@inproceedings{gaertner03graphkernels,
title = {On Graph Kernels: Hardness Results and Efficient Alternatives},
author = {Thomas Gärtner and Peter Flach and Stefan Wrobel},
booktitle = {Computational Learning Theory and Kernel Machines --- Proceedings of the 16th Annual Conference on Computational Learning Theory and 7th Kernel Workshop (COLT/Kernel 2003) August 24-27, 2003, Washington, DC, USA},
editor = {Bernhard Schölkopf and Manfred K. Warmuth},
month = {August},
pages = {129--143},
publisher = {Springer, Berlin--Heidelberg, Germany},
series = {Lecture Notes in Computer Science},
volume = {2777},
year = {2003},
keywords = {graph-kernels }
}
::