1. J. Aitchison, A. Gilchrist, and D. Bawden. Thesaurus construction and use: a practical manual. Europa, London, 2000.
2. L. Aroyo, R. Brussee, L. Rutledge, P. Gorgels, N. Stash, and Y. Wang. Personalized museum experience: The Rijksmuseum use case. In J. Trant and D. Bearman, editors, Museums and the Web 2007: Proceedings, pages 137–144, 2007.
3. L. Aroyo, E. Hyvönen, and J. van Ossenbruggen, editors. Cultural Heritage on the Semantic Web. Workshop Proceedings. The 6th International Semantic Web Confereence and the 2nd Asian Semantic Web Conference, Busan, Korea. 2007.
4. L. Aroyo, N. Stash, Y. Wang, P. Gorgels, and L. Rutledge. CHIP demonstrator: Semantics-driven recommendations and museum tour generation. In Proceedings of ISWC 2007 + ASWC 2007, Busan, Korea, pages 879–886. Springer, 2007.
5. R. Baeza-Yates and B. Ribeiro-Neto. Modern Information Retrieval. Addison-Wesley, 1999.