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Changed format of readme file for STRIPS encodings to Markdown.

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Patrick Lühne 2016-11-16 23:27:45 +01:00
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encodings/strips/README → encodings/strips/README.md
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# Incremental STRIPS Planning Encodings
This suite of incremental STRIPS planning encodings implements diverse methods. This suite of incremental STRIPS planning encodings implements diverse methods.
The included encoding files provide the following functionalities: The included encoding files provide the following functionalities:
- preprocess.lp: static analysis of potentially relevant actions ## Encodings
+ Parameters: _closure (default value: '3')
* Value '1': forward chaining of effects w.r.t. initial variable values ### [preprocess.lp](preprocess.lp): static analysis of potentially relevant actions
* Value '2': backward regression of effects w.r.t. goal variable values
* Value '3': both forward chaining and backward regression of effects * Parameters: `_closure` (default value: `3`)
* Value `1`: forward chaining of effects w.r.t. initial variable values
* Value `2`: backward regression of effects w.r.t. goal variable values
* Value `3`: both forward chaining and backward regression of effects
* Otherwise: off (simply take all actions as given) * Otherwise: off (simply take all actions as given)
- strips-incremental.lp: sequential and parallel planning encoding variants ### [strips-incremental.lp](strips-incremental.lp): sequential and parallel planning encoding variants
+ Parameters: _parallel (default value: '0') * Parameters: `_parallel` (default value: `0`)
* Value '1': "forall" parallel actions that can be arranged in any sequence * Value `1`: “forall” parallel actions that can be arranged in any sequence
* Value '2': "exists" parallel actions that can be arranged in some sequence * Value `2`: “exists” parallel actions that can be arranged in some sequence
* Otherwise: sequential actions * Otherwise: sequential actions
- redundancy.lp: enforcement of 'redundant' actions to constrain parallel plans ### [redundancy.lp](redundancy.lp): enforcement of ‘redundant’ actions to constrain parallel plans
+ Remarks: * Remarks:
* Only relevant together with parallel actions * Only relevant together with parallel actions
* Encoded constraints seem rather ineffective though * Encoded constraints seem rather ineffective though
* Heavy space overhead in combination with "exists" parallel actions * Heavy space overhead in combination with “exists” parallel actions
- postprocess.lp: plan feasibility checking and conversion to sequential plan ### [postprocess.lp](postprocess.lp): plan feasibility checking and conversion to sequential plan
================================================================================ ## Usage Examples
Some example invocations (using clingo 5.1.0) are as follows: Some example invocations (using `clingo` 5.1.0) are as follows:
```bash
plasp ../../instances/PDDL/ipc-2000-elevator-m10-strips/domain.pddl ../../instances/PDDL/ipc-2000-elevator-m10-strips/problem-04-00.pddl | clingo - preprocess.lp strips-incremental.lp plasp ../../instances/PDDL/ipc-2000-elevator-m10-strips/domain.pddl ../../instances/PDDL/ipc-2000-elevator-m10-strips/problem-04-00.pddl | clingo - preprocess.lp strips-incremental.lp
plasp ../../instances/PDDL/ipc-2000-elevator-m10-strips/domain.pddl ../../instances/PDDL/ipc-2000-elevator-m10-strips/problem-04-00.pddl | clingo - preprocess.lp strips-incremental.lp -c _closure=0 plasp ../../instances/PDDL/ipc-2000-elevator-m10-strips/domain.pddl ../../instances/PDDL/ipc-2000-elevator-m10-strips/problem-04-00.pddl | clingo - preprocess.lp strips-incremental.lp -c _closure=0
@ -47,3 +53,4 @@ plasp ../../instances/PDDL/ipc-2000-elevator-m10-strips/domain.pddl ../../instan
plasp ../../instances/PDDL/ipc-2000-elevator-m10-strips/domain.pddl ../../instances/PDDL/ipc-2000-elevator-m10-strips/problem-04-00.pddl | clingo - preprocess.lp strips-incremental.lp --outf=1 -c _parallel=1 | grep -A1 -e "ANSWER" | tail -n1 | clingo - postprocess.lp <(plasp ../../instances/PDDL/ipc-2000-elevator-m10-strips/domain.pddl ../../instances/PDDL/ipc-2000-elevator-m10-strips/problem-04-00.pddl) plasp ../../instances/PDDL/ipc-2000-elevator-m10-strips/domain.pddl ../../instances/PDDL/ipc-2000-elevator-m10-strips/problem-04-00.pddl | clingo - preprocess.lp strips-incremental.lp --outf=1 -c _parallel=1 | grep -A1 -e "ANSWER" | tail -n1 | clingo - postprocess.lp <(plasp ../../instances/PDDL/ipc-2000-elevator-m10-strips/domain.pddl ../../instances/PDDL/ipc-2000-elevator-m10-strips/problem-04-00.pddl)
plasp ../../instances/PDDL/ipc-2000-elevator-m10-strips/domain.pddl ../../instances/PDDL/ipc-2000-elevator-m10-strips/problem-04-00.pddl | clingo - preprocess.lp strips-incremental.lp --outf=1 -c _parallel=2 | grep -A1 -e "ANSWER" | tail -n1 | clingo - postprocess.lp <(plasp ../../instances/PDDL/ipc-2000-elevator-m10-strips/domain.pddl ../../instances/PDDL/ipc-2000-elevator-m10-strips/problem-04-00.pddl) plasp ../../instances/PDDL/ipc-2000-elevator-m10-strips/domain.pddl ../../instances/PDDL/ipc-2000-elevator-m10-strips/problem-04-00.pddl | clingo - preprocess.lp strips-incremental.lp --outf=1 -c _parallel=2 | grep -A1 -e "ANSWER" | tail -n1 | clingo - postprocess.lp <(plasp ../../instances/PDDL/ipc-2000-elevator-m10-strips/domain.pddl ../../instances/PDDL/ipc-2000-elevator-m10-strips/problem-04-00.pddl)
```