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Adapting Large Language Models (LLMs) to downstream tasks using Reinforcement Learning (RL) has proven to be an effective approach. However, LLMs do not inherently define the structure of an agent for RL training, particularly in terms of…

Computation and Language · Computer Science 2025-03-28 Chengxing Jia , Ziniu Li , Pengyuan Wang , Yi-Chen Li , Zhenyu Hou , Yuxiao Dong , Yang Yu

This paper presents an AI-generated review of Vision-Language-Action (VLA) models, summarizing key methodologies, findings, and future directions. The content is produced using large language models (LLMs) and is intended only for…

The rapid growth of scientific publications has made it increasingly difficult to keep literature reviews comprehensive and up-to-date. Though prior work has focused on automating retrieval and screening, the writing phase of systematic…

Computation and Language · Computer Science 2026-03-23 Gregory Hok Tjoan Go , Khang Ly , Anders Søgaard , Amin Tabatabaei , Maarten de Rijke , Xinyi Chen

While Language Agents have achieved promising success by placing Large Language Models at the core of a more versatile design that dynamically interacts with the external world, the existing approaches neglect the notion of uncertainty…

Computation and Language · Computer Science 2024-05-31 Jiuzhou Han , Wray Buntine , Ehsan Shareghi

Modern enterprise retrieval systems must handle short, underspecified queries such as ``foreign transaction fee refund'' and ``recent check status''. In these cases, semantic nuance and metadata matter but per-query large language model…

Information Retrieval · Computer Science 2026-01-06 Satya Swaroop Gudipudi , Sahil Girhepuje , Ponnurangam Kumaraguru , Kristine Ma

In learning an embodied agent executing daily tasks via language directives, the literature largely assumes that the agent learns all training data at the beginning. We argue that such a learning scenario is less realistic since a robotic…

Artificial Intelligence · Computer Science 2024-03-14 Byeonghwi Kim , Minhyuk Seo , Jonghyun Choi

This paper focuses on extending the success of large language models (LLMs) to sequential decision making. Existing efforts either (i) re-train or finetune LLMs for decision making, or (ii) design prompts for pretrained LLMs. The former…

Machine Learning · Computer Science 2025-06-17 Dingyang Chen , Qi Zhang , Yinglun Zhu

We introduce PaSa, an advanced Paper Search agent powered by large language models. PaSa can autonomously make a series of decisions, including invoking search tools, reading papers, and selecting relevant references, to ultimately obtain…

Information Retrieval · Computer Science 2025-05-28 Yichen He , Guanhua Huang , Peiyuan Feng , Yuan Lin , Yuchen Zhang , Hang Li , Weinan E

The prefill stage in long-context LLM inference remains a computational bottleneck. Recent token-ranking heuristics accelerate inference by selectively processing a subset of semantically relevant tokens. However, existing methods suffer…

Computation and Language · Computer Science 2026-02-19 Bradley McDanel , Steven Li , Harshit Khaitan

LLM-based agents can complete tasks correctly yet still frustrate users through poor interaction patterns, such as excessive confirmations, opaque reasoning, or misaligned pacing. Current benchmarks evaluate task accuracy but overlook how…

Human-Computer Interaction · Computer Science 2026-02-09 Jialin Li , Zhenhao Chen , Hanjun Luo , Hanan Salam

Large Language Models (LLMs) have emerged as powerful conversational interfaces, and their application in process mining (PM) tasks has shown promising results. However, state-of-the-art LLMs struggle with complex scenarios that demand…

Artificial Intelligence · Computer Science 2024-08-16 Alessandro Berti , Mayssa Maatallah , Urszula Jessen , Michal Sroka , Sonia Ayachi Ghannouchi

The advancement of Large Language Model (LLM)-powered agents has enabled automated task processing through reasoning and tool invocation capabilities. However, existing frameworks often operate under the idealized assumption that tool…

Artificial Intelligence · Computer Science 2026-03-06 Zhipeng Chen , Zhongrui Zhang , Chao Zhang , Yifan Xu , Lan Yang , Jun Liu , Ke Li , Yi-Zhe Song

We introduce Latent Action Pretraining for general Action models (LAPA), an unsupervised method for pretraining Vision-Language-Action (VLA) models without ground-truth robot action labels. Existing Vision-Language-Action models require…

Prior parameter-efficient fine-tuning (PEFT) algorithms reduce memory usage and computational costs of fine-tuning large neural network models by training only a few additional adapter parameters, rather than the entire model. However, the…

Machine Learning · Computer Science 2025-03-12 Sunghyeon Woo , Sol Namkung , Sunwoo Lee , Inho Jeong , Beomseok Kim , Dongsuk Jeon

Large Language Models (LLMs) have shown remarkable capabilities in natural language tasks requiring complex reasoning, yet their application in agentic, multi-step reasoning within interactive environments remains a difficult challenge.…

Artificial Intelligence · Computer Science 2024-08-15 Pranav Putta , Edmund Mills , Naman Garg , Sumeet Motwani , Chelsea Finn , Divyansh Garg , Rafael Rafailov

We introduce NNetNav, a method for unsupervised interaction with websites that generates synthetic demonstrations for training browser agents. Given any website, NNetNav produces these demonstrations by retroactively labeling action…

Computation and Language · Computer Science 2025-02-06 Shikhar Murty , Hao Zhu , Dzmitry Bahdanau , Christopher D. Manning

To reduce the latency associated with autoretrogressive LLM inference, speculative decoding has emerged as a novel decoding paradigm, where future tokens are drafted and verified in parallel. However, the practical deployment of speculative…

Computation and Language · Computer Science 2024-12-03 Shwetha Somasundaram , Anirudh Phukan , Apoorv Saxena

Despite the potential of language model-based agents to solve real-world tasks such as web navigation, current methods still struggle with long-horizon tasks with complex action trajectories. In contrast, humans can flexibly solve complex…

Computation and Language · Computer Science 2024-09-12 Zora Zhiruo Wang , Jiayuan Mao , Daniel Fried , Graham Neubig

Effort estimation is a crucial activity in agile software development, where teams collaboratively review, discuss, and estimate the effort required to complete user stories in a product backlog. Current practices in agile effort estimation…

Software Engineering · Computer Science 2025-09-19 Thanh-Long Bui , Hoa Khanh Dam , Rashina Hoda

Owing to recent advancements, Large Language Models (LLMs) can now be deployed as agents for increasingly complex decision-making applications in areas including robotics, gaming, and API integration. However, reflecting past experiences in…