activity
20192023
most citedElliot: a Comprehensive and Rigorous Framework for Reproducible Recommender Systems Evaluation

102 citations · 237 across the 11 of their papers we have counts for

collaborators

11 papers

cs.IR2023

On Popularity Bias of Multimodal-aware Recommender Systems: a Modalities-driven Analysis

Daniele Malitesta, Giandomenico Cornacchia, Claudio Pomo +1

Multimodal-aware recommender systems (MRSs) exploit multimodal content (e.g., product images or descriptions) as items' side information to improve recommendation accuracy. While m…

cs.IR2023★ 2 cited

A Topology-aware Analysis of Graph Collaborative Filtering

Daniele Malitesta, Claudio Pomo, Vito Walter Anelli +3

The successful integration of graph neural networks into recommender systems (RSs) has led to a novel paradigm in collaborative filtering (CF), graph collaborative filtering (graph…

cs.IR2023★ 16 cited

Challenging the Myth of Graph Collaborative Filtering: a Reasoned and Reproducibility-driven Analysis

Vito Walter Anelli, Daniele Malitesta, Claudio Pomo +3

The success of graph neural network-based models (GNNs) has significantly advanced recommender systems by effectively modeling users and items as a bipartite, undirected graph. How…

cs.IR2023★ 2 cited

Ducho: A Unified Framework for the Extraction of Multimodal Features in Recommendation

Daniele Malitesta, Giuseppe Gassi, Claudio Pomo +1

In multimodal-aware recommendation, the extraction of meaningful multimodal features is at the basis of high-quality recommendations. Generally, each recommendation framework imple…

cs.IR2023

EvalRS 2023. Well-Rounded Recommender Systems For Real-World Deployments

Federico Bianchi, Patrick John Chia, Ciro Greco +5

EvalRS aims to bring together practitioners from industry and academia to foster a debate on rounded evaluation of recommender systems, with a focus on real-world impact across a m…

cs.IR2022★ 51 cited

Top-N Recommendation Algorithms: A Quest for the State-of-the-Art

Vito Walter Anelli, Alejandro Bellogín, Tommaso Di Noia +2

Research on recommender systems algorithms, like other areas of applied machine learning, is largely dominated by efforts to improve the state-of-the-art, typically in terms of acc…

cs.AI2021

Conversational Recommendation: Theoretical Model and Complexity Analysis

Tommaso Di Noia, Francesco Donini, Dietmar Jannach +2

Recommender systems are software applications that help users find items of interest in situations of information overload in a personalized way, using knowledge about the needs an…

cs.IR2021★ 2 cited

Adherence and Constancy in LIME-RS Explanations for Recommendation

Vito Walter Anelli, Alejandro Bellogín, Tommaso Di Noia +3

Explainable Recommendation has attracted a lot of attention due to a renewed interest in explainable artificial intelligence. In particular, post-hoc approaches have proved to be t…

cs.IR2021★ 37 cited

Reenvisioning Collaborative Filtering vs Matrix Factorization

Vito Walter Anelli, Alejandro Bellogín, Tommaso Di Noia +1

Collaborative filtering models based on matrix factorization and learned similarities using Artificial Neural Networks (ANNs) have gained significant attention in recent years. Thi…

cs.IR2021★ 102 cited

Elliot: a Comprehensive and Rigorous Framework for Reproducible Recommender Systems Evaluation

Vito Walter Anelli, Alejandro Bellogín, Antonio Ferrara +5

Recommender Systems have shown to be an effective way to alleviate the over-choice problem and provide accurate and tailored recommendations. However, the impressive number of prop…

cs.IR2019★ 25 cited

On the discriminative power of Hyper-parameters in Cross-Validation and how to choose them

Vito Walter Anelli, Tommaso Di Noia, Eugenio Di Sciascio +2

Hyper-parameters tuning is a crucial task to make a model perform at its best. However, despite the well-established methodologies, some aspects of the tuning remain unexplored. As…