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Yanan Xiao

4 accepted papers

2025

Beyond Prompt Engineering: A Reinforced Token-Level Input Refinement for Large Language Models

AAAI 2025technical

In the rapidly developing field of automatic text generation and understanding, the quality of input data has been shown to be a key factor affecting the efficiency and accuracy of large language model (LLM) output. With the advent of advanced tools such as ChatGPT, input refinement work has mainly…

2024

Hierarchical Reinforcement Learning for Point of Interest Recommendation

IJCAI 2024poster

With the increasing popularity of location-based services, accurately recommending points of interest (POIs) has become a critical task. Although existing technologies are proficient in processing time-series data, they fall short when it comes to accommodating the diversity and dynamism in users' P…

Cited by 0SourcePDFScholar
2024

Hierarchical Reinforcement Learning on Multi-Channel Hypergraph Neural Network for Course Recommendation

IJCAI 2024poster

With the widespread popularity of massive open online courses, personalized course recommendation has become increasingly important due to enhancing users' learning efficiency. While achieving promising performances, current works suffering from the vary across the users and other MOOC entities. To…

Cited by 2SourcePDFScholar
2024

Spatial-Temporal Interplay in Human Mobility: A Hierarchical Reinforcement Learning Approach with Hypergraph Representation

AAAI 2024technical

In the realm of human mobility, the decision-making process for selecting the next-visit location is intricately influenced by a trade-off between spatial and temporal constraints, which are reflective of individual needs and preferences. This trade-off, however, varies across individuals, making th…

Cited by 10SourcePDFScholar