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Title: Author: taku-ku Last modified by: taku-ku Created Date: 2/20/2002 1:12:27 PM Document presentation format – PowerPoint PPT presentation

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1
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2
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a
a
c
a
d
b
c
d
c
d
a
a
a
a
d
c
b

c
c
d
a
a
b
c
c
d
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3
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4
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5
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sid
1
a c d
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2
a b c
3
c b a
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4
a a b
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6
PrefixSpan (Pei? 00)
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sid
1
a c d
2
a b c
3
c b a
4
a a b
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7
PrefixSpan ???(1/2)
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a
b
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8
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1
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3
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4
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9
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f
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d
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a
d
c
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b
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10
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e
f
e
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a b c d e f ((a (b (c d)) e)
f)
a
1
d
i
2 2 1 0 e
b
c
2
2
11
????(3/3)
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1
((a c) d))
2
(a (b c))
3
((c b) a)
4
((b a) c)
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12
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13
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2 355.6 / 7.8 26.7 / 5.8 24.0 / 5.2 22.9 / 4.8 22.1 / 4.6
5 355.6 / 7.8 26.7 / 5.8 24.0 / 5.2 22.9 / 4.8 22.1 / 4.6
10 355.6 / 7.8 26.7 / 5.8 24.0 / 5.2 22.9 / 4.8 22.1 / 4.6
15 355.6 / 7.8 26.7 / 5.8 24.0 / 5.2 22.9 / 4.8 22.1 / 4.6
20 355.6 / 7.8 26.7 / 5.8 24.0 / 5.2 22.9 / 4.8 22.1 / 4.6
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14
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J1 J2 J3 .. Jn
E1 E2 E3 .. Em
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15
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16
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17
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PrefixSpan? C ?????? http//cl.aist-nara.ac.jp/
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18
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19
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2 320428/65803 N/A / NA 1028534/10253
5 62226/14736 7490 / 1310 10478/2217
10 26095/6031 2538 / 470 4149/919
15 16109/3866 21389 / 282 2433/554
20 11430/2781 849 / 195 1622/376
20
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21
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((a b) (c d))
1 -1 1 1 -1 ..
(c (b (e f)))
(a (c (d e)))
((a c)(d e))
(c (a (b e)))
22
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23
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