geodataspace bringing the dataspace vision to geodata
DESCRIPTION
GeoDataspace Bringing the dataspace vision to geodata. Matheus Silva Mota. http://lis.ic.unicamp.br. André Santanchè. Lab. of Information Systems. Contextualization. X. XML collection / XML database. Spreadsheets. Some Database. RDBMS A. RDBMS B. Contextualization. X. - PowerPoint PPT PresentationTRANSCRIPT
![Page 1: GeoDataspace Bringing the dataspace vision to geodata](https://reader035.vdocuments.mx/reader035/viewer/2022062323/5681637e550346895dd45e25/html5/thumbnails/1.jpg)
GeoDataspaceBringing the dataspace vision to geodata
http://lis.ic.unicamp.brLab. of Information Systems
Matheus Silva MotaAndré Santanchè
![Page 2: GeoDataspace Bringing the dataspace vision to geodata](https://reader035.vdocuments.mx/reader035/viewer/2022062323/5681637e550346895dd45e25/html5/thumbnails/2.jpg)
2
RDBMS BXML collection /XML database
SpreadsheetsRDBMS A
Contextualization
Some Database
X
![Page 3: GeoDataspace Bringing the dataspace vision to geodata](https://reader035.vdocuments.mx/reader035/viewer/2022062323/5681637e550346895dd45e25/html5/thumbnails/3.jpg)
Some Database
3
RDBMS BXML collection /XML database
SpreadsheetsRDBMS A
Contextualization
Multitude of stand-alone sources
X
![Page 4: GeoDataspace Bringing the dataspace vision to geodata](https://reader035.vdocuments.mx/reader035/viewer/2022062323/5681637e550346895dd45e25/html5/thumbnails/4.jpg)
Two main currents:
• Classical integration
• ‘Pay-as-you-go’ integration
Data Integration
1975 now2005
![Page 5: GeoDataspace Bringing the dataspace vision to geodata](https://reader035.vdocuments.mx/reader035/viewer/2022062323/5681637e550346895dd45e25/html5/thumbnails/5.jpg)
5
RDBMS B
Classical Integration Strategy
Application
lat long cidadeLA LG
latitude longitude city_name
Global Schema
RDBMS A
Meta-DBMSX
![Page 6: GeoDataspace Bringing the dataspace vision to geodata](https://reader035.vdocuments.mx/reader035/viewer/2022062323/5681637e550346895dd45e25/html5/thumbnails/6.jpg)
Classical Data Integration
Problems• Heterogeneity -> Costly upfront schema mapping/alignment
• Explosion of sources - > Maintain a Global Schema is VERY HARD!
![Page 7: GeoDataspace Bringing the dataspace vision to geodata](https://reader035.vdocuments.mx/reader035/viewer/2022062323/5681637e550346895dd45e25/html5/thumbnails/7.jpg)
Two main currents:
• Classical integration
• ‘Pay-as-you-go’ integration
‘Pay-as-you-go’ integration
1980 now2005
![Page 8: GeoDataspace Bringing the dataspace vision to geodata](https://reader035.vdocuments.mx/reader035/viewer/2022062323/5681637e550346895dd45e25/html5/thumbnails/8.jpg)
8
RDBMS B Document DatabaseXML collection /XML database SpreadsheetsRDBMS A
Dataspace System
Dataspace
Application
<<access>> Introspect
X
![Page 9: GeoDataspace Bringing the dataspace vision to geodata](https://reader035.vdocuments.mx/reader035/viewer/2022062323/5681637e550346895dd45e25/html5/thumbnails/9.jpg)
ExampleLinked-data: A Global Dataspace
![Page 10: GeoDataspace Bringing the dataspace vision to geodata](https://reader035.vdocuments.mx/reader035/viewer/2022062323/5681637e550346895dd45e25/html5/thumbnails/10.jpg)
Contextualization
Datasets published following Linked Data ‘format’: 05/2007
Source: http://lod-cloud.net/
![Page 11: GeoDataspace Bringing the dataspace vision to geodata](https://reader035.vdocuments.mx/reader035/viewer/2022062323/5681637e550346895dd45e25/html5/thumbnails/11.jpg)
Contextualization
Datasets published following Linked Data ‘format’: 11/2007
Source: http://lod-cloud.net/
![Page 12: GeoDataspace Bringing the dataspace vision to geodata](https://reader035.vdocuments.mx/reader035/viewer/2022062323/5681637e550346895dd45e25/html5/thumbnails/12.jpg)
Contextualization
Datasets published following Linked Data ‘format’: 2008
Source: http://lod-cloud.net/
![Page 13: GeoDataspace Bringing the dataspace vision to geodata](https://reader035.vdocuments.mx/reader035/viewer/2022062323/5681637e550346895dd45e25/html5/thumbnails/13.jpg)
Contextualization
Datasets published following Linked Data ‘format’: 2009
Source: http://lod-cloud.net/
![Page 14: GeoDataspace Bringing the dataspace vision to geodata](https://reader035.vdocuments.mx/reader035/viewer/2022062323/5681637e550346895dd45e25/html5/thumbnails/14.jpg)
Contextualization
Datasets published following Linked Data ‘format’: 2010
Source: http://lod-cloud.net/
![Page 15: GeoDataspace Bringing the dataspace vision to geodata](https://reader035.vdocuments.mx/reader035/viewer/2022062323/5681637e550346895dd45e25/html5/thumbnails/15.jpg)
Contextualization
Datasets published following Linked Data ‘format’: 2011
![Page 16: GeoDataspace Bringing the dataspace vision to geodata](https://reader035.vdocuments.mx/reader035/viewer/2022062323/5681637e550346895dd45e25/html5/thumbnails/16.jpg)
Contextualization
Datasets published following Linked Data ‘format’: 2011
There is NO global schema
![Page 17: GeoDataspace Bringing the dataspace vision to geodata](https://reader035.vdocuments.mx/reader035/viewer/2022062323/5681637e550346895dd45e25/html5/thumbnails/17.jpg)
Geodataspace
![Page 18: GeoDataspace Bringing the dataspace vision to geodata](https://reader035.vdocuments.mx/reader035/viewer/2022062323/5681637e550346895dd45e25/html5/thumbnails/18.jpg)
GeoDataspaceData Model
Improvement Strategies
Content Introspect Query/Index
Operations
DS Architecture
Geodataspaces: Open Challenges
![Page 19: GeoDataspace Bringing the dataspace vision to geodata](https://reader035.vdocuments.mx/reader035/viewer/2022062323/5681637e550346895dd45e25/html5/thumbnails/19.jpg)
Thanks for your attention.Questions?
http://www.lis.ic.unicamp.br
Matheus Mota
http://[email protected]
André Santanchèhttp://www.ic.unicamp.br/~santanche
![Page 20: GeoDataspace Bringing the dataspace vision to geodata](https://reader035.vdocuments.mx/reader035/viewer/2022062323/5681637e550346895dd45e25/html5/thumbnails/20.jpg)
GeoDataspaceData Model
Improvement Strategies
Content Introspect Query/Index
Operations
DS Architecture
Geodataspaces: Open Challenges
![Page 21: GeoDataspace Bringing the dataspace vision to geodata](https://reader035.vdocuments.mx/reader035/viewer/2022062323/5681637e550346895dd45e25/html5/thumbnails/21.jpg)
Backupslides
http://www.lis.ic.unicamp.br
![Page 22: GeoDataspace Bringing the dataspace vision to geodata](https://reader035.vdocuments.mx/reader035/viewer/2022062323/5681637e550346895dd45e25/html5/thumbnails/22.jpg)
22
Just Another Proposal: LinkedScales
![Page 23: GeoDataspace Bringing the dataspace vision to geodata](https://reader035.vdocuments.mx/reader035/viewer/2022062323/5681637e550346895dd45e25/html5/thumbnails/23.jpg)
23
LinkedScales - Overview
![Page 24: GeoDataspace Bringing the dataspace vision to geodata](https://reader035.vdocuments.mx/reader035/viewer/2022062323/5681637e550346895dd45e25/html5/thumbnails/24.jpg)
24
LinkedScales
![Page 25: GeoDataspace Bringing the dataspace vision to geodata](https://reader035.vdocuments.mx/reader035/viewer/2022062323/5681637e550346895dd45e25/html5/thumbnails/25.jpg)
25
LinkedScales
![Page 26: GeoDataspace Bringing the dataspace vision to geodata](https://reader035.vdocuments.mx/reader035/viewer/2022062323/5681637e550346895dd45e25/html5/thumbnails/26.jpg)
26
LinkedScales
![Page 27: GeoDataspace Bringing the dataspace vision to geodata](https://reader035.vdocuments.mx/reader035/viewer/2022062323/5681637e550346895dd45e25/html5/thumbnails/27.jpg)
27
LinkedScales
![Page 28: GeoDataspace Bringing the dataspace vision to geodata](https://reader035.vdocuments.mx/reader035/viewer/2022062323/5681637e550346895dd45e25/html5/thumbnails/28.jpg)
28
LinkedScales
![Page 29: GeoDataspace Bringing the dataspace vision to geodata](https://reader035.vdocuments.mx/reader035/viewer/2022062323/5681637e550346895dd45e25/html5/thumbnails/29.jpg)
29
LinkedScales
Tran
sver
sal G
raph
![Page 30: GeoDataspace Bringing the dataspace vision to geodata](https://reader035.vdocuments.mx/reader035/viewer/2022062323/5681637e550346895dd45e25/html5/thumbnails/30.jpg)
Thanks for your attention.Questions?
http://www.lis.ic.unicamp.br
Matheus Mota
http://[email protected]
André Santanchèhttp://www.ic.unicamp.br/~santanche
![Page 31: GeoDataspace Bringing the dataspace vision to geodata](https://reader035.vdocuments.mx/reader035/viewer/2022062323/5681637e550346895dd45e25/html5/thumbnails/31.jpg)
Backupslides
http://www.lis.ic.unicamp.br