McDonnell Douglas Electronic Systems Company: description of the INLET system used for MUC-3
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چکیده
action organization —cici l io n —.name ▪ actor nationality military — assassi n — person .. coemando extremist —kil le a .—eurderr .. . narcotrrr 1 a t tarrorisf rebel ...robber • subversive .. guerrilla attr{ terrorist nouns— guerrill a ▪ terrorist ...thief ...attribute location � misc --scala r — Spanis h thing Figure 3 : Hierarchy Edito r INLET : Interactive Natural Language Engineering Too l USER : (none) DOIIA111 : (none ) KB Ed Knowledge Base Graph Tool ® O O O (] ® Find : ob j c(} .' ,] (Prune) (Prune All) (Grow) (Grow Al)) (Options) (Done ) (Entire Graph) (Redisplay) ("off (Recalculate Graph) ANALYZ ID : C off Children : (Add Vocabulary) L..R»:cl last-uni t last-weekda y RULE EDITOR : professional (1 of 1) (Redisplay) (Insert) (Delete) (Delete Rule) (Salient) O 0 (Cancel) o n Node(s) : Rule modes : . .̂ atom Suggested concept : professional profession general —stem-* civilian of det quan adJ country-adj adj abstract number
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McDonnell Douglas Electronic Systems company: description of the TEXUS system as used for MUC-4
Unlike most natural language processing (NLP) systems, TexUS (Text Understanding System) is being developed as a domain-independent shell, to facilitate the application of language analysis to a variety of tasks and domains of discourse . Our work not only develops robust and generic language analysis capabilities, but also elaborate s knowledge representations, knowledge engineering methods, a...
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Because we are in transition from one system (VOX) to another (INLET), our scores reflect the performance of a very new and incomplete analyzer, as well as a small vocabulary and knowledge base. To be able to participate in MUC3, we implemented only a skimming capability, rather than a full-fledged syntax-driven language analyzer . Considering the statu s of our project, we feel INLET's perform...
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Our MUC4 TexUS system not only incorporates many of the concepts, knowledge, and algorithm s from our MUC3 INLET system, but also represents our first version of a domain-independent end-to-end natural language processing capability. Although we are excited that our system correctly process tex t from the lexical to the discourse level for the first time, we stress that the MUC4 system is a fra...
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Synchronetics, Inc ., is a startup company in Baltimore founded to develop text processing software product s for the commercial and Government sectors . The company, consisting of 7 people, was founded in 1989 . Synchronetics had two natural language processing software development projects prior to participatio n in MUC-3: an off-the-shelf parsing utility called NL-Builder ; and a text retrie...
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