Thus for the first statement, FIRST
fills the lots as:
Financial Item: sales
Financial Status: strong
For the second sentence, FIRST fills the lots as:
Financial Item: sales
Financial Status: increase
Semantic.Analysis
FIRST.does not do full semantic analysis, but it is able to recognize that certain
words have similar meanings. FIRST relies heavily on WordNet as a source of such
semantic information. WordNet is an online lexical database developed by the Cognitive
Science Laboratory at Princeton University, under the direction of Professor
George A. Miller (Fellbaum, 1998; Miller et al., 1990; Miller 1995). WordNet is
organized around a lexical concept called a synonym set, or synset??”a set of words
that can be interchanged in some context without changing the truth value of the
proposition in which they are embedded. WordNet contains information about
nouns, verbs, adjectives, and adverbs. Each synset consists of a list of words (or
phrases) and the pointers that describe the relation between that synset and other
Automat cally Extract ng and Tagg ng Bus ness Informat on for E-Bus ness Systems
Copyright ?© 2007, Idea Group Inc.
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