V2EX graph search

Graph Search

释义 Definition

图搜索;图上的搜索:在“图(graph)”这种由节点(node)边(edge)构成的数据结构中,按一定策略探索节点与路径,以寻找目标节点可达性、或最短路径等结果的算法思想与过程。(常见实现包括 BFS、DFS、Dijkstra、A* 等。)

例句 Examples

Graph search helps a robot find a path to the goal.
图搜索帮助机器人找到通往目标的路径。

In large networks, efficient graph search can reduce computation by avoiding revisiting nodes and by using heuristics to guide exploration.
在大型网络中,高效的图搜索可以通过避免重复访问节点、并利用启发式方法引导探索来减少计算量。

发音 Pronunciation (IPA)

/rf st/

词源 Etymology

graph 源自希腊语 graphē(“书写、描绘”),后来在数学中指用点与线表示关系的“图”。search 源自中古法语 cerchier(“寻找、搜索”)。组合成 graph search,字面即“在图结构中进行寻找/探索”,在计算机科学中专指图或网络结构上进行系统性遍历与寻路的方法。

相关词 Related Words

文学与著作中的用例 Literary Works

  • Artificial Intelligence: A Modern Approach(Russell & Norvig):在问题求解与路径规划章节中系统讨论图搜索(如 BFS、UCS、A*)及其性质。
  • Introduction to Algorithms(Cormen, Leiserson, Rivest, Stein):在图算法部分讲解用搜索遍历图(如 BFS、DFS)并用于连通性、最短路径等问题。
  • The Algorithm Design Manual(Steven S. Skiena):将图搜索作为许多实际问题(网络、调度、路径)的基础工具反复出现。
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