Comments (4)
The backward chainer already somewhat supports that, i.e. the user can pass an auxiliary atomspace where the trace is stored. This is for instance used in the inference control meta-learning experiment https://github.com/opencog/opencog/tree/master/examples/pln/inference-control-learning
For more info on how to do that see (help cog-bc)
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Regarding the forward chainer, the C++ code does some of that, but they are no scheme bindings for it. It could be added, although keep in mind that I eventually intend to merge the forward chainer into the backward chainer code (but that may far in the future, although I hope not).
from ure.
I found that forward chainer also writes some trace into current atomspace, though it is not possible to find how all premises became satisfied for current rule application.
from ure.
No inference control meta-learning experiments have been attempted with the forward chainer yet, so trace support is lacking.
from ure.
The following constitute a start of an API to extract FC traces
It just needs some work and being moved to the URE.
from ure.
Related Issues (20)
- BackwardChainerUTest fails to build referencing Atomtable HOT 3
- Unbalanced quotations
- Forward chainer is not stable against library changes. HOT 3
- The hyperlink to the term unifier in the README leads nowhere. HOT 1
- Support meta-rule in the URE HOT 11
- Add feature to enable/disable collection of Inference trails(Fcstat) in URE HOT 4
- Why not DualLink ? HOT 2
- Using GlobNode in Backward Chainer HOT 2
- forward chainer finds that Tweety is a green frog in examples/ure/frog HOT 2
- Remove focus set from URE? HOT 4
- URE compilation fails: warning: control reaches end of non-void function HOT 1
- Rule::unify_source method execution takes about 30% of ForwardChainer execution time HOT 6
- Add BackwardChainerGetLink
- Backward chainer takes super long in this case HOT 3
- Fix replacement example inference tree expansion
- Add python ure_logger bindings HOT 6
- test_conditional_instantiation_1 triggers warnings in pattern engine HOT 6
- Bogus always-false clauses HOT 1
- Possible bug in AndBIT::expand() HOT 1
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