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CS 121/ INF 141: Information Retrieval

UC Irvine, Donald Bren School of Information and Computer Sciences

Prof. Crista Lopes

Fall 2021

Catalogue description

An introduction to information retrieval including indexing, retrieval, classifying, and clustering text and multimedia documents.


👻 Welcome!

Jun 22 · 1 min read

Welcome! This is an archived course page and is no longer active (that must explain the ghosts in the sidebar…)

I served as the Teaching Assistant for this course in Fall 2021. This course page was not actively used while I taught, but I made it afterwards so that I can keep a repository of my old discussion materials and so that they could maybe get reused by future TAs.

If you’re a current Information Retrieval student, the Resources page will probably be helpful for you. Additionally, look at the Discussion page for a weekly breakdown of my materials. If you’re a current student, I can’t guarantee its up-to-date, of course.

I also created a “mini Brooke syllabus” for my discussion sections. They probably didn’t read it honestly, but it helped me stay organized!

Hopefully this helps. I tried to dump everything I made here, but if you have any questions, please feel free to email me if you need to (

Happy teaching! ☺️

Copyright © Brooke K. Ryan 2021