Upload
others
View
8
Download
0
Embed Size (px)
Citation preview
FromOld Web Maps
toSemantic Geo-mashups
Vlad Tanasescu and Dumitru Roman
Semantic Geo-mashups
A Position Statement @ GeoWS’09
Feb 2, 2009Cancun, Mexico
(Old) Web Maps(Old) Web Maps
New Web MapsNew Web Maps
Navigation+
APIsAPIs+
Reality Effect
NavigationNavigation
Reality EffectReality Effect
APIsAPIs
Geo-mashupsGeo-mashups
popularpopular
Limitations?Limitations?
Points on a map…Points on a map…
Vagueness++
Multi-representation
Lack of semanticsLack of semantics
Integratingmultiple data sourcesmultiple data sources
is difficult
200 000tons
Concrete
50 000tons
Granite
110 000tons
Sand
Quantity(*)Substances
Get quarry best location
SemanticGeo-mashupsGeo-mashups
•integrating data sources•understanding them•understanding them•understanding the user•Understanding the context
Where ?
Endangered areas?Access paths?Access paths?
•Selection•Representation•Representation•Personalisation
Extreme TaggingExtreme TaggingSystems (ETS)
•Tagging the tags•Lightweight semantics•Lightweight semantics•Grounded in a theory
Summary of our statement
Geo-mashups – an emerging andpopular paradigm,
but limitations are evident
Semantic Geo-mashups (tag-based,ontology-based) are the next big
thing for Web maps
Thank you!Thank you!