【独家发布】Natural:General Natural Language Facilities for Node

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natural

"Natural" is a general natural language facility for nodejs. Tokenizing, stemming, classification, phonetics, tf-idf, WordNet, string similarity, and some inflections are currently supported.

It's still in the early stages, so we're very interested in bug reports, contributions and the like.

Note that many algorithms from Rob Ellis's node-nltools are being merged into this project and will be maintained from here onward.

At the moment, most of the algorithms are English-specific, but in the long-term, some diversity will be in order. Thanks to Polyakov Vladimir, Russian stemming has been added!, Thanks to David Przybilla, Spanish stemming has been added!.

Aside from this README, the only documentation is this DZone article and here on my blog, which is a bit older.

TABLE OF CONTENTS

• Installation
• Tokenizers
• String Distance
• Stemmers
• Classifiers
• Phonetics
• Inflectors
• N-Grams
• tf-idf
• Tries
• EdgeWeightedDigraph
• ShortestPathTree
• LongestPathTree
• WordNet
• Spellcheck
• POS Tagger
• Acknowledgements/references
• Development
• License
  

本帖隐藏的内容

natural-master.zip (1.54 MB)

2016-9-12 00:15:02 上传

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关键词：Facilities Language Natural General lang General Natural

1. /*
   
2. Copyright (c) 2011, Chris Umbel
   
3. 
   
4. Permission is hereby granted, free of charge, to any person obtaining a copy
   
5. of this software and associated documentation files (the "Software"), to deal
   
6. in the Software without restriction, including without limitation the rights
   
7. to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
   
8. copies of the Software, and to permit persons to whom the Software is
   
9. furnished to do so, subject to the following conditions:
   
10. 
    
11. The above copyright notice and this permission notice shall be included in
    
12. all copies or substantial portions of the Software.
    
13. 
    
14. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
    
15. IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    
16. FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
    
17. AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
    
18. LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
    
19. OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
    
20. THE SOFTWARE.
    
21. */
    
22. 
    
23. var natural = require('natural'),
    
24.     classifier = new natural.BayesClassifier();
    
25. 
    
26. 
    
27. classifier.addDocument('my unit-tests failed.', 'software');
    
28. classifier.addDocument('tried the program, but it was buggy.', 'software');
    
29. classifier.addDocument('the drive has a 2TB capacity.', 'hardware');
    
30. classifier.addDocument('i need a new power supply.', 'hardware');
    
31. 
    
32. classifier.train();
    
33. 
    
34. console.log(classifier.classify('did the tests pass?'));
    
35. console.log(classifier.classify('did you buy a new drive?'));

复制代码

1. /*
   
2. Copyright (c) 2011, Chris Umbel
   
3. 
   
4. Permission is hereby granted, free of charge, to any person obtaining a copy
   
5. of this software and associated documentation files (the "Software"), to deal
   
6. in the Software without restriction, including without limitation the rights
   
7. to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
   
8. copies of the Software, and to permit persons to whom the Software is
   
9. furnished to do so, subject to the following conditions:
   
10. 
    
11. The above copyright notice and this permission notice shall be included in
    
12. all copies or substantial portions of the Software.
    
13. 
    
14. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
    
15. IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    
16. FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
    
17. AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
    
18. LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
    
19. OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
    
20. THE SOFTWARE.
    
21. */
    
22. 
    
23. var natural = require('natural'),
    
24.     classifier = new natural.BayesClassifier();
    
25. 
    
26. natural.BayesClassifier.load('classifier.json', null, function(err, classifier) {
    
27.         console.log(classifier.classify('did the tests pass?'));
    
28.     });

复制代码

1. /*
   
2. Copyright (c) 2011, Chris Umbel
   
3. 
   
4. Permission is hereby granted, free of charge, to any person obtaining a copy
   
5. of this software and associated documentation files (the "Software"), to deal
   
6. in the Software without restriction, including without limitation the rights
   
7. to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
   
8. copies of the Software, and to permit persons to whom the Software is
   
9. furnished to do so, subject to the following conditions:
   
10. 
    
11. The above copyright notice and this permission notice shall be included in
    
12. all copies or substantial portions of the Software.
    
13. 
    
14. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
    
15. IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    
16. FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
    
17. AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
    
18. LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
    
19. OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
    
20. THE SOFTWARE.
    
21. */
    
22. 
    
23. var natural = require('natural'),
    
24.     classifier = new natural.BayesClassifier();
    
25. 
    
26. 
    
27. classifier.addDocument('my unit-tests failed.', 'software');
    
28. classifier.addDocument('tried the program, but it was buggy.', 'software');
    
29. classifier.addDocument('the drive has a 2TB capacity.', 'hardware');
    
30. classifier.addDocument('i need a new power supply.', 'hardware');
    
31. 
    
32. classifier.train();
    
33. 
    
34. classifier.save('classifier.json', function(err, classifier) {
    
35.         // the classifier is saved to the classifier.json file!
    
36.     });

复制代码

1. /*
   
2. Copyright (c) 2011, Chris Umbel
   
3. 
   
4. Permission is hereby granted, free of charge, to any person obtaining a copy
   
5. of this software and associated documentation files (the "Software"), to deal
   
6. in the Software without restriction, including without limitation the rights
   
7. to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
   
8. copies of the Software, and to permit persons to whom the Software is
   
9. furnished to do so, subject to the following conditions:
   
10. 
    
11. The above copyright notice and this permission notice shall be included in
    
12. all copies or substantial portions of the Software.
    
13. 
    
14. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
    
15. IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    
16. FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
    
17. AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
    
18. LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
    
19. OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
    
20. THE SOFTWARE.
    
21. */
    
22. 
    
23. var natural = require('natural'),
    
24.   inflector = natural.CountInflector;
    
25. 
    
26. console.log(inflector.nth(1));
    
27. console.log(inflector.nth(2));
    
28. console.log(inflector.nth(3));
    
29. console.log(inflector.nth(4));
    
30. console.log(inflector.nth(10));
    
31. console.log(inflector.nth(11));
    
32. console.log(inflector.nth(101));
    
33. console.log(inflector.nth(102));
    
34. console.log(inflector.nth(103));
    
35. console.log(inflector.nth(104));

复制代码

1. /*
   
2. Copyright (c) 2011, Chris Umbel
   
3. 
   
4. Permission is hereby granted, free of charge, to any person obtaining a copy
   
5. of this software and associated documentation files (the "Software"), to deal
   
6. in the Software without restriction, including without limitation the rights
   
7. to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
   
8. copies of the Software, and to permit persons to whom the Software is
   
9. furnished to do so, subject to the following conditions:
   
10. 
    
11. The above copyright notice and this permission notice shall be included in
    
12. all copies or substantial portions of the Software.
    
13. 
    
14. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
    
15. IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    
16. FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
    
17. AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
    
18. LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
    
19. OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
    
20. THE SOFTWARE.
    
21. */
    
22. 
    
23. var natural = require('natural'),
    
24.     nounInflector = new natural.NounInflector();
    
25. 
    
26. plural = nounInflector.pluralize('radius');
    
27. console.log(plural);
    
28. 
    
29. plural = nounInflector.pluralize('beer');
    
30. console.log(plural);
    
31. 
    
32. singular = nounInflector.singularize('radii');
    
33. console.log(singular);
    
34. 
    
35. singular = nounInflector.singularize('beers');
    
36. console.log(singular);

复制代码

1. /*
   
2. Copyright (c) 2011, Chris Umbel
   
3. 
   
4. Permission is hereby granted, free of charge, to any person obtaining a copy
   
5. of this software and associated documentation files (the "Software"), to deal
   
6. in the Software without restriction, including without limitation the rights
   
7. to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
   
8. copies of the Software, and to permit persons to whom the Software is
   
9. furnished to do so, subject to the following conditions:
   
10. 
    
11. The above copyright notice and this permission notice shall be included in
    
12. all copies or substantial portions of the Software.
    
13. 
    
14. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
    
15. IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    
16. FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
    
17. AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
    
18. LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
    
19. OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
    
20. THE SOFTWARE.
    
21. */
    
22. 
    
23. var natural = require('natural'),
    
24.     nounInflector = new natural.NounInflector();
    
25. 
    
26. nounInflector.attach();
    
27. 
    
28. console.log('beers'.singularizeNoun());
    
29. console.log('radii'.singularizeNoun());
    
30. 
    
31. console.log('beer'.pluralizeNoun());
    
32. console.log('radius'.pluralizeNoun());

复制代码

1. /*
   
2. Copyright (c) 2011, Chris Umbel
   
3. 
   
4. Permission is hereby granted, free of charge, to any person obtaining a copy
   
5. of this software and associated documentation files (the "Software"), to deal
   
6. in the Software without restriction, including without limitation the rights
   
7. to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
   
8. copies of the Software, and to permit persons to whom the Software is
   
9. furnished to do so, subject to the following conditions:
   
10. 
    
11. The above copyright notice and this permission notice shall be included in
    
12. all copies or substantial portions of the Software.
    
13. 
    
14. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
    
15. IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    
16. FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
    
17. AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
    
18. LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
    
19. OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
    
20. THE SOFTWARE.
    
21. */
    
22. 
    
23. var natural = require('natural'),
    
24.     phonetic = natural.Metaphone;
    
25. 
    
26. var wordA = 'phonetics';
    
27. var stdin = process.openStdin();
    
28. stdin.setEncoding('ascii');
    
29. 
    
30. process.stdout.write('try to enter a word that sounds like "' + wordA +'": ');
    
31. 
    
32. stdin.on('data', function (wordB) {
    
33.         if(phonetic.compare(wordA, wordB))
    
34.             process.stdout.write('they sound alike!\n');
    
35.         else
    
36.             process.stdout.write('sorry, they don\'t sound alike.\n');
    
37. 
    
38.         process.exit();
    
39.     });

复制代码

1. /*
   
2. Copyright (c) 2011, Chris Umbel
   
3. 
   
4. Permission is hereby granted, free of charge, to any person obtaining a copy
   
5. of this software and associated documentation files (the "Software"), to deal
   
6. in the Software without restriction, including without limitation the rights
   
7. to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
   
8. copies of the Software, and to permit persons to whom the Software is
   
9. furnished to do so, subject to the following conditions:
   
10. 
    
11. The above copyright notice and this permission notice shall be included in
    
12. all copies or substantial portions of the Software.
    
13. 
    
14. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
    
15. IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    
16. FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
    
17. AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
    
18. LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
    
19. OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
    
20. THE SOFTWARE.
    
21. */
    
22. 
    
23. var natural = require('natural'),
    
24.     phonetic = natural.Metaphone;
    
25. 
    
26. phonetic.attach();
    
27. var wordA = 'phonetics';
    
28. var stdin = process.openStdin();
    
29. stdin.setEncoding('ascii');
    
30. 
    
31. process.stdout.write('try to enter a word that sounds like "' + wordA +'": ');
    
32. 
    
33. stdin.on('data', function (wordB) {
    
34.         if(wordA.soundsLike(wordB))
    
35.             process.stdout.write('they sound alike!\n');
    
36.         else
    
37.             process.stdout.write('sorry, they don\'t sound alike.\n');
    
38.        
    
39.         process.exit();
    
40.     });

复制代码

1. /*
   
2. Copyright (c) 2011, Chris Umbel
   
3. 
   
4. Permission is hereby granted, free of charge, to any person obtaining a copy
   
5. of this software and associated documentation files (the "Software"), to deal
   
6. in the Software without restriction, including without limitation the rights
   
7. to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
   
8. copies of the Software, and to permit persons to whom the Software is
   
9. furnished to do so, subject to the following conditions:
   
10. 
    
11. The above copyright notice and this permission notice shall be included in
    
12. all copies or substantial portions of the Software.
    
13. 
    
14. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
    
15. IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    
16. FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
    
17. AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
    
18. LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
    
19. OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
    
20. THE SOFTWARE.
    
21. */
    
22. 
    
23. var natural = require('natural'),
    
24.     phonetic = natural.DoubleMetaphone;
    
25. 
    
26. var sentence = 'phonetic modules contain algorithms';
    
27. var stdin = process.openStdin();
    
28. stdin.setEncoding('ascii');
    
29. phonetic.attach();
    
30. process.stdout.write('enter a word that sounds like one of these, "' + sentence +'": ');
    
31. 
    
32. words = sentence.tokenizeAndPhoneticize();
    
33. 
    
34. function findMatch(input) {
    
35.     inputSounds = input.phonetics();
    
36.     console.log(inputSounds);
    
37.    
    
38.     for(var i = 0; i < words.length; i++) {
    
39.         wordSounds = words[i];
    
40.        
    
41.         if(wordSounds == inputSounds) {
    
42.             process.stdout.write('match found!\n');
    
43.             return;
    
44.         }
    
45.     }
    
46. 
    
47.     process.stdout.write('no match found.\n');
    
48.     return;
    
49. }
    
50. 
    
51. stdin.on('data', function (input) {
    
52.         findMatch(input);
    
53.         process.exit();
    
54.     });

复制代码