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| Autori principali: | , , , |
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| Natura: | Preprint |
| Pubblicazione: |
2024
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| Soggetti: | |
| Accesso online: | https://arxiv.org/abs/2410.05550 |
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| _version_ | 1866909340066119680 |
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| author | Xu, Yixuan Even Zhang, Hanrui Cheng, Yu Conitzer, Vincent |
| author_facet | Xu, Yixuan Even Zhang, Hanrui Cheng, Yu Conitzer, Vincent |
| contents | Quantitative Relative Judgment Aggregation (QRJA) is a new research topic in (computational) social choice. In the QRJA model, agents provide judgments on the relative quality of different candidates, and the goal is to aggregate these judgments across all agents. In this work, our main conceptual contribution is to explore the interplay between QRJA in a social choice context and its application to ranking prediction. We observe that in QRJA, judges do not have to be people with subjective opinions; for example, a race can be viewed as a "judgment" on the contestants' relative abilities. This allows us to aggregate results from multiple races to evaluate the contestants' true qualities. At a technical level, we introduce new aggregation rules for QRJA and study their structural and computational properties. We evaluate the proposed methods on data from various real races and show that QRJA-based methods offer effective and interpretable ranking predictions. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2410_05550 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Aggregating Quantitative Relative Judgments: From Social Choice to Ranking Prediction Xu, Yixuan Even Zhang, Hanrui Cheng, Yu Conitzer, Vincent Computer Science and Game Theory Quantitative Relative Judgment Aggregation (QRJA) is a new research topic in (computational) social choice. In the QRJA model, agents provide judgments on the relative quality of different candidates, and the goal is to aggregate these judgments across all agents. In this work, our main conceptual contribution is to explore the interplay between QRJA in a social choice context and its application to ranking prediction. We observe that in QRJA, judges do not have to be people with subjective opinions; for example, a race can be viewed as a "judgment" on the contestants' relative abilities. This allows us to aggregate results from multiple races to evaluate the contestants' true qualities. At a technical level, we introduce new aggregation rules for QRJA and study their structural and computational properties. We evaluate the proposed methods on data from various real races and show that QRJA-based methods offer effective and interpretable ranking predictions. |
| title | Aggregating Quantitative Relative Judgments: From Social Choice to Ranking Prediction |
| topic | Computer Science and Game Theory |
| url | https://arxiv.org/abs/2410.05550 |