<s5>Æliens</s5> -- slide(s)

Dam Square, Amsterdam

it is a 'real world' environment
it has 700 years of (recorded) history
it has a fair amount of historical buildings
buildings and street life change over time

how can we give access to the 'Dam square' information space

...

virtual context

VR model of Dam square
selection of related paintings fromRoyalMuseum
viewpoint adjustment, to match painting
(transparent) overlay of paintings over buildings

augmented virtual reality

give user sense of geographic placement of buildings
show how multiple objects in a museum relate to eachother
show what paintings convey about their subject, and how

problems

organised guided tours
account for buildings that no longer exist
change temporal context
allow user queries as input

VRML

declarative means for defining geometry and appearance
prototype abstraction mechanism
powerful event model
relatively strong programmatic capabilities

...

virtual archeology

variety of archeological sites
various paths through individual site
reconstruction of 'lost' elements
'discovery' of new material
glossary -- general background knowledge