manning schuetze statisticalnlp phần 8 ppsx

... Waibel (1997), and NieBen et al. (19 98) . Alshawi et al. (1997), Wang and Waibel (19 98) , and Wu and Wong 14.1 Hierarchical Clustering 505 0 1 2 3 4 5 6 7 8 Figure 14.6 Single-link clustering ... 4 2d ex fX $d d X tlx 0 ’ I I I I I 1 I 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 t...

Ngày tải lên: 14/08/2014, 08:22

... and p(dltj). Second tag AT BEZ IN NN VI3 PERIOD 0 0 0 486 36 0 19 1973 0 426 187 0 38 43322 0 1325 17314 0 185 1067 3720 42470 11773 614 21392 6072 42 47 58 1476 129 1522 80 16 75 4656 1329 954 0 First tag AT BEZ IN NN VB PERIOD Table ... 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 10065 0 0 0 0 0 0 36 133 0 0 5 484 0 0...

Ngày tải lên: 14/08/2014, 08:22

... Catlett. 1 988 . Making sense out of searching. In Information Online 88 , pp. 1 48- 15 7, Sydney. The Information Science Section of the Library Association of Australia. Porter, M. F. 1 980 . An algorithm ... In ACL 35,EACL 8, pp. 159-167. Bonzi, Susan, and Elizabeth D. Liddy. 1 988 . The use of anaphoric resolution for document description in information retrieval. In SIGIR 8 8, p...

Ngày tải lên: 14/08/2014, 08:22

... must often be wrong (cf. section 8. 3). We feel that part of the answer is that these scoring measures are undiscerning on Penn trees, as we discussed in section 12.1 .8. But it perhaps also suggests ... various methods of allow- ing some conditioning between dependencies (as described below). 12.1 .8 Evaluation An important question is how to evaluate the success of a statistical parser. I...

Ngày tải lên: 21/08/2013, 10:59

... rankings. 535 349 352 359 363 363 374 375 383 384 394 413 4 18 420 420 436 455 470 500 501 503 5 18 521 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 ... attachment 284 8. 4 Selectional Preferences 288 8. 5 Semantic Similarity 294 8. 5.1 Vector measures 296 space...

Ngày tải lên: 14/08/2014, 08:22

... 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 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 ... is your best estimate for the parameter p? Exercise 2 .8 [**I For i = 8 and j = 2, confirm that the maximum of equation (2.15) is at 0 .8,...

Ngày tải lên: 14/08/2014, 08:22

... are shown below: (4 .8) a. <pxs>And then he left&s> <s>He did not say another word.</sx/p> b. <utt speak="Fred" date="lO-Feb-19 985 That is an ugly couch.</utt> The ... ugly couch.</utt> The structure tagging shown in (4.8a), where the tag s is used for sen- tences and p for paragraphs, is particularly widespread. Example (4.8b...

Ngày tải lên: 14/08/2014, 08:22

... Data Bigrams r N, r 1 1 387 41 28 2 25413 29 3 10531 30 4 5997 31 5 3565 32 6 2 486 7 1754 1264 8 1342 1366 9 1106 1917 10 89 6 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 10056 30 4 780 31 2491 32 1571 1 088 189 749 202 582 214 432 366 . ... . 1 1 1 1 1 Y 1 2 3 4 5 6 7 8 9 10 Trigrams N, Y 404211...

Ngày tải lên: 14/08/2014, 08:22

... genetically .7 58 drugs . 688 research . 687 drug . 685 I Alfred named .81 4 Robert .80 9 William .80 8 W .80 8 simple something .964 things .963 You .963 always .962 Table 8. 8 The cosine as a measure ... and Daelemans 1997). 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 measu...

Ngày tải lên: 14/08/2014, 08:22

... Retrieval Word k 0 1 2 3 4 5 6 7 8 r9 follows act. 57552.0 20142.0 1435.0 1 48. 0 18. 0 1.0 est. 57552.0 20091.0 1527.3 116.1 8. 8 0.7 0.1 0.0 0.0 0.0 trans- act. 784 89.0 776.0 29.0 2.0 formed est. 784 89.0 775.3 30.5 1.2 0.0 0.0 0.0 ... 0.0 0.0 soviet act. 71092.0 30 38. 0 1277.0 784 .0 544.0 400.0 356.0 302.0 255.0 12 48. 0 est. 71092.0 1904.7 1462.5 1122.9 86 2.2 662.1 5 08. 3 390....

Ngày tải lên: 14/08/2014, 08:22