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Literature and folklore is rife with a range of oracles that have been used by explorers to explore unknown environments. But how effective are these various oracles? This paper considers the power of string and string-like oracles to map an unknown embedded topological environment. We demonstrate that for undirected graphs, even very short strings can be used to explore an unknown environment but...
Graph clustering addresses the problem of how to partition the vertices of a graph into subgraphs such that the vertices in the same subgraph are highly homogeneous and share some common characteristics. To reduce the computational cost, this paper presents a novel clustering algorithm, called LERgc, utilizing localized connectivity knowledge. We compare LERgc with widely used MCL algorithm in terms...
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