Ejemplo n.º 1
0
def main(args=["E:\\workspace\\spf\\geoquery"]):
    resource_dir = os.path.join(args[0], "resources/")
    experiments_dir = os.path.join(args[0], "experiments/")
    data_dir = os.path.join(experiments_dir, "data")

    types_files = os.path.join(resource_dir, "geo.types")
    predicate_ontology = os.path.join(resource_dir, "geo.preds.ont")
    simple_ontology = os.path.join(resource_dir, "geo.consts.ont")

    LogicLanguageServices.set_instance(
        LogicLanguageServices.Builder(TypeRepository(types_files), FlexibleTypeComparator())
            .add_constants_to_ontology(simple_ontology)
            .add_constants_to_ontology(predicate_ontology)
            .set_numeral_type_name("i")
            .close_ontology(True)
            .build()
    )

    expr = LogicalExpressionBuilder.read("(size:<lo,i> (argmax:<<e,t>,<<e,i>,e>> (lambda $0:e (and:<t*,t> (city:<c,t> $0) (loc:<lo,<lo,t>> $0 alaska:s))) (lambda $1:e (size:<lo,i> $1))))")

    import sys
    sys.exit(0)

    category_services = LogicalExpressionCategoryServices(True, True)
    unfactored_constants = {LogicalConstant.read("the:<<e,t>,e>"), LogicalConstant.read("exists:<<e,t>,t>")}

    FactoredLexiconServices.set(unfactored_constants)

    read_lexicon = Lexicon()

    def text_filter(x):
        return x

    read_lexicon.add_entries_from_file(os.path.join(resource_dir, "seed.lex"), text_filter, category_services,
                                       LexicalEntry.Origin.FIXED_DOMAIN)
Ejemplo n.º 2
0
        def build(self):
            """
            Method for building a LogicLanguageServices

            :return: spf.mr.lambda_.logic_language_services.LogicLanguageServices
            """
            conjunction_predicate = LogicalConstant.read('and:<t*,t>', self.type_repository)
            disjunction_predicate = LogicalConstant.read('or:<t*,t>', self.type_repository)
            negation_predicate = LogicalConstant.read('not:<t,t>', self.type_repository)
            index_increase_predicate = LogicalConstant.read('inc:<%s,%s>' % (
                self.type_repository.get_index_type().get_name(),
                self.type_repository.get_index_type().get_name()), self.type_repository)

            true_constant = LogicalConstant.create('true:t', self.type_repository.get_truth_value_type())
            false_constant = LogicalConstant.create('false:t', self.type_repository.get_truth_value_type())

            if len(self.constants_files) == 0:
                ontology = None
                if self.ontology_closed:
                    raise RuntimeError('Closed ontology requested, but no logical constants were provided.')
            else:
                constants = self.read_constants_from_files(self.constants_files, self.type_repository)
                constants.add(conjunction_predicate)
                constants.add(disjunction_predicate)
                constants.add(negation_predicate)
                constants.add(index_increase_predicate)
                constants.add(true_constant)
                constants.add(false_constant)
                ontology = Ontology(constants, self.ontology_closed)

            return LogicLanguageServices(self.type_repository,
                                         self.numeral_type_name,
                                         self.type_comparator,
                                         ontology,
                                         conjunction_predicate,
                                         disjunction_predicate,
                                         negation_predicate,
                                         index_increase_predicate,
                                         true_constant,
                                         false_constant,
                                         self.printer)
Ejemplo n.º 3
0
        def read_constants_from_file(cls, filename, type_repository):
            stripped_file = ''
            for line in open(filename, 'r'):
                line = line.strip()
                line = re.split('\\s*//', line)[0]
                if len(line) != 0:
                    stripped_file += line + " "

            ret = set()
            lisp_reader = LispReader(StringIO(stripped_file))
            while lisp_reader.has_next():
                expr = LogicalConstant.read(lisp_reader.next(), type_repository)
                ret.add(expr)
            return ret
Ejemplo n.º 4
0
 def read(line, origin):
     equals_index = line.find("=")
     tokens_string, constants_string = line[1: equals_index - 1], line[equals_index + 2: -1]
     tokens = tokens_string.split(", ")
     constants = [LogicalConstant.read(constant) for constant in constants_string.split()]
     return Lexeme(tokens, constants, origin)