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Title: Collaborative plans for complex group action
Author: Barbara J. Grosz and Sarit Kraus
Journal: Artificial Intelligence
Volume: 86
Number: 2
Pages: 269--357
Year: 1996
DOI: 10.1016/0004-3702(95)00103-4
Abstract: The original formulation of SharedPlans by B. Grosz and C. Sidner (1990) was developed to provide a model of collaborative planning in which it was not necessary for one agent to have intentions-to toward an act of a different agent. Unlike other contemporaneous approaches (J.R. Searle, 1990), this formulation provided for two agents to coordinate their activities without introducing any notion of irreducible joint intentions. However, it only treated activities that directly decomposed into single-agent actions, did not address the need for agents to commit to their joint activity, and did not adequately deal with agents having only partial knowledge of the way in which to perform an action. This paper provides a revised and expanded version of SharedPlans that addresses these shortcomings. It also reformulates Pollack's (1990) definition of individual plans to handle cases in which a single agent has only partial knowledge; this reformulation meshes with the definition of SharedPlans. The new definitions also allow for contracting out certain actions. The formalization that results has the features required by Bratman's (1992) account of shared cooperative activity and is more general than alternative accounts (H. Levesque et al., 1990; E. Sonenberg et al., 1992).

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@Article{grosz96a,
  author =	 {Barbara J. Grosz and Sarit Kraus},
  title =	 {Collaborative plans for complex group action},
  journal =	 {Artificial Intelligence},
  year =	 1996,
  volume =	 86,
  number =	 2,
  pages =	 {269--357},
  abstract =	 {The original formulation of SharedPlans by B. Grosz
                  and C. Sidner (1990) was developed to provide a
                  model of collaborative planning in which it was not
                  necessary for one agent to have intentions-to toward
                  an act of a different agent. Unlike other
                  contemporaneous approaches (J.R. Searle, 1990), this
                  formulation provided for two agents to coordinate
                  their activities without introducing any notion of
                  irreducible joint intentions. However, it only
                  treated activities that directly decomposed into
                  single-agent actions, did not address the need for
                  agents to commit to their joint activity, and did
                  not adequately deal with agents having only partial
                  knowledge of the way in which to perform an
                  action. This paper provides a revised and expanded
                  version of SharedPlans that addresses these
                  shortcomings. It also reformulates Pollack's (1990)
                  definition of individual plans to handle cases in
                  which a single agent has only partial knowledge;
                  this reformulation meshes with the definition of
                  SharedPlans. The new definitions also allow for
                  contracting out certain actions. The formalization
                  that results has the features required by Bratman's
                  (1992) account of shared cooperative activity and is
                  more general than alternative accounts (H. Levesque
                  et al., 1990; E. Sonenberg et al., 1992).},
  doi = 	 {10.1016/0004-3702(95)00103-4},
  cluster = 	 {15901008706817956704},
  url = 	 {http://jmvidal.cse.sc.edu/library/grosz96a.pdf},
  comment = 	 {IFMAS influential paper award},
}
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