Doc2vec '-' symbol occurrence
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Currently working on resume parser and struggled with embedding words with '-' symbols in them. Such as 'IT-manager'.
Vector representations of these words are incorrectly classified by doc2vec.
['it-manager']
[('salary', 0.23328335583209991), ('responsibilites', 0.22327110171318054), ('schedule', 0.14869527518749237), ('position', 0.12755176424980164)]
But when I remove '-' symbol, it is tokenized and classified right.
['it', 'manager']
[('position', 0.9306046962738037), ('schedule', 0.6630333662033081), ('responsibilites', 0.6081600189208984), ('salary', 0.5934453010559082)]
How do you work with such data properly? For this kind of task, I guess, it is better to exclude the symbol. But there may be a way to tell Doc2vec to treat these words like two different ones. Or perhaps tell the word_tokenizer to tokenize them in this fashion?
nlp word2vec word-embeddings nltk
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add a comment |
$begingroup$
Currently working on resume parser and struggled with embedding words with '-' symbols in them. Such as 'IT-manager'.
Vector representations of these words are incorrectly classified by doc2vec.
['it-manager']
[('salary', 0.23328335583209991), ('responsibilites', 0.22327110171318054), ('schedule', 0.14869527518749237), ('position', 0.12755176424980164)]
But when I remove '-' symbol, it is tokenized and classified right.
['it', 'manager']
[('position', 0.9306046962738037), ('schedule', 0.6630333662033081), ('responsibilites', 0.6081600189208984), ('salary', 0.5934453010559082)]
How do you work with such data properly? For this kind of task, I guess, it is better to exclude the symbol. But there may be a way to tell Doc2vec to treat these words like two different ones. Or perhaps tell the word_tokenizer to tokenize them in this fashion?
nlp word2vec word-embeddings nltk
$endgroup$
add a comment |
$begingroup$
Currently working on resume parser and struggled with embedding words with '-' symbols in them. Such as 'IT-manager'.
Vector representations of these words are incorrectly classified by doc2vec.
['it-manager']
[('salary', 0.23328335583209991), ('responsibilites', 0.22327110171318054), ('schedule', 0.14869527518749237), ('position', 0.12755176424980164)]
But when I remove '-' symbol, it is tokenized and classified right.
['it', 'manager']
[('position', 0.9306046962738037), ('schedule', 0.6630333662033081), ('responsibilites', 0.6081600189208984), ('salary', 0.5934453010559082)]
How do you work with such data properly? For this kind of task, I guess, it is better to exclude the symbol. But there may be a way to tell Doc2vec to treat these words like two different ones. Or perhaps tell the word_tokenizer to tokenize them in this fashion?
nlp word2vec word-embeddings nltk
$endgroup$
Currently working on resume parser and struggled with embedding words with '-' symbols in them. Such as 'IT-manager'.
Vector representations of these words are incorrectly classified by doc2vec.
['it-manager']
[('salary', 0.23328335583209991), ('responsibilites', 0.22327110171318054), ('schedule', 0.14869527518749237), ('position', 0.12755176424980164)]
But when I remove '-' symbol, it is tokenized and classified right.
['it', 'manager']
[('position', 0.9306046962738037), ('schedule', 0.6630333662033081), ('responsibilites', 0.6081600189208984), ('salary', 0.5934453010559082)]
How do you work with such data properly? For this kind of task, I guess, it is better to exclude the symbol. But there may be a way to tell Doc2vec to treat these words like two different ones. Or perhaps tell the word_tokenizer to tokenize them in this fashion?
nlp word2vec word-embeddings nltk
nlp word2vec word-embeddings nltk
edited 2 days ago
HFulcher
9513
9513
asked 2 days ago
GraygoodGraygood
83
83
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2 Answers
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$begingroup$
gensim's Phrases
module may also be helpful:
from gensim.models import Phrases
documents = [
"the mayor of new york was there",
"machine learning can be useful sometimes",
"new york mayor was present"
]
sentence_stream = [doc.split(" ") for doc in documents]
bigram = Phrases(sentence_stream, min_count=1, threshold=2)
sent = [u'the', u'mayor', u'of', u'new', u'york', u'was', u'there']
print(bigram[sent])
# Expected output:
# [u'the', u'mayor', u'of', u'new_york', u'was', u'there']
That code is from this other answer (I've copy-pasted it above for convenience).
For more on the Phrases
module, check this page out.
New contributor
$endgroup$
add a comment |
$begingroup$
Typically you would want to remove any symbols that do not contribute to the meaning of a token. In the case of 'it-manager' by removing the - you do not affect the interpretation of the word negatively. I would suggest filtering your vocabulary to identify all the words with other symbols in and make a judgement on whether you can filter the symbols without affecting the interpretation of the word.
You could do this using a regex filter such as:
m = re.search(r'[^w]', <some string>)
$endgroup$
add a comment |
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2 Answers
2
active
oldest
votes
2 Answers
2
active
oldest
votes
active
oldest
votes
active
oldest
votes
$begingroup$
gensim's Phrases
module may also be helpful:
from gensim.models import Phrases
documents = [
"the mayor of new york was there",
"machine learning can be useful sometimes",
"new york mayor was present"
]
sentence_stream = [doc.split(" ") for doc in documents]
bigram = Phrases(sentence_stream, min_count=1, threshold=2)
sent = [u'the', u'mayor', u'of', u'new', u'york', u'was', u'there']
print(bigram[sent])
# Expected output:
# [u'the', u'mayor', u'of', u'new_york', u'was', u'there']
That code is from this other answer (I've copy-pasted it above for convenience).
For more on the Phrases
module, check this page out.
New contributor
$endgroup$
add a comment |
$begingroup$
gensim's Phrases
module may also be helpful:
from gensim.models import Phrases
documents = [
"the mayor of new york was there",
"machine learning can be useful sometimes",
"new york mayor was present"
]
sentence_stream = [doc.split(" ") for doc in documents]
bigram = Phrases(sentence_stream, min_count=1, threshold=2)
sent = [u'the', u'mayor', u'of', u'new', u'york', u'was', u'there']
print(bigram[sent])
# Expected output:
# [u'the', u'mayor', u'of', u'new_york', u'was', u'there']
That code is from this other answer (I've copy-pasted it above for convenience).
For more on the Phrases
module, check this page out.
New contributor
$endgroup$
add a comment |
$begingroup$
gensim's Phrases
module may also be helpful:
from gensim.models import Phrases
documents = [
"the mayor of new york was there",
"machine learning can be useful sometimes",
"new york mayor was present"
]
sentence_stream = [doc.split(" ") for doc in documents]
bigram = Phrases(sentence_stream, min_count=1, threshold=2)
sent = [u'the', u'mayor', u'of', u'new', u'york', u'was', u'there']
print(bigram[sent])
# Expected output:
# [u'the', u'mayor', u'of', u'new_york', u'was', u'there']
That code is from this other answer (I've copy-pasted it above for convenience).
For more on the Phrases
module, check this page out.
New contributor
$endgroup$
gensim's Phrases
module may also be helpful:
from gensim.models import Phrases
documents = [
"the mayor of new york was there",
"machine learning can be useful sometimes",
"new york mayor was present"
]
sentence_stream = [doc.split(" ") for doc in documents]
bigram = Phrases(sentence_stream, min_count=1, threshold=2)
sent = [u'the', u'mayor', u'of', u'new', u'york', u'was', u'there']
print(bigram[sent])
# Expected output:
# [u'the', u'mayor', u'of', u'new_york', u'was', u'there']
That code is from this other answer (I've copy-pasted it above for convenience).
For more on the Phrases
module, check this page out.
New contributor
New contributor
answered 12 hours ago
JordiCarreraJordiCarrera
261
261
New contributor
New contributor
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add a comment |
$begingroup$
Typically you would want to remove any symbols that do not contribute to the meaning of a token. In the case of 'it-manager' by removing the - you do not affect the interpretation of the word negatively. I would suggest filtering your vocabulary to identify all the words with other symbols in and make a judgement on whether you can filter the symbols without affecting the interpretation of the word.
You could do this using a regex filter such as:
m = re.search(r'[^w]', <some string>)
$endgroup$
add a comment |
$begingroup$
Typically you would want to remove any symbols that do not contribute to the meaning of a token. In the case of 'it-manager' by removing the - you do not affect the interpretation of the word negatively. I would suggest filtering your vocabulary to identify all the words with other symbols in and make a judgement on whether you can filter the symbols without affecting the interpretation of the word.
You could do this using a regex filter such as:
m = re.search(r'[^w]', <some string>)
$endgroup$
add a comment |
$begingroup$
Typically you would want to remove any symbols that do not contribute to the meaning of a token. In the case of 'it-manager' by removing the - you do not affect the interpretation of the word negatively. I would suggest filtering your vocabulary to identify all the words with other symbols in and make a judgement on whether you can filter the symbols without affecting the interpretation of the word.
You could do this using a regex filter such as:
m = re.search(r'[^w]', <some string>)
$endgroup$
Typically you would want to remove any symbols that do not contribute to the meaning of a token. In the case of 'it-manager' by removing the - you do not affect the interpretation of the word negatively. I would suggest filtering your vocabulary to identify all the words with other symbols in and make a judgement on whether you can filter the symbols without affecting the interpretation of the word.
You could do this using a regex filter such as:
m = re.search(r'[^w]', <some string>)
answered 2 days ago
HFulcherHFulcher
9513
9513
add a comment |
add a comment |
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