Intelligent Database Systems Lab Presenter : CHANG, SHIH-JIE Authors : Shih-Hwa Liu*,Gwo-Guang Lee...
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Transcript of Intelligent Database Systems Lab Presenter : CHANG, SHIH-JIE Authors : Shih-Hwa Liu*,Gwo-Guang Lee...
Intelligent Database Systems Lab
Presenter : CHANG, SHIH-JIE
Authors : Shih-Hwa Liu*,Gwo-Guang Lee
2013.CE
Using a concept map knowledge management system to enhance the learning of biology
Intelligent Database Systems Lab
Outlines
MotivationObjectivesMethodologyExperimentsConclusionsComments
Intelligent Database Systems Lab
Motivation The lack of information about how students categorize, reorganize, and link their perceived concepts, would result in teachers not understanding the learning of students with different cultures and backgrounds.
Intelligent Database Systems Lab
Objectives
• The CMKMS can promote teaching activities step-by-step and improve effective student learning.
Intelligent Database Systems Lab
Methodology
Word frequencyTF/IDF
Intelligent Database Systems Lab
Methodology
Intelligent Database Systems Lab
Experiments – Statistics method
(1) ANOVA(2) Tukey’s HSD Test(3) McNemar test
Intelligent Database Systems Lab
Experiments
Intelligent Database Systems Lab
Experiments – ANOVA
F = (SSB/degree) / (SSW/degree)
= 366.45/29.95 = 12.24
Intelligent Database Systems Lab
Experiments – Tukey’s HSD Test合作 個體 無使用
Intelligent Database Systems Lab
Experiments – McNemar test
Intelligent Database Systems Lab
Two phase algorithm:
Experiments – CHAMELEON Algorithm
Intelligent Database Systems Lab
Experiments – CHAMELEON Algorithm
Intelligent Database Systems Lab
Experiments– CHAMELEON Algorithm
Intelligent Database Systems Lab
Experiments
Intelligent Database Systems Lab
Experiments – Apriori Algorithm
啤酒 尿布 牛奶 麵包 衣服C1 1 0 1 1 0 1
C2 1 1 0 1 1 0
C3 0 1 1 0 0 0
C4 1 1 1 1 1 1
C5 0 0 1 1 0 1
A B
Support(AB)=3/5 =60%
Confidence(AB)=3/4 =75%
Intelligent Database Systems Lab
Experiments – Apriori Algorithm
Intelligent Database Systems Lab
Experiments – Apriori Algorithmab=2/5 abc=1/5
Intelligent Database Systems Lab
Experiments Apriori
Intelligent Database Systems Lab
Conclusions– The CMKMS made a positive contribution to the
teaching of biology and learning strategy for students.
– This research offers a platform on which group brainstorming sessions can be structured, knowledge and values can be integrated, and a shared conceptual framework.
Intelligent Database Systems Lab
Comments• Advantages
– The CMKMS enabled students to intuitively construct and organize their tacit knowledge.
• Applications– Concept Map, Learning biology