Bangla NLTK
===================
banglanltk is a python package for Bengali Natural Language Processing Toolkit. It includes modules for Cleaning Text, Word Tokenization, Sentence Tokenization, Stemming, Synonym and Parts of speech tagging.
----------
## Installation
```bash
pip install banglanltk
```
## Usage
### Cleaning Text
```python
import banglanltk as bn
s = 'আজ আকাশ পরিষ্কার!!! মনে হয় আজ আর বৃষ্টি হবে না .........!'
print(bn.clean_text(s))
```
### Word Tokenization
```python
import banglanltk as bn
s = 'প্রাচীন কালে মানুষ একসময় সংখ্যা বুঝানোর জন্য ঝিনুক, নুড়ি, দড়ির গিট ইত্যাদি ব্যবহার করত।'
print(bn.word_tokenize(s))
```
### Sentence Tokenization
```python
import banglanltk as bn
s = ''' কম্পিউটার শব্দটি গ্রিক "কম্পিউট" শব্দ থেকে এসেছে। Compute শব্দের অর্থ গণনা করা। আর কম্পিউটার শব্দের অর্থ গণনাকারী যন্ত্র। '''
print(bn.sent_tokenize(s))
```
### Stemming
```python
import banglanltk as bn
# For single word
print(bn.stemmer('শান্তিনিকেতনে'))
# For multiple words
text = 'আজ বৃষ্টি হবে।'
words = bn.word_tokenize(text)
for w in words:
print(bn.stemmer(w))
```
### Synonym
```python
import banglanltk as bn
print(bn.synonym('হাত'))
```
### POS Tagging
```python
import banglanltk as bn
# For single word
print(bn.pos_tag('কম্পিউটার'))
# For multiple words
text = 'আজ বৃষ্টি হবে।'
words = bn.word_tokenize(text)
for w in words:
print(bn.pos_tag(w))
```
### List of POS tags
| POS | Meaning |
|-----------|-------------------------------------------|
| `CC` | Conjunction |
| `CD` | Cardinal number |
| `DM` | Demonstrative |
| `DT` | Determiner |
| `EX` | Existential there |
| `FW` | Foreign word |
| `IN` | Preposition |
| `JJ` | Adjective |
| `JJR` | Adjective, comparative |
| `JJS` | Adjective, superlative |
| `MD` | Modal |
| `NN` | Noun, singular or mass |
| `NNP` | Proper noun, singular |
| `NNS` | Noun, plural |
| `NNV` | Verbal Noun |
| `PR` | Pronoun |
| `PRP` | Personal pronoun |
| `PRP$` | Possessive pronoun |
| `PSP` | Postposition |
| `RB` | Adverb |
| `RBR` | Adverb, comparative |
| `RP` | Particles |
| `SYM` | Symbol |
| `TO` | to |
| `UH` | Interjection |
| `UNK` | Unknown tag |
| `VB` | Verb, base form |
| `VBD` | Verb, past tense |
| `VBG` | Verb, present participle |
| `VBN` | Verb, past participle |
| `VBP` | Verb, non-3rd person singular present |
| `WDT` | Wh-determiner |
| `WH` | Wh words |
| `WP` | Wh-pronoun |
| `WRB` | Wh-adverb |
