Publications; Cafeteria menus; …
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Transcript of Publications; Cafeteria menus; …
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Team: Thomas Bartoschek, Gerald Pape, Jim Jones, Christian Kray, Tomi Kauppinen
Gestural Interaction with Spatiotemporal Linked Open Data
PiLOD. Amsterdam, The Netherlands.
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Name: Jim Jones
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Our goal: To make any public information about the university available in machine-readable formats for easy access and reuse.- Publications;- Cafeteria menus;- …
http://lodum.de
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Name: Jim Jones
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LIFE is a two-year project funded by the German Research Foundation (DFG).
- Meta Search: Institute for Urban History;- Semantic Annotation and Georeferencing for Historic Maps …
http://lodum.de/life/
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Name: Jim Jones
Agenda
•Motivation
•Application•Dataset Creation•Gesture-based Approach•Approach Evaluation
•Conclusion•Future Work
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Name: Jim Jones
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Name: Jim Jones
Deforestation decreasing...2004: 27.423 km²2012: 4.571 km²(Awesome!)
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Known Issues Data produced queued for analysis
(Huge amounts) Hard to visualize Hard to correlate the produced data
with external variables.
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Motivation
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•How to efficiently correlate the deforestation phenomena with external variables?
•How to effectively communicate it to the population?
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Name: Jim Jones
Triangle of Sustainability● Wissenschaft Interaktiv
2012 (Interactive Science)
● Awarded with €10k for developing the project
● 4 weeks for development!
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Linked Open Data!
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Name: Jim Jones
Why Linked Data?(In 1 minute)
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The Web
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• Awesome Discoverability!
• But just for humans :(
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Name: Jim Jones
Semantics
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?The forbidden fruit
Xxx xxxx x xxxx xxx xxxxXxx xxxxxxx xx x x xxxxxxxx.
Cheers,-God
● What is the article about?● Who is the author?● What is inside the picture?● Where, when and by whom was the picture taken?● ...
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Name: Jim Jones
Direct benefits of Linked Open Data
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• Attaches meaning to data• Allows efficient thematic searches (e.g. person, company, city,
book, etc.)
• Links different kinds of datasets making the WORLD a single big repository!
• Private data and public data can be mixed, enabling companies and individuals to make better decisions and generate innovations.
My Repository
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Where to get the data?
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Creating Dataset...Gestural Interaction with Spatiotemporal Linked
Open Data15
“todos têm direito a receber dos órgãos públicos informações de seu interesse particular, ou de interesse coletivo ou geral, que serão prestadas no prazo da lei, sob pena de responsabilidade, ressalvadas aquelas cujo sigilo seja imprescindível à segurança da sociedade e do Estado”.
Lei Nº 12.527, November 18th, 2011
http://www.planalto.gov.br/ccivil_03/_Ato2011-2014/2011/Lei/L12527.htm
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Creating Dataset...Gestural Interaction with Spatiotemporal Linked
Open Data16
Deforestation
• Soybeans Crops• Cattle• GDP• Population• Brazilian Municipalities' Area
• Downloads data from IBGE Servers• Creates Triples
Linked Brazilian Rainforest Dataset
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Dataset
Vocabularies• Time and Space Core Vocabulary (TISC)
• http://observedchange.com/tisc/ns-20110511/ • Open Linked Amazon Vocabulary (OLA)
• http://observedchange.com/amazon/ns/
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Spatiotemporal Dataset● Aggregated in grid cells of 25km x 25km● Time-series 2004 - 2009
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Name: Jim Jones
Motivation (Recap...)
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•How to efficiently correlate the deforestation phenomena with external variables?
•How to effectively communicate it to the population?
Gestural Interaction with Virtual Globes!
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Enviroment
Economy
Society
Correlated with Deforestation Data!
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Gestures
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pan zoom in / out time travel
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Video ( +1 minute)
http://www.youtube.com/watch?v=Jjzj84R1Tgc
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Name: Jim Jones
Evaluating the Approach
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Evaluation Procedure and Material•5- 8 Minutes usage
•Questionnaire with 28 questions in two groups:
•1 group: demographic information •e.g. gender, age, primary hand, familiarity with gesture control
interfaces
•2 group: Task Load (NASA TLX – Task Load Index). Rating how well gestures and map actions fit together, from 0 to 20.
•e.g. In which scale you define the mental or physical workload for the gestures?
•No reward!
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Name: Jim Jones
Test Group •Participants: 43
•28 male•15 female
•Youngest : 10•Oldest: 59
•Left handed: 7•Right handed: 36
•Familiarity with gesture-based interfaces:
•Familiar: 19•Unfamiliar: 24
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ResultsGestural Interaction with Spatiotemporal Linked
Open Data26
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Observations
•Most participants reported the gestures as mentally challenging in the first minutes
•Older people found the system very accessible, particularly when compared with their first time using a mouse.
•User recognition gets considerably affected when bystanders are ‘seen’ by the Kinect sensor.
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Software
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Virtual Globe (UI)
LOD Processing
Gestures (Kinect)
https://github.com/giatschool/triangle-of-sustainability
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Hardware
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Try it yourself!
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• NASA World Wind SDK Tutorial•Getting started with the Java API and LOD application examples.•http://ifgi.uni-muenster.de/worldwind-tutorial/
•Linked Brazilian Amazon Rainforest Data•Getting familiar to the LBARD dataset.•http://linkedscience.org/tutorials/exploring-the-linked-brazilian-amazon-rainforest-data/
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Name: Jim Jones
Triangle on Tour!
• SBPC Science Fair•Recife (August, 2013)
•KIT-Alumini Club Seminar•Recife (September,2013)
• GeoCamp•Campos do Jordao (November, 2013)
• Ecogerma•Belém (November, 2013)
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Conclusion•The triangle provides an attractive and easy to use solution for
displaying spatiotemporal LOD.
•It has a high acceptance in class-rooms (Already presented in many German schools)
•Participants were able to learn how to use 3 gestures without excessive workload.
•Linked Data offers a good bases for efficiently connecting deforestation data with external variables.
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Future Work
•Improve registration gestures•Inefficient when more than one person is in front of the sensor
•Try different Kinect frameworks.
•Enable registration by children (short people)•Minimum arm length problem.
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Muito obrigado.Danke Schön.
Kiitos.Dziękuję bardzo.
Thank you!
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Comments?
Questions?