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- extended-abstractOctober 2024
Less is More: Towards Sustainability-Aware Persuasive Explanations in Recommender Systems
- Thi Ngoc Trang Tran,
- Seda Polat Erdeniz,
- Alexander Felfernig,
- Sebastian Lubos,
- Merfat El Mansi,
- Viet-Man Le
RecSys '24: Proceedings of the 18th ACM Conference on Recommender SystemsPages 1108–1112https://doi.org/10.1145/3640457.3691708Recommender systems play an important role in supporting the achievement of the United Nations sustainable development goals (SDGs). In recommender systems, explanations can support different goals, such as increasing a user’s trust in a recommendation, ...
- extended-abstractOctober 2024
11th Joint Workshop on Interfaces and Human Decision Making for Recommender Systems (IntRS'24)
- Peter Brusilovsky,
- Marco de Gemmis,
- Alexander Felfernig,
- Marco Polignano,
- Giovanni Semeraro,
- Martijn Willemsen
RecSys '24: Proceedings of the 18th ACM Conference on Recommender SystemsPages 1253–1257https://doi.org/10.1145/3640457.3687098The primary goal of Recommender Systems is to suggest the most suitable items to a user, aligning them with the user’s interests and needs. RSs are essential for modern e-commerce, helping users discover content and products by predicting suitable items ...
Optimization Space Learning: A Lightweight, Noniterative Technique for Compiler Autotuning
SPLC '24: Proceedings of the 28th ACM International Systems and Software Product Line ConferencePages 36–46https://doi.org/10.1145/3646548.3672588Compilers are highly configurable systems. One can influence the performance of a compiled program by activating and deactivating selected compiler optimizations. However, automatically finding well-performing configurations is a challenging task. We ...
- research-articleJune 2024
LLM-generated Explanations for Recommender Systems
UMAP Adjunct '24: Adjunct Proceedings of the 32nd ACM Conference on User Modeling, Adaptation and PersonalizationPages 276–285https://doi.org/10.1145/3631700.3665185Users are often confronted with situations where they have to decide in favor or against an offered item, like a book, movie, or recipe. Those suggested items are commonly determined by a recommender system, which considers personal preferences to ...
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- review-articleMay 2024
Sports recommender systems: overview and research directions
- Alexander Felfernig,
- Manfred Wundara,
- Thi Ngoc Trang Tran,
- Viet-Man Le,
- Sebastian Lubos,
- Seda Polat-Erdeniz
Journal of Intelligent Information Systems (JIIS), Volume 62, Issue 4Pages 1125–1164https://doi.org/10.1007/s10844-024-00857-wAbstractSports recommender systems receive an increasing attention due to their potential of fostering healthy living, improving personal well-being, and increasing performances in sports. These systems support people in sports, for example, by the ...
- research-articleJanuary 2025
INFORMEDQX: informed conflict detection for over-constrained problems
AAAI'24/IAAI'24/EAAI'24: Proceedings of the Thirty-Eighth AAAI Conference on Artificial Intelligence and Thirty-Sixth Conference on Innovative Applications of Artificial Intelligence and Fourteenth Symposium on Educational Advances in Artificial IntelligenceArticle No.: 1184, Pages 10616–10623https://doi.org/10.1609/aaai.v38i9.28932Conflict detection is relevant in various application scenarios, ranging from interactive decision-making to the diagnosis of faulty knowledge bases. Conflicts can be regarded as sets of constraints that cause an inconsistency. In many scenarios (e.g., ...
- research-articleJanuary 2024
Report on the 10th Joint Workshop on Interfaces and Human Decision Making for Recommender Systems (IntRS 2023) at ACM RecSys 2023
- Peter Brusilovsky,
- Marco de Gemmis,
- Alexander Felfernig,
- Pasquale Lops,
- Marco Polignano,
- Giovanni Semeraro,
- Martijn C. Willemsen
ACM SIGIR Forum (SIGIR), Volume 57, Issue 2Article No.: 17, Pages 1–6https://doi.org/10.1145/3642979.3642999The 10th edition of the Joint Workshop on Interfaces and Human Decision Making for Recommender Systems was held as part of the 17th ACM Conference on Recommender Systems (RecSys), the premier international forum for the presentation of new research ...
- research-articleSeptember 2023
An overview of consensus models for group decision-making and group recommender systems
User Modeling and User-Adapted Interaction (KLU-USER), Volume 34, Issue 3Pages 489–547https://doi.org/10.1007/s11257-023-09380-zAbstractGroup decision-making processes can be supported by group recommender systems that help groups of users obtain satisfying decision outcomes. These systems integrate a consensus-achieving process, allowing group members to discuss with each other ...
- short-paperSeptember 2023
Analysis Operations for Constraint-based Recommender Systems
RecSys '23: Proceedings of the 17th ACM Conference on Recommender SystemsPages 709–714https://doi.org/10.1145/3604915.3608819Constraint-based recommender systems support users in the identification of complex items such as financial services and digital cameras (digicams). Such recommender systems enable users to find an appropriate item within the scope of a conversational ...
- extended-abstractSeptember 2023
10th Joint Workshop on Interfaces and Human Decision Making for Recommender Systems (IntRS’23)
- Peter Brusilovsky,
- Marco De Gemmis,
- Alexander Felfernig,
- Pasquale Lops,
- Marco Polignano,
- Giovanni Semeraro,
- Martijn C. Willemsen
RecSys '23: Proceedings of the 17th ACM Conference on Recommender SystemsPages 1255–1258https://doi.org/10.1145/3604915.3608758Recommender systems (RSs) have undoubtedly played a significant role in addressing the information overload problem by efficiently filtering and suggesting relevant items to users. These systems use both explicit and implicit user preferences to filter ...
Analysis Operations On The Run: Feature Model Analysis in Constraint-based Recommender Systems
- Sebastian Lubos,
- Alexander Felfernig,
- Viet-Man Le,
- Thi Ngoc Trang Tran,
- David Benavides,
- José A. Zamudio,
- Damian Garber
SPLC '23: Proceedings of the 27th ACM International Systems and Software Product Line Conference - Volume APages 111–116https://doi.org/10.1145/3579027.3608982The development and maintenance of feature models is often an error-prone activity requiring different types of analysis operations that help developers to restore required feature model properties. Fulfilling such properties helps to assure compliance ...
- research-articleJune 2023
User Needs for Explanations of Recommendations: In-depth Analyses of the Role of Item Domain and Personal Characteristics
UMAP '23: Proceedings of the 31st ACM Conference on User Modeling, Adaptation and PersonalizationPages 54–65https://doi.org/10.1145/3565472.3592950Explanations can be provided with different goals, such as clarifying how the system works, how well the recommended item meets the user’s preferences, and how an explanation helps the user select an item faster. Although extensive research has been ...
- ArticleJune 2023
Computational Evaluation of Model-Agnostic Explainable AI Using Local Feature Importance in Healthcare
- Seda Polat Erdeniz,
- Michael Schrempf,
- Diether Kramer,
- Peter P. Rainer,
- Alexander Felfernig,
- Trang Tran,
- Tamim Burgstaller,
- Sebastian Lubos
AbstractExplainable artificial intelligence (XAI) is essential for enabling clinical users to get informed decision support from AI and comply with evidence-based medical practice. In the XAI field, effective evaluation methods are still being developed. ...
- research-articleFebruary 2023
FASTDIAGP: an algorithm for parallelized direct diagnosis
- Viet-Man Le,
- Cristian Vidal Silva,
- Alexander Felfernig,
- David Benavides,
- José Galindo,
- Thi Ngoc Trang Tran
AAAI'23/IAAI'23/EAAI'23: Proceedings of the Thirty-Seventh AAAI Conference on Artificial Intelligence and Thirty-Fifth Conference on Innovative Applications of Artificial Intelligence and Thirteenth Symposium on Educational Advances in Artificial IntelligenceArticle No.: 723, Pages 6442–6449https://doi.org/10.1609/aaai.v37i5.25792Constraint-based applications attempt to identify a solution that meets all defined user requirements. If the requirements are inconsistent with the underlying constraint set, algorithms that compute diagnoses for inconsistent constraints should be ...
- ArticleMarch 2023
Perfect Match in Video Retrieval
- Sebastian Lubos,
- Massimiliano Rubino,
- Christian Tautschnig,
- Markus Tautschnig,
- Boda Wen,
- Klaus Schoeffmann,
- Alexander Felfernig
AbstractThis paper presents the first version of our video search system Perfect Match for the Video Browser Showdown 2023 competition. The system indexes videos from the large V3C video dataset and derives visual content descriptors automatically. ...
- ArticleOctober 2022
A Comparative Study: Classification Vs. Matrix Factorization for Therapeutics Recommendation
AbstractHospital information systems (HIS) hold various healthcare information of patients. Most of them are held as structural data by a database table. This information include history of diagnoses, medications, applied procedures and laboratory results ...
- introductionSeptember 2022
FinRec: The 3rd International Workshop on Personalization & Recommender Systems in Financial Services
- Toine Bogers,
- Cataldo Musto,
- David Wang,
- Alexander Felfernig,
- Simone Borg Bruun,
- Giovanni Semeraro,
- Yong Zheng
RecSys '22: Proceedings of the 16th ACM Conference on Recommender SystemsPages 688–690https://doi.org/10.1145/3523227.3547420The FinRec workshop series offers a central forum for the study and discussion of the domain-specific aspects, challenges, and opportunities of RecSys and other related technologies in the financial services domain. Six years after the second edition of ...
- introductionSeptember 2022
Joint Workshop on Interfaces and Human Decision Making for Recommender Systems (IntRS’22)
- Peter Brusilovsky,
- Marco de Gemmis,
- Alexander Felfernig,
- Pasquale Lops,
- Marco Polignano,
- Giovanni Semeraro,
- Martijn C. Willemsen
RecSys '22: Proceedings of the 16th ACM Conference on Recommender SystemsPages 667–670https://doi.org/10.1145/3523227.3547413The constant increase in the amount of data and information available on the Web has made the development of systems that can support users in making relevant decisions increasingly important. Recommender systems (RSs) have emerged as tools to address ...