1. Gómez-Gauchía, H., Díaz-Agudo, B., González-Calero, P.: Two-layered approach to knowledge representation using conceptual maps and description logics. In: Cañas, A.J., Novak, J.D., González, F.M. (eds.) Proc. of the First Int. Conference on Concept Mapping (2004)
2. Pereira, C.: A organização da informação e conhecimento em redes colaborativas como um processo de construção social do significado: uma teoria e um método prático. PhD Thesis. Faculdade de Engenharia da Universidade do Porto (2010)
3. Moor, A.: Ontology-Guided Meaning Negotiation in Communities of Practice. In: Proc. of the Workshop on the Design for Large-Scale Digital Communities at the 2nd International Conference on Communities and Technologies, Milano, Italy (June 2005)
4. Pereira, C., Sousa, C., Soares, A.: Short-Term Semantic Consensus: Towards Agile Ontology Specification for Collaborative Networks. Leveraging Knowledge for Innovation in Collaborative Networks. In: IFIP Advances in Information and Communication Technology. Springer, Boston (2009)
5. Pereira, C., Sousa, C., Soares, A.: A socio-semantic approach to collaborative domain conceptualization. In: Meersman, R., Herrero, P., Dillon, T. (eds.) On the Move to Meaningful Internet Systems: OTM 2009 Workshops. LNCS, vol. 5872, pp. 524–533. Springer, Heidelberg (2009)