This is the podcast for the fifth class, in which we dive into models for retrieving information. We had already looked at the vector space model. Now we talk about boolean retrieval and language models for retrieval.

Retrieval models-1

Tools for organizing and accessing information have become indispensable. It is critical, therefore, to understand their design and operational foundations. In this course students will have an opportunity to learn about search engines, web crawling, and some Web 2.0 technologies based on hands-on experience and with a focus on techniques that can be used to access, retrieve, organize, and present information. Students will work with practical developmental tools and learn relevant concepts through experimentation. For instance, students will employ an open source search engine and learn about indexing, retrieving, and ranking techniques.

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Retrieval models-1

Retrieval models-1