Assertion: graph's vertex | /r/HasProperty | reachable
Facets:
value: from another
type: OTHER
value: from a vertex
type: OTHER
value: from itself
type: OTHER
value: as a special case
type: OTHER
value: by a path with zero edges
type: CAUSE
value: from another vertex
type: TRANSITIVE-OBJECT
Source sentences:
text: A vertex y is said to be reachable from a vertex x if there exists a path from x to y . recognizable
text: Another operation we want is to determine if one vertex is reachable from another.
text: IsReachable algorithm: Let's suppose we want to determine if one vertex is reachable from another...
text: In an undirected graph, a vertex v is reachable from a vertex u if there is a path from u to v.
text: A vertex v of a directed graph is said to be reachable from another vertex u when there exists a path that starts at u and ends at v.
text: As a special case, every vertex is considered to be reachable from itself (by a path with zero edges).
text: In all of these transitive closure algorithms, it is possible to distinguish pairs of vertices that are reachable by at least one path of length two or more from pairs that can only be connected by a length-one path.