FASTUS: A System for Extracting Information from Text
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چکیده
FAS'rUS is a (slightly permuted) acronym for Finite State Automaton Text Understanding System. It is a. system [br extracting information fi'om free text in English (Japanese is under development), for entry into a database, and potentially for other apl)lications. It works essentially as a set of cascaded, nondeterministic finite state automata . FASTUS is rnost appropriate for inform.ation e~:lraclion tasks, rather than fldl text understanding. Tha t is, it. is most effective for text-scanning tasks where
منابع مشابه
FASTUS: A Cascaded Finite-State Transducer for Extracting Information from Natural-Language Text
FASTUS is a system for extracting information from natural language text for entry into a database and for other applications. It works essentially as a cascaded, nondeterministic nite-state automaton. There are ve stages in the operation of FASTUS. In Stage 1, names and other xed form expressions are recognized. In Stage 2, basic noun groups, verb groups, and prepositions and some other partic...
متن کاملSri International: Description of the Fastus System Used for Muc-3
FASTUS is a (slightly permuted) acronym for Finite State Automaton Text Understanding System. It is a system for extracting information from free text in English, and potentially other languages as well, for entry into a database, and potentially for other applications. It works essentially as a cascaded, nondeterministic finite state automaton. It is an information extraction system, rather th...
متن کاملFASTUS: Extracting Information from Natural- Language Texts
FASTUS is a system for extracting information from natural language text for entry into a database and for other applications. It works essentially as a cascaded, nondeterministic finite-state automaton. There are five stages in the operation of FASTUS. In Stage 1, names and other fixed form expressions are recognized. In Stage 2, basic noun groups, verb groups, and prepositions and some other ...
متن کاملFASTUS: A System for Extracting Information from Natural-Language Text
FASTUS is a system for extracting information from free text in English, and potentially other languages as well, for entry into a database, and potentially for other applications. It works essentially as a cascaded, nondeterministic finite state automaton. There are four steps in the operation of FASTUS. In Step 1 sentences are scanned for certain trigger words to determine whether further pro...
متن کاملSRI International: description of the FASTUS system used for MUC-4
FASTUS is a (slightly permuted) acronym for Finite State Automaton Text Understanding System . It is a system for extracting information from free text in English, and potentially other languages as well, for entry into a database, and potentially for other applications . It works essentially as a cascaded , nondeterministic finite state automaton . It is an information extraction system, rathe...
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تاریخ انتشار 1993