A Query Expansion Word Recommending Model Based on Concept Lattice
You-bing Gao · Microelectronics & Computer · 2008
Concept Lattice is a kind of mathematic tools which is adept in describing hierarchy relationship,and is widely used in the rule extraction and the data analysis.This paper import concept lattice theory to build a mathematic model for the document-concept formal context.Using the concept lattice,Hasse diagram and confidence rate this article presents a query expansion word generation algorithm based on concept lattice,and provides more accurate similar terms as