Abstract: Semantic Textual Similarity (STS) is a one of Natural Language Processing tasks to measure closeness of contextual meaning of given words, sentences or paragraphs as the way of human understands language using a computer model.

Abstract: “Sentiment Analysis” (positive, negative polarity classification on the social media or customer reviews) is chosen as a major topic in the project, because

Abstract: The Blowfish is one of block cipher systems.