• 后截词(词尾截词):
• 有限截词
• computer? ? → computer,computers • stud??? → study,studies,studio,studied…… • 无限截断
• econom* →economy,economic,economics,economical,economist, economize…...
• 概念检索 • 相关检索
• 检索→检索,搜索,查找,寻求…….
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8 自然语言检索(Natural Language)
• 智能检索 • Could you please give me some information on English literature?
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2 邻近检索(Proximity Search)
• WITH(W) • Wuhan(W)university • Wuhan University, Wuhan - University ,或Wuhan, University • NEAR(N) • Wuhan (N) university • Wuhan University, Wuhan - University ,或Wuhan, University • University, Wuhan ; University - Wuhan; University Wuhan • (nW) • (nN)
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