Exemplo n.º 1
0
def score_mln(mln, role, test_dbs):
    num_queries = len(mln.domains[role + "_d"])
    domain_values = set(deepcopy(mln.domains[role + "_d"]))
    ranks = {}
    for idx in range(len(test_dbs)):
        db = test_dbs[idx]
        instance_ranks = {}
        for idq in range(num_queries - 1):
            try:
                wcsp = MLNQuery(queries=role,
                                verbose=False,
                                mln=mln,
                                db=db,
                                method="WCSPInference").run()
                predicted = extract_predicted(mln, wcsp.results)
            except AssertionError as e:
                print(e)
                pdb.set_trace()
            instance_ranks[predicted] = num_queries - idq
            db[role + "(" + predicted + ")"] = 0.0
        missing = domain_values.difference(set(instance_ranks.keys()))
        try:
            assert len(missing) == 1, "missing queries"
            instance_ranks[list(missing)[0]] = 1
        except AssertionError as e:
            print(e)
            pdb.set_trace()
        ranks[idx] = deepcopy(instance_ranks)
    return ranks
Exemplo n.º 2
0
    def mlnquery(self, config=None, verbose=None, **params):
        '''
        Wrapper for MLNQuery to replace the resultdb of the inference object
        with an MLN Database casted to a PRACDatabase

        :param config:  the configuration file for the inference
        :param verbose: boolean value whether verbosity logs will be
                        printed or not
        :param params:  dictionary of additional settings
        :return:        the inference object
        '''

        infer = MLNQuery(config=config, verbose=verbose, **params).run()
        pracdb = PRACDatabase(self.prac, db=infer.resultdb)
        infer._resultdb = pracdb
        return infer
Exemplo n.º 3
0
from pracmln import MLN
from pracmln import Database
from pracmln import MLNQuery

mln = MLN(mlnfile='./data/smokers/mlns/smoking_trained.mln',grammar='PRACGrammar', logic='FirstOrderLogic')
mln.write()

db = Database.load(mln,'./data/smokers/dbs/smoking-test.db')[0]
db.write()

print("Running Query...")
result = MLNQuery(mln=mln, db=db).run()
print(result)
Exemplo n.º 4
0
def test_reasoning():
    mln = MLN.load(files='./mln/alarm.mln')
    db = Database.load(mln, './mln/alarm.db')
    result = MLNQuery(mln=mln, db=db).run()
    result.write()
Exemplo n.º 5
0
        if ent_type == "r":
            db << "IsRoom(" + ent + ")"
        elif ent_type == "l":
            db << "IsLocation(" + ent + ")"
        elif ent_type == "o":
            db << "IsObject(" + ent + ")"
        elif ent_type == "a":
            db << "IsAction(" + ent + ")"
        elif ent_type == "s":
            db << "IsState(" + ent + ")"
        else:
            print("Error: Unknown entity type for evidence!")
            exit()
    for triple_idx in range(triples.shape[0]):
        triple = triples[triple_idx]
        h = i2e[triple[0]]
        r = i2r[triple[1]]
        t = i2e[triple[2]]
        db << r + "(" + h + ", " + t + ")"

    # runs the learning on the markov logic network to get weights
    start_time = time.time()
    # learned_result = MLNLearn(mln=mln, db=db, verbose=True, save=True, method="BPLL_CG", output_filename="r_learned_weights.mln", multicore=True).run()
    # learned_result.tofile("r_learned_weights.mln")
    learned_result = MLN.load("learned_weights.mln")
    MLNQuery(queries="OperatesOn(sink-l,carrot-o)",
             verbose=True,
             mln=learned_result,
             db=db).run()
    print(" ---- %s seconds ---- " % (time.time() - start_time))
    pdb.set_trace()
Exemplo n.º 6
0
    fs = open(learndFileName, 'w')
    learndMLN.write(stream=fs)
    fs.close()

    ######################################
    ## testing of mln
    ######################################
    testDB = Database.load(learndMLN, testFileName)

    dbpredList = []
    dbgtList = []
    for db in testDB:
        result = MLNQuery(mln=learndMLN,
                          db=db,
                          method='WCSPInference',
                          multicore=True,
                          queries='object',
                          verbose=True).run()

        ## find best result
        thisDBObjList = gtList[pIdx]
        for entry in thisDBObjList:
            predObj = entry
            objVal = result.results[entry]
            for k, v in result.results.iteritems():
                if k.find(entry.split(',')[0]) != -1:
                    if v > objVal:
                        predObj = k
            predictionList.append(predObj)
            dbpredList.append(predObj)
            groundTruthList.append(entry)