CopyMix: Mixture model based single-cell clustering and copy number profiling using variational inference. - Negar Safinianaini; Camila P. E. de Souza; Andrew Roth; Hazal Koptagel; Hosein Toosi; Jens Lagergren (Comput. Biol. Chem., 2024)

Scuphr: A probabilistic framework for cell lineage tree reconstruction. - Hazal Koptagel; Seong-Hwan Jun; Joanna Hård; Jens Lagergren (PLoS Comput. Biol., 2024)