This paper describes recent research on a natural-language-generation system that is based on planning. A system named KAMP is described that is capable of producing English sentences as part of a plan to enlist the cooperation of another agent in achieving a goal involving a change in the physical state of the world. The planner uses knowledge about the different subgoals to be achieved and li...

Language production processes can provide insight into how language comprehension works and language typology-why languages tend to have certain characteristics more often than others. Drawing on work in memory retrieval, motor planning, and serial order in action planning, the Production-Distribution-Comprehension (PDC) account links work in the fields of language production, typology, and com...

We propose revisions to the research agenda in Automated Planning. The proposal is based on a review of the role of the Planning Domain Definition Language (PDDL) in the activities of the AI planning community and the impact of PDDL on parts of its research agenda. We specifically show how specific properties of PDDL have impacted research on planning, by putting emphasis on certain research to...

One of the key components of the planning framework are a language to express planning goals. a language to specify resulting detailed plans.

1 SUMMARY In this project, we compare imperative (Python) and functional (Haskell) programming languages on solving the automated planning problems. Functional language is useful since the classical planning problem can be reduced to boolean satisfiability problem (SAT), where functional language and recursion provide a natural way of implementation. On the other hand, large-scale planning prob...

Research in planning has advanced rapidly over recent years, spurred partly by a series of international planning competitions and the convergence on empirical evaluation that this has encouraged. One of the most important contributions made by the competition sequence is the development of a community standard modelling language, PDDL. This language has been extended from a relatively simple a...

Planning Domain Definition Language (PDDL) is the most used language to encode and solve planning problems. In this paper we propose two PDDL-like languages that extend PDDL with new constructs such as static causal laws and time fluents with the aim of improving the expressivity of PDDL language. We study the complexity of the main computational problems related to the planning problem in the ...

This study aimed at examining the main and interaction effects of increased intentional reasoning demands, planning time, and also language learning aptitude on syntactic complexity, accuracy, lexical complexity, and fluency (CALF) of 226 EFL learners’ performance on letter writing tasks. The participants were first randomly assigned to three experimental groups to be given a task with differin...