Walid Krichene

Previous work

CTR prediction

Prediction of Click-Through-Rate on banner ads using regression trees and logistic regression. Criteo (2010-2011).

Elastic Net Regularization

Machine Learning class project (2009).

Study of the Elastic Net algorithm for feature selection in a high dimensionality feature space, and application to cancer classification.
Report (French): pdf

3D Tic Tac Toe in Java

Project for a Computer Science and AI class (2008)

Implementation of a minimax AI with alpha-beta pruning and heuristic enhancements for an extended version of the classic Tic Tac Toe game. The game is set on a 3d grid. The objective is to mark 4 aligned spheres with the player's color.

Report (French): pdf
Java program: jar
Source code: rar

Geodesics and projections

TIPE project (2007).

Research project presented during the oral entrance exam to the French 'Grandes Ecoles’ science and engineering schools.
Proof of Gauss’ Theorema Egregium. Applications to projections of the Sphere on a plan.
Ocaml program to visualize projections of a spheric map on a plane.

Report (French): pdf
Ocaml program: ml

As an extension to this project, I made an interactive 3d model of Earth for fun.
Flash program: swf
Source: fla