@article{palla2008fundamental, title={Fundamental statistical features and self-similar properties of tagged networks}, author={Palla, Gergely and Farkas, Ill{\'e}s J and Pollner, P{\'e}ter and Der{\'e}nyi, Imre and Vicsek, Tam{\'a}s}, journal={New Journal of Physics}, volume={10}, number={12}, pages={123026}, year={2008}, publisher={IOP Publishing} }