@INBOOK{Ramos_03,
    AUTHOR      = {V. Ramos and J. J. Merelo},
    TITLE       = {{Self-Organized Stigmergic Document Maps:
                   Environment as a Mechanism for Context Learning}},
    CHAPTER     = {7},
    PAGES       = {284--293},
    PUBLISHER   = {Centro University de {M\'{e}rida}},
    YEAR        = {2002},
    VOLUME      = {1},
    SERIES      = {AEB2002 1st Spanish Conference on Evolutionary and
                   Bio-Inspired Algorithms},
    ADDRESS     = {},
    EDITION     = {},
    MONTH       = {Feburary},
    NOTE        = {},
    KEY         = {},
    KEYWORDS    = {Ant Systems, Unsupervised Clustering, Data Retrieval,
                   Data Mining, Distributed Computing, Document Maps,
                   Textual Document Clustering},
    ISBN        = {},
    URL         = {http://alfa.ist.utl.pt/~cvrm/staff/vramos/ref_42.html},
    ABSTRACT    = {},
}