Evaluation methods among goods or services are unsuitable for evaluating pieces of information due to a property they can copy without cost. In this article, I provide a model to evaluate information. It is based on the assumption that valuable information means that we can add other information to it without inconsistency. Pieces of information are represented as feature structures used in the linguistic processing areas, and adding pieces of information is operated as unification. A simple way to rank information, provided in this article, is ordered by the number of successful unifications among valuable information as criteria.

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Evaluating Information by Using Unification Among Feature Structures

  • Takafumi Mizuno

摘要

Evaluation methods among goods or services are unsuitable for evaluating pieces of information due to a property they can copy without cost. In this article, I provide a model to evaluate information. It is based on the assumption that valuable information means that we can add other information to it without inconsistency. Pieces of information are represented as feature structures used in the linguistic processing areas, and adding pieces of information is operated as unification. A simple way to rank information, provided in this article, is ordered by the number of successful unifications among valuable information as criteria.