| 单词 | semantic network |
| 释义 | > as lemmassemantic network semantic network n. a graphical representation of a set of words or concepts and their semantic relationships to one another. ΚΠ 1964 Behavioral Sci. 9 274/2 Changes in the semantic network occur within steps. When a step commences the network is in some state s. By the end of the step, changes may have occurred in the status of individual semantic elements, and in the strengths of interrelations among the elements. 1988 J. G. Carbonell & S. Minton in J. R. Hobbs & R. C. Moore Formal Theories Commonsense World xi. 415 In a semantic network, knowledge about a domain is encoded as a graph. Typically the nodes represent concepts and the links relations. 1999 Sci. Amer. June 57/1 An index-based engine with access to a semantic network could, on receiving the query for ‘automobile’, first determine that ‘car’ is equivalent and then retrieve all Web pages containing either word. 2010 R. T. Nakatsu Diagrammatic Reasoning in AI iii. 79 In AI, semantic networks can also be used as a knowledge representation scheme that programs can use to retrieve information efficiently just like humans do. < as lemmas |
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