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Related papers: Refining HTN Methods via Task Insertion with Prefe…

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We propose automatically learning probabilistic Hierarchical Task Networks (pHTNs) in order to capture a user's preferences on plans, by observing only the user's behavior. HTNs are a common choice of representation for a variety of…

Artificial Intelligence · Computer Science 2010-06-03 Nan Li , William Cushing , Subbarao Kambhampati , Sungwook Yoon

In this paper, we address the problem of generating preferred plans by combining the procedural control knowledge specified by Hierarchical Task Networks (HTNs) with rich qualitative user preferences. The outcome of our work is a language…

Artificial Intelligence · Computer Science 2009-09-04 Shirin Sohrabi , Sheila A. McIlraith

Many planning techniques have been developed to allow autonomous systems to act and make decisions based on their perceptions of the environment. Among these techniques, HTN ({\it Hierarchical Task Network}) planning is one of the most used…

Artificial Intelligence · Computer Science 2018-11-02 Abdeldjalil Ramoul , Damien Pellier , Humbert Fiorino , Sylvie Pesty

Goal recognition aims to infer an agent's goal from observations of its behaviour. In realistic settings, recognition can benefit from exploiting hierarchical task structure and reasoning under uncertainty. Planning-based goal recognition…

Symbolic Computation · Computer Science 2026-04-27 Chenyuan Zhang , Katherine Ip , Hamid Rezatofighi , Buser Say , Mor Vered

The Hierarchical Task Network ({\sf HTN}) formalism is very expressive and used to express a wide variety of planning problems. In contrast to the classical {\sf STRIPS} formalism in which only the action model needs to be specified, the…

Artificial Intelligence · Computer Science 2022-06-15 M. Grand , H. Fiorino , D. Pellier

Hierarchical Task Network (HTN) planning uses task decomposition to plan for an executable sequence of actions as a solution to a problem. In order to reason effectively, an HTN planner needs expressive domain knowledge. For instance, a…

Artificial Intelligence · Computer Science 2011-12-01 Ilče Georgievski , Alexander Lazovik , Marco Aiello

We propose a novel method for inferring refinement types of higher-order functional programs. The main advantage of the proposed method is that it can infer maximally preferred (i.e., Pareto optimal) refinement types with respect to a…

Programming Languages · Computer Science 2015-05-19 Kodai Hashimoto , Hiroshi Unno

Intelligent tutors have shown success in delivering a personalized and adaptive learning experience. However, there exist challenges regarding the granularity of knowledge in existing frameworks and the resulting instructions they can…

Artificial Intelligence · Computer Science 2024-05-27 Momin N. Siddiqui , Adit Gupta , Jennifer M. Reddig , Christopher J. MacLellan

Hierarchical Task Network (HTN) planning is a practical and efficient approach to planning when the 'standard operating procedures' for a domain are available. Like Belief-Desire-Intention (BDI) agent reasoning, HTN planning performs…

Artificial Intelligence · Computer Science 2021-07-06 Lavindra de Silva

Hierarchical Task Network (HTN) planning is a popular approach that cuts down on the classical planning search space by relying on a given hierarchical library of domain control knowledge. This provides an intuitive methodology for…

Robotics · Computer Science 2014-06-13 Raphaël Lallement , Lavindra de Silva , Rachid Alami

Planning with preferences has been employed extensively to quickly generate high-quality plans. However, it may be difficult for the human expert to supply this information without knowledge of the reasoning employed by the planner and the…

Artificial Intelligence · Computer Science 2018-04-23 Mayukh Das , Phillip Odom , Md. Rakibul Islam , Janardhan Rao , Doppa , Dan Roth , Sriraam Natarajan

Hierarchies are the most common structure used to understand the world better. In galaxies, for instance, multiple-star systems are organised in a hierarchical system. Then, governmental and company organisations are structured using a…

Artificial Intelligence · Computer Science 2014-03-31 Ilche Georgievski , Marco Aiello

While interests in tabular deep learning has significantly grown, conventional tree-based models still outperform deep learning methods. To narrow this performance gap, we explore the innovative retrieval mechanism, a methodology that…

Machine Learning · Computer Science 2023-11-14 Felix den Breejen , Sangmin Bae , Stephen Cha , Tae-Young Kim , Seoung Hyun Koh , Se-Young Yun

Hierarchical Task Network (HTN) planning usually requires a domain engineer to provide manual input about how to decompose a planning problem. Even HTN-MAKER, a well-known method-learning algorithm, requires a domain engineer to annotate…

Artificial Intelligence · Computer Science 2024-04-10 Ruoxi Li , Dana Nau , Mark Roberts , Morgan Fine-Morris

Deterministic planning assumes that the planning evolves along a fully predictable path, and therefore it loses the practical value in most real projections. A more realistic view is that planning ought to take into consideration partial…

Artificial Intelligence · Computer Science 2023-09-29 Peng Zhao

Combining learned policies in a prioritized, ordered manner is desirable because it allows for modular design and facilitates data reuse through knowledge transfer. In control theory, prioritized composition is realized by null-space…

Machine Learning · Computer Science 2022-09-21 Finn Rietz , Erik Schaffernicht , Todor Stoyanov , Johannes A. Stork

Intermediate task fine-tuning has been shown to culminate in large transfer gains across many NLP tasks. With an abundance of candidate datasets as well as pre-trained language models, it has become infeasible to run the cross-product of…

Computation and Language · Computer Science 2021-09-13 Clifton Poth , Jonas Pfeiffer , Andreas Rücklé , Iryna Gurevych

We present online learning of Hierarchical Task Network (HTN) methods in the context of integrated HTN planning and LLM-based chatbots. Methods indicate when and how to decompose tasks into subtasks. Our method learner is built on top of…

Artificial Intelligence · Computer Science 2025-11-18 Yuesheng Xu , Hector Munoz-Avila

In order to cope with the task allocation in national economic mobilization, a task allocation planning method based on Hierarchical Task Network (HTN) for national economic mobilization is proposed. An HTN planning algorithm is designed to…

Computers and Society · Computer Science 2023-10-03 Peng Zhao

In network representation learning we learn how to represent heterogeneous information networks in a low-dimensional space so as to facilitate effective search, classification, and prediction solutions. Previous network representation…

Artificial Intelligence · Computer Science 2021-05-19 Yang Fang , Xiang Zhao , Yifan Chen , Weidong Xiao , Maarten de Rijke
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