Staab, S., Angele, J., Decker, S., Erdmann, M., Hotho, A., Maedche, A., Schnurr, H.-P., Studer, R. & Sure, Y. (2000). Semantic community Web portals. Comput. Netw., 33, 473--491. doi: http://dx.doi.org/10.1016/S1389-1286(00)00039-6