manning schuetze statisticalnlp phần 4 doc

... 2 scores 71, 61, 55, 60, 68, 49 , 42 , 55, 75, 45 , 54, 51 42 , 72, 76, 55, 64 55, 36, 58, 55, 67 total 609 526 n 11 11 mean Xi 55 .4 47.8 Sf = C(Xi,j - Xi)2 1,375 .4 1,228.g df 10 10 Pooled ~2 ... . 2507 NV 90 120 86 98 99 . . . 1 1 1 1 1 Y 1 2 3 4 5 6 7 8 9 10 Trigrams N, Y 40 4211 28 325 14 29 10056 30 47 80 31 249 1 32 1571 1088 189 749 202 582 2 14 432 366 ....

Ngày tải lên: 14/08/2014, 08:22

... 1277.0 7 84. 0 544 .0 40 0.0 356.0 302.0 255.0 1 248 .0 est. 71092.0 19 04. 7 146 2.5 1122.9 862.2 662.1 508.3 390.3 299.7 230.1 students act. 743 43.0 2523.0 761.0 41 3.0 265.0 178.0 143 .0’ 112.0 96.0 46 2.0 est. 743 43.0 ... we have: P,(O) 71092 Pi(l) 3038 ~ Pi(l) - = 23 .4 3038 P,(2) _F z 1277 2.38 Pi(Z) = u ’s 4 Pi(3) = 1.63 7 84 P,(3) P, (4) - 544 = 1 .44 p, (4) 5...

Ngày tải lên: 14/08/2014, 08:22

... NNP NP NN NP JJ NN NP NP SBAR 1st Obj 7.5% 13 .4% 12.2% 10 .4% 4. 5% 3.9% 1.1% 0.3% % as 2nd Obj 0.2% 0.9% 14. 4% 13.3% 5.9% 9.2% 10 .4% 5.1% Table 12 .4 Selected common expansions of NP as first and ... SBAR NP NP PP 12 Probabilistic Parsing % as Subj % as Obj 13.7% 2.1% 3.5% 0.9% 5.6% 4. 6% 1 .4% 2.8% 0.5% 2.6% 5.6% 14. 1% Table 12.3 Selected common expansions of NP as Subject v...

Ngày tải lên: 21/08/2013, 10:59

... is a word? 1 24 4.2.3 Morphology 131 4. 2 .4 Sentences 1 34 4.3 Marked-up Data 136 4. 3.1 Markup schemes 137 4. 3.2 Grammatical tagging 139 4. 4 Further Reading 4. 5 Exercises 147 II Words 149 5 Collocations ... mean 44 2 12.2 Some Approaches 44 3 12.2.1 Non-lexicalized treebank 44 3grammars 12.2.2 Lexicalized models using derivational histories 44 8 12.2.3 Dependency-based mo...

Ngày tải lên: 14/08/2014, 08:22

... ratio 0 10 4. 03 x 1 04 0 20 1.30 x 101” 1 9 244 4.23 2 18 2.07 x lo7 2 8 244 .42 4 16 1. 34 x 10s 3 7 36.21 6 14 2307.06 4 6 7. 54 8 12 87.89 5 5 2.16 10 10 6.89 6 4 0. 84 12 8 1.09 7 3 0 .45 14 6 0.35 8 2 0.36 16 4 0.25 9 1 0.37 18 2 0 .48 10 0 0.68 20 0 3. 74 Table ... E(X)E(Y). 72 2 Mathematical Foundations 2.2.5 RELATIVE ENTROPY (2 .41 ) K ULLBACK-LEIBLER DIVERG...

Ngày tải lên: 14/08/2014, 08:22

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Ngày tải lên: 14/08/2014, 08:22

... word j occurs in document i. Words are deemed similar to the extent that they occur in the same doc- uments. In document space, cosmonaut and astronaut are dissimilar (no shared documents); truck ... Decomposable models, a type of loglinear model, can 306 8 Lexical Acquisition . (8 .45 ) (8 .46 ) (8 .47 ) (8 .48 ) Here is how the similarity measure is used to compute the conditional proba...

Ngày tải lên: 14/08/2014, 08:22

... tag AT BEZ IN NN VI3 PERIOD 0 0 0 48 636 0 19 1973 0 42 6 187 0 38 43 322 0 1325 173 14 0 185 1067 3720 42 470 11773 6 14 21392 6072 42 47 58 147 6 129 1522 8016 75 46 56 1329 9 54 0 First tag AT BEZ IN NN VB PERIOD Table ... JJ NN RB RP VB VBG DT 99 .4 .3 .3 IN .4 97.5 1.5 .5 JJ .l 93.9 1.8 .9 .l .4 NN 2.2 95.5 .2 .4 RB .2 2 .4 2.2 .6 93.2 1.2 RP 24. 7 1.1 12.6 61.5 VB .3...

Ngày tải lên: 14/08/2014, 08:22

... (1998), and Wu and Wong 14. 1 Hierarchical Clustering 505 0 1 2 3 4 5 6 7 8 Figure 14. 6 Single-link clustering of the points in figure 14. 4. 0 1 2 3 4 5 6 7 8 Figure 14. 7 Complete-link clustering ... I I I I I I I I I * 0 1 2 3 4 5 6 7 8 Figure 14. 4 A cloud of points in a plane. 0 1 2 3 4 5 6 7 8 Figure 14. 5 Intermediate clustering of the points in figure 14. 4. are locally...

Ngày tải lên: 14/08/2014, 08:22

... 609 o-field, 40 * as a marker of ungrammaticality, 9 ? as a marker of marginal grammaticality, 9 A* search, 44 2 Abney (1991), 376 ,41 4 ,45 1 Abney (1996a), 375, 376 Abney (1996b), 34 Abney (19971 ,45 7 absolute ... Lexicon, pp. 115-1 64. Hillsdale, NJ: Lawrence Erlbaum. Bibliography 649 Shemtov, Hadar. 1993. Text alignment in a tool for translating revised docu- ments. In EACL...

Ngày tải lên: 14/08/2014, 08:22