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!