visualization nlp natural-language-processing sentiment-analysis pattern-matching chatbot vectorizer ner wink hacktoberfest pos-tagging tokenize bm25 sentence-boundary-detection word-vectors sbd named-entity-extraction negation-handling custom-entity-detection wink-nlp

natural-language-processing vietnamese named-entity-recognition tf-idf pos-tagging vietnamese-nlp vietnamese-tokenizer language-identification vietnamese-text-classification

search-engine django topic-modeling word-segmentation pos-tagging document-similarity lemmatization latent-semantic-indexing clawer