@techreport{hinrichs2007transfer,
title="Transfer Learning Level Definitions",
author="Timothy Hinrichs and Tyler Hicks-Wright and Charles Petrie and Eric Schkufza and Michael Genesereth",
institution="Stanford University",
number="LG-2007-01",
address="Stanford, CA",
year="2007",
note="http://logic.stanford.edu/reports/LG-2007-01.pdf"
}