[This Slide Does Not Require A Title] N -D EGREES OF S PATIAL K - PowerPoint PPT Presentation

M OTIVATION S EMANTICS N-D EGREES OF S PATIAL N -D EGREES OF S PATIAL T HE R OLE OF S PACE AND T IME FOR I DENTITY R ESOLUTION ON THE W EB Krzysztof Janowicz STKO Lab University of California, Santa Barbara, USA November, 2012 N -D EGREES OF S PATIAL K RZYSZTOF J ANOWICZ

M OTIVATION S EMANTICS N-D EGREES OF S PATIAL STKO: I NVESTIGATING THE R OLE OF S PACE AND T IME FOR K NOWLEDGE O RGANIZATION S PACE AND T IME FOR K NOWLEDGE O RGANIZATION N -D EGREES OF S PATIAL K RZYSZTOF J ANOWICZ

M OTIVATION S EMANTICS N-D EGREES OF S PATIAL C ONFLATION AND I NTEGRATION G EOMETRIC C ONFLATION To utilize and integrate the myriads of existing data sources requires identity hooks ; in GIScience geometry is a typical hook. N -D EGREES OF S PATIAL K RZYSZTOF J ANOWICZ

M OTIVATION S EMANTICS N-D EGREES OF S PATIAL C ONFLATION AND I NTEGRATION S EMANTIC C ONFLATION N -D EGREES OF S PATIAL K RZYSZTOF J ANOWICZ

M OTIVATION S EMANTICS N-D EGREES OF S PATIAL C ONFLATION AND I NTEGRATION S EMANTIC C ONFLATION N -D EGREES OF S PATIAL K RZYSZTOF J ANOWICZ

M OTIVATION S EMANTICS N-D EGREES OF S PATIAL C ONFLATION AND I NTEGRATION S EMANTIC C ONFLATION N -D EGREES OF S PATIAL K RZYSZTOF J ANOWICZ

M OTIVATION S EMANTICS N-D EGREES OF S PATIAL C ONFLATION AND I NTEGRATION W IKI D ATA AS S HARED K NOWLEDGE B ASE N -D EGREES OF S PATIAL K RZYSZTOF J ANOWICZ

M OTIVATION S EMANTICS N-D EGREES OF S PATIAL L INKED D ATA N EXT -G ENERATION D ATA I NFRASTRUCTURES Data Silos Web services Databases Web pages hinder ad-hoc combination enforce data models limit re-usability N -D EGREES OF S PATIAL K RZYSZTOF J ANOWICZ

M OTIVATION S EMANTICS N-D EGREES OF S PATIAL L INKED D ATA F ROM L INKED D OCUMENTS TO L INKED D ATA Use Uniform Resource Identifiers ( URI ) to identify entities , link them to other entities, encode information about these entities using the machine-understandable RDF , and make them available on the Web . N -D EGREES OF S PATIAL K RZYSZTOF J ANOWICZ

M OTIVATION S EMANTICS N-D EGREES OF S PATIAL L INKED D ATA T HE W EB O F L INKED D ATA http://richard.cyganiak.de/2007/10/lod/ N -D EGREES OF S PATIAL K RZYSZTOF J ANOWICZ

M OTIVATION S EMANTICS N-D EGREES OF S PATIAL L INKED D ATA F ACT F ORGE R ENDERING OF S ANTA B ARBARA D ATA N -D EGREES OF S PATIAL K RZYSZTOF J ANOWICZ

M OTIVATION S EMANTICS N-D EGREES OF S PATIAL L INKED D ATA F ACT F ORGE R ENDERING OF S ANTA B ARBARA D ATA N -D EGREES OF S PATIAL K RZYSZTOF J ANOWICZ

M OTIVATION S EMANTICS N-D EGREES OF S PATIAL O NTOLOGIES AND R EASONING I NTEGRATION & F EDERATION OF D ATA ABOUT S ANTA B ARBARA Integration by searching equivalent classes or/and same features in data sets. This requires ontology matching and alignment . N -D EGREES OF S PATIAL K RZYSZTOF J ANOWICZ

M OTIVATION S EMANTICS N-D EGREES OF S PATIAL O NTOLOGIES AND R EASONING I NTEGRATION OF D ATA ABOUT S ANTA B ARBARA N -D EGREES OF S PATIAL K RZYSZTOF J ANOWICZ

M OTIVATION S EMANTICS N-D EGREES OF S PATIAL O NTOLOGIES AND R EASONING I NTEGRATION OF D ATA ABOUT S ANTA B ARBARA N -D EGREES OF S PATIAL K RZYSZTOF J ANOWICZ

M OTIVATION S EMANTICS N-D EGREES OF S PATIAL O NTOLOGIES AND R EASONING A NATOMY OF A C OMMON P ATTERN Simple Event Model (van Hage et al. 2011) and the role of place N -D EGREES OF S PATIAL K RZYSZTOF J ANOWICZ

M OTIVATION S EMANTICS N-D EGREES OF S PATIAL O NTOLOGIES AND R EASONING T HE W EB O F L INKED D ATA N -D EGREES OF S PATIAL K RZYSZTOF J ANOWICZ

M OTIVATION S EMANTICS N-D EGREES OF S PATIAL O NTOLOGIES AND R EASONING A G LIMPSE AT THE S CHEMA . ORG Most of the ontologies/vocabularies used to annotate popular Linked Data sets are too lightweight ; they fail to restrict the interpretation of terms towards their intended meaning . N -D EGREES OF S PATIAL K RZYSZTOF J ANOWICZ

M OTIVATION S EMANTICS N-D EGREES OF S PATIAL O NTOLOGY A LIGNMENT A LIGNING , M ATCHING , AND T RANSLATING O NTOLOGIES a:flowsInto ⊑ a:IsConnected (1) b:flowsInto ⊑ b:IsConnected (6) a:IrrigationCanal ⊑ a:Canal (2) b:Canal ⊑ ( ≥ 2 b:IsConnected . b:Waterbody ) (7) ∃ a:flowsInto . a:AgriculturalField ⊑ a:IrrigationCanal (3) b:IrrigationCanal ≡ (= 1 b:isConnected . b:Waterbody ) a:Waterbody ⊓ a:Land ⊑ ⊥ (4) ⊓ (= 1 b:flowsInto . b:AgriculturalField ) (8) a:AgriculturalField ⊑ a:Land (5) N -D EGREES OF S PATIAL K RZYSZTOF J ANOWICZ

M OTIVATION S EMANTICS N-D EGREES OF S PATIAL O NTOLOGY A LIGNMENT A LIGNING , M ATCHING , AND T RANSLATING O NTOLOGIES a:flowsInto ⊑ a:IsConnected (1) b:flowsInto ⊑ b:IsConnected (6) a:IrrigationCanal ⊑ a:Canal (2) b:Canal ⊑ ( ≥ 2 b:IsConnected . b:Waterbody ) (7) ∃ a:flowsInto . a:AgriculturalField ⊑ a:IrrigationCanal (3) b:IrrigationCanal ≡ (= 1 b:isConnected . b:Waterbody ) a:Waterbody ⊓ a:Land ⊑ ⊥ (4) ⊓ (= 1 b:flowsInto . b:AgriculturalField ) (8) a:AgriculturalField ⊑ a:Land (5) N -D EGREES OF S PATIAL K RZYSZTOF J ANOWICZ

M OTIVATION S EMANTICS N-D EGREES OF S PATIAL O NTOLOGY A LIGNMENT A LIGNING , M ATCHING , AND T RANSLATING O NTOLOGIES a:flowsInto ⊑ a:IsConnected (1) b:flowsInto ⊑ b:IsConnected (6) a:IrrigationCanal ⊑ a:Canal (2) b:Canal ⊑ ( ≥ 2 b:IsConnected . b:Waterbody ) (7) ∃ a:flowsInto . a:AgriculturalField ⊑ a:IrrigationCanal (3) b:IrrigationCanal ≡ (= 1 b:isConnected . b:Waterbody ) a:Waterbody ⊓ a:Land ⊑ ⊥ (4) ⊓ (= 1 b:flowsInto . b:AgriculturalField ) (8) a:AgriculturalField ⊑ a:Land (5) N -D EGREES OF S PATIAL K RZYSZTOF J ANOWICZ

M OTIVATION S EMANTICS N-D EGREES OF S PATIAL O NTOLOGY A LIGNMENT A LIGNING , M ATCHING , AND T RANSLATING O NTOLOGIES a:flowsInto ⊑ a:IsConnected (1) b:flowsInto ⊑ b:IsConnected (6) a:IrrigationCanal ⊑ a:Canal (2) b:Canal ⊑ ( ≥ 2 b:IsConnected . b:Waterbody ) (7) ∃ a:flowsInto . a:AgriculturalField ⊑ a:IrrigationCanal (3) b:IrrigationCanal ≡ (= 1 b:isConnected . b:Waterbody ) a:Waterbody ⊓ a:Land ⊑ ⊥ (4) ⊓ (= 1 b:flowsInto . b:AgriculturalField ) (8) a:AgriculturalField ⊑ a:Land (5) N -D EGREES OF S PATIAL K RZYSZTOF J ANOWICZ

M OTIVATION S EMANTICS N-D EGREES OF S PATIAL O NTOLOGY A LIGNMENT A LIGNING , M ATCHING , AND T RANSLATING O NTOLOGIES a:flowsInto ⊑ a:IsConnected (1) b:flowsInto ⊑ b:IsConnected (6) a:IrrigationCanal ⊑ a:Canal (2) b:Canal ⊑ ( ≥ 2 b:IsConnected . b:Waterbody ) (7) ∃ a:flowsInto . a:AgriculturalField ⊑ a:IrrigationCanal (3) b:IrrigationCanal ≡ (= 1 b:isConnected . b:Waterbody ) a:Waterbody ⊓ a:Land ⊑ ⊥ (4) ⊓ (= 1 b:flowsInto . b:AgriculturalField ) (8) a:AgriculturalField ⊑ a:Land (5) N -D EGREES OF S PATIAL K RZYSZTOF J ANOWICZ

M OTIVATION S EMANTICS N-D EGREES OF S PATIAL O NTOLOGY A LIGNMENT O NTOLOGIES DO NOT FIX M EANING N -D EGREES OF S PATIAL K RZYSZTOF J ANOWICZ

M OTIVATION S EMANTICS N-D EGREES OF S PATIAL O NTOLOGY A LIGNMENT C OMBINE D ECLARATIVE S EMANTICS WITH D ATA M INING Semantic Signatures N -D EGREES OF S PATIAL K RZYSZTOF J ANOWICZ

M OTIVATION S EMANTICS N-D EGREES OF S PATIAL H YPOTHESIS [This Slide Does Not Require A Title] N -D EGREES OF S PATIAL K RZYSZTOF J ANOWICZ

M OTIVATION S EMANTICS N-D EGREES OF S PATIAL H YPOTHESIS N -D EGREES OF S PATIAL N -D EGREES OF S PATIAL K RZYSZTOF J ANOWICZ

M OTIVATION S EMANTICS N-D EGREES OF S PATIAL H YPOTHESIS N -D EGREES OF S PATIAL N -D EGREES OF S PATIAL K RZYSZTOF J ANOWICZ

M OTIVATION S EMANTICS N-D EGREES OF S PATIAL H YPOTHESIS N -D EGREES OF S PATIAL N -D EGREES OF S PATIAL K RZYSZTOF J ANOWICZ

M OTIVATION S EMANTICS N-D EGREES OF S PATIAL E XPLORING L INKED S PATIOTEMPORAL D ATA L INKED S PATIOTEMPORAL D ATA M AP stko.geog.ucsb.edu/location_linked_data N -D EGREES OF S PATIAL K RZYSZTOF J ANOWICZ

M OTIVATION S EMANTICS N-D EGREES OF S PATIAL E XPLORING L INKED S PATIOTEMPORAL D ATA F LICKR M AP www.oii.ox.ac.uk N -D EGREES OF S PATIAL K RZYSZTOF J ANOWICZ

M OTIVATION S EMANTICS N-D EGREES OF S PATIAL E XPLORING L INKED S PATIOTEMPORAL D ATA T WITTER M AP aworldoftweets.frogdesign.com/ N -D EGREES OF S PATIAL K RZYSZTOF J ANOWICZ

M OTIVATION S EMANTICS N-D EGREES OF S PATIAL E XPLORING L INKED S PATIOTEMPORAL D ATA LSTD K ERNEL D ENSITY M AP N -D EGREES OF S PATIAL K RZYSZTOF J ANOWICZ

M OTIVATION S EMANTICS N-D EGREES OF S PATIAL E XPLORING L INKED S PATIOTEMPORAL D ATA P OPULATION D ENSITY 2000 M AP N -D EGREES OF S PATIAL K RZYSZTOF J ANOWICZ

M OTIVATION S EMANTICS N-D EGREES OF S PATIAL E XPLORING L INKED S PATIOTEMPORAL D ATA D IFFERENCE R ECLASSIFICATION M AP N -D EGREES OF S PATIAL K RZYSZTOF J ANOWICZ

M OTIVATION S EMANTICS N-D EGREES OF S PATIAL S OURCES OF E RRORS C OPERNICUS C RATER A RTICLE IN W IKIPEDIA N -D EGREES OF S PATIAL K RZYSZTOF J ANOWICZ

M OTIVATION S EMANTICS N-D EGREES OF S PATIAL S OURCES OF E RRORS C OPERNICUS C RATER I N THE G EO H ACK T OOLSERVER N -D EGREES OF S PATIAL K RZYSZTOF J ANOWICZ

M OTIVATION S EMANTICS N-D EGREES OF S PATIAL S OURCES OF E RRORS C OPERNICUS C RATER D ATA IN A S EMANTIC W EB B ROWSER N -D EGREES OF S PATIAL K RZYSZTOF J ANOWICZ

M OTIVATION S EMANTICS N-D EGREES OF S PATIAL S OURCES OF E RRORS C OPERNICUS C RATER D ATA FROM DB PEDIA N -D EGREES OF S PATIAL K RZYSZTOF J ANOWICZ

M OTIVATION S EMANTICS N-D EGREES OF S PATIAL A PPLYING THE S IGNATURE 0-D EGREE P ERSONS (892/415339) Typically, this is the result of modeling errors . In some cases the coordinates represent the place of death. N -D EGREES OF S PATIAL K RZYSZTOF J ANOWICZ