Skip to content

Summary and implementation of teachings in the Information Retrieval course at the University of Freiburg.

License

Notifications You must be signed in to change notification settings

HAKSOAT/InformationRetrieval-Uni-Freiburg

Repository files navigation

Information Retrieval WS 17/

My implementation of course discussions and exercises as I go through it.

Exercise Files

You'll get an empty exercise_files directory. To populate it, run the download_exercise_files.sh file on the unix terminal as:

./download_exercise_files.sh

Lectures

Here's a breakdown of the things I learned from the lectures.

Lecture 1

This lecture teaches:

  • How inverted indexes work
  • Understanding Zipf's law
  • How to create an inverted index
  • How to use the and operation on multiple keywords

Lecture 2

This lecture teaches:

  • How to rank documents
  • Explains the Term Frequency, Document Frequency, TF.IDF, BM25 and how they can help with ranking
  • How to evaluate search engines
  • Explains the Precision, Average Precision, Mean Precisions, Discounted Cumulative Gain and Binary Pref methods of evaluating search engines

License

This project is licensed under the MIT License - see the LICENSE.md file for details

Acknowledgments

About

Summary and implementation of teachings in the Information Retrieval course at the University of Freiburg.

Resources

License

Stars

Watchers

Forks

Releases

No releases published

Packages

No packages published