def parse_background_knowledge_keys(
file_name: Optional[str] = None,
prediction_goal: Optional[Term] = None) -> BackgroundKnowledgeWrapper:
if file_name is None:
return BackgroundKnowledgeWrapper()
logic_program = PrologFile(file_name)
if prediction_goal is not None:
prediction_goal_functor = prediction_goal.functor # type: str
found_a_prediction_goal_clause = False
prediction_goal_clauses = SimpleProgram()
stripped_logic_program = SimpleProgram()
for prolog_statement in logic_program:
if str(prolog_statement).startswith(prediction_goal_functor):
found_a_prediction_goal_clause = True
prediction_goal_clauses += prolog_statement
else:
stripped_logic_program += prolog_statement
if found_a_prediction_goal_clause:
return BackgroundKnowledgeWrapper(
logic_program=stripped_logic_program,
prediction_goal_clauses=prediction_goal_clauses)
else:
return BackgroundKnowledgeWrapper(logic_program=logic_program)
else:
return BackgroundKnowledgeWrapper(logic_program=logic_program)
def __init__(self,
pos_examples,
neg_examples,
extra_terms=[],
target_name='target'):
# Define the language of terms
self.target = Term(target_name)
self.equal = Term('equal')
self.pos_examples = pos_examples
self.neg_examples = neg_examples
self.examples = pos_examples + neg_examples
self.extra_terms = extra_terms
#TODO: check extra terms arity, if greater than target arity, create more variables
n_target_variables = len(self.examples[0])
target_variables_names = [
'X' + str(i) for i in range(1, n_target_variables + 1)
]
self.X = list(map(Var, target_variables_names))
constants = set()
for example in self.examples:
constants.update(example)
self.c = list(map(Term, [str(constant) for constant in constants]))
# Initialize the logic program
self.pl = SimpleProgram()
self.pl += self.equal(self.X[0], self.X[0])
self.pl += self.target(*tuple(self.X))
for extra_term in self.extra_terms:
self.pl += PrologString(extra_term)
self.predicates = [self.equal] # + list(extra_terms.keys())
self.engine = DefaultEngine()
self.db = self.engine.prepare(self.pl)
self.original_rule = list(self.pl)[1]
self.new_body_literals = []
print(list(self.pl))
def create_rules(xs, ys):
X, Y, Z = map(Var, ["X", "Y", "Z"])
sp = SimpleProgram()
sp += xs["myself"](X, Y) << xs["myself"](X, Y)
sp += xs["husband"](X, Y) << xs["wife"](Y, X)
sp += xs["wife"](X, Y) << xs["husband"](Y, X)
sp += xs["couple"](X, Y) << (xs["husband"](X, Y) | xs["wife"](X, Y))
sp += xs["couple"](X, Y) << xs["couple"](Y, X)
sp += xs["son"](X, Y) << (xs["son"](X, Y) |
(xs["couple"](X, Z) & xs["son"](Z, Y)))
sp += xs["daughter"](X, Y) << (xs["daughter"](X, Y) |
(xs["couple"](X, Z) & xs["daughter"](Z, Y)))
sp += xs["child"](X, Y) << (xs["son"](X, Y) | xs["daughter"](X, Y))
sp += xs["child"](X, Y) << (xs["father"](Y, X) | xs["mother"](Y, X))
sp += xs["child"](X, Y) << (xs["couple"](X, Z) & xs["child"](Z, Y))
sp += xs["parent"](X, Y) << xs["child"](Y, X)
sp += xs["mother"](X, Y) << (xs["wife"](Z, Y) & xs["child"](Y, X))
sp += xs["father"](X, Y) << (xs["husband"](Z, Y) & xs["child"](Y, X))
sp += xs["sibling"](X, Y) << (xs["parent"](X, Z) & xs["parent"](Y, Z))
sp += xs["grandfather"](X, Y) << (xs["father"](X, Z) & xs["father"](Z, Y))
sp += xs["grandmother"](X, Y) << (xs["father"](X, Z) & xs["mother"](Z, Y))
sp += xs["grandparents"](
X, Y) << (xs["grandfather"](X, Y) | xs["grandmother"](X, Y))
sp += xs["grandson"](X, Y) << (xs["son"](X, Z) & xs["son"](Z, Y))
sp += xs["granddaughter"](X, Y) << (xs["son"](X, Z) & xs["daughter"](Z, Y))
sp += xs["grandchildren"](X, Y) << (xs["son"](X, Z) & xs["child"](Z, Y))
sp += xs["grandfather_"](X, Y) << (xs["mother"](X, Z) & xs["father"](Z, Y))
sp += xs["grandmother_"](X, Y) << (xs["mother"](X, Z) & xs["mother"](Z, Y))
sp += xs["grandparents_"](
X, Y) << (xs["grandfather_"](X, Y) | xs["grandmother_"](X, Y))
sp += xs["grandson_"](X, Y) << (xs["daughter"](X, Z) & xs["son"](Z, Y))
sp += xs["granddaughter_"](
X, Y) << (xs["daughter"](X, Z) & xs["daughter"](Z, Y))
sp += xs["grandchildren_"](X,
Y) << (xs["daughter"](X, Z) & xs["child"](Z, Y))
sp += xs["son-wife"](X, Y) << (xs["husband"](Y, Z) & xs["parent"](Z, X))
sp += xs["daughter-husband"](X,
Y) << (xs["wife"](Y, Z) & xs["parent"](Z, X))
sp += xs["daughter-husband"](X,
Y) << (xs["wife"](Y, Z) & xs["parent"](Z, X))
sp += xs["husband-mother"](X,
Y) << (xs["husband"](X, Z) & xs["mother"](Z, Y))
sp += xs["husband-father"](X,
Y) << (xs["husband"](X, Z) & xs["father"](Z, Y))
sp += xs["wife-mother"](X, Y) << (xs["wife"](X, Z) & xs["mother"](Z, Y))
sp += xs["wife-father"](X, Y) << (xs["wife"](X, Z) & xs["father"](Z, Y))
sp += xs["wife"](ys["林爸爸"], ys["林媽媽"]) # 林媽媽 是 林爸爸 的 妻子
sp += xs["son"](ys["林爸爸"], ys["林本人"]) # 林本人 是 林爸爸 的 兒子
sp += xs["daughter"](ys["林媽媽"], ys["林妹妹"]) # 林妹妹 是 林媽媽 的 女兒
sp += xs["husband"](ys["林太太"], ys["林本人"]) # 林本人 是 林太太 的 丈夫
sp += xs["father"](ys["林囡囡"], ys["林本人"]) # 林本人 是 林囡囡 的 爸爸
sp += xs["husband"](ys["林妹妹"], ys["男朋友"]) # 男朋友 是 林妹妹 的 丈夫
sp += xs["mother"](ys["林太太"], ys["張媽媽"]) # 張媽媽 是 林太太 的 媽媽
sp += xs["wife"](ys["張爸爸"], ys["張媽媽"]) # 張媽媽 是 張爸爸 的 妻子
return sp
def __init__(self,
background_knowledge: Optional[LogicProgram] = None,
engine: GenericEngine = None):
super().__init__(engine=engine)
if background_knowledge is None:
self.db = self.engine.prepare(SimpleProgram()) # type: ClauseDB
else:
self.db = self.engine.prepare(background_knowledge) # type: ClauseDB
self.db += Term('query')(self.to_query)
def parse_background_knowledge_models(
file_name: Optional[str] = None,
possible_labels: Optional[Iterable[Term]] = None
) -> BackgroundKnowledgeWrapper:
if file_name is None:
return BackgroundKnowledgeWrapper()
logic_program = PrologFile(file_name)
if possible_labels is not None:
possible_labels_str = [str(label)
for label in possible_labels] # type: List[str]
found_a_prediction_clause = False
prediction_goal_clauses = SimpleProgram()
stripped_logic_program = SimpleProgram()
for prolog_statement in logic_program:
is_prediction_clause = False
for possible_label_str in possible_labels_str:
if str(prolog_statement).startswith(possible_label_str):
is_prediction_clause = True
found_a_prediction_clause = True
break
if is_prediction_clause:
prediction_goal_clauses += prolog_statement
else:
stripped_logic_program += prolog_statement
if found_a_prediction_clause:
return BackgroundKnowledgeWrapper(
logic_program=stripped_logic_program,
prediction_goal_clauses=prediction_goal_clauses)
else:
return BackgroundKnowledgeWrapper(logic_program=logic_program)
else:
return BackgroundKnowledgeWrapper(logic_program=logic_program)
def add_literal_to_goal(self, literal):
if len(self.new_body_literals) == 0:
new_goal = self.original_rule << literal
else:
new_body = literal
for l in self.new_body_literals:
new_body = new_body & l
new_goal = self.original_rule << new_body
new_pl = SimpleProgram()
new_pl += list(self.pl)[0]
new_pl += new_goal
new_db = self.engine.prepare(new_pl)
return new_db, new_pl
def convert_tree_to_simple_program(
self, tree_root: TreeNode,
language: TypeModeLanguage) -> SimpleProgram:
if self.debug_printing:
print('\n=== START conversion of tree to program ===')
print('tree to be converted:')
print(str(tree_root))
self.predicate_generator = get_predicate_generator(language)
self.program = SimpleProgram()
self._decision_tree_to_simple_program(tree_root)
if self.debug_printing:
print('resulting program:')
for statement in self.program:
print(statement)
print('=== END conversion of tree to program ===\n')
return self.program
def parse(self, program=SimpleProgram()):
cb = ClauseBuilder(self.__triple_mode)
term_dict = dict()
for row in self.__data:
for triple in row:
if term_dict.get(triple[1]) is None:
term_dict[triple[1]] = get_type(triple[1])
if term_dict.get(triple[0]) is None:
term_dict[triple[0]] = get_type(triple[0])
if term_dict.get(triple[2]) is None:
term_dict[triple[2]] = get_type(triple[2])
pred = term_dict[triple[1]]
subj = term_dict[triple[0]]
obj = term_dict[triple[2]]
program += cb.get_clause(subj, pred, obj)
return program
def convert_tree_to_simple_program(tree_root: TreeNode,
language: TypeModeLanguage,
debug_printing=False) -> SimpleProgram:
if debug_printing:
print('\n=== START conversion of tree to program ===')
print('tree to be converted:')
print(str(tree_root))
predicate_generator = get_predicate_generator(language)
program = SimpleProgram()
decision_tree_to_simple_program(tree_root,
program,
predicate_generator,
debug_printing=debug_printing)
if debug_printing:
print('resulting program:')
for statement in program:
print(str(statement) + ".")
print('=== END conversion of tree to program ===\n')
return program
def get_full_background_knowledge_simple_program(
self) -> Optional[SimpleProgram]:
if not self.has_background_knowledge():
return None
elif self.logic_program is not None and self.prediction_goals_clauses is not None:
full_bg_kw = SimpleProgram()
for lp_statement in self.logic_program:
full_bg_kw += lp_statement
for pgc_statement in self.prediction_goals_clauses:
full_bg_kw += pgc_statement
return full_bg_kw
elif self.logic_program is not None:
return self.logic_program
else:
return self.prediction_goals_clauses
from problog.program import SimpleProgram from mai_version.probeersel.mach_tests.mach_definitions_logic import worn, replaceable, gear, engine, chain, control_unit, wheel ex1, ex2, ex3, ex4, ex5, ex6, ex7, ex8, ex9, ex10 = SimpleProgram(), SimpleProgram(), SimpleProgram(), SimpleProgram(), SimpleProgram(), SimpleProgram(), SimpleProgram(), SimpleProgram(), SimpleProgram(), SimpleProgram() ex1 += worn(gear) ex1 += worn(engine) ex1 += replaceable(gear) ex3 += worn(gear) ex4 += worn(engine) ex5 += worn(gear) ex5 += worn(chain) ex6 += worn(wheel) ex7 += worn(wheel) ex7 += worn(control_unit) ex9 += worn(wheel) ex9 += worn(chain) ex10 += worn(engine) ex10 += worn(chain) examples = [ex1, ex2, ex3, ex4, ex5, ex6, ex7, ex8, ex9, ex10]
def __init__(self, background_knowledge: Optional[LogicProgram]=None, engine:GenericEngine = None):
super().__init__(engine=engine)
if background_knowledge is None:
self.db = self.engine.prepare(SimpleProgram())
else:
self.db = self.engine.prepare(background_knowledge)
def __init__(self, label=None, key: Optional = None, logic_program: LogicProgram = None):
if logic_program is None:
logic_program = SimpleProgram()
super().__init__(label=label, key=key, logic_program=logic_program)
from problog.program import SimpleProgram, PrologString, LogicProgram, PrologFile
from problog.logic import Constant, Var, Term, AnnotatedDisjunction
from problog import get_evaluatable
true = Term('true')
ok = Term('ok')
query = Term('query')
p = PrologFile("Try.pl")
x = [p]
for i in range(0, 2):
s = SimpleProgram()
brand = Term('brand')
ind = Term('ind')
prop = Term('prop')
query = Term('query')
X = Var('X')
ford = Term('ford')
seat = Term('seat')
suzuki = Term('suzuki')
audi = Term('audi')
fiat = Term('fiat')
s = SimpleProgram()
s += AnnotatedDisjunction([
prop(ind, brand, ford, p=0.222222222222222),
prop(ind, brand, seat, p=0.222222222222222),
prop(ind, brand, suzuki, p=0.222222222222222),
prop(ind, brand, audi, p=0.222222222222222),
prop(ind, brand, fiat, p=0.111111111111111)
], true)
if i == 1:
# -*- coding: utf-8 -*-
"""
Created on Fri Jan 31 14:04:54 2020
@author: PasqualeDeMarinis
"""
from problog.program import SimpleProgram
from problog.logic import Constant, Var, Term, AnnotatedDisjunction
from problog import get_evaluatable
coin, heads, tails, win, query = Term('coin'), Term('heads'), Term(
'tails'), Term('win'), Term('query')
C = Var('C')
p = SimpleProgram()
p += coin(Constant('c1'))
p += coin(Constant('c2'))
p += AnnotatedDisjunction([heads(C, p=0.4), tails(C, p=0.6)], coin(C))
p += (win << heads(C))
p += query(coin(C))
r = get_evaluatable().create_from(p).evaluate()
print(r)
""" Simple ProbLog code for a classifying a machine example using Problog code to encode the rules """ from problog.program import SimpleProgram from mai_version.representation.example import SimpleProgramExampleWrapper from mai_version.probeersel.mach_tests.mach_definitions_logic import * from mai_version.classification.classification import get_labels_single_example_models ex1 = SimpleProgram() ex1 += worn(gear) ex1 += worn(engine) ex1 += replaceable(gear) rules = SimpleProgram() rules += (p0 << worn(X)) rules += (p1 << (worn(X) & ~replaceable(X))) rules += (sendback << (worn(X) & ~replaceable(X))) rules += (fix << (worn(X) & ~p1)) rules += (ok << ~p0) possible_labels = [sendback, fix, ok] labels = get_labels_single_example_models(ex1, rules, possible_labels) print(labels)
my_uniform(0,10)::a.
0.5::b.
c :- value(a, A), A >= 3; b.
query(a).
query(b).
query(c).
"""
modeltext_new = """
0.5::b.
c :- value(a, A), A >= 3; b.
query(a).
query(b).
query(c).
"""
s = SimpleProgram()
unif = Term('my_uniform')(Constant(0),Constant(10))
a = Term('a', p=unif)
s += a
for clause in PrologString(modeltext_new):
s += clause
model = PrologString(modeltext)
# Pass the mapping between name and function using the distributions parameter.
x = list(PrologString(modeltext).__iter__())
x2 = list(s.__iter__())
result = list(sample.sample(model, n=3, format='dict', distributions={'my_uniform': integer_uniform}))
result2 = list(sample.sample(s, n=3, format='dict', distributions={'my_uniform': integer_uniform}))
# ex1.label = fix # # ex2 += worn(engine) # ex2 += worn(chain) # ex2.label = sendback # # ex3 += worn(wheel) # ex3.label = sendback # # ex4.label = ok labeled_examples = [ex1, ex2, ex3, ex4] possible_targets = [fix, sendback, ok] background_knowledge = SimpleProgram() background_knowledge += replaceable(gear) background_knowledge += replaceable(chain) background_knowledge += not_replaceable(engine) background_knowledge += not_replaceable(wheel) # Machine language language_machines = TypeModeLanguage(False) # manually adding the types worn_type_sign = 'worn' worn_type_args = ['part'] # type: TypeArguments language_machines.add_types(worn_type_sign, worn_type_args) replaceable_type_sign = 'replaceable'
from problog.program import SimpleProgram
from mai_version.refinement.RefinementController import *
X = Var('X')
Y = Var('Y')
Z = Var('Z')
sendback, fix, ok, worn, replaceable = \
Term('sendback'), Term('fix'), Term('ok'), Term('worn'), Term('replaceable')
not_replaceable = Term('not_replaceable')
initial_query = SimpleProgram()
initial_query += Term('true')
conj_1 = replaceable(X)
dict_1 = {X.name: '-'}
rmode_1 = RefinementMode(5, conj_1, dict_1)
conj_2 = not_replaceable(X)
dict_2 = {X: '-'}
rmode_2 = RefinementMode(5, conj_2, dict_2)
conj_3 = not_replaceable(X)
dict_3 = {X: '-'}
rmode_3 = RefinementMode(5, conj_3, dict_3)
r_controller = RefinementController([rmode_1, rmode_2, rmode_3])
literal = Term('test')(X, Y, Z)
def to_simple_program(self, program=SimpleProgram(), triple_mode=False):
for prop in self.values():
program += prop.to_clause(triple_mode)
return program
