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<p>A knowledge-based database assistant (KDA) which integrates a natural language query system with a skeleton-based query guiding facility is provided. When a user works with the KDA natural language query system, the query guiding facility can supply several kinds of skeletons to guide users in performing database retrieval tasks. A semantic network model, S-Net, is introduced to represent the knowledge for natural language query processing and skeleton generation. Methods for implementing the system are discussed.</p>
knowledge-based database assistant; natural language query system; skeleton-based query guiding; KDA; database retrieval; semantic network model; natural language query processing; skeleton generation; deductive databases; knowledge based systems; natural language interfaces; query languages

X. Wu and T. Ichikawa, "KDA: A Knowledge-Based Database Assistant with a Query Guiding Facility," in IEEE Transactions on Knowledge & Data Engineering, vol. 4, no. , pp. 443-453, 1992.
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