manning schuetze statisticalnlp phần 10 ppsx

... (1985), 402 active voice, 102 ad-hoc retrieval problem, 530 adding one, 202,225 additivity, 43 adjective, 81, 87 adjective phrases, 95 adjunction, 107 adjuncts, 103 adnominal adjectives, 87 adverb, ... Translation 10. Klein, Sheldon, and Robert F. Simmons. 1963. A computational approach to grammatical coding of English words. Journal of the Association for Computing Machinery 10:...

Ngày tải lên: 14/08/2014, 08:22

... following 356 10 Part-of-Speech Tagging could also maximize P(tiJwi,,) for all i which amounts to summing over different tag sequences. As an example consider sentence (10. 10): (10. 10) Time flies ... in- 10. 2 Markov Model Taggers 349 bear is move on president progress the AT 0 0 0 0 0 0 69016 0 BEZ IN NN VB PERIOD 0 0 10 43 0 100 65 0 0 0 0 0 0 36 133 0 0 5484 0 0 0 0 0 382 0 0...

Ngày tải lên: 14/08/2014, 08:22

... only depends on the cluster cl of the preceding word:2 (14 .10) H(L,7T) ” & 1 C(w1w2) logP(c2lcdPwlc2) w1w* Formula (14 .10) can be simplified as follows: (14.11) H(L,?T) E - ... ways of ordering the words into a grammatical sentence. Find a set of (a) 4 English words, (b) 10 English words that can be turned into two semantically distinct and grammatical sequences. 13.4...

Ngày tải lên: 14/08/2014, 08:22

... NN NP 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 ... candidate parse Precision: = 37.5% Crossing Brackets: 0 Recall: = 37.5% Crossing Accuracy: 100 % Labeled Precision: = 37.5% Tagging Accuracy: 1 = 90.9% Labeled Recall: = 37.5% Figure...

Ngày tải lên: 21/08/2013, 10:59

... 345 10. 2.2 The Viterbi algorithm 349 10. 2.3 Variations 351 10. 3 Hidden Markov Model Taggers 356 . . . xvlll 10. 2 10. 3 10. 4 10. 5 10. 6 10. 7 10. 8 10. 9 List of Tables Notational conventions for tagging. 346 Idealized ... Reading 339 10 Part-of-Speech Tagging 341 10. 1 The Information Sources in Tagging 343 10. 2 Markov Model Taggers 345 10. 2.1 The probabilistic mod...

Ngày tải lên: 14/08/2014, 08:22

... Foundations 10 Results Reported 20 Results Reported Heads Tails Likelihood ratio Heads Tails Likelihood ratio 0 10 4.03 x 104 0 20 1.30 x 101 ” 1 9 2444.23 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 ... efficient way is to simply encode the result as a 3 digit binary message: 1 2 3 4 5 6 7 8 001 010 011 100 101 110 111 000 Th...

Ngày tải lên: 14/08/2014, 08:22

... or when printed as shown in (4 .10) . (4.9) a. &#x43; is the less than symbol b. r&eacute;sum&eacute; c. This chapter was written on &docdate;. (4 .10) a. < is the less than ... ones? Which one should you choose? v How tagging is done automatically is the subject of chapter 10. Tag sets Historically, the most influential tag sets have been the one used for tag- BRO...

Ngày tải lên: 14/08/2014, 08:22

... Data Bigrams r N, r 1 138741 28 2 25413 29 3 105 31 30 4 5997 31 5 3565 32 6 2486 7 1754 1264 8 1342 1366 9 1106 1917 10 896 2233 . . . 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 404211 28 32514 29 100 56 30 4780 31 2491 32 1571 108 8 189 749 202 582 214 432 366 . ... probability estimates using Laplace’s law given that 100 samples have been...

Ngày tải lên: 14/08/2014, 08:22

... frequent in ordinary language. An example is (7 .10) where arguably two senses of competirion are invoked: ‘the act of competing’ and ‘the competitors.’ (7 .10) For better or for worse, this would bring ... have the difference between impossibility and a chance of 1 in 10 whereas in the second there is only a small differ- ence of about 10% . The Euclidean distance is appropriate for no...

Ngày tải lên: 14/08/2014, 08:22

... 178.0 143.0’ 112.0 96.0 462.0 est. 74343.0 1540.5 106 1.4 731.3 503.8 347.1 239.2 164.8 113.5 78.2 james act. 7 0105 .0 7953.0 922.0 183.0 52.0 24.0 19.0 9.0 7.0 22.0 est. 7 0105 .0 7559.2 1342.1 238.3 42.3 7.5 1.3 0.2 ... 29.0 2.0 formed est. 78489.0 775.3 30.5 1.2 0.0 0.0 0.0 0.0 0.0 0.0 soviet act. 7109 2.0 3038.0 1277.0 784.0 544.0 400.0 356.0 302.0 255.0 1248.0 est. 7109 2.0 1904.7 14...

Ngày tải lên: 14/08/2014, 08:22