Nikos Vlassis
16 papers · 2005–2026 · 8 conferences · across top CS/AI conferences
Achievements
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π§ Keyword Pioneer π Interdisciplinary Bridge π Renaissance Researcher (5) πΊοΈ Taxonomy Completionist (11) π£ Hot Topic Early Bird
π
Academic Marathon
(19)
π§
Keyword Pioneer
π£
Hot Topic Early Bird
π
Keyword Trendsetter Combo
(5)
π
Keyword Champion
π±
Topic Pioneer
π
Century Club
(15)
π
Trend Setter
ποΈ
Keyword Collector
(68)
π
Conference Pioneer
Conferences
NIPS (4)
ICML (3)
IJCAI (3)
JMLR (2)
AAAI (1)
ACL (1)
AISTATS (1)
RSS (1)
Top co-authors
Keywords
off-policy evaluation
(4)
reinforcement learning
(3)
slate recommendation
(2)
risk estimation
(2)
online learning
(2)
control variate
(2)
bayesian nonparametrics
(1)
clustering
(1)
dirichlet process
(1)
convex optimization
(1)
variational bayesian
(1)
accelerated optimization
(1)
policy learning
(1)
posterior sampling
(1)
variational inference
(1)
signal processing
(1)
tensor decomposition
(1)
policy optimization
(1)
computational efficiency
(1)
distributional reinforcement learning
(1)
Papers
Lizard: An Efficient Linearization Framework for Large Language Models
ACL 2026
Distributional Off-Policy Evaluation for Slate Recommendations
AAAI 2024
Control Variates for Slate Off-Policy Evaluation
NIPS 2021
On the Design of Estimators for Bandit Off-Policy Evaluation
ICML 2019
Optimizing over a Restricted Policy Class in MDPs
AISTATS 2019
More Efficient Off-Policy Evaluation through Regularized Targeted Learning
ICML 2019
Marginal Posterior Sampling for Slate Bandits
IJCAI 2019
Scalar Posterior Sampling with Applications
NIPS 2018
Matching via Dimensionality Reduction for Estimation of Treatment Effects in Digital Marketing Campaigns
IJCAI 2016
Practical Linear Models for Large-Scale One-Class Collaborative Filtering
IJCAI 2016
A posteriori error bounds for joint matrix decomposition problems
NIPS 2016
Tensor Decomposition via Joint Matrix Schur Decomposition
ICML 2016
Collaborative Multiagent Reinforcement Learning by Payoff Propagation
JMLR 2006
Accelerated Variational Dirichlet Process Mixtures
NIPS 2006
Point-Based Value Iteration for Continuous POMDPs
JMLR 2006
Robot Planning in Partially Observable Continuous Domains
RSS 2005