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An information processing system is disclosed which provides a writer with acceptable replacement phrases to substitute for trite phrases in a manuscript text. The replacement phrases are grammatically equivalent to the trite phrases and can be immediately inserted into the text without further alte

An information processing system is disclosed which provides a writer with acceptable replacement phrases to substitute for trite phrases in a manuscript text. The replacement phrases are grammatically equivalent to the trite phrases and can be immediately inserted into the text without further alteration.

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In an information processing system including an input unit connected to an input word stream of natural language text, a storage unit for storing natural language text, an execution unit for executing instructions to process natural language text and an output unit for displaying an output word str

In an information processing system including an input unit connected to an input word stream of natural language text, a storage unit for storing natural language text, an execution unit for executing instructions to process natural language text and an output unit for displaying an output word stream of natural language text, a process for the replacement of natural language test, a process for the replacement of natural language source phrases contained in said input word stream with natural language replacement phrases which are inserted into said output word stream, comprising the steps of: storing a plurality of phrase-pair expressions in said storage unit, each said expression including a source phrase segment containing a variable source word element and a constant source word element and each said expression including a replacement phrase segment containing a variable replacement word element and a constant replacement word element; storing a source table is said storage unit, having a plurality of source word element values arranged into a plurality of ranks having a grammatically significant sequence, said varaible source word element in said plurality of phrase-pair expressions serving as a pointer for accessing said source table; storing a replacement table in said storage unit, having a plurality of replacement word element values arranged into a plurality of ranks having a grammatically significant sequence with values in each rank of said replacement table being grammatically equivalent to said values in a corresponding rank of said source table, said variable replacement word element in said phrase-pair expressions serving as a pointer for accessing said replacement table; comparing in said execution unit, first input words from said input word stream with said constant source word elements in said plurality of phrase-pair expressions and accessing a first one of said phrase-pair expressions having a constant source word element equal to said first input words; identifying a second input word adjacent to said first input words thus compared; accessing said source table which is pointed to by said variable source word element in said first one of said phrase-pair expressions, comparing each of said source word element values in said source table with said second input word from said input word stream and identifying the grammatically significant rank of the source word element value in said source table which is equal to said second input word; accessing said replacement table which is pointed to by said variable replacement word element in said first one of said phrase-pair expressions, and accessing from said replacement table the grammatically equivalent replacement word element value in the rank of said replacement table which corresponds to said grammatically significant rank identified in said source table; outputting an output replacement phrase to said output unit, which includes said grammatically equivalent replacement word element value and said constant replacement word element from said first one of said phrase-pair expressions.