manning schuetze statisticalnlp phần 3 pdf

... need for mor-

Ngày tải lên: 14/08/2014, 08:22

... English. 533 An example of the evaluation of rankings. 535 34 9 35 2 35 9 36 3 36 3 37 4 37 5 38 3 38 4 39 4 4 13 418 420 420 436 455 470 500 501 5 03 518 521 List of Tables xvii 6.8 6.9 6.10 6.11 7.1 7.2 7 .3 7.4 7.5 7.6 7.7 7.8 7.9 8.1 8.2 8 .3 8.4 8.5 8.6 8.7 8.8 8.9 8.10 9.1 9.2 10.1 Good-Turing ... estimation 33 3 9.4 HMMs: Implementation, Properties, and Variants...

Ngày tải lên: 14/08/2014, 08:22

... Acquisition P(c) P(cleat) P(clsee1 P(clfind) 0.25 0.01 0.25 0 .33 0.25 0.01 0.25 0 .33 0.25 0.97 0.25 0 .33 0.25 0.01 0.25 0.01 1.76 0.00 0 .35 Table 8.5 Selectional Preference Strength (SPS). The ... See (Pereira et al. 19 93) . 30 2 8 Lexical Acquisition Focus word Nearest neighbors garlic sauce . 732 pepper .728 salt .726 cup .726 fallen fell . 932 decline . 931 rise . 9...

Ngày tải lên: 14/08/2014, 08:22

... NP PP NP DT 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 ... 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%...

Ngày tải lên: 21/08/2013, 10:59

... 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 14 230 7.06 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 ... log 3 bits = 1.061 H(VIC) = 1 P(C = c)H(VIC c=p,t,k bits = c) !_+Zx3 =4 4 2 EC + bits = 1 .37 5 bits W(C,...

Ngày tải lên: 14/08/2014, 08:22

... Data Bigrams r N, r 1 138 741 28 2 254 13 29 3 10 531 30 4 5997 31 5 35 65 32 6 2486 7 1754 1264 8 134 2 136 6 9 1106 1917 10 896 2 233 . . . 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 32 514 29 10056 30 4780 31 2491 32 1571 1088 189 749 202 582 214 432 36 6 . ... Product Unigram 0.011 0.015 0.00005 0. 032 0.0005 0.0...

Ngày tải lên: 14/08/2014, 08:22

... and p(dltj). Second tag AT BEZ IN NN VI3 PERIOD 0 0 0 48 636 0 19 19 73 0 426 187 0 38 433 22 0 132 5 1 731 4 0 185 1067 37 20 42470 117 73 614 2 139 2 6072 42 4758 1476 129 1522 8016 75 4656 132 9 954 0 First tag AT BEZ IN NN VB PERIOD Table ... in- 10.2 Markov Model Taggers 34 9 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 10065...

Ngày tải lên: 14/08/2014, 08:22

... tl)) tl + + s2 t2 cost(align(s2, t2)) + cost(align(s3, tz)) t2 8 s3 cost(align(s3,0)) + + cost(align(s4, t3)) tg s4 t3 cost(align(s4, t3)) Figure 13. 3 Calculating the cost of alignments. The costs of two different ... im- 13. 1 Text Alignment 4 73 Lr alignment 1 L2 L1 alignment 2 Sl t1 cost(align(sl, tl)) cost(align(sl , s2, tl)) tl + + s2 t2 cost(align(s2, t2)) + cost(ali...

Ngày tải lên: 14/08/2014, 08:22

... 96.0 462.0 est. 7 434 3.0 1540.5 1061.4 731 .3 5 03. 8 34 7.1 239 .2 164.8 1 13. 5 78.2 james act. 70105.0 79 53. 0 922.0 1 83. 0 52.0 24.0 19.0 9.0 7.0 22.0 est. 70105.0 7559.2 134 2.1 238 .3 42 .3 7.5 1 .3 0.2 0.0 0.0 freshly act. 78901.0 ... 0.0 0.0 soviet act. 71092.0 30 38.0 1277.0 784.0 544.0 400.0 35 6.0 30 2.0 255.0 1248.0 est. 71092.0 1904.7 1462.5 1122.9 862.2 662.1 508 .3...

Ngày tải lên: 14/08/2014, 08:22

... email. In ACL 36 /COLING 17, pp. 134 5- 135 1. Walker, Marilyn A., and Johanna D. Moore. 1997. Empirical studies in discourse. Computational Linguistics 23~ 1-12. Bibliography 633 Justeson, John ... corpora. In ACL 30 , pp. 128- 135 . Pereira, Fernando, Naftali Tishby, and Lillian Lee. 19 93. Distributional clustering of English words. In ACL 31 , pp. 1 83- 190. Bibliography 6 4...

Ngày tải lên: 14/08/2014, 08:22