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Related papers: Ask-to-Clarify: Resolving Instruction Ambiguity th…

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In real-world task-oriented dialogue (TOD) settings, agents are required to strictly adhere to complex instructions while conducting multi-turn conversations with customers. These instructions are typically presented in natural language…

Computation and Language · Computer Science 2025-11-21 Sarik Ghazarian , Abhinav Gullapalli , Swair Shah , Anurag Beniwal , Nanyun Peng , Narayanan Sadagopan , Zhou Yu

This paper tackles the problem of learning a questioner in the goal-oriented visual dialog task. Several previous works adopt model-free reinforcement learning. Most pretrain the model from a finite set of human-generated data. We argue…

Artificial Intelligence · Computer Science 2019-07-25 Yen-Wei Chang , Wen-Hsiao Peng

Vision-Language-Action (VLA) models mark a transformative advancement in artificial intelligence, aiming to unify perception, natural language understanding, and embodied action within a single computational framework. This foundational…

Computer Vision and Pattern Recognition · Computer Science 2026-02-02 Ranjan Sapkota , Yang Cao , Konstantinos I. Roumeliotis , Manoj Karkee

Ambiguity remains a fundamental challenge in Natural Language Processing (NLP) due to the inherent complexity and flexibility of human language. With the advent of Large Language Models (LLMs), addressing ambiguity has become even more…

With the recent development of natural language generation models - termed as large language models (LLMs) - a potential use case has opened up to improve the way that humans interact with robot assistants. These LLMs should be able to…

Multiagent Systems · Computer Science 2024-11-27 Mitchell Rosser , Marc. G Carmichael

Large language models (LLMs) encode a vast amount of world knowledge acquired from massive text datasets. Recent studies have demonstrated that LLMs can assist an embodied agent in solving complex sequential decision making tasks by…

Artificial Intelligence · Computer Science 2024-06-27 Bin Hu , Chenyang Zhao , Pu Zhang , Zihao Zhou , Yuanhang Yang , Zenglin Xu , Bin Liu

Language-conditioned policies have recently gained substantial adoption in robotics as they allow users to specify tasks using natural language, making them highly versatile. While much research has focused on improving the action…

Robotics · Computer Science 2025-04-25 Eugenio Chisari , Jan Ole von Hartz , Fabien Despinoy , Abhinav Valada

An overarching goal of natural language processing is to enable machines to communicate seamlessly with humans. However, natural language can be ambiguous or unclear. In cases of uncertainty, humans engage in an interactive process known as…

Computation and Language · Computer Science 2021-10-20 Julia White , Gabriel Poesia , Robert Hawkins , Dorsa Sadigh , Noah Goodman

Current language model-driven agents often lack mechanisms for effective user participation, which is crucial given the vagueness commonly found in user instructions. Although adept at devising strategies and performing tasks, these agents…

Computation and Language · Computer Science 2024-02-16 Cheng Qian , Bingxiang He , Zhong Zhuang , Jia Deng , Yujia Qin , Xin Cong , Zhong Zhang , Jie Zhou , Yankai Lin , Zhiyuan Liu , Maosong Sun

Vision-Language-Action Models (VLAs) have shown remarkable progress towards embodied intelligence. While their architecture partially resembles that of Large Language Models (LLMs), VLAs exhibit higher complexity due to their multi-modal…

Robotics · Computer Science 2026-03-06 Hugo Buurmeijer , Carmen Amo Alonso , Aiden Swann , Marco Pavone

Intelligent systems need to be able to recover from mistakes, resolve uncertainty, and adapt to novel concepts not seen during training. Dialog interaction can enable this by the use of clarifications for correction and resolving…

Computer Vision and Pattern Recognition · Computer Science 2020-12-15 Aishwarya Padmakumar , Raymond J. Mooney

Asking clarifying questions in response to ambiguous or faceted queries has been recognized as a useful technique for various information retrieval systems, especially conversational search systems with limited bandwidth interfaces.…

Information Retrieval · Computer Science 2020-06-16 Helia Hashemi , Hamed Zamani , W. Bruce Croft

Beyond hallucinations, another problem in program synthesis using LLMs is ambiguity in user intent. We illustrate the ambiguity problem in a networking context for LLM-based incremental configuration synthesis of route-maps and ACLs. These…

Networking and Internet Architecture · Computer Science 2025-07-17 Rajdeep Mondal , Nikolaj Bjorner , Todd Millstein , Alan Tang , George Varghese

Clarification-seeking behavior is widely regarded as a desirable property of LLM agents, enabling them to resolve ambiguity before acting on underspecified tasks. However, the security implications of this interaction pattern remain…

Cryptography and Security · Computer Science 2026-05-19 Udari Madhushani Sehwag , Zhengyang Shan , Heming Liu , Dileepa Lakshan , Joseph Brandifino , Max Fenkell

Dialogue systems often fail when user utterances are semantically complete yet lack the clarity and completeness required for appropriate system action. This mismatch arises because users frequently do not fully understand their own needs,…

Artificial Intelligence · Computer Science 2025-08-26 Yaoyao Qian , Jindan Huang , Yuanli Wang , Simon Yu , Kyrie Zhixuan Zhou , Jiayuan Mao , Mingfu Liang , Hanhan Zhou

Teaching an agent to perform new tasks using natural language can easily be hindered by ambiguities in interpretation. When a teacher provides an instruction to a learner about an object by referring to its features, the learner can…

Machine Learning · Computer Science 2023-09-28 Hugo Caselles-Dupré , Olivier Sigaud , Mohamed Chetouani

Large Language Models (LLMs) are able to improve their responses when instructed to do so, a capability known as self-correction. When instructions provide only the task's goal without specific details about potential issues in the…

Computation and Language · Computer Science 2024-11-11 Guangliang Liu , Haitao Mao , Bochuan Cao , Zhiyu Xue , Xitong Zhang , Rongrong Wang , Jiliang Tang , Kristen Johnson

Large Language Models (LLMs) are widely used by students, yet their tendency to provide fast and complete answers may discourage reflection and foster overconfidence. We examined how alternative LLM interaction designs support deeper…

Human-Computer Interaction · Computer Science 2026-04-13 Elena Eleftheriou , George Pallis , Marios Constantinides

Despite substantial advances in large language models (LLMs), generating factually consistent responses for knowledge-intensive question answering remains challenging. These difficulties are primarily due to hallucinations and the…

Computation and Language · Computer Science 2026-05-19 Taolin Zhang , Dongyang Li , Chen Chen , Qizhou Chen , Jiuheng Wan , Xiaofeng He , Chengyu Wang , Richang Hong

Large Language Models (LLMs) have become a popular interface for human-AI interaction, supporting information seeking and task assistance through natural, multi-turn dialogue. To respond to users within multi-turn dialogues, the…

Computation and Language · Computer Science 2026-04-16 Fengran Mo , Yifan Gao , Sha Li , Hansi Zeng , Xin Liu , Zhaoxuan Tan , Xian Li , Jianshu Chen , Dakuo Wang , Meng Jiang