Search Results for author: Alireza Gharahighehi

Found 4 papers, 2 papers with code

HypeRS: Building a Hypergraph-driven ensemble Recommender System

1 code implementation22 Jun 2023 Alireza Gharahighehi, Celine Vens, Konstantinos Pliakos

In this paper, we propose a novel ensemble recommender system that combines predictions made by different models into a unified hypergraph ranking framework.

Recommendation Systems

An Adaptive Hybrid Active Learning Strategy with Free Ratings in Collaborative Filtering

no code implementations11 Mar 2022 Alireza Gharahighehi, Felipe Kenji Nakano, Celine Vens

This rating elicitation procedure enriches the interaction matrix with informative ratings and therefore assists the recommender system to better model the preferences of the users.

Active Learning Collaborative Filtering +3

Diversification in Session-based News Recommender Systems

1 code implementation5 Feb 2021 Alireza Gharahighehi, Celine Vens

In news websites most of users are anonymous and the only available data is sequences of items in anonymous sessions.

Collaborative Filtering News Recommendation +1

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