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Integrated Planning and Execution on Read-Write Linked Data
2021
International Semantic Web Conference
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Video: https://nico-assfalg.de/semantic-web/HTN-WiLD_Demo.mp4 Code: https://github.com/nico1509/htn-wild All the Agents Challenge (ATAC 2021) ...
We present (1) a virtual flamethrower factory as an abstraction of a real-world industrial setting that provides Read-Write Linked Data interfaces to devices, and (2) an agent that operates in this environment ...
Lastly, our agent makes use of an ontology to express planning problems according to the Hierarchical Task Network (HTN) method [3] , for which we formulated operational semantics in ASM4LD. ...
dblp:conf/semweb/AssfalgSK21
fatcat:vzo75bdjsfggxgnyhlhnu2z72y
An Ontological Context-Aware Approach for a Dynamic Business Process Formulation
[chapter]
2013
Lecture Notes in Computer Science
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the HTN planning algorithm traverses through the HTN recursively decomposing tasks according to the matching methods, a result (or plan) is generated for "traveling from University of Maryland (UMD) to ...
Each method has a prescription for how to decompose some task into a set of subtasks, with different restrictions that must be satisfied so that a method would be applicable and also with respect to various ...
doi:10.1007/978-3-642-36543-0_52
fatcat:bgxtl3h3hfasdnffmctetrfkoy
Semantic Attachments for HTN Planning
2020
PROCEEDINGS OF THE THIRTIETH AAAI CONFERENCE ON ARTIFICIAL INTELLIGENCE AND THE TWENTY-EIGHTH INNOVATIVE APPLICATIONS OF ARTIFICIAL INTELLIGENCE CONFERENCE
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We formalize Semantic Attachments for HTN planning using semi coroutines, allowing such procedurally defined predicates to link the planning process to custom unifications outside of the planner, such ...
Hierarchical Task Networks (HTN) planning uses a decomposition process guided by domain knowledge to guide search towards a planning task. ...
Conclusion We developed a notion of semantic attachments for HTN planners that not only allows a domain expert to easily define external numerical functions for real-world domains, but also provides substantial ...
doi:10.1609/aaai.v34i06.6548
fatcat:2yu67gnkzraktecbaaurmwf6ym
A Case Study of Question Answering in Automatic Tourism Service Packaging
2013
Cybernetics and Information Technologies
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To plan the services, SHOP2 planner is introduced in our architecture, which adopts a semantic Web for content modeling, logic grammar for question parsing, and Hierarchical Task Network (HTN) for user ...
A case study in e-Tourism domain is investigated, which implements dynamic packaging for tourism products. ...
For this sequence of actions, we will get a HTN problem domain and a planning domain for Web service dynamic composition. ...
doi:10.2478/cait-2013-0045
fatcat:na7vume2off7xdhy4yz2uryz44
Learning task hierarchies using statistical semantics and goal reasoning
2018
AI Communications
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WORD2HTN combines semantic text analysis techniques and subgoal learning in order to generate Hierarchical Task Networks (HTNs). ...
Unlike existing HTN learning algorithms, WORD2HTN learns distributed vector representations that represent the similarities and semantics of the components of plan traces. ...
Approved for public release, distribution unlimited. The views expressed are those of the authors and do not reflect the official policy of the U.S. Government. ...
doi:10.3233/aic-180756
fatcat:gfbu5eh3ojahdhi5lrcbbofzdu
On Planning with Preferences in HTN
[article]
2009
arXiv
pre-print
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The outcome of our work is a language for specifyin user preferences, tailored to HTN planning, together with a provably optimal preference-based planner, HTNPLAN, that is implemented as an extension of ...
We prove our approach sound and optimal with respect to the plans it generates by appealing to a situation calculus semantics of our preference language and of HTN planning. ...
Method m is relevant for a task t if there is a substitution σ such that σ(t) =task(m). ...
arXiv:0909.0682v1
fatcat:nkmy5zlu2bespfsronur3h5inq
A Planner for Implementing Semantic Service Agents based on Semantic Web Services Initiative Architecture
2006
European Workshop on Multi-Agent Systems
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The developed planner has the capability of executing plans consisting of special tasks for semantic service agents in a way that described in SWSA. ...
The Semantic Web Services Initiative Architecture (SWSA) describes the overall process of discovering and interacting with Semantic Web services in three phases and denes a conceptual model to accomplish ...
Consider the HTN plan for reserving a hotel room shown in Fig. 7 . ...
dblp:conf/eumas/GurcanKGED06
fatcat:apqc7ixc5nhazgkry5hngnnxw4
A Framework for Intelligent Web Services: Combined HTN and CSP Approach
2006
2006 IEEE International Conference on Web Services (ICWS'06)
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In this paper, we describe a new framework for intelligent semantic Web services that supports the planning and scheduling aspects by a combined HTN planner and CSP. ...
The framework covers all of the procedures needed to deal with a user's request, including domain analysis of the request, task flow decisions and CSP creation by the planner, and solving the CSP by a ...
method for the problem, planning from a KB or from available Semantic Web rules. ...
doi:10.1109/icws.2006.6
dblp:conf/icws/PaikMH06
fatcat:3m3oyk3s3rbzloy4rmyrmtils4
"Semantics Inside!" But Let's Not Tell the Data Miners: Intelligent Support for Data Mining
[chapter]
2014
Lecture Notes in Computer Science
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workflows and quick-fixes, reinforcing the finding that even a little semantic modeling can go a long way in improving the understanding of a domain even for domain experts. ...
that allows to describe operators and build a task/method decomposition grammar to specify the desired workflows embedded in an ontology. ...
The DMWF-HTN ontology (see Figure 1b ) is used to define the tasks and methods for planning. HTN planning is like a top-down grammar that specifies the skeleton or template of workflows. ...
doi:10.1007/978-3-319-07443-6_47
fatcat:v4c3admeirguxgx2o7rhrnyofe
Stigmergic Modeling of Hierarchical Task Networks
[chapter]
2010
Lecture Notes in Computer Science
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We show how stigmergic agents can plan over a hierarchical task network, a resource-oriented dialect of the TAEMS language. Our results reveal an important distinction among HTN's. ...
Graphs are a convenient formalism for stigmergic environments. Can we can use an HTN directly as a stigmergic environment. ...
Commonly, a single agent is responsible for each event in an HTN. A task may have subtasks executed by different agents, but the atomic events (the methods) are the responsibility of single agents. ...
doi:10.1007/978-3-642-13553-8_9
fatcat:zay4ravou5girmrol4qcwf4pci
HAUTO: Automated composition of convergent services based in HTN planning
2014
Ingeniería e Investigación
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instance, the automated composition module based on HTN planning and the execution environment for convergent (Web and telecom) services. ...
HAUTO is based in HTN (hierarchical task networks) Automated Planning and is composed of three modules: a request processing module that transforms natural language and context information into a planning ...
Acknowledgements The authors thank the University of East London and University of Cauca for supporting this project. ...
doi:10.15446/ing.investig.v34n1.42782
fatcat:2ksmhk4wkzbxfiuijhz3wu4h3e
Optimizing Web Service Composition While Enforcing Regulations
[chapter]
2009
Lecture Notes in Computer Science
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In this paper we present an approach to Web service composition that builds on work using AI planning, and more specifically Hierarchical Task Networks (HTNs), for Web service composition. ...
A significant advantage of our approach is that it provides much of the how-to knowledge of a choreography while enabling customization and optimization of integrated Web service selection and composition ...
We thank our colleague Jorge Baier for helpful discussion. ...
doi:10.1007/978-3-642-04930-9_38
fatcat:ga6eapdfgvbfrd5rfi57mlkwni
Towards Automated Service Matchmaking and Planning for Multi-Agent Systems with OWL-S – Approach and Challenges
[chapter]
2014
Lecture Notes in Computer Science
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In this paper we discuss the shortcomings of the semantic service selection component SeMa 2 , propose improvements and describe an integration concept into a multiagent framework. ...
Further, we illustrate how this system can be extended by an automated service composition component using methods from the AI planning community. ...
For service composition it uses a combination of a Fast-Forward-planner and an HTN planner. ...
doi:10.1007/978-3-319-06859-6_21
fatcat:3pzpj4efpfherirusq7m2kga2e
Addendum to "HTN Acting: A Formalism and an Algorithm"
[article]
2021
arXiv
pre-print
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Hierarchical Task Network (HTN) planning is a practical and efficient approach to planning when the 'standard operating procedures' for a domain are available. ...
There has been renewed interest in making HTN planners behave more like BDI agent systems, e.g. to have a unified representation for acting and planning. ...
This paper presents a formal semantics that builds on the core HTN semantics in order to enable such response and recovery. ...
arXiv:1806.02127v2
fatcat:a2nfskf35vetbgnp3n73bt6cne
HDDL: An Extension to PDDL for Expressing Hierarchical Planning Problems
2020
PROCEEDINGS OF THE THIRTIETH AAAI CONFERENCE ON ARTIFICIAL INTELLIGENCE AND THE TWENTY-EIGHTH INNOVATIVE APPLICATIONS OF ARTIFICIAL INTELLIGENCE CONFERENCE
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systems, because the modeling process is less tedious (due to the lack of advice) and there is no (or less) commitment to a certain planning system the model is created for. ...
However, these advantages are destroyed by the lack of a common input language and feature set supported by the different systems. ...
Acknowledgements This work was partly funded by the technology transfer project "Do it yourself, but not alone: Companion-Technology for DIY support" of the SFB/TRR 62 funded by the German Research Foundation ...
doi:10.1609/aaai.v34i06.6542
fatcat:qlsvozotdva2vhde6fer3a4yn4
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