Inkrementelles Clustering von Newsgroupartikeln

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• x ∈ D y ∈ D ∃p1 , . . . , pn ∈ D : p1 = y, pn =
xund∀i ∈ {1, . . . , n − 1} : pi+1 " pi • x, y ∈ D 2
∃z ∈ D : x y z
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dist(Ci , Cj ) = minx∈Ci ,y∈Cj dist(x, y)
G 7H
dist(Ci , Cj ) = maxx∈Ci ,y∈Cj dist(x, y)
G ,H
dist(Ci , Cj ) =
1
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i
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j
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5 G ME07NH B *
A • D T $
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A 2 • nj *( A 2 $ -(4 ( 4
B F
idfj =
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nj
|D| + 1
G , H
?4
F
ntfi,j =
tfi,j
tfi,j
li
+ 0, 5 + 1, 5 al
G ,H
4
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B < (
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+
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B
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K B B ''# B & B ( +
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