SAKey: Scalable Almost Key discovery in RDF data

Published on 2014-12-191915 Views

Danai Symeonidou

Exploiting identity links among RDF resources allows applications to efficiently integrate data. Keys can be very useful to discover these identity links. A set of properties is considered as a key wh

ISWC 2014 - Trentino

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Presentation

SAKey: Scalable Almost Key discovery in RDF data00:00

Linked Open Data Cloud (LOD)00:13

Data Linking00:48

Keys - 101:30

Keys - 201:37

Keys - 301:50

Keys - 402:09

Keys - 502:17

Keys - 602:26

OWL2 Key - 102:37

OWL2 Key - 202:59

OWL2 Key - 303:00

Key Discovery -‐ Related Work - 103:15

Key Discovery -‐ Related Work - 203:26

Problem statement - 103:46

Problem statement - 204:10

Problem statement - 304:28

Problem statement - 404:41

SAKey: Scalable Almost Key discovery - 104:48

SAKey: Scalable Almost Key discovery - 205:00

SAKey: Scalable Almost Key discovery - 305:10

SAKey: Scalable Almost Key discovery - 405:31

SAKey: Scalable Almost Key discovery - 505:44

Almost key discovery strategy - 106:05

Almost key discovery strategy - 206:48

Almost key discovery strategy - 307:00

Almost key discovery strategy - 407:13

Almost key discovery strategy - 507:36

Almost key discovery strategy - 607:57

SAKey -‐ General Architecture - 108:11

SAKey -‐ General Architecture - 208:29

n-‐non key discovery: Initial Map09:00

n-‐non key discovery: Data filtering09:34

n-‐non key discovery: Final Map10:29

SAKey -‐ General Architecture - 310:45

n-‐non key discovery: Potential n-‐non keys10:58

SAKey -‐ General Architecture - 411:24

n-‐non key discovery - 111:27

n-‐non key discovery - 211:50

n-‐non key discovery - 311:53

n-‐non key discovery - 412:16

n-‐non key discovery: Pruning strategies12:31

SAKey -‐ General Architecture - 512:43

SAKey: Efficient key derivation12:46

Experiments13:20

Data Linking using almost keys - 113:50

Data Linking using almost keys - 214:04

Data Linking using almost keys - 314:08

Data Linking using almost keys - 414:14

Data Linking using almost keys - 514:24

Scalability: KD2R[PSS13] vs. SAKey15:00

Scalability: KD2R vs. SAKey - 115:16

Scalability: KD2R vs. SAKey - 215:18

KD2R vs. SAKey -‐ Non key discovery15:24

KD2R vs. SAKey -‐ Key derivation15:39

Scalability of SAKey - 115:52

Scalability of SAKey - 216:06

Scalability of SAKey - 316:07

Scalability of SAKey -‐ Data filtering - 116:10

Scalability of SAKey -‐ Data filtering - 216:31

Scalability of SAKey -‐ Prunings - 116:32

Scalability of SAKey -‐ Prunings - 216:40

Conclusion and Future works16:57