LarKC Tutorial at ISWC 2009 - Urban Computing

Understanding and Manipulating the Urban Computing workflows http://wiki.larkc.eu/UrbanComputing/ Daniele Dell’Aglio Emanuele Della Valle [email_address] [email_address] Joint work with: CEFRIEL: I. Celino, D.Dell’Aglio SALTLUX: K. Kim, S. Park VUA: Z. Huang SIEMENS: V.Tresp, Y. Huang, F. Steinke H. Werner

Context – Urban Computing [source IEEE Pervasive Computing,July-September 2007 (Vol. 6, No. 3) ] Terra Cognita Workshop, 26-10-2009 The integration of computing, sensing, and actuation technologies into everyday urban settings and lifestyles.

Context – Urban Data Availability ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],2nd Early Adopters Workshop, 25-10-2009

Sample Usage Scenario: Alpha Urban LarKC ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],2nd Early Adopters Workshop, 25-10-2009

Alpha Urban LarKC challenges ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],2nd Early Adopters Workshop, 25-10-2009

Alpha Urban LarKC at a glace Data Request Web Retrieved Data PROBLEM : Which Milano monuments or events can I quickly get to from here? Streets Monuments Events Data & Tools PLATFORM SPARQL query SPARQL result Live Demo of the client application: http://seip.cefriel.it/alpha-Urban-LarKC/ A demonstration video: http://seip.cefriel.it/alpha-Urban-LarKC/alpha-Urban-LarKC-demo.htm 2nd Early Adopters Workshop, 25-10-2009

Alpha Urban LarKC workflows ,[object Object],[object Object],[object Object],[object Object],2nd Early Adopters Workshop, 25-10-2009 Data Request Web Retrieved Data PLATFORM SPARQL query SPARQL result Streets Events

Monument Destination Selection Worflow ,[object Object],[object Object],[object Object],[object Object],[object Object],2nd Early Adopters Workshop, 25-10-2009

Events retrieval ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],2nd Early Adopters Workshop, 25-10-2009

Events representation ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],2nd Early Adopters Workshop, 25-10-2009

Query: SPARQL query to get the events ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],2nd Early Adopters Workshop, 25-10-2009

Event Selection Workflow ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],2nd Early Adopters Workshop, 25-10-2009

SparqlToCityQuery Transformer (1/2) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],2nd Early Adopters Workshop, 25-10-2009 ,[object Object],[object Object],[object Object],[object Object],[object Object]

SparqlToCityQuery Transformer (2/2) ,[object Object],[object Object],2nd Early Adopters Workshop, 25-10-2009

Event Identifier (1/2) ,[object Object],[object Object],[object Object],[object Object],[object Object],2nd Early Adopters Workshop, 25-10-2009

Event Identifier (2/2) ,[object Object],[object Object],[object Object],2nd Early Adopters Workshop, 25-10-2009

XML2RDF Tranformer (1/2) ,[object Object],[object Object],[object Object],[object Object],2nd Early Adopters Workshop, 25-10-2009

XML2RDF Tranformer (2/2) ,[object Object],[object Object],[object Object],2nd Early Adopters Workshop, 25-10-2009

Input data: Street Topology in RDF ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],A type Node. B type Node. D type Node. A lat 9.456. A long 45.123. l1 type Link. l1 from A. l1 to B. l1 linkWeight 3. l2 type Link. l2 from B. l2 to D. l2 linkWeight 5. Node definitions Link definitions l1 l3 l2 l4 l7 l8 l5 l6 A B C D E F 3m 2m 3m 5m 4m 6m 4m 4m 2nd Early Adopters Workshop, 25-10-2009 9.456 A B l1 l2 D 3 5 from from to to linkWeight linkWeight 45.123 lat long

Output data: path definition in RDF ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],The new schema: A B l1 l2 D 3 5 from from to to linkWeight linkWeight p 8 pathWeight pathFrom pathTo contain contain 9.456 45.123 lat long 2nd Early Adopters Workshop, 25-10-2009

Query: SPARQL query to get the path ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],2nd Early Adopters Workshop, 25-10-2009

Alpha Urban LarKC Path Finding Workflow 1 ,[object Object],[object Object],[object Object],[object Object],2nd Early Adopters Workshop, 25-10-2009 Decider SPARQL Result SPARQL Query Local Plug-in Manager Identifier Plug-in API Local Plug-in Manager Selector Plug-in API Local Plug-in Manager Reasoner Plug-in API

Identifier strategy ,[object Object],[object Object],2nd Early Adopters Workshop, 25-10-2009

OpResPathFinder Reasoner (1/2) ,[object Object],[object Object],[object Object],2nd Early Adopters Workshop, 25-10-2009

OpResPathFinder Reasoner (2/2) ,[object Object],[object Object],[object Object],2nd Early Adopters Workshop, 25-10-2009

Much more to come! Keep an eye on http://wiki.larkc.eu/UrbanComputing 2nd Early Adopters Workshop, 25-10-2009

LarKC Tutorial at ISWC 2009 - Urban Computing

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