Reference:

Erkki Oja, Mats Sjöberg, Ville Viitaniemi, and Jorma Laaksonen. Emergence of semantics from multimedia databases. In Yen and Fogel, chapter 9.

Suggested BibTeX entry:

@incollection{WCCI2006,
    author = {Erkki Oja and Mats Sj{\"o}berg and Ville Viitaniemi and Jorma Laaksonen},
    booktitle = {Computational Intelligence: Principles and Practice},
    chapter = {9},
    editor = {Gary Y. Yen and David B. Fogel},
    publisher = {IEEE Computational Intelligence Society},
    title = {Emergence of Semantics from Multimedia Databases},
    year = {2006},
}