Bringing New Forms of Data to the Study of Cities€¦ · References Arribas-Bel, D. (2014). Accidental, open and everywhere: Emerging data sources for the understanding of cities

BringingNewFormsofDatatotheStudyofCities

GeographicDataScienceLabGeography&Planning

UniversityofLiverpool

DaniArribas-Bel [@darribas]

http://darribas.org/

http://twitter/com/darribas

TodayThe(Geo-)DataRevolutionGeographicDataScienceExamplesSpokenPostcodesST-LISACalendar

The(Geo-)DataRevolution

Thelastdecadehasseenanexplosionof dataavailabletoresearchers .

Thelastdecadehasseenanexplosionofnewformsof dataavailabletoresearchers .

Thelastdecadehasseenanexplosionofnewformsofurban dataavailabletoresearchers .

Thelastdecadehasseenanexplosionofnewformsofurban(geo-)dataavailabletoresearchers .

Thelastdecadehasseenanexplosionofnewformsofurban(geo-)dataavailabletoresearchersaccidentally.

AccidentalUrbanData

AccidentalUrbanDataIndiviualdatacollectedfrom(mobile)sensors

AccidentalUrbanDataIndiviualdatacollectedfrom(mobile)sensorsBusinessesmoving(atleastpartly)online

AccidentalUrbanDataIndiviualdatacollectedfrom(mobile)sensorsBusinessesmoving(atleastpartly)onlineGovernmentsreleasingmoreandmoredatasetsforefficiencyandtransparencyreasons

Opportunities

Challenges

OpportunitiesHighergranularityoverspaceandtimeBettermeasurementofcertainphenomena"Always-on"observatory

Challenges

OpportunitiesHighergranularityoverspaceandtimeBettermeasurementofcertainphenomena"Always-on"observatory

ChallengesQuality(e.g.bias,coverage...)TechnicalMethodological

RawdataaloneareNOTparticularlyuseful,insightsare


DataScience


GIS+DataScience


GIS+DataScience=GeographicDataScience


GIS+DataScience=GeographicDataScienceCombinationofDSapproachandtoolstodealwithmoderndatasetsandtheexpertisedevelopedbyGISctodealwithlocationandgeospatialdata

Examples

TheSpokenPostcodes

Neighborhoodsareareasincitiesthatsharethesamecharacter

Alotofpublicfundingandsocialsciencereliesontheneighborhoodasameaningfulunitofanalysis

Neighborhoodsareareasincitiesthatsharethesamecharacter

Alotofpublicfundingandsocialsciencereliesontheneighborhoodasameaningfulunitofanalysis,yetavailableones(administrativeboundaries)areprobablynotgoodproxies

Redrawneighborhoodboundariessotheybetterrepresentcharacter

Redrawneighborhoodboundariessotheybetterrepresentcharacter,usinganewsourceofdata(Twitter)

Redrawneighborhoodboundariessotheybetterrepresentcharacter,usinganewsourceofdata(Twitter),andGDSmethods

ST-LISACalendar

ST-LISACalendar

ST-LISACalendarDesigningnewvisualizationapproachesthatallowtomakesenseoflarge,granulardatasetsabouturbanactivity

ST-LISACalendar

Identifyhotspotsofactivityin3YearsofmobilephoneactivityinAmsterdam

ToTakeAwayThe(data)worldhasexpandedThisisahugeopportunitytourbanscientistsTraditionalmethodsneedtoexpandtotakefulladvantageofthislandscape

References

Arribas-Bel,D.(2014).Accidental,openandeverywhere:Emergingdatasourcesfortheunderstandingofcities.AppliedGeography,49,45–53.Arribas-Bel,D.(2015)Thespokenpostcodes.RegionalStudies,RegionalScience,2(1):457-460.Singleton,A.andArribas-Bel,D.(2017).GeographicDataScience.Workingpaper.Arribas-Bel,D.andTranos,E.(2017).CharacterizingtheSpatialStructure(s)ofCities“onthefly”:theSpace-TimeLISACalendar.WorkingPaper.Arribas-Bel,D.,Patino,J.andDuque,J.C.(2017)RemoteSensing-BasedMeasurementofLivingEnvironment--DeprivationImprovingClassicalApproacheswithMachineLearning.WorkingPaper.

Documents

Bringing New Forms of Data to the Study of Cities€¦ · References Arribas-Bel, D. (2014). Accidental, open and everywhere: Emerging data sources for the understanding of cities