cima
Planning Like Human: A Dual-process Framework for Dialogue Planning
He, Tao, Liao, Lizi, Cao, Yixin, Liu, Yuanxing, Liu, Ming, Chen, Zerui, Qin, Bing
In proactive dialogue, the challenge lies not just in generating responses but in steering conversations toward predetermined goals, a task where Large Language Models (LLMs) typically struggle due to their reactive nature. Traditional approaches to enhance dialogue planning in LLMs, ranging from elaborate prompt engineering to the integration of policy networks, either face efficiency issues or deliver suboptimal performance. Inspired by the dualprocess theory in psychology, which identifies two distinct modes of thinking - intuitive (fast) and analytical (slow), we propose the Dual-Process Dialogue Planning (DPDP) framework. DPDP embodies this theory through two complementary planning systems: an instinctive policy model for familiar contexts and a deliberative Monte Carlo Tree Search (MCTS) mechanism for complex, novel scenarios. This dual strategy is further coupled with a novel two-stage training regimen: offline Reinforcement Learning for robust initial policy model formation followed by MCTS-enhanced on-the-fly learning, which ensures a dynamic balance between efficiency and strategic depth. Our empirical evaluations across diverse dialogue tasks affirm DPDP's superiority in achieving both high-quality dialogues and operational efficiency, outpacing existing methods.
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- Information Technology > Artificial Intelligence > Representation & Reasoning > Planning & Scheduling (1.00)
- Information Technology > Artificial Intelligence > Natural Language > Large Language Model (1.00)
- Information Technology > Artificial Intelligence > Machine Learning > Neural Networks > Deep Learning (0.68)
Opportunities and Challenges in Neural Dialog Tutoring
Macina, Jakub, Daheim, Nico, Wang, Lingzhi, Sinha, Tanmay, Kapur, Manu, Gurevych, Iryna, Sachan, Mrinmaya
Designing dialog tutors has been challenging as it involves modeling the diverse and complex pedagogical strategies employed by human tutors. Although there have been significant recent advances in neural conversational systems using large language models (LLMs) and growth in available dialog corpora, dialog tutoring has largely remained unaffected by these advances. In this paper, we rigorously analyze various generative language models on two dialog tutoring datasets for language learning using automatic and human evaluations to understand the new opportunities brought by these advances as well as the challenges we must overcome to build models that would be usable in real educational settings. We find that although current approaches can model tutoring in constrained learning scenarios when the number of concepts to be taught and possible teacher strategies are small, they perform poorly in less constrained scenarios. Our human quality evaluation shows that both models and ground-truth annotations exhibit low performance in terms of equitable tutoring, which measures learning opportunities for students and how engaging the dialog is. To understand the behavior of our models in a real tutoring setting, we conduct a user study using expert annotators and find a significantly large number of model reasoning errors in 45% of conversations. Finally, we connect our findings to outline future work.
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Artificial intelligence has globally impacted businesses across industries - Times of India
MUMBAI: In order to understand its effects on the finance and accounting industry, Chartered Institute of Management Accountants, (CIMA) the world's leading and largest UK based professional body, conducted a global survey across select European, African and Asian countries. A majority of financial leaders are of the opinion that artificial intelligence helps enhance efficiency and accuracy of the business. This recent global study reveals that more than two-thirds (64%) of finance professionals from India encourage increasing automation as it saves time, money and helps ease the indecision process in their organisations. At a global level, Zimbabwe tops the chart with (75%) professionals supporting automation, followed by China with a 67% of acceptance. This indicates that accountants regard the impact of new technologies as an opportunity rather than a threat.
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