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- short-paperJune 2024
Bringing Equity to Coarse and Fine-Grained Provider Groups in Recommender Systems
UMAP '24: Proceedings of the 32nd ACM Conference on User Modeling, Adaptation and PersonalizationJune 2024, Pages 18–23https://doi.org/10.1145/3627043.3659552Provider fairness aims at regulating the recommendation lists, so that the items of different providers/provider groups are suggested by respecting notions of equity. When group fairness is among the goals of a system, a common way is to use coarse ...
- ArticleMarch 2024
MOReGIn: Multi-Objective Recommendation at the Global and Individual Levels
AbstractMulti-Objective Recommender Systems (MORSs) emerged as a paradigm to guarantee multiple (often conflicting) goals. Besides accuracy, a MORS can operate at the global level, where additional beyond-accuracy goals are met for the system as a whole, ...
- research-articleAugust 2021
Integrating Collaboration and Leadership in Conversational Group Recommender Systems
ACM Transactions on Information Systems (TOIS), Volume 39, Issue 4Article No.: 41, Pages 1–32https://doi.org/10.1145/3462759Recent observational studies highlight the importance of considering the interactions between users in the group recommendation process, but to date their integration has been marginal. In this article, we propose a collaborative model based on the social ...
- research-articleFebruary 2020
Data-driven decision making in critique-based recommenders: from a critique to social media data
Journal of Intelligent Information Systems (JIIS), Volume 54, Issue 1Feb 2020, Pages 23–44https://doi.org/10.1007/s10844-018-0520-9AbstractIn the last decade there have been a large number of proposals in the field of Critique-based Recommenders. Critique-based recommenders are data-driven in their nature since they use a conversational cyclical recommendation process to elicit user ...
- research-articleApril 2018
EventAware
Pattern Recognition Letters (PTRL), Volume 105, Issue CApril 2018, Pages 121–134https://doi.org/10.1016/j.patrec.2017.07.003EventAware is the first Mobile Tag-Based Recommender for Events.The intuitive user interface has an attractive design to work comfortably and agile.The user profile is automatically modeled with tags from a LinkedIn account.Items are described with tags ...
- research-articleFebruary 2016
Evaluation of semantic similarity metrics applied to the automatic retrieval of medical documents
Expert Systems with Applications: An International Journal (EXWA), Volume 44, Issue CFebruary 2016, Pages 386–399https://doi.org/10.1016/j.eswa.2015.09.028We assess the implication of the correct parameterization of the UMLS Metathesaurus.We propose a retrieval system for medical documents represented by UMLS concepts.We assess the main semantic similarity metrics in a context based on medical ...
- short-paperSeptember 2015
Supporting Users Experience in a 3D eCommerce Environment
Interacción '15: Proceedings of the XVI International Conference on Human Computer InteractionSeptember 2015, Article No.: 45, Pages 1–4https://doi.org/10.1145/2829875.28299143D eCommerce spaces may often be highly populated spaces, with a huge number of users, areas and selling products. Therefore, their design should address different strategies to guide and assist users to locate and to be aware of the most interesting ...
- articleMay 2015
A Web-Based Environment to Support Online and Collaborative Group Recommendation Scenarios
Applied Artificial Intelligence (APAI), Volume 29, Issue 52015, Pages 480–499https://doi.org/10.1080/08839514.2015.1026661Today there are many recommendation scenarios that involve groups of interrelated users intending to participate in a group activity. Though there have been attempts to establish group recommendation scenarios, most of them focus on off-line ...
- research-articleFebruary 2015
Experimental assessment of the adequacy of Bluetooth for opportunistic networks
Ad Hoc Networks (ADHN), Volume 25, Issue PBFebruary 2015, Pages 444–453https://doi.org/10.1016/j.adhoc.2014.08.007Bluetooth ranks among the most widespread technologies in current mobile devices. One of the most promising application fields of Bluetooth is that of the so-called opportunistic networks. In order to assess the validity of Bluetooth for those scenarios ...
- research-articleSeptember 2014
An approach to improve user experience with conversational recommenders through a 3D virtual environment
Interacción '14: Proceedings of the XV International Conference on Human Computer InteractionSeptember 2014, Article No.: 66, Pages 1–4https://doi.org/10.1145/2662253.2662319Nowadays e-commerce websites offer users such a huge amount of products, which far from facilitating the buying process, actually make it more difficult. Hence, recommenders, which learn from users' preferences, are consolidating as valuable instruments ...