NLP is used to investigate methodologies to formalize and formulate the interactions between computers and human (natural) languages. NLP is a comprehensive subject, and involves using computer linguistics algorithms and human–computer interaction technologies and methodologies to process complex unstructured data. NLP can be used for a variety of cases, including the following:
Topic identification: To discover topics in a text repository and classify the documents in the repository according to the discovered topics
Sentiment analysis: To classify the text according to the positive or negative sentiments that it contains
Machine translation: To translate the text from one spoken human language to another
Text to speech: To convert spoken words into text
Subjective interpretation: To intelligently interpret a question and answer...
