def test_simple_train_compose_intercept(self):
        #TODO test a1_car twice in the phrase list
        train_data = [("a1", "car", "a1_car"),
                      ("a1", "man", "a1_man"),
        ]
        #model with train and then compose
        learner_ = LstsqRegressionLearner(intercept=True)
        model = LexicalFunction(learner=learner_)

        model.train(train_data, self.n_space, self.an_space)

        new_space = model.function_space

        np.testing.assert_array_almost_equal(new_space.cooccurrence_matrix.mat,
                                             np.mat([[0.66666667, 0.33333333,
                                                      -0.33333333, 0.33333333,
                                                      0.66666667, 0.33333333]]),
                                             7)

        self.assertTupleEqual(new_space.element_shape, (2, 3))
        self.assertListEqual(new_space.id2row, ["a1"])
        self.assertListEqual(new_space.id2column, [])

        comp_space = model.compose(train_data, self.n_space)

        np.testing.assert_array_almost_equal(comp_space.cooccurrence_matrix.mat,
                                             self.an_space.cooccurrence_matrix.mat, 10
        )

        self.assertListEqual(comp_space.id2row, ["a1_car", "a1_man"])
        self.assertListEqual(comp_space.id2column, self.ft)

        #new model, without training
        model2 = LexicalFunction(function_space=new_space, intercept=True)
        comp_space = model2.compose(train_data, self.n_space)

        self.assertListEqual(comp_space.id2row, ["a1_car", "a1_man"])
        self.assertListEqual(comp_space.id2column, [])
        np.testing.assert_array_almost_equal(comp_space.cooccurrence_matrix.mat,
                                             self.n_space.cooccurrence_matrix.mat,
                                             8)
        #recursive application
        comp_space2 = model2.compose([("a1", "a1_car", "a1_a1_car"),
                                      ("a1", "a1_man", "a1_a1_man")],
                                     comp_space)

        self.assertListEqual(comp_space2.id2row, ["a1_a1_car", "a1_a1_man"])
        self.assertListEqual(comp_space.id2column, [])

        np.testing.assert_array_almost_equal(comp_space2.cooccurrence_matrix.mat,
                                             self.n_space.cooccurrence_matrix.mat,
                                             8)
        self.assertEqual(comp_space.element_shape, (2,))
        self.assertEqual(comp_space2.element_shape, (2,))
    def test_train_intercept(self):
        a1_mat = DenseMatrix(np.mat([[3, 4], [5, 6]]))
        a2_mat = DenseMatrix(np.mat([[1, 2], [3, 4]]))

        train_data = [("a1", "man", "a1_man"),
                      ("a2", "car", "a2_car"),
                      ("a1", "boy", "a1_boy"),
                      ("a2", "boy", "a2_boy")
        ]

        n_mat = DenseMatrix(np.mat([[13, 21], [3, 4], [5, 6]]))
        n_space = Space(n_mat, ["man", "car", "boy"], self.ft)

        an1_mat = (a1_mat * n_mat.transpose()).transpose()
        an2_mat = (a2_mat * n_mat.transpose()).transpose()
        an_mat = an1_mat.vstack(an2_mat)

        an_space = Space(an_mat, ["a1_man", "a1_car", "a1_boy", "a2_man", "a2_car", "a2_boy"], self.ft)

        #test train
        model = LexicalFunction(learner=LstsqRegressionLearner(intercept=True))
        model.train(train_data, n_space, an_space)
        a_space = model.function_space

        a1_mat.reshape((1, 4))
        #np.testing.assert_array_almost_equal(a1_mat.mat,
        #                                     a_space.cooccurrence_matrix.mat[0])

        a2_mat.reshape((1, 4))
        #np.testing.assert_array_almost_equal(a2_mat.mat,
        #                                     a_space.cooccurrence_matrix.mat[1])

        self.assertListEqual(a_space.id2row, ["a1", "a2"])
        self.assertTupleEqual(a_space.element_shape, (2, 3))

        #test compose
        a1_mat = DenseMatrix(np.mat([[3, 4, 5, 6]]))
        a2_mat = DenseMatrix(np.mat([[1, 2, 3, 4]]))
        a_mat = a_space.cooccurrence_matrix

        a_space = Space(a_mat, ["a1", "a2"], [], element_shape=(2, 3))
        model = LexicalFunction(function_space=a_space, intercept=True)
        comp_space = model.compose(train_data, n_space)

        self.assertListEqual(comp_space.id2row, ["a1_man", "a2_car", "a1_boy", "a2_boy"])
        self.assertListEqual(comp_space.id2column, [])

        self.assertEqual(comp_space.element_shape, (2,))

        np.testing.assert_array_almost_equal(comp_space.cooccurrence_matrix.mat,
                                             an_mat[[0, 4, 2, 5]].mat, 8)
    def test_min_samples1(self):
        #TODO test a1_car twice in the phrase list
        train_data = [("bla3", "man", "a1_car"),
                      ("a1", "car", "a1_car"),
                      ("bla2", "man", "a1_car"),
                      ("a1", "man", "a1_man"),
                      ("bla1", "man", "a1_car")
        ]
        #model with train and then compose
        learner_ = LstsqRegressionLearner(intercept=True)
        model = LexicalFunction(learner=learner_, min_samples=2)

        model.train(train_data, self.n_space, self.an_space)

        new_space = model.function_space

        np.testing.assert_array_almost_equal(new_space.cooccurrence_matrix.mat,
                                             np.mat([[0.66666667, 0.33333333,
                                                      -0.33333333, 0.33333333,
                                                      0.66666667, 0.33333333]]),
                                             7)

        self.assertTupleEqual(new_space.element_shape, (2, 3))
        self.assertListEqual(new_space.id2row, ["a1"])
        self.assertListEqual(new_space.id2column, [])
    def test_min_samples2(self):
        train_data = [("a1", "man", "bla"),
                      ("a1", "car", "a1_car"),
                      ("a1", "man", "bla"),
                      ("a1", "man", "a1_man"),
                      ("a1", "bla", "a1_man"),
                      ("a1", "man", "bla")
        ]

        model = LexicalFunction(min_samples=5)
        self.assertRaises(ValueError, model.train, train_data, self.n_space, self.an_space)
Beispiel #5
0
    def test_lexical_function(self):

        self.m12 = DenseMatrix(np.mat([[3, 1], [9, 2]]))
        self.m22 = DenseMatrix(np.mat([[4, 3], [2, 1]]))
        self.ph2 = DenseMatrix(np.mat([[18, 11], [24, 7]]))
        self.row = ["a", "b"]
        self.ft = ["f1", "f2"]
        self.space1 = Space(DenseMatrix(self.m12), self.row, self.ft)
        self.space2 = Space(DenseMatrix(self.ph2), ["a_a", "a_b"], self.ft)
        m = LexicalFunction()
        m._MIN_SAMPLES = 1
        self.assertRaises(IllegalStateError, m.export, self.prefix + ".lf1")
        m.train([("a", "b", "a_b"), ("a", "a", "a_a")], self.space1,
                self.space2)
        m.export(self.prefix + ".lf2")
Beispiel #6
0
#ex16.py
#-------
from composes.utils import io_utils
from composes.composition.lexical_function import LexicalFunction
from composes.similarity.cos import CosSimilarity

#training data
#trying to learn a "good" function
train_data = [("good_function", "car", "good_car"),
              ("good_function", "book", "good_book")]

#load argument and phrase space
arg_space = io_utils.load("./data/out/ex10.pkl")
phrase_space = io_utils.load("data/out/PHRASE_SS.ex10.pkl")

#train a lexical function model on the data
my_comp = LexicalFunction()
my_comp.train(train_data, arg_space, phrase_space)

#print its parameters
print "\nLexical function space:"
print my_comp.function_space.id2row
cooc_mat = my_comp.function_space.cooccurrence_matrix
cooc_mat.reshape(my_comp.function_space.element_shape)
print cooc_mat

#similarity within the learned functional space
print "\nSimilarity between good and good in the function space:"
print my_comp.function_space.get_sim("good_function", "good_function",
                                     CosSimilarity())
Beispiel #7
0
#load N and SVO spaces
n_space = Space.build(data="./data/in/ex19-n.sm",
                      cols="./data/in/ex19-n.cols",
                      format="sm")

svo_space = Space.build(data="./data/in/ex19-svo.sm",
                        cols="./data/in/ex19-svo.cols",
                        format="sm")

print "\nInput SVO training space:"
print svo_space.id2row
print svo_space.cooccurrence_matrix

#1. train a model to learn VO functions on train data: VO N -> SVO
print "\nStep 1 training"
vo_model = LexicalFunction(learner=LstsqRegressionLearner())
vo_model.train(train_vo_data, n_space, svo_space)

#2. train a model to learn V functions on train data: V N -> VO
# where VO space: function space learned in step 1
print "\nStep 2 training"
vo_space = vo_model.function_space
v_model = LexicalFunction(learner=LstsqRegressionLearner())
v_model.train(train_v_data, n_space, vo_space)

#print the learned model
print "\n3D Verb space"
print v_model.function_space.id2row
print v_model.function_space.cooccurrence_matrix

#3. use the trained models to compose new SVO sentences
Beispiel #8
0
#-------
from composes.utils import io_utils
from composes.composition.lexical_function import LexicalFunction
from composes.utils.regression_learner import RidgeRegressionLearner

#training data
#trying to learn a "good" function
train_data = [("good_function", "car", "good_car"),
              ("good_function", "book", "good_book")]

#load argument and phrase space
arg_space = io_utils.load("./data/out/ex10.pkl")
phrase_space = io_utils.load("data/out/PHRASE_SS.ex10.pkl")

print("\nDefault regression:")
my_comp = LexicalFunction()
print(type(my_comp.regression_learner).__name__)
my_comp.train(train_data, arg_space, phrase_space)

#print its parameters
print("Lexical function space:")
print(my_comp.function_space.id2row)
cooc_mat = my_comp.function_space.cooccurrence_matrix
cooc_mat.reshape(my_comp.function_space.element_shape)
print(cooc_mat)

print("\nRidge Regression with lambda = 2")
rr_learner = RidgeRegressionLearner(param=2,
                                    intercept=False,
                                    crossvalidation=False)
my_comp = LexicalFunction(learner=rr_learner)
Beispiel #9
0
print "Applying SVD..."
space = space.apply(Svd(100))

print "Creating peripheral space.."
per_space = PeripheralSpace.build(space,
                                  data=data_path + "per.raw.SV.sm",
                                  cols=data_path + "per.raw.SV.cols",
                                  format="sm")

#reading in train data
train_data_file = data_path + "ML08_SV_train.txt"
train_data = io_utils.read_tuple_list(train_data_file, fields=[0, 1, 2])

print "Training Lexical Function composition model..."
comp_model = LexicalFunction(learner=RidgeRegressionLearner(param=2))
comp_model.train(train_data, space, per_space)

print "Composing phrases..."
test_phrases_file = data_path + "ML08nvs_test.txt"
test_phrases = io_utils.read_tuple_list(test_phrases_file, fields=[0, 1, 2])
composed_space = comp_model.compose(test_phrases, space)

print "Reading similarity test data..."
test_similarity_file = data_path + "ML08data_new.txt"
test_pairs = io_utils.read_tuple_list(test_similarity_file, fields=[0, 1])
gold = io_utils.read_list(test_similarity_file, field=2)

print "Computing similarity with lexical function..."
pred = composed_space.get_sims(test_pairs, CosSimilarity())
    def test_3d(self):
        # setting up
        v_mat = DenseMatrix(np.mat([[0, 0, 1, 1, 2, 2, 3, 3], #hate
                                    [0, 1, 2, 4, 5, 6, 8, 9]])) #love

        vo11_mat = DenseMatrix(np.mat([[0, 11], [22, 33]])) #hate boy
        vo12_mat = DenseMatrix(np.mat([[0, 7], [14, 21]])) #hate man
        vo21_mat = DenseMatrix(np.mat([[6, 34], [61, 94]])) #love boy
        vo22_mat = DenseMatrix(np.mat([[2, 10], [17, 26]])) #love car

        train_vo_data = [("hate_boy", "man", "man_hate_boy"),
                         ("hate_man", "man", "man_hate_man"),
                         ("hate_boy", "boy", "boy_hate_boy"),
                         ("hate_man", "boy", "boy_hate_man"),
                         ("love_car", "boy", "boy_love_car"),
                         ("love_boy", "man", "man_love_boy"),
                         ("love_boy", "boy", "boy_love_boy"),
                         ("love_car", "man", "man_love_car")
        ]

        # if do not find a phrase
        # what to do?
        train_v_data = [("love", "boy", "love_boy"),
                        ("hate", "man", "hate_man"),
                        ("hate", "boy", "hate_boy"),
                        ("love", "car", "love_car")]

        sentences = ["man_hate_boy", "car_hate_boy", "boy_hate_boy",
                     "man_hate_man", "car_hate_man", "boy_hate_man",
                     "man_love_boy", "car_love_boy", "boy_love_boy",
                     "man_love_car", "car_love_car", "boy_love_car"]
        n_mat = DenseMatrix(np.mat([[3, 4], [1, 2], [5, 6]]))

        n_space = Space(n_mat, ["man", "car", "boy"], self.ft)

        s1_mat = (vo11_mat * n_mat.transpose()).transpose()
        s2_mat = (vo12_mat * n_mat.transpose()).transpose()
        s3_mat = (vo21_mat * n_mat.transpose()).transpose()
        s4_mat = (vo22_mat * n_mat.transpose()).transpose()

        s_mat = vo11_mat.nary_vstack([s1_mat, s2_mat, s3_mat, s4_mat])
        s_space = Space(s_mat, sentences, self.ft)

        #test train 2d
        model = LexicalFunction(learner=LstsqRegressionLearner(intercept=False))
        model.train(train_vo_data, n_space, s_space)
        vo_space = model.function_space

        self.assertListEqual(vo_space.id2row, ["hate_boy", "hate_man", "love_boy", "love_car"])
        self.assertTupleEqual(vo_space.element_shape, (2, 2))
        vo11_mat.reshape((1, 4))
        np.testing.assert_array_almost_equal(vo11_mat.mat,
                                             vo_space.cooccurrence_matrix.mat[0])
        vo12_mat.reshape((1, 4))
        np.testing.assert_array_almost_equal(vo12_mat.mat,
                                             vo_space.cooccurrence_matrix.mat[1])
        vo21_mat.reshape((1, 4))
        np.testing.assert_array_almost_equal(vo21_mat.mat,
                                             vo_space.cooccurrence_matrix.mat[2])
        vo22_mat.reshape((1, 4))
        np.testing.assert_array_almost_equal(vo22_mat.mat,
                                             vo_space.cooccurrence_matrix.mat[3])

        # test train 3d
        model2 = LexicalFunction(learner=LstsqRegressionLearner(intercept=False))
        model2.train(train_v_data, n_space, vo_space)
        v_space = model2.function_space
        np.testing.assert_array_almost_equal(v_mat.mat,
                                             v_space.cooccurrence_matrix.mat)
        self.assertListEqual(v_space.id2row, ["hate", "love"])
        self.assertTupleEqual(v_space.element_shape, (2, 2, 2))

        # test compose 3d
        vo_space2 = model2.compose(train_v_data, n_space)
        id2row1 = list(vo_space.id2row)
        id2row2 = list(vo_space2.id2row)
        id2row2.sort()
        self.assertListEqual(id2row1, id2row2)
        row_list = vo_space.id2row
        vo_rows1 = vo_space.get_rows(row_list)
        vo_rows2 = vo_space2.get_rows(row_list)
        np.testing.assert_array_almost_equal(vo_rows1.mat, vo_rows2.mat, 7)
        self.assertTupleEqual(vo_space.element_shape, vo_space2.element_shape)
    def test_simple_3d_intercept(self):
        train_data1 = [("drive_car", "I", "I_drive_car"),
                       ("read_man", "You", "You_read_man"),
                       ("read_man", "I", "I_read_man"),
                       ("drive_car", "You", "You_drive_car"),
                       ("drive_man", "You", "You_drive_man"),
                       ("drive_man", "I", "I_drive_man")
        ]

        train_data2 = [("drive", "car", "drive_car"),
                       ("drive", "man", "drive_man"),
        ]

        n_mat = DenseMatrix(np.mat([[1, 2], [3, 4], [5, 6], [7, 8]]))
        svo_mat = DenseMatrix(np.mat([[1, 2], [3, 4], [1, 2], [3, 4], [3, 4], [1, 2]]))

        n_space = Space(n_mat, ["I", "You", "man", "car"], [])
        svo_space = Space(svo_mat, ["I_drive_car", "You_read_man",
                                    "I_read_man", "You_drive_car",
                                    "You_drive_man", "I_drive_man"], ["f1", "f2"])

        #test first stage train
        model = LexicalFunction(learner=LstsqRegressionLearner(intercept=True))
        model.train(train_data1, n_space, svo_space)
        vo_space = model.function_space

        np.testing.assert_array_almost_equal(vo_space.cooccurrence_matrix.mat,
                                             np.mat([[0.6666, 0.3333, -0.3333,
                                                      0.3333, 0.6666, 0.3333],
                                                     [0.6666, 0.3333, -0.3333,
                                                      0.3333, 0.6666, 0.3333],
                                                     [0.6666, 0.3333, -0.3333,
                                                      0.3333, 0.6666, 0.3333]]),
                                             4)

        self.assertTupleEqual(vo_space.element_shape, (2, 3))
        self.assertListEqual(vo_space.id2row, ["drive_car", "drive_man", "read_man"])
        self.assertListEqual(vo_space.id2column, [])

        #test first stage compose
        comp_space = model.compose([train_data1[0]], n_space)
        np.testing.assert_array_almost_equal(comp_space.cooccurrence_matrix.mat,
                                             np.mat([[1, 2]]), 8)

        self.assertTupleEqual(comp_space.element_shape, (2,))
        self.assertListEqual(comp_space.id2row, ["I_drive_car"])
        self.assertListEqual(comp_space.id2column, ["f1", "f2"])

        #test second stage train
        model = LexicalFunction(learner=LstsqRegressionLearner(intercept=True))
        model.train(train_data2, n_space, vo_space)
        v_space = model.function_space

        np.testing.assert_array_almost_equal(v_space.cooccurrence_matrix.mat,
                                             np.mat([[-0.2222, 0.2222, 0.4444,
                                                      -0.1111, 0.1111, 0.2222,
                                                      0.1111, -0.1111, -0.2222,
                                                      -0.1111, 0.1111, 0.2222,
                                                      -0.2222, 0.2222, 0.4444,
                                                      -0.1111, 0.1111, 0.2222]]),
                                             4)

        self.assertTupleEqual(v_space.element_shape, (2, 3, 3))
        self.assertListEqual(v_space.id2row, ["drive"])
        self.assertListEqual(v_space.id2column, [])

        #test compose1
        comp_space = model.compose([train_data2[0]], n_space)
        np.testing.assert_array_almost_equal(comp_space.cooccurrence_matrix.mat,
                                             np.mat([[0.6666, 0.3333, -0.3333,
                                                      0.3333, 0.6666, 0.3333]]), 4)

        self.assertTupleEqual(comp_space.element_shape, (2, 3))
        self.assertListEqual(comp_space.id2row, ["drive_car"])
        self.assertListEqual(comp_space.id2column, [])


        #test compose2
        model2 = LexicalFunction(function_space=comp_space, intercept=True)
        comp_space2 = model2.compose([train_data1[0]], n_space)
        np.testing.assert_array_almost_equal(comp_space2.cooccurrence_matrix.mat,
                                             np.mat([[1, 2]]), 8)

        self.assertTupleEqual(comp_space2.element_shape, (2,))
        self.assertListEqual(comp_space2.id2row, ["I_drive_car"])
        self.assertListEqual(comp_space2.id2column, [])

        #recursive application, write a wrapper around it!!!
        comp_space2 = model2.compose([("drive_car", "I", "I_drive_car")], n_space)
        np.testing.assert_array_almost_equal(comp_space2.cooccurrence_matrix.mat,
                                             np.mat([[1, 2]]), 8)

        self.assertTupleEqual(comp_space2.element_shape, (2,))
        self.assertListEqual(comp_space2.id2row, ["I_drive_car"])
        self.assertListEqual(comp_space2.id2column, [])