Nicholas Ampazis

Publication Activity (10 Years)

Years Active: 2010-2024
Publications (10 Years): 6

Top Topics

Recommender Systems

Consumer Market

Constrained Optimization

Top Venues

Intell. Decis. Technol.

DepCoS-RELCOMEX

Publications

Nicholas Ampazis
Improving RAG Quality for Large Language Models with Topic-Enhanced Reranking. AIAI (2) (2024)
Flora Sakketou, Nicholas Ampazis
A constrained optimization algorithm for learning GloVe embeddings with semantic lexicons. Knowl. Based Syst. 195 (2020)
Nicholas Ampazis, Theodoros Emmanouilidis, Flora Sakketou
A Matrix Factorization Algorithm for Efficient Recommendations in Social Rating Networks Using Constrained Optimization. Mach. Learn. Knowl. Extr. 1 (3) (2019)
Flora Sakketou, Nicholas Ampazis
On the Invariance of the SELU Activation Function on Algorithm and Hyperparameter Selection in Neural Network Recommenders. AIAI (2019)
Flora Sakketou, Nicholas Ampazis
A Hessian Free Neural Networks Training Algorithm with Curvature Scaled Adaptive Momentum. LION (2019)
Flora Sakketou, Nicholas Ampazis, Dimosthenis Drivaliaris
Generating Recommendations by Graph Traversal in Social Rating Networks. SETN (2018)
Nicholas Ampazis
Forecasting Demand in Supply Chain Using Machine Learning Algorithms. Int. J. Artif. Life Res. 5 (1) (2015)
Tao Ye, Danny Bickson, Nicholas Ampazis, András A. Benczúr
LSRS'15: Workshop on Large-Scale Recommender Systems. RecSys (2015)
Nicholas Ampazis, Theodoros Emmanouilidis
FALCON: A matrix factorization framework for recommender systems using constrained optimization. Intell. Decis. Technol. 9 (3) (2015)
Ioannis G. Sideratos, Agapios N. Platis, Vasilis P. Koutras, Nicholas Ampazis
Reliability Analysis of a Two-Stage Goel-Okumoto and Yamada S-shaped Model. DepCoS-RELCOMEX (2014)
Nicholas Ampazis, Theodoros Emmanouilidis
Exploring Semantic Features for Producing Top-N Recommendation Lists from Binary User Feedback. SemWebEval@ESWC (2014)
Nicholas Ampazis, Stavros J. Perantonis
An Efficient Constrained Learning Algorithm for Stable 2D IIR Filter Factorization. Adv. Artif. Neural Syst. 2013 (2013)
Nicholas Ampazis
Large Scale Problem Solving with Neural Networks: The Netflix Prize Case. ICANN (3) (2010)