Leydesdorff, L. & Welbers, K. (2010). The semantic mapping of words and co-words in contexts (cite arxiv:1011.5209)

man Yeung, C., Gibbins, N. & Shadbolt, N. (2007). Mutual Contextualization in Tripartite Graphs of Folksonomies. In K. Aberer, K.-S. Choi, N. Noy, D. Allemang, K.-I. Lee, L. Nixon, J. Golbeck, P. Mika, D. Maynard, R. Mizoguchi, G. Schreiber & P. Cudré-Mauroux (ed.), The Semantic Web , Vol. 4825 (pp. 966-970) . Springer .