Byoung-Tak Zhang Random Hypergraph Models of Learning and Memory in Biomolecular Networks: Shorter-Term Adaptability vs. Longer-Term Persistency. 344-349 2007 conf/foci/2007 FOCI http://doi.ieeecomputersociety.org/10.1109/FOCI.2007.371494 db/conf/foci/foci2007.html#Zhang07