breadth-first search - translation to Αγγλικά
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breadth-first search - translation to Αγγλικά

ALGORITHM FOR SEARCHING THE NODES OF A GRAPH IN ORDER BY THEIR HOP COUNT FROM A STARTING NODE
Breadth first search; Breadth first recursion; Breadth-first traversal; BFS algorithm; Breadth-first; Breath first search; Breath-first search; Breadth-First Search; Applications of breadth-first search
  • BFS on [[Maze-solving algorithm]]
  • Top part of [[Tic-tac-toe]] game tree

breadth-first search         

общая лексика

поиск в ширину

в ИИ - алгоритм поиска в пространстве решений, при котором сначала анализируются все вершины одного уровня, а затем вершины следующих уровней. Алгоритм отыскивает решение, путь к которому на графе кратчайший, если решение существует

Смотрите также

decision space; depth-first search; heuristic search; search

back edge         
  • Animated example of a depth-first search
  • The example graph, copied from above
  • alt=A directed graph with edges AB, BD, AC, CD
  • Randomized algorithm similar to depth-first search used in generating a maze.
  • The four types of edges defined by a spanning tree
SEARCH ALGORITHM
Depth first search; Depth-first; DFS algorithm; Depth-first traversal; Depth-First Search; Back edge; Forward edge; Depth First Search; Applications of depth-first search
1) задняя кромка (листа)
2) корешковое поле
depth-first search         
  • Animated example of a depth-first search
  • The example graph, copied from above
  • alt=A directed graph with edges AB, BD, AC, CD
  • Randomized algorithm similar to depth-first search used in generating a maze.
  • The four types of edges defined by a spanning tree
SEARCH ALGORITHM
Depth first search; Depth-first; DFS algorithm; Depth-first traversal; Depth-First Search; Back edge; Forward edge; Depth First Search; Applications of depth-first search

общая лексика

поиск в глубину

в ИИ - алгоритм поиска в пространстве решений (см. decision space), при котором сначала просматриваются состояния на одном пути, а затем происходит возврат назад и формируется следующий путь. Алгоритм может не закончить свою работу, если пространство состояний бесконечно

Смотрите также

breadth-first search; heuristic search; search

Ορισμός

стек
м.
Тонкая палочка с ременной петлей на конце, применяемая как хлыст при верховой езде.

Βικιπαίδεια

Breadth-first search

Breadth-first search (BFS) is an algorithm for searching a tree data structure for a node that satisfies a given property. It starts at the tree root and explores all nodes at the present depth prior to moving on to the nodes at the next depth level. Extra memory, usually a queue, is needed to keep track of the child nodes that were encountered but not yet explored.

For example, in a chess endgame a chess engine may build the game tree from the current position by applying all possible moves, and use breadth-first search to find a win position for white. Implicit trees (such as game trees or other problem-solving trees) may be of infinite size; breadth-first search is guaranteed to find a solution node if one exists.

In contrast, (plain) depth-first search, which explores the node branch as far as possible before backtracking and expanding other nodes, may get lost in an infinite branch and never make it to the solution node. Iterative deepening depth-first search avoids the latter drawback at the price of exploring the tree's top parts over and over again. On the other hand, both depth-first algorithms get along without extra memory.

Breadth-first search can be generalized to graphs, when the start node (sometimes referred to as a 'search key') is explicitly given, and precautions are taken against following a vertex twice.

BFS and its application in finding connected components of graphs were invented in 1945 by Konrad Zuse, in his (rejected) Ph.D. thesis on the Plankalkül programming language, but this was not published until 1972. It was reinvented in 1959 by Edward F. Moore, who used it to find the shortest path out of a maze, and later developed by C. Y. Lee into a wire routing algorithm (published 1961).

Μετάφραση του &#39breadth-first search&#39 σε Ρωσικά