Direction-Optimizing Breadth-First Search

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Provided by: Institute of Electrical & Electronic Engineers
Topic: Storage
Format: PDF
Breadth-First Search (BFS) is an important kernel used by many graph-processing applications. In many of these emerging applications of BFS, such as analyzing social networks, the input graphs are low-diameter and scale-free. The authors propose a hybrid approach that is advantageous for low-diameter graphs, which combines a conventional top-down algorithm along with a novel bottom-up algorithm. The bottom-up algorithm can dramatically reduce the number of edges examined, which in turn accelerates the search as a whole.
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