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Abstract

An associative memory processor architecture is disclosed for the fast and efficient execution of parsing algorithms for natural language processing and pattern recognition applications. The architecture consists of an associative memory unit for the storage of parsing state representations, a random access memory unit for the storage of the grammatical rules and other tables according to which the parsing is done, a finite state parsing control unit which embodies the chosen parsing algorithm, and a communications unit for communication with a host processor or external interface. The use of associative memory for the storage of parsing state representations allows the architecture to reduce the algorithmic time complexity of parsing algorithms both with respect to grammar size and input string length, when compared to standard software implementations on general purpose computers. The disclosed architecture provides for a fast and compact computer peripheral or system, particularly when physically realized in one or a small number of integrated circuit chips, and thus contributes to the technical feasibility, of real time applications in speech recognition, machine translation, and syntactic pattern recognition.

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First Claim