Installation:

1. Install Java 11 (JDK/OpenJDK)
   For those who install Java the first time or already install another version, please set your PATH & JAVA_HOME

2. Install Maven (>= 3.5)

3. clone the anserini from GitHub

4. go to the directory and compile it.

Usage:

Regrettably, though it is a fabulous tool, it does not have a complete document about itself. (Maybe because of its frequent update.)

Try to follow the examples it provides, and you may find these links useful:

1. Anserini Docs

2. Common Indexing Options

Dive in to the Case:

To show my kindness, let’s check this example together:

MS MACRO with BM25

Pyserini:

In most cases, anserini is a kind of command-line tools. However, feel free to use it in a Python program:

Pyserini

Murmur as an End:

We are going to have a historical hard Project 3: RecSys Challenge 2020, which is an industrial-grade IR problem.
You may need such a tool to help you address with such ****ing large dataset, or you may find that you spend a whole week waiting for preprocessing.