参考文献列表：Mixed-type conversation

Towards Topic-Guided Conversational Recommender System
RecInDial: A Unified Framework for Conversational Recommendation with Pretrained Language Models
RLPROMPT: Optimizing Discrete Text Prompts with Reinforcement Learning
CodeRL: Mastering Code Generation through Pretrained Models and Deep Reinforcement Learning
User-Centric Conversational Recommendation with Multi-Aspect User Modeling
CR-Walker: Tree-Structured Graph Reasoning and Dialog Acts for Conversational Recommendation
Deep Reinforcement Learning for Sequence-to-Sequence Models
COLING例子：https://aclanthology.org/2022.coling-1.55.pdf
Follow Me: Conversation Planning for Target-driven Recommendation Dialogue Systems
Target-Guided Open-Domain Conversation Planning
Towards Unified Conversational Recommender Systems via Knowledge-Enhanced Prompt Learning
https://arxiv.org/pdf/2206.09363.pdf
X-GOAL: Multiplex Heterogeneous Graph Prototypical Contrastive Learning
https://arxiv.org/pdf/2109.03560.pdf
Contrastive Learning as Goal-Conditioned Reinforcement Learning
https://arxiv.org/pdf/2206.07568.pdf
Multi-Goal Reinforcement Learning: Challenging Robotics Environments and Request for Research
https://arxiv.org/pdf/1802.09464.pdf
C2-CRS: Coarse-to-Fine Contrastive Learning for Conversational Recommender System
https://arxiv.org/pdf/2206.07568.pdf
Dialogue Generation: From Imitation Learning to Inverse Reinforcement Learning
https://arxiv.org/pdf/1812.03509.pdf