Cognitive Foundry 3.4.1

Released May 11, 2015
This version contains mainly upgraded versions of dependencies. It also has some bug fixes, performance improvements, and adds an ALS implementation of Factorization Machines.

Release notes:

• General:
  • Updated MTJ to version 1.0.2 and netlib-java to 1.1.2.
  • Updated XStream to version 1.4.8.
• Common:
  • Fixed issue in VectorUnionIterator.
• Learning:
  • Added Alternating Least Squares (ALS) Factorization Machine training
    implementation.
  • Fixed performance issue in Factorization Machine where linear component
    was not making use of sparsity.
  • Added utility function to sigmoid unit.