Comments (5)
hi @sunyi000 can you tell us more about your command line and config file? what command line did you use? what is the content of the your config file? maybe you have not configured a reasoner?
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thank you @SimonBin
It is my very first attempt to use dllearner. I just download it and used the 'cli' utility in dllearner-1.4.0's bin folder.
I used the father_oe_inv.conf as the template and just changing the values for my own ontology.
I noticed the reasoner in that file is {ks} but not sure what does it mean..basically I wanted to use pallet reasoner.
Thanks again for your help. Probably I will need more reading on dllearner :)
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can you first verify, does the original father_oe_inv.conf work :-)
if it does, you have to understand better the config. we can better help you if you show your config. you can also look at some more conf files and/or refer the configOptions documentation
from dl-learner.
yes the original father_oe_inv.conf works..
I'm trying different config options and hopefully to find out what was wrong...
my conf file looks like below.. thanks
// declare some prefixes to use as abbreviations
prefixes = [ ("wo","file:///home/ubuntu/water-data/water-training/") ]
// knowledge source definition
ks.type = "OWL File"
ks.fileName = "water.ttl"
// reasoner
reasoner.type = "closed world reasoner"
reasoner.sources = { ks }
// learning problem
lp.type = "clp"
lp.classToDescribe = "wo:IndustryDischarge"
accuracyMethod.type = "fmeasure"
// refinement operator
op.type = "rho"
op.useInverse = true
op.useHasValueConstructor = true
// create learning algorithm to run
alg.type = "celoe"
alg.writeSearchTree = true
alg.replaceSearchTree = true
alg.searchTreeFile = "/tmp/celoe-water.txt"
from dl-learner.
the immediate cause for the error you get, is that the ssn and sosa ontologies define anonymous foaf:Agent instances, and pellet will error out with this error when encountering anonymous (blank node) individuals.
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