booktitle = "2015 IEEE Symposium Series on Computational
Intelligence",
title = "Evolving Workflow Graphs Using Typed Genetic
Programming",
year = "2015",
pages = "1407--1414",
abstract = "When applying machine learning techniques to more
complicated datasets, it is often beneficial to use
ensembles of simpler models instead of a single, more
complicated, model. However, the creation of ensembles
is a tedious task which requires a lot of human
interaction and experimentation. In this paper, we
present a technique for construction of ensembles based
on typed genetic programming. The technique describes
an ensemble as a directed acyclic graph, which is
internally represented as a tree evolved by the genetic
programming. The approach is evaluated in a series of
experiments on various datasets and compared to the
performance of simple models tuned by grid search, as
well as to ensembles generated in a systematic
manner.",