org/), and the American Association
for Artificial Intelligence (AAAI) (http://www.aaai.org/).
FIRST:.Flexible.Information.extRaction.SysTem
This section discusses our experimental system FIRST. FIRST extracts information
from financial documents to produce XML files for other e-business applications.
According to Appelt and Israel (1999), the knowledge engineering approach
performs best when linguistic resources such as lexicons are available, when
knowledge engineers who can write rules are available, and when training data
is sparse and expensive to find. Based on these constraints, our system, FIRST,
employs the knowledge engineering approach. FIRST is an experimental system
for extracting semantic facts from online documents. Currently, FIRST works in
the domain of finance, extracting primarily from the WSJ. The inputs to FIRST are
0 Conlon, Lukose, Hale, and V njamur
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news articles while the output is the information in an explicit form contained in
a template.
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