1. Lebeuf, C.R.: A taxonomy of software bots: towards a deeper understanding of software bot characteristics. PhD thesis, UVic (2018)
2. Etzioni, O.: Intelligence without robots: a reply to brooks. AI Mag. 14(4), 7 (1993)
3. Charpenay, V., Amundsen, M., Mayer, S., Padget, J., Schraudner, D., Vachtsevanou, D.: 6.2 affordances and signifiers. Auto. Agents Web, 67 (2021)
4. Lemee, J., Vachtsevanou, D., Mayer, S., Ciortea, A.: Signifiers for affordance-driven multi-agent systems. In: EMAS (2022)
5. Goertzel, B.: Toward a formal model of cognitive synergy (2017). arXiv:1703.04361