no code implementations • 2 Feb 2024 • Hossein A. Rahmani, Xi Wang, Mohammad Aliannejadi, Mohammadmehdi Naghiaei, Emine Yilmaz
Clarifying questions are an integral component of modern information retrieval systems, directly impacting user satisfaction and overall system performance.
no code implementations • 1 Feb 2024 • Hossein A. Rahmani, Mohammadmehdi Naghiaei, Yashar Deldjoo
Recommender systems are prominent examples of these machine learning (ML) systems that aid users in making decisions.
1 code implementation • 8 Sep 2023 • Saeedeh Karimi, Hossein A. Rahmani, Mohammadmehdi Naghiaei, Leila Safari
Recommender systems, while transformative in online user experiences, have raised concerns over potential provider-side fairness issues.
1 code implementation • 20 Jun 2023 • Ali Tourani, Hossein A. Rahmani, Mohammadmehdi Naghiaei, Yashar Deldjoo
Point-of-Interest (POI ) recommendation systems have gained popularity for their unique ability to suggest geographical destinations with the incorporation of contextual information such as time, location, and user-item interaction.
no code implementations • 22 Aug 2022 • Mohammadmehdi Naghiaei, Hossein A. Rahmani, Mohammad Aliannejadi, Nasim Sonboli
Calibration ensures that the distribution of recommended item categories is consistent with the user's historical data.
1 code implementation • 23 Jul 2022 • Hossein A. Rahmani, Mohammadmehdi Naghiaei, Ali Tourani, Yashar Deldjoo
Recommending appropriate travel destinations to consumers based on contextual information such as their check-in time and location is a primary objective of Point-of-Interest (POI) recommender systems.
1 code implementation • 17 May 2022 • Hossein A. Rahmani, Mohammadmehdi Naghiaei, Mahdi Dehghan, Mohammad Aliannejadi
In this paper, we re-produce a user-oriented fairness study and provide extensive experiments to analyze the dependency of their proposed method on various fairness and recommendation aspects, including the recommendation domain, nature of the base ranking model, and user grouping method.
1 code implementation • 17 Apr 2022 • Mohammadmehdi Naghiaei, Hossein A. Rahmani, Yashar Deldjoo
Recently, there has been a rising awareness that when machine learning (ML) algorithms are used to automate choices, they may treat/affect individuals unfairly, with legal, ethical, or economic consequences.
1 code implementation • 27 Feb 2022 • Mohammadmehdi Naghiaei, Hossein A. Rahmani, Mahdi Dehghan
Furthermore, our study shows a tradeoff between personalization and unfairness of popularity bias in recommendation algorithms for users belonging to the Diverse and Bestseller groups, that is, algorithms with high capability of personalization suffer from the unfairness of popularity bias.
1 code implementation • 27 Feb 2022 • Hossein A. Rahmani, Yashar Deldjoo, Ali Tourani, Mohammadmehdi Naghiaei
This paper studies the interplay between (i) the unfairness of active users, (ii) the unfairness of popular items, and (iii) the accuracy (personalization) of recommendation as three angles of our study triangle.