For starters I used Bill Gate's wiki page as the sample text to summarize. Extractive summarization may be generated using a variety of methods. The challenge of generating a brief and fluent summary while maintaining important information and overall meaning is known as summarization. One advantage is that you won't have to train or create a model before utilizing it for your project. Cosine similarity is a measure of similarity that quantifies the cosine of the angle between two non-zero vectors in an inner product space.