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gptkbp:instanceOf
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gptkb:search_engine
graph traversal algorithm
pathfinding algorithm
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|
gptkbp:appliesTo
|
maps
unweighted graphs
weighted graphs
grids
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gptkbp:category
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gptkb:artificial_intelligence
computer science
operations research
robotics
search algorithms
graph algorithms
pathfinding
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gptkbp:closedList
|
set of visited nodes
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gptkbp:completeness
|
complete
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gptkbp:complexity
|
O(b^d)
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gptkbp:expandsNodes
|
lowest estimated total cost first
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gptkbp:f(n)
|
g(n) + h(n)
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gptkbp:g(n)
|
cost from start to n
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|
gptkbp:generalizes
|
gptkb:Dijkstra's_algorithm
gptkb:Best-First_Search
|
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gptkbp:h(n)
|
heuristic estimate from n to goal
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gptkbp:hasVariant
|
gptkb:IDA*
gptkb:Theta*
gptkb:Weighted_A*
A*E
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|
https://www.w3.org/2000/01/rdf-schema#label
|
A* Search Algorithm
|
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gptkbp:input
|
graph
start node
goal node
|
|
gptkbp:introduced
|
gptkb:Bertram_Raphael
gptkb:Nils_Nilsson
gptkb:Peter_Hart
|
|
gptkbp:introducedIn
|
1968
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|
gptkbp:openList
|
priority queue
|
|
gptkbp:optimalityCondition
|
admissible heuristic
|
|
gptkbp:optimizedFor
|
optimal with admissible heuristic
|
|
gptkbp:output
|
shortest path
|
|
gptkbp:publishedIn
|
gptkb:IEEE_Transactions_on_Systems_Science_and_Cybernetics
|
|
gptkbp:relatedTo
|
gptkb:Dijkstra's_algorithm
gptkb:Greedy_Best-First_Search
|
|
gptkbp:searchStrategy
|
best-first search
|
|
gptkbp:spaceComplexity
|
O(b^d)
|
|
gptkbp:usedIn
|
gptkb:artificial_intelligence
robotics
video games
route planning
|
|
gptkbp:usesCostFunction
|
true
|
|
gptkbp:usesHeuristicFunction
|
true
|
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gptkbp:bfsParent
|
gptkb:Graph_Algorithms
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gptkbp:bfsLayer
|
6
|