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

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

Nov 07, 2023 192 likes •630 views

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

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SLIDE 1

MOTIVATION SEMANTICS N-DEGREES OF SPATIAL

N-DEGREES OF SPATIAL

THE ROLE OF SPACE AND TIME FOR IDENTITY RESOLUTION

ON THE WEB

Krzysztof Janowicz

STKO Lab University of California, Santa Barbara, USA November, 2012

N-DEGREES OF SPATIAL

KRZYSZTOF JANOWICZ

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SLIDE 2

MOTIVATION SEMANTICS N-DEGREES OF SPATIAL STKO: INVESTIGATING THE ROLE OF SPACE AND TIME FOR KNOWLEDGE ORGANIZATION

SPACE AND TIME FOR KNOWLEDGE ORGANIZATION

N-DEGREES OF SPATIAL

KRZYSZTOF JANOWICZ

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SLIDE 3

MOTIVATION SEMANTICS N-DEGREES OF SPATIAL CONFLATION AND INTEGRATION

GEOMETRIC CONFLATION

To utilize and integrate the myriads of existing data sources requires identity hooks; in GIScience geometry is a typical hook.

N-DEGREES OF SPATIAL

KRZYSZTOF JANOWICZ

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SLIDE 4

MOTIVATION SEMANTICS N-DEGREES OF SPATIAL CONFLATION AND INTEGRATION

SEMANTIC CONFLATION

N-DEGREES OF SPATIAL

KRZYSZTOF JANOWICZ

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SLIDE 5

MOTIVATION SEMANTICS N-DEGREES OF SPATIAL CONFLATION AND INTEGRATION

SEMANTIC CONFLATION

N-DEGREES OF SPATIAL

KRZYSZTOF JANOWICZ

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SLIDE 6

MOTIVATION SEMANTICS N-DEGREES OF SPATIAL CONFLATION AND INTEGRATION

SEMANTIC CONFLATION

N-DEGREES OF SPATIAL

KRZYSZTOF JANOWICZ

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SLIDE 7

MOTIVATION SEMANTICS N-DEGREES OF SPATIAL CONFLATION AND INTEGRATION

WIKIDATA AS SHARED KNOWLEDGE BASE

N-DEGREES OF SPATIAL

KRZYSZTOF JANOWICZ

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SLIDE 8

MOTIVATION SEMANTICS N-DEGREES OF SPATIAL LINKED DATA

NEXT-GENERATION DATA INFRASTRUCTURES

Data Silos Web services Databases Web pages hinder ad-hoc combination enforce data models limit re-usability

N-DEGREES OF SPATIAL

KRZYSZTOF JANOWICZ

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SLIDE 9

MOTIVATION SEMANTICS N-DEGREES OF SPATIAL LINKED DATA

FROM LINKED DOCUMENTS TO LINKED DATA

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-DEGREES OF SPATIAL

KRZYSZTOF JANOWICZ

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SLIDE 10

MOTIVATION SEMANTICS N-DEGREES OF SPATIAL LINKED DATA

THE WEB OF LINKED DATA

http://richard.cyganiak.de/2007/10/lod/

N-DEGREES OF SPATIAL

KRZYSZTOF JANOWICZ

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SLIDE 11

MOTIVATION SEMANTICS N-DEGREES OF SPATIAL LINKED DATA

FACTFORGE RENDERING OF SANTA BARBARA DATA

N-DEGREES OF SPATIAL

KRZYSZTOF JANOWICZ

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SLIDE 12

MOTIVATION SEMANTICS N-DEGREES OF SPATIAL LINKED DATA

FACTFORGE RENDERING OF SANTA BARBARA DATA

N-DEGREES OF SPATIAL

KRZYSZTOF JANOWICZ

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SLIDE 13

MOTIVATION SEMANTICS N-DEGREES OF SPATIAL ONTOLOGIES AND REASONING

INTEGRATION & FEDERATION OF DATA ABOUT SANTA BARBARA

Integration by searching equivalent classes or/and same features in data sets. This requires ontology matching and alignment.

N-DEGREES OF SPATIAL

KRZYSZTOF JANOWICZ

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SLIDE 14

MOTIVATION SEMANTICS N-DEGREES OF SPATIAL ONTOLOGIES AND REASONING

INTEGRATION OF DATA ABOUT SANTA BARBARA

N-DEGREES OF SPATIAL

KRZYSZTOF JANOWICZ

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SLIDE 15

MOTIVATION SEMANTICS N-DEGREES OF SPATIAL ONTOLOGIES AND REASONING

INTEGRATION OF DATA ABOUT SANTA BARBARA

N-DEGREES OF SPATIAL

KRZYSZTOF JANOWICZ

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SLIDE 16

MOTIVATION SEMANTICS N-DEGREES OF SPATIAL ONTOLOGIES AND REASONING

ANATOMY OF A COMMON PATTERN

Simple Event Model (van Hage et al. 2011) and the role of place

N-DEGREES OF SPATIAL

KRZYSZTOF JANOWICZ

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SLIDE 17

MOTIVATION SEMANTICS N-DEGREES OF SPATIAL ONTOLOGIES AND REASONING

THE WEB OF LINKED DATA

N-DEGREES OF SPATIAL

KRZYSZTOF JANOWICZ

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SLIDE 18

MOTIVATION SEMANTICS N-DEGREES OF SPATIAL ONTOLOGIES AND REASONING

A GLIMPSE AT THE SCHEMA.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-DEGREES OF SPATIAL

KRZYSZTOF JANOWICZ

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SLIDE 19

MOTIVATION SEMANTICS N-DEGREES OF SPATIAL ONTOLOGY ALIGNMENT

ALIGNING, MATCHING, AND TRANSLATING ONTOLOGIES

a:flowsInto ⊑ a:IsConnected (1) a:IrrigationCanal ⊑ a:Canal (2) ∃a:flowsInto.a:AgriculturalField ⊑ a:IrrigationCanal (3) a:Waterbody ⊓ a:Land ⊑ ⊥ (4) a:AgriculturalField ⊑ a:Land (5) b:flowsInto ⊑ b:IsConnected (6) b:Canal ⊑ (≥2 b:IsConnected.b:Waterbody) (7) b:IrrigationCanal ≡ (=1 b:isConnected.b:Waterbody) ⊓ (=1 b:flowsInto.b:AgriculturalField) (8)

N-DEGREES OF SPATIAL

KRZYSZTOF JANOWICZ

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SLIDE 20

MOTIVATION SEMANTICS N-DEGREES OF SPATIAL ONTOLOGY ALIGNMENT

ALIGNING, MATCHING, AND TRANSLATING ONTOLOGIES

a:flowsInto ⊑ a:IsConnected (1) a:IrrigationCanal ⊑ a:Canal (2) ∃a:flowsInto.a:AgriculturalField ⊑ a:IrrigationCanal (3) a:Waterbody ⊓ a:Land ⊑ ⊥ (4) a:AgriculturalField ⊑ a:Land (5) b:flowsInto ⊑ b:IsConnected (6) b:Canal ⊑ (≥2 b:IsConnected.b:Waterbody) (7) b:IrrigationCanal ≡ (=1 b:isConnected.b:Waterbody) ⊓ (=1 b:flowsInto.b:AgriculturalField) (8)

N-DEGREES OF SPATIAL

KRZYSZTOF JANOWICZ

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SLIDE 21

MOTIVATION SEMANTICS N-DEGREES OF SPATIAL ONTOLOGY ALIGNMENT

ALIGNING, MATCHING, AND TRANSLATING ONTOLOGIES

a:flowsInto ⊑ a:IsConnected (1) a:IrrigationCanal ⊑ a:Canal (2) ∃a:flowsInto.a:AgriculturalField ⊑ a:IrrigationCanal (3) a:Waterbody ⊓ a:Land ⊑ ⊥ (4) a:AgriculturalField ⊑ a:Land (5) b:flowsInto ⊑ b:IsConnected (6) b:Canal ⊑ (≥2 b:IsConnected.b:Waterbody) (7) b:IrrigationCanal ≡ (=1 b:isConnected.b:Waterbody) ⊓ (=1 b:flowsInto.b:AgriculturalField) (8)

N-DEGREES OF SPATIAL

KRZYSZTOF JANOWICZ

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SLIDE 22

MOTIVATION SEMANTICS N-DEGREES OF SPATIAL ONTOLOGY ALIGNMENT

ALIGNING, MATCHING, AND TRANSLATING ONTOLOGIES

a:flowsInto ⊑ a:IsConnected (1) a:IrrigationCanal ⊑ a:Canal (2) ∃a:flowsInto.a:AgriculturalField ⊑ a:IrrigationCanal (3) a:Waterbody ⊓ a:Land ⊑ ⊥ (4) a:AgriculturalField ⊑ a:Land (5) b:flowsInto ⊑ b:IsConnected (6) b:Canal ⊑ (≥2 b:IsConnected.b:Waterbody) (7) b:IrrigationCanal ≡ (=1 b:isConnected.b:Waterbody) ⊓ (=1 b:flowsInto.b:AgriculturalField) (8)

N-DEGREES OF SPATIAL

KRZYSZTOF JANOWICZ

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SLIDE 23

MOTIVATION SEMANTICS N-DEGREES OF SPATIAL ONTOLOGY ALIGNMENT

ALIGNING, MATCHING, AND TRANSLATING ONTOLOGIES

a:flowsInto ⊑ a:IsConnected (1) a:IrrigationCanal ⊑ a:Canal (2) ∃a:flowsInto.a:AgriculturalField ⊑ a:IrrigationCanal (3) a:Waterbody ⊓ a:Land ⊑ ⊥ (4) a:AgriculturalField ⊑ a:Land (5) b:flowsInto ⊑ b:IsConnected (6) b:Canal ⊑ (≥2 b:IsConnected.b:Waterbody) (7) b:IrrigationCanal ≡ (=1 b:isConnected.b:Waterbody) ⊓ (=1 b:flowsInto.b:AgriculturalField) (8)

N-DEGREES OF SPATIAL

KRZYSZTOF JANOWICZ

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SLIDE 24

MOTIVATION SEMANTICS N-DEGREES OF SPATIAL ONTOLOGY ALIGNMENT

ONTOLOGIES DO NOT FIX MEANING

N-DEGREES OF SPATIAL

KRZYSZTOF JANOWICZ

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SLIDE 25

MOTIVATION SEMANTICS N-DEGREES OF SPATIAL ONTOLOGY ALIGNMENT

COMBINE DECLARATIVE SEMANTICS WITH DATA MINING

Semantic Signatures

N-DEGREES OF SPATIAL

KRZYSZTOF JANOWICZ

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SLIDE 26

MOTIVATION SEMANTICS N-DEGREES OF SPATIAL HYPOTHESIS

[This Slide Does Not Require A Title]

N-DEGREES OF SPATIAL

KRZYSZTOF JANOWICZ

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SLIDE 27

MOTIVATION SEMANTICS N-DEGREES OF SPATIAL HYPOTHESIS

N-DEGREES OF SPATIAL

N-DEGREES OF SPATIAL

KRZYSZTOF JANOWICZ

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SLIDE 28

MOTIVATION SEMANTICS N-DEGREES OF SPATIAL HYPOTHESIS

N-DEGREES OF SPATIAL

N-DEGREES OF SPATIAL

KRZYSZTOF JANOWICZ

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SLIDE 29

MOTIVATION SEMANTICS N-DEGREES OF SPATIAL HYPOTHESIS

N-DEGREES OF SPATIAL

N-DEGREES OF SPATIAL

KRZYSZTOF JANOWICZ

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SLIDE 30

MOTIVATION SEMANTICS N-DEGREES OF SPATIAL EXPLORING LINKED SPATIOTEMPORAL DATA

LINKED SPATIOTEMPORAL DATA MAP

stko.geog.ucsb.edu/location_linked_data

N-DEGREES OF SPATIAL

KRZYSZTOF JANOWICZ

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SLIDE 31

MOTIVATION SEMANTICS N-DEGREES OF SPATIAL EXPLORING LINKED SPATIOTEMPORAL DATA

FLICKR MAP

www.oii.ox.ac.uk

N-DEGREES OF SPATIAL

KRZYSZTOF JANOWICZ

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SLIDE 32

MOTIVATION SEMANTICS N-DEGREES OF SPATIAL EXPLORING LINKED SPATIOTEMPORAL DATA

TWITTER MAP

aworldoftweets.frogdesign.com/

N-DEGREES OF SPATIAL

KRZYSZTOF JANOWICZ

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SLIDE 33

MOTIVATION SEMANTICS N-DEGREES OF SPATIAL EXPLORING LINKED SPATIOTEMPORAL DATA

LSTD KERNEL DENSITY MAP

N-DEGREES OF SPATIAL

KRZYSZTOF JANOWICZ

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SLIDE 34

MOTIVATION SEMANTICS N-DEGREES OF SPATIAL EXPLORING LINKED SPATIOTEMPORAL DATA

POPULATION DENSITY 2000 MAP

N-DEGREES OF SPATIAL

KRZYSZTOF JANOWICZ

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SLIDE 35

MOTIVATION SEMANTICS N-DEGREES OF SPATIAL EXPLORING LINKED SPATIOTEMPORAL DATA

DIFFERENCE RECLASSIFICATION MAP

N-DEGREES OF SPATIAL

KRZYSZTOF JANOWICZ

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SLIDE 36

MOTIVATION SEMANTICS N-DEGREES OF SPATIAL SOURCES OF ERRORS

COPERNICUS CRATER ARTICLE IN WIKIPEDIA

N-DEGREES OF SPATIAL

KRZYSZTOF JANOWICZ

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SLIDE 37

MOTIVATION SEMANTICS N-DEGREES OF SPATIAL SOURCES OF ERRORS

COPERNICUS CRATER IN THE GEOHACK TOOLSERVER

N-DEGREES OF SPATIAL

KRZYSZTOF JANOWICZ

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SLIDE 38

MOTIVATION SEMANTICS N-DEGREES OF SPATIAL SOURCES OF ERRORS

COPERNICUS CRATER DATA IN A SEMANTIC WEB BROWSER

N-DEGREES OF SPATIAL

KRZYSZTOF JANOWICZ

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SLIDE 39

MOTIVATION SEMANTICS N-DEGREES OF SPATIAL SOURCES OF ERRORS

COPERNICUS CRATER DATA FROM DBPEDIA

N-DEGREES OF SPATIAL

KRZYSZTOF JANOWICZ

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SLIDE 40

MOTIVATION SEMANTICS N-DEGREES OF SPATIAL APPLYING THE SIGNATURE

0-DEGREE PERSONS (892/415339)

Typically, this is the result of modeling errors. In some cases the coordinates represent the place of death.

N-DEGREES OF SPATIAL

KRZYSZTOF JANOWICZ

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SLIDE 41

MOTIVATION SEMANTICS N-DEGREES OF SPATIAL APPLYING THE SIGNATURE

0-DEGREE PERSONS (892/415339)

Typically, this is the result of modeling errors. In some cases the coordinates represent the place of death.

N-DEGREES OF SPATIAL

KRZYSZTOF JANOWICZ

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SLIDE 42

MOTIVATION SEMANTICS N-DEGREES OF SPATIAL APPLYING THE SIGNATURE

2-DEGREE PERSONS (62306/415339)

These 62306 2-degree persons are often historical figures.

N-DEGREES OF SPATIAL

KRZYSZTOF JANOWICZ

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SLIDE 43

MOTIVATION SEMANTICS N-DEGREES OF SPATIAL APPLYING THE SIGNATURE

2-DEGREE PERSONS (62306/415339)

These 62306 2-degree persons are often historical figures.

N-DEGREES OF SPATIAL

KRZYSZTOF JANOWICZ