1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
|
#include "hypergraph.hh"
int
main(void)
{
/*
{
"weights":{"logp":2.0,"use_house":0.0,"use_shell":1.0},
"nodes":
[
{ "id":0, "cat":"root", "span":[0,0] },
{ "id":1, "cat":"NP", "span":[1,2] },
{ "id":2, "cat":"V", "span":[2,3] },
{ "id":3, "cat":"JJ", "span":[4,5] },
{ "id":4, "cat":"NN", "span":[4,6] },
{ "id":5, "cat":"NP", "span":[3,6] },
{ "id":6, "cat":"VP", "span":[2,6] },
{ "id":7, "cat":"S", "span":[1,6] }
],
"edges":
[
{ "head":1, "rule":"[NP] ||| ich ||| i", "tails":[0], "f":{"logp":-0.5,"use_i":1.0} },
{ "head":2, "rule":"[V] ||| sah ||| saw", "tails":[0], "f":{"logp":-0.25,"use_saw":1.0} },
{ "head":3, "rule":"[JJ] ||| kleines ||| small", "tails":[0], "f":{"logp":0.0,"use_small":1.0} },
{ "head":3, "rule":"[JJ] ||| kleines ||| little", "tails":[0], "f":{"logp":0.0,"use_little":1.0} },
{ "head":4, "rule":"[NN] ||| kleines haus ||| small house", "tails":[0], "f":{"logp":0.0,"use_house":1.0} },
{ "head":4, "rule":"[NN] ||| kleines haus ||| little house", "tails":[0], "f":{"logp":0.0,"use_house":1.0} },
{ "head":4, "rule":"[NN] ||| [JJ,1] haus ||| [JJ,1] shell", "tails":[3], "f":{"logp":0.0,"use_shell":1.0} },
{ "head":4, "rule":"[NN] ||| [JJ,1] haus ||| [JJ,1] house", "tails":[3], "f":{"logp":0.0,"use_house":1.0} },
{ "head":5, "rule":"[NP] ||| ein [NN,1] ||| a [NN,1]", "tails":[4], "f":{"logp":0.0,"use_a":1.0} },
{ "head":6, "rule":"[VP] ||| [V,1] [NP,2] ||| [V,1] [NP,2]", "tails":[2, 5], "f":{"logp":0.0} },
{ "head":7, "rule":"[S] ||| [NP,1] [VP,2] ||| [NP,1] [VP,2]", "tails":[1, 6], "f":{"logp":0.0} }
]
}
*/
// nodes
Hg::Node a; a.id = 0; a.symbol = "root"; a.left = false; a.right = false;
Hg::Node b; b.id = 1; b.symbol = "NP"; b.left = 0; b.right = 1;
Hg::Node c; c.id = 2; c.symbol = "V"; c.left = 1; c.right = 2;
Hg::Node d; d.id = 3; d.symbol = "JJ"; d.left = 3; d.right = 4;
Hg::Node e; e.id = 4; e.symbol = "NN"; e.left = 3; e.right = 5;
Hg::Node f; f.id = 5; f.symbol = "NP"; f.left = 2; f.right = 5;
Hg::Node g; g.id = 6; g.symbol = "NP"; g.left = 1; g.right = 5;
Hg::Node h; h.id = 7; h.symbol = "S"; g.left = 0; g.right = 5;
vector<Hg::Node*> nodes;
nodes.push_back(&a);
nodes.push_back(&b);
nodes.push_back(&c);
nodes.push_back(&d);
nodes.push_back(&e);
nodes.push_back(&f);
nodes.push_back(&g);
nodes.push_back(&h);
// nodes_by_id
map<unsigned int, Hg::Node*> nodes_by_id;
nodes_by_id[0] = &a;
nodes_by_id[1] = &b;
nodes_by_id[2] = &c;
nodes_by_id[3] = &d;
nodes_by_id[4] = &e;
nodes_by_id[5] = &f;
nodes_by_id[6] = &g;
nodes_by_id[7] = &h;
// edges
Hg::Hyperedge q; q.head = nodes_by_id[1]; q.tails.push_back(nodes_by_id[0]); q.score = 0.367879441171;
nodes_by_id[1]->incoming.push_back(&q);
nodes_by_id[0]->outgoing.push_back(&q);
q.arity_ = 1;
q.mark = 0;
Hg::Hyperedge p; p.head = nodes_by_id[2]; p.tails.push_back(nodes_by_id[0]); p.score = 0.606530659713;
nodes_by_id[2]->incoming.push_back(&p);
nodes_by_id[0]->outgoing.push_back(&p);
p.arity_ = 1;
p.mark = 0;
Hg::Hyperedge r; r.head = nodes_by_id[3]; r.tails.push_back(nodes_by_id[0]); r.score = 1.0;
nodes_by_id[3]->incoming.push_back(&r);
nodes_by_id[0]->outgoing.push_back(&r);
r.arity_ = 1;
r.mark = 0;
Hg::Hyperedge s; s.head = nodes_by_id[3]; s.tails.push_back(nodes_by_id[0]); s.score = 1.0;
nodes_by_id[3]->incoming.push_back(&s);
nodes_by_id[0]->outgoing.push_back(&s);
s.arity_ = 1;
s.mark = 0;
Hg::Hyperedge t; t.head = nodes_by_id[4]; t.tails.push_back(nodes_by_id[0]); t.score = 1.0;
nodes_by_id[4]->incoming.push_back(&t);
nodes_by_id[0]->outgoing.push_back(&t);
t.arity_ = 1;
t.mark = 0;
Hg::Hyperedge u; u.head = nodes_by_id[4]; u.tails.push_back(nodes_by_id[0]); u.score = 1.0;
nodes_by_id[4]->incoming.push_back(&u);
nodes_by_id[0]->outgoing.push_back(&u);
u.arity_ = 1;
u.mark = 0;
Hg::Hyperedge v; v.head = nodes_by_id[4]; v.tails.push_back(nodes_by_id[3]); v.score = 1.0;
nodes_by_id[4]->incoming.push_back(&v);
nodes_by_id[3]->outgoing.push_back(&v);
v.arity_ = 1;
v.mark = 0;
Hg::Hyperedge w; w.head = nodes_by_id[4]; w.tails.push_back(nodes_by_id[3]); w.score = 2.71828182846;
nodes_by_id[4]->incoming.push_back(&w);
nodes_by_id[3]->outgoing.push_back(&w);
w.arity_ = 1;
w.mark = 0;
Hg::Hyperedge x; x.head = nodes_by_id[5]; x.tails.push_back(nodes_by_id[4]); x.score = 1.0;
nodes_by_id[5]->incoming.push_back(&x);
nodes_by_id[4]->outgoing.push_back(&x);
x.arity_ = 1;
x.mark = 0;
Hg::Hyperedge y; y.head = nodes_by_id[6]; y.tails.push_back(nodes_by_id[2]); y.tails.push_back(nodes_by_id[5]); y.score = 1.0;
nodes_by_id[6]->incoming.push_back(&y);
nodes_by_id[2]->outgoing.push_back(&y);
nodes_by_id[5]->outgoing.push_back(&y);
y.arity_ = 2;
y.mark = 0;
Hg::Hyperedge z; z.head = nodes_by_id[7]; z.tails.push_back(nodes_by_id[1]); z.tails.push_back(nodes_by_id[6]); z.score = 1.0;
nodes_by_id[7]->incoming.push_back(&z);
nodes_by_id[1]->outgoing.push_back(&z);
nodes_by_id[6]->outgoing.push_back(&z);
z.arity_ = 2;
z.mark = 0;
// test
Hg::viterbi(nodes, nodes_by_id, nodes_by_id[0]);
}
|
