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e*fhgFi,jLkmlon g,p'j2f - cse.unt.eduhuangyan/papers/co-location.pdf · d e*fhgFi,jLkmlon g,p'j2f æ2ç_èÇé çeê,ë_ì¦í ç¶îdö ë_ìÆìªñ,ò¦îÖó0òÆñ öeòªñ

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Page 1: e*fhgFi,jLkmlon g,p'j2f - cse.unt.eduhuangyan/papers/co-location.pdf · d e*fhgFi,jLkmlon g,p'j2f æ2ç_èÇé çeê,ë_ì¦í ç¶îdö ë_ìÆìªñ,ò¦îÖó0òÆñ öeòªñ

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Page 2: e*fhgFi,jLkmlon g,p'j2f - cse.unt.eduhuangyan/papers/co-location.pdf · d e*fhgFi,jLkmlon g,p'j2f æ2ç_èÇé çeê,ë_ì¦í ç¶îdö ë_ìÆìªñ,ò¦îÖó0òÆñ öeòªñ

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b)

candidate co-locations of size 2

k=3

k=2

.2

3 4 1

Legend:T.i represents instance i with feature type TLines between instances represents neighbor relationships

C.1

A.3

B.2

C.2

A.1

A.2

B.1B.4

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C.3A.4

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a)

t1 t2 t3

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B

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C

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A B t1 t2

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co-location

table Id

table instance

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d

2 3 54

2

4

5

0

1

3

1 2

3

3

1

4

4

710

4

0 1

2

7

63

59

58

2

1

6

and algorithm stopsif set to greater than 4/7will be pruned if min_pre

and coarse level table instancesc7

Co-location of size 3and fine level table instances

f7

3 5 13 5 23 6 13 6 24 5 14 5 2 ...... 6 9 36 9 4

4/7 5/10 4/4

Co-location of size 3

(0, 4) (0, 3) (0, 4)(0, 4) (0, 3) (1, 3)(0, 4) (0, 4) (0, 4)(0, 4) (0, 4) (1, 3)(0, 4) (1, 3) (0, 4)(0, 4) (1, 3) (1,3)(1, 3) (0, 4) (0, 4)(1, 3) (0, 4) (1, 3)(1, 3) (1, 3) (0, 4)(1, 3) (1, 3) (1, 3)

4/7 6/10 4/4

1234567

12345678910

1234

1

1

1

f1 f2 f3

Co-location of size 1

3 53 64 54 65 55 65 75 85 96 56 76 86 9

3 13 24 14 25 35 46 36 4

5 15 26 16 27 37 48 38 49 39 4

4/7 6/10

4/7 4/4

5/10 4/4

f5 f6f4

Co-location of size 2and fine level table instances

3 4

Candidate co-location of size 3

Co-location of size 1

(0, 4)(1, 3)(5, 0)(5, 3)

(0, 0)(0, 3)(0, 4)(1, 3)(5, 4)

c1 c2 c2

(0, 4)(1, 3)

11

1

a)

b)

(0, 4) (0, 3)(0, 4) (0, 4)(0, 4) (1, 3)(1, 3) (0, 3)(1, 3) (0, 4)(1, 3) (1, 3)(5, 3) (5, 4)

(0,3 ) (0, 4)(0, 3) (1, 3)(0, 4) (0, 4)(0, 4) (1, 3)(1, 3) (0, 4)(1, 3) (0, 4)

5/7 7/10

4/7 4/4

6/10 4/4

(0, 4) (0, 4)(0, 4) (1, 3)(1, 3) (0, 4)(1, 3) (1, 3)

c5 c6c4and coarse level table instances

Co-location of size 2

will be pruned if min_preif set to 0.6, and will be further evaluatedand algorithm stops

Candidate co-location of size 2

and fine level table instancesand coarse level table instances

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Generate Co-locations

Generate Neighborhoods

AddNoise

Co-locationAlgorithms

Analysis

Nco_loc, D, d, Noise Model

Spatial Datasets

Measurements CandidateAlgorithms

Metrics

λ1, λ2, overlapm mclump

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Page 20: e*fhgFi,jLkmlon g,p'j2f - cse.unt.eduhuangyan/papers/co-location.pdf · d e*fhgFi,jLkmlon g,p'j2f æ2ç_èÇé çeê,ë_ì¦í ç¶îdö ë_ìÆìªñ,ò¦îÖó0òÆñ öeòªñ

28

7

6 54

1

Instance of 2−neighboring class sets

D = distance threshold to define neighborhood

A Spatial Data Set with three features represented by circle, square, and triangle.

Instances

{"4", "1"}, {"5", "2"}

{"2", "8"}

{"4", "8"}

3

{

{

{

,

,

,

Class Sets

} 1

} 1

} 2Num. of Instances

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