Related Work

STRIPS (1970) McDermott (1978) IPEM

Sacerdoti (1974)Rob Holte (1990-2000)

Michael LittmanLeslie KaelblingJim Blythe B.Bonet

??

No Abstraction Abstraction

Deterministic

Probabilistic

Abstraction for Planning

Lucian Vlad Lita

Joint work with Jamieson Schulte and Sebastian Thrun

Easy, Right?

Not a Problem

Shortest Path

Not a Problem, But Smarter

Abstraction

Not a Problem, But Smarter

Abstraction

Reality

Is It Still Easy?

Snapshot of West Honduras

Shortest Path & Abstraction work in Polynomial Time

We Have a Problem!

Hurricane Mitch

Not So Easy Anymore!

Uncertainty

P=0.8T=10

P=0.5T=2

P=0.9T=5

P=0.8T=10

P=0.1T=10

P=0.97T=20

P=0.99T=7

P=0.01T=1

P=0.69T=18

P=0.91T=5

Contingency Planning

Intractable

P=0.8T=10

P=0.5T=2

P=0.9T=5

P=0.8T=10

P=0.1T=10

P=0.97T=20

P=0.99T=7

P=0.01T=1

P=0.69T=18

P=0.91T=5