CLIPS-事实地址

最新推荐文章于 2019-12-06 11:16:56 发布

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最新推荐文章于 2019-12-06 11:16:56 发布

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分类专栏：数学与计算文章标签： F#

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本文通过一个具体的示例介绍了如何使用CLIPS规则引擎来实现个人信息变更的功能。具体操作包括定义模板、创建规则以实现当某人的城市信息发生变化时更新其对应记录。

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一、

１、?f1<-和?f2<-等表示事实地址，用?事实名<-表示。

2、操作表示把指定某人的城市更换为某地。

二、操作

CLIPS (Quicksilver Beta 09/24/07)
CLIPS> (clear)
CLIPS> (deftemplate person
(slot name)
(slot city))
CLIPS> (deftemplate moved-personinfo-process
(slot name)
(slot city))
CLIPS> (defrule change-personinfo
?f1 <- (moved-personinfo-process (name ?name)(city?city))
?f2 <- (person (name ?name))
=>
(retract ?f1)
(modify ?f2 (city ?city)))
CLIPS> (reset)
CLIPS> (watch rules)
CLIPS> (watch facts)
CLIPS> (deffacts people
(person (name liuxiang)(city changsha))
(person (name huajun)(city shanghai))
)
CLIPS> (reset)
<==f-0(initial-fact)
==>f-0(initial-fact)
==>f-1(person (name liuxiang) (city changsha))
==>f-2(person (name huajun) (city shanghai))
CLIPS> (assert (moved-personinfo-process (nameliuxiang)(city zhanjiang)))
==>f-3(moved-personinfo-process (name liuxiang) (city zhanjiang))
<Fact-3>
CLIPS> (run)
FIRE 1change-personinfo: f-3,f-1
<==f-3(moved-personinfo-process (name liuxiang) (city zhanjiang))
<==f-1(person (name liuxiang) (city changsha))
==>f-4(person (name liuxiang) (city zhanjiang))
CLIPS> (facts)
f-0(initial-fact)
f-2(person (name huajun) (city shanghai))
f-4(person (name liuxiang) (city zhanjiang))
For a total of 3 facts.
CLIPS>