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Introduction to Urban Computing in LarKC

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Introduction to the seminar hold in Cefriel to present some of the results from the Urban Computing use case of the LarKC project

Introduction to the seminar hold in Cefriel to present some of the results from the Urban Computing use case of the LarKC project

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  • 1. Urban Computing in LarKCIrene Celino, Daniele Dell’Aglio, Emanuele Della Valle CEFRIEL – ICT Institute, Politecnico di Milano Introduction to Urban Computing in LarKC – Cefriel, 28th June 2011
  • 2. LarKC – the vision Web-scale Data1 triple: Distance Sun – Pluto ~1014 triples (estimate on no. triples on the Web) See also: http://www.youtube.com/watch?v=hjUbbl4cnAE Introduction to Urban Computing in LarKC 2 Cefriel, 28th June 2011
  • 3. LarKC – the vision Web-scale ReasoningGiving up 100%correctness: Logics precision (soundness) trading quality for size often completeness is Semantic Web not needed sometimes even correctness is not needed IR not only logics! recall (completeness) See also: http://www.youtube.com/watch?v=hjUbbl4cnAEIntroduction to Urban Computing in LarKC 3 Cefriel, 28th June 2011
  • 4. The LarKC project LarKC – the Large Knowledge Collider – is a platform for massive distributed incomplete reasoning to remove the scalability barriers of existing reasoning systems http://www.larkc.eu/ for the Semantic Web Factsheet: 10M€ budget Technology pillars: 3.5 years (ending Sept 2011) >80 person years logic-based reasoning 16 partners, 3 use case information retrieval obtained in FP7 Call1 machine learning Outcomes: databases LarKC Platform on Sourceforge (now v 2.5) with probabilistic reasoning Apache license cognitively-inspired approaches >25 plug-ins for the platform high-performance computing Several demonstrators >90 publicationshttp://www.youtube.com/watch?v=hjUbbl4cnAEIntroduction to Urban Computing in LarKC 4 Cefriel, 28th June 2011
  • 5. Urban ComputingThe integration of computing, sensing, and actuation technologies into everyday urban settings and lifestyles. [source IEEE Pervasive Computing,July-September 2007 (Vol. 6, No. 3)] Urban settings include streets, squares, pubs, shops, buses, and cafés - any space in the semipublic realms of our towns and cities Only in the last few years research paid attention to urban environments Pervasive computing is more and more applied Great success of Location-based Services and Location-based Social Networks with increasing amounts of data Urban settings are challenging for experimentation & deploymentIntroduction to Urban Computing in LarKC 5 Cefriel, 28th June 2011
  • 6. LarKC Urban Computing Use Case Urban Computing to address cities challenges LarKC to elaborate urban data and provide solutionsIs public transportation where the people are? Which landmarks attract more people? Where are people concentrating? Where is traffic moving? Introduction to Urban Computing in LarKC 6 Cefriel, 28th June 2011
  • 7. Semantic Technologies "Semantics" in the LarKC Urban Computing use caseSemantic Points of Interest (POIs) retrieval: Which are the relevant monuments? What events are scheduled tonight? What POIs should I visit?Operations Research: What is the most "desirable" path to my destination (shortest vs. quickest)? How should I schedule my city tour given my time constraints (TSP problem)?Machine Learning: What POIs could be interesting for me? Should I expect traffic on my way to…? Which "mavens" of this POI should I ask for advice?RDF/SPARQL/OWL based interoperability: integration and interoperability between different components through the adoption of Semantic Web technologies (enabled by the LarKC platform)Introduction to Urban Computing in LarKC 7 Cefriel, 28th June 2011
  • 8. LarKC Urban Computing DemonstratorsYear 1: Urban LarKC: find monuments and events in Milano and the shortest path to reach themIntroduction to Urban Computing in LarKC 8 Cefriel, 28th June 2011
  • 9. LarKC Urban Computing DemonstratorsYear 1: Glusic: music concert recommender system based on social streams and multimedia contentsIntroduction to Urban Computing in LarKC 9 Cefriel, 28th June 2011
  • 10. LarKC Urban Computing DemonstratorsYear 2: Korean Road Sign Management: automatic checking of road signs information in SeoulIntroduction to Urban Computing in LarKC 10 Cefriel, 28th June 2011
  • 11. LarKC Urban Computing DemonstratorsYear 2: Traffic LarKC: find the shortest/quickest path to your destination in Milano with traffic predictions - http://larkc.cefriel.it/traffic-larkcIntroduction to Urban Computing in LarKC 11 Cefriel, 28th June 2011
  • 12. LarKC Urban Computing DemonstratorsYear 3: BOTTARI: Location-based Social Media Analytics on Seoul POIsIntroduction to Urban Computing in LarKC 12 Cefriel, 28th June 2011
  • 13. LarKC Urban Computing DemonstratorsYear 1: Urban LarKC: find monuments and events in Milano and the shortest path to reach them Glusic: music concert recommender system based on social streams and multimedia contentsYear 2: Korean Road Sign Management: automatic checking of road signs information in Seoul Traffic LarKC: find the shortest/quickest path to your destination in Milano with traffic predictionsYear 3: BOTTARI: Location-based Social Media Analytics on Seoul POIs Semantic City Tour Planner: Travel Salesman Problem with Time Windows (TSP-TW) with dynamic Semantic POI retrieval in AmsterdamIntroduction to Urban Computing in LarKC 13 Cefriel, 28th June 2011
  • 14. Whats next today?Semantic City Tour Planner: Travel Salesman Problemwith Time Windows (TSP-TW) with dynamic Semantic POIretrieval in Amsterdam Master Thesis work of Chris and Bas from the Vrije Universiteit Amsterdam Participating to the LarKC Workflow Challenge http://www.larkc.eu/larkc-workflow-challenge-2011/Traffic LarKC: find the shortest/quickest path to yourdestination in Milano with traffic predictions Collaboration between CEFRIEL and Siemens in LarKC Winner of the AI Mashup Challenge 2011 https://sites.google.com/a/fh-hannover.de/aimashup11/Introduction to Urban Computing in LarKC 14 Cefriel, 28th June 2011
  • 15. Thanks for your attention! Any question? Contact: Irene Celino – Semantic Web Practice CEFRIEL – ICT Institute, Politecnico di Milano email: irene.celino@cefriel.it – web: http://swa.cefriel.it personal website: http://iricelino.org phone: +39-02-23954266 – fax: +39-02-23954466 slides available at: http://www.slideshare.net/iricelino Introduction to Urban Computing in LarKC – Cefriel, 28th June 2011

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