Natural Language Processing with Python Phần 3 pot

... | Chapter 1: Language Processing and Python www.it-ebooks.info CHAPTER 1 Language Processing and Python It is easy to get our hands on millions of words of text. What can we do with it, assuming we ... Contents www.it-ebooks.info Preface This is a book about Natural Language Processing. By natural language we mean a language that is used for everyday communication by h...

Ngày tải lên: 15/03/2014, 16:20

... con- version process reinforced with a neural net- work handler. The network is used by the neural network handler and word associations are done in parallel with kana-kanji conver- sion. ... To avoid these problems without increasing computational costs, we propose the use of the associative functionality of neural networks. The use of association is a natural extension t...

Ngày tải lên: 17/03/2014, 08:20

... in Eq. (2. 16) we obtain ⎡ ⎢ ⎣ 4 22 22 −4 2 −411 ⎤ ⎥ ⎦ = ⎡ ⎢ ⎣ L 2 11 L 11 L 21 L 11 L 31 L 11 L 21 L 2 21 + L 2 22 L 21 L 31 + L 22 L 32 L 11 L 31 L 21 L 31 + L 22 L 32 L 2 31 + L 2 32 + L 2 33 ⎤ ⎥ ⎦ Equating ... L 2 33 ⎤ ⎥ ⎦ Equating the elements in the lower (or upper) triangular portions yields L 11 = √ 4 = 2 L 21 = 2/ L 11 = 2/ 2 =−1 L 31 = 2/...

Ngày tải lên: 07/08/2014, 04:20

... 10 ⎤ ⎥ ⎦ = ⎡ ⎢ ⎣ 1.1 23 32 4. 236 92 −1.848 28 ⎤ ⎥ ⎦ β 0 =− r T 1 As 0 s T 0 As 0 =− 1.1 23 32(54) + 4. 236 92(−26) −1.848 28 (34 ) 12(54) +(−1)(−26) +5 (34 ) = 0. 133 107 s 1 = r 1 + β 0 s 0 = ⎡ ⎢ ⎣ 1.1 23 32 4. 236 92 −1.848 ... (pivoting is recommended). Run the program with n = 2, 3, and 4 and comment on the results. 20.  3m /s 3 2 m /s 3 4 m /s 3 2 m /s 3 4 m /s 3 2 m /s...

Ngày tải lên: 07/08/2014, 04:20

... 9.7152e-001 7.0 683 e-001 -1 .86 66e-001 -4.4722e-001 -2 .88 96e-001 9.7627e-001 9 .88 85e-001 -3.2061e-001 -4 .89 68e-001 -1.1144e-002 9. 984 8e-001 1.0000e+000 -3.2607e-001 -4 .89 75e-001 -6.7428e-011 1.0000e+000 x 0.00 ... = ( −0.535 18 )( 0 .88 1 68 ) =−0.471 86 τ = s 1 +c = −0.47 186 1 +0 .88 1 68 =−0.250 77 We obtain the changes in the transformation matrix P from Eqs. (9.20). R...

Ngày tải lên: 07/08/2014, 04:20

... political parties; State governments; 20 | Chapter 1: Language Processing and Python 3 .10 Summary 12 1 3 .11 Further Reading 12 2 3 .12 Exercises 12 3 4. Writing Structured Programs . . . . . . . . ... ix 1. Language Processing and Python . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1 .1 Computing with Language: Texts and Words...

Ngày tải lên: 07/08/2014, 04:20

... 4 21 26 austen-emma.txt 4 23 16 austen-persuasion.txt 4 24 22 austen-sense.txt 4 33 79 bible-kjv.txt 4 18 5 blake-poems.txt 4 17 14 bryant-stories.txt 4 17 12 burgess-busterbrown.txt 4 16 12 ... (McEnery, 20 06), (Meyer, 20 02) , (Sampson & McCarthy, 20 05), and (Scott & Tribble, 20 06). Further readings in quan- titative data analysis in linguistics are: (Baayen, 20 08),...

Ngày tải lên: 07/08/2014, 04:20

... object stored at location 31 33 (which is itself a series of pointers to other locations holding strings). When we assign bar = foo, it is just the object reference 31 33 that gets copied. This ... method for searching tokenized text described in Section 3. 5. The post is at http://itre.cis.upenn.edu/~myl/languagelog/archives/002 733 .html. 36 . ◑ Study the lolcat version of the book of...

Ngày tải lên: 07/08/2014, 04:20

... len(file) for word in nltk.word_tokenize(text): 4. 5 Doing More with Functions | 153 >>> extract_property(len) [4, 4, 2, 3, 5, 1, 3, 3, 6, 4, 4, 4, 2, 10, 1] >>> def last_letter(word): ... replaced with the function’s result: >>> repeat(monty(), 3) 'Monty Python Monty Python Monty Python& apos; >>> repeat('Monty Python& apos;, 3...

Ngày tải lên: 07/08/2014, 04:20

... in Figure 5- 2. Figure 5- 2. List lookup: We access the contents of a Python list with the help of an integer index. 5. 3 Mapping Words to Properties Using Python Dictionaries | 189 5. 10 Exercises 1. ... classifier.pseudocode(depth=4) if endswith(,) == True: return ',' if endswith(,) == False: if endswith(the) == True: return 'AT' if endswith(the) == False:...

Ngày tải lên: 07/08/2014, 04:20

... 0.25% 0.25% 0.25% 0.25% 0.25% 0.25% –up 49.9% 4. 46% 4. 46% 4. 46% 4. 46% 4. 46% 4. 46% 4. 46% 4. 46% 4. 46% In particular, the distribution is consistent with what we know: if we add up the prob- abilities ... (e.g., as part of a language processing system), then we can use the model to make predictions about new data without worrying about the details of underlying causal relationshi...

Ngày tải lên: 07/08/2014, 04:20

... serve as a model of psycholinguistic processing, helping to explain the difficulties that humans have with processing certain syntactic constructions. Many natural language applica- tions involve ... constraints that govern sentences. We need a way to deal with the ambiguity that natural language is famous for. We also need to be able to cope with the fact that there are an u...

Ngày tải lên: 07/08/2014, 04:20

... it into various other special-purpose languages. In fact, most serious attempts to query databases via natural language have used this methodology. Natural Language, Semantics, and Logic We started ... logic-based approaches to natural language semantics focus on those aspects of natural language that guide our judgments of consistency and inconsistency. The syntax of a logical...

Ngày tải lên: 07/08/2014, 04:20

... ('had', 10610, 14 496 ), ('your', 14 496 , 15 791 ), ('dark', 15 791 , 20720), ('suit', 20720, 25647), ('in', 25647, 2 690 6), ('greasy', 2 690 6, 32668), ('wash', ... of linguistic theory. (Chierchia & McConnell-Ginet, 199 0) is relatively agnostic about syntax, while (Heim & Kratzer, 199 8) and (Larson & Segal...

Ngày tải lên: 07/08/2014, 04:20

... closures, 100 L lambda expressions, 150, 386–390 example, 152 lambda operator (λ), 386 Lancaster stemmer, 107 language codes, 65 language output, generating, 29 language processing, symbol processing versus, ... to the notion of language as a formal system amenable to automatic processing. Three later developments laid the foundation for natural language processing. The fi...

Ngày tải lên: 07/08/2014, 04:20