1. Alonso, O., Kamps, J.: Graph search and beyond. In: Agosti, M., Fuhr, N., Toms, E., Vakkari, P. (eds.) Evaluation Methodologies in Information Retrieval, Dagstuhl Reports, vol. 3 (10), chap. 4.3, pp. 108–111. Dagstuhl (2014)
2. Alonso, O., Kamps, J., Karlgren, J. (eds.): Proc. ESAIR 2014. ACM Press (2014).
http://dl.acm.org/citation.cfm?id=2663712
3. Bennett, P.N., Gabrilovich, E., Kamps, J., Karlgren, J. (eds.): Proc. ESAIR 2013. ACM Press (2013).
http://dl.acm.org/citation.cfm?id=2513204
4. Broder, A.: A taxonomy of web search. SIGIR Forum 36(2), 3–10 (2002)
5. Erdelez, S.: Information encountering: a conceptual framework for accidental information discovery. In: Proc. of ISIC. Taylor Graham Publishing, London (1997)