Important data are locked in ancient literature. It would be uneconomic to
produce these data again and today or to extract them without the help of text
mining technologies. Vespa is a text mining project whose aim is to extract
data on pest and crops interactions, to model and predict attacks on crops, and
to reduce the use of pesticides. A few attempts proposed an agricultural
information access. Another originality of our work is to parse documents with
a dependency of the document architecture
