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Synthetic high-quality multi-step reasoning data can significantly enhance the performance of large language models on various tasks. However, most existing methods rely on rejection sampling, which generates trajectories independently and…

Computation and Language · Computer Science 2025-07-22 Peiji Li , Kai Lv , Yunfan Shao , Yichuan Ma , Linyang Li , Xiaoqing Zheng , Xipeng Qiu , Qipeng Guo

State of the art methods for robotic path planning in dynamic environments, such as crowds or traffic, rely on hand crafted motion models for agents. These models often do not reflect interactions of agents in real world scenarios. To…

Robotics · Computer Science 2020-02-03 Stuart Eiffert , He Kong , Navid Pirmarzdashti , Salah Sukkarieh

Retrosynthesis analysis is a critical task in organic chemistry central to many important industries. Previously, various machine learning approaches have achieved promising results on this task by representing output molecules as strings…

Quantitative Methods · Quantitative Biology 2022-09-20 Lei Fang , Junren Li , Ming Zhao , Li Tan , Jian-Guang Lou

Retrosynthesis is one of the fundamental problems in organic chemistry. The task is to identify reactants that can be used to synthesize a specified product molecule. Recently, computer-aided retrosynthesis is finding renewed interest from…

Machine Learning · Computer Science 2020-01-07 Hanjun Dai , Chengtao Li , Connor W. Coley , Bo Dai , Le Song

A fundamental problem in computational chemistry is to find a set of reactants to synthesize a target molecule, a.k.a. retrosynthesis prediction. Existing state-of-the-art methods rely on matching the target molecule with a large set of…

Machine Learning · Computer Science 2021-08-23 Chence Shi , Minkai Xu , Hongyu Guo , Ming Zhang , Jian Tang

The integration of autonomous vehicles into urban and highway environments necessitates the development of robust and adaptable behavior planning systems. This study presents an innovative approach to address this challenge by utilizing a…

Robotics · Computer Science 2023-10-19 Qianfeng Wen , Zhongyi Gong , Lifeng Zhou , Zhongshun Zhang

Automated Synthesis Planning has recently re-emerged as a research area at the intersection of chemistry and machine learning. Despite the appearance of steady progress, we argue that imperfect benchmarks and inconsistent comparisons mask…

Machine Learning · Computer Science 2024-09-09 Krzysztof Maziarz , Austin Tripp , Guoqing Liu , Megan Stanley , Shufang Xie , Piotr Gaiński , Philipp Seidl , Marwin Segler

This paper presents ARTEMIS, an end-to-end autonomous driving framework that combines autoregressive trajectory planning with Mixture-of-Experts (MoE). Traditional modular methods suffer from error propagation, while existing end-to-end…

Robotics · Computer Science 2025-05-06 Renju Feng , Ning Xi , Duanfeng Chu , Rukang Wang , Zejian Deng , Anzheng Wang , Liping Lu , Jinxiang Wang , Yanjun Huang

Retrosynthetic planning is a fundamental task in organic chemistry, yet remains challenging due to its combinatorial complexity. To address this, conventional approaches typically rely on hybrid frameworks that combine single-step…

Artificial Intelligence · Computer Science 2026-04-01 Chenyang Zuo , Siqi Fan , Yizhen Luo , Zaiqing Nie

Retrosynthesis is a major task for drug discovery. It is formulated as a graph-generating problem by many existing approaches. Specifically, these methods firstly identify the reaction center, and break target molecule accordingly to…

Machine Learning · Computer Science 2022-09-28 Jiahan Liu , Chaochao Yan , Yang Yu , Chan Lu , Junzhou Huang , Le Ou-Yang , Peilin Zhao

Computer-assisted synthesis planning aims to help chemists find better reaction pathways faster. Finding viable and short pathways from sugar molecules to value-added chemicals can be modeled as a retrosynthesis planning problem with a…

Other Computer Science · Computer Science 2019-11-19 Peihong Jiang , Hieu Doan , Sandeep Madireddy , Rajeev Surendran Assary , Prasanna Balaprakash

Recent progress has expanded the use of large language models (LLMs) in drug discovery, including synthesis planning. However, objective evaluation of retrosynthesis performance remains limited. Existing benchmarks and metrics typically…

The quality of process data plays a key role in training a Process Reward Model (PRM), which can enhance the complex mathematical reasoning capability of large language models. Existing methods estimate the quality of reasoning steps based…

Artificial Intelligence · Computer Science 2025-09-30 Jie Ma , Shihao Qi , Rui Xing , Ziang Yin , Bifan Wei , Jun Liu , Tongliang Liu

Synthesizability in generative molecular design remains a pressing challenge. Existing methods to assess synthesizability span heuristics-based methods, retrosynthesis models, and synthesizability-constrained molecular generation. The…

Biomolecules · Quantitative Biology 2024-07-18 Jeff Guo , Philippe Schwaller

Monte Carlo Tree Search (MCTS) has been widely used for automated reasoning data exploration, but current supervision extraction methods remain inefficient. Standard approaches retain only the single highest-reward trajectory, discarding…

Artificial Intelligence · Computer Science 2026-04-14 Peiyang Liu , Zhirui Chen , Xi Wang , Di Liang , Youru Li , Zhi Cai , Wei Ye

In this paper, we address a method that integrates reinforcement learning into the Monte Carlo tree search to boost online path planning under fully observable environments for automated parking tasks. Sampling-based planning methods under…

Artificial Intelligence · Computer Science 2025-01-03 Xinlong Zheng , Xiaozhou Zhang , Donghao Xu

Retrosynthesis, the process of deconstructing a target molecule into simpler precursors, is crucial for computer-aided synthesis planning (CASP). Widely adopted tree-search methods often suffer from exponential computational complexity. In…

Artificial Intelligence · Computer Science 2026-01-07 Yu Shee , Anthony M. Smaldone , Anton Morgunov , Gregory W. Kyro , Victor S. Batista

Lane-free traffic environments allow vehicles to better harness the lateral capacity of the road without being restricted to lane-keeping, thereby increasing the traffic flow rates. As such, we have a distinct and more challenging setting…

Retrosynthesis is the process of determining the set of reactant molecules that can react to form a desired product. Semi-template-based retrosynthesis methods, which imitate the reverse logic of synthesis reactions, first predict the…

Machine Learning · Computer Science 2024-04-01 Frazier N. Baker , Ziqi Chen , Daniel Adu-Ampratwum , Xia Ning

Retrosynthesis is the task of planning a series of chemical reactions to create a desired molecule from simpler, buyable molecules. While previous works have proposed algorithms to find optimal solutions for a range of metrics (e.g.…

Artificial Intelligence · Computer Science 2024-04-16 Austin Tripp , Krzysztof Maziarz , Sarah Lewis , Marwin Segler , José Miguel Hernández-Lobato