In the paper, a knowledge based approach to tackle the information retrieval problem is presented and a new paradigm called conceptual retrieval paradigm is proposed.
本文在传统检索方法的基础上，综合运用人工智能基于知识的理论和技术，提出一种文本概念检索方法。
Economists' researches on knowledge are based on the strict paradigm of Economics and are developing with the evolution of it.
经济学家们对于知识的研究是依托于严谨的经济学范式之中的，同时也是随着经济学范式的演进而不断深化的。
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