def demo_model0():
global m0, g0
# Initialize a valuation of non-logical constants."""
v = [
('john', 'b1'),
('mary', 'g1'),
('suzie', 'g2'),
('fido', 'd1'),
('tess', 'd2'),
('noosa', 'n'),
('girl', set(['g1', 'g2'])),
('boy', set(['b1', 'b2'])),
('dog', set(['d1', 'd2'])),
('bark', set(['d1', 'd2'])),
('walk', set(['b1', 'g2', 'd1'])),
('chase', set([('b1', 'g1'), ('b2', 'g1'), ('g1', 'd1'),
('g2', 'd2')])),
(
'see',
set([('b1', 'g1'), ('b2', 'd2'), ('g1', 'b1'), ('d2', 'b1'),
('g2', 'n')]),
),
('in', set([('b1', 'n'), ('b2', 'n'), ('d2', 'n')])),
('with', set([('b1', 'g1'), ('g1', 'b1'), ('d1', 'b1'),
('b1', 'd1')])),
]
# Read in the data from ``v``
val = evaluate.Valuation(v)
# Bind ``dom`` to the ``domain`` property of ``val``
dom = val.domain
# Initialize a model with parameters ``dom`` and ``val``.
m0 = evaluate.Model(dom, val)
# Initialize a variable assignment with parameter ``dom``
g0 = evaluate.Assignment(dom)
def demo_model0():
global m0, g0
# Initialize a valuation of non-logical constants."""
v = [
("john", "b1"),
("mary", "g1"),
("suzie", "g2"),
("fido", "d1"),
("tess", "d2"),
("noosa", "n"),
("girl", {"g1", "g2"}),
("boy", {"b1", "b2"}),
("dog", {"d1", "d2"}),
("bark", {"d1", "d2"}),
("walk", {"b1", "g2", "d1"}),
("chase", {("b1", "g1"), ("b2", "g1"), ("g1", "d1"), ("g2", "d2")}),
(
"see",
{("b1", "g1"), ("b2", "d2"), ("g1", "b1"), ("d2", "b1"),
("g2", "n")},
),
("in", {("b1", "n"), ("b2", "n"), ("d2", "n")}),
("with", {("b1", "g1"), ("g1", "b1"), ("d1", "b1"), ("b1", "d1")}),
]
# Read in the data from ``v``
val = evaluate.Valuation(v)
# Bind ``dom`` to the ``domain`` property of ``val``
dom = val.domain
# Initialize a model with parameters ``dom`` and ``val``.
m0 = evaluate.Model(dom, val)
# Initialize a variable assignment with parameter ``dom``
g0 = evaluate.Assignment(dom)
def parse_valuation(s, encoding=None):
"""
Convert a valuation file into a valuation.
:param s: the contents of a valuation file
:type s: str
:param encoding: the encoding of the input string, if it is binary
:type encoding: str
:return: a ``nltk.sem`` valuation
:rtype: Valuation
"""
if encoding is not None:
s = s.decode(encoding)
statements = []
for linenum, line in enumerate(s.splitlines()):
line = line.strip()
if line.startswith('#') or line=='': continue
try: statements.append(parse_valuation_line(line))
except ValueError:
raise ValueError('Unable to parse line %s: %s' % (linenum, line))
val = evaluate.Valuation(statements)
return val
