Here is an example for LightGBM to run LambdaRank task.

You must follow the installation instructions for the following commands to work. The lightgbm binary must be built and available at the root of this project.

Run the following command in this folder:

"../../lightgbm" config=train.conf

You should finish training first.

Run the following command in this folder:

"../../lightgbm" config=predict.conf

To learn more about the query format used in this example, check out the query data format.