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Asked 5 November 2021
Is there any site from where I can get educational related knowledge graph?
I am looking for a knowledge graph in the educational domain. Please help me with details from where I can get it.
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R(G) was introduced by Liu, and he gave the properties of the classes of graphs and described them respectively when R(G)=0 and R(G)=1. Here, we extend this result to the cases of R(G)=-1 and R(G)=-2, then we prove that the union of two classes of graphs are chromatically unique under the certain conditions.
In this article, we study the problem of finding the next-to-shortest path in circular-arc graph. A next-to-shortest path between any pair of vertices in a shortest path amongst all paths between those vertices with length strictly greater than the length of the shortest path. The next-to-shortest path problem in a directed graph in NP-hard. Here w...