Efficient processing of $$k$$ k -hop reachability queries

Efficient processing of $$k$$ k -hop reachability queries We study the problem of answering k -hop reachability queries in a directed graph, i.e., whether there exists a directed path of length $$k$$ k , from a source query vertex to a target query vertex in the input graph. The problem of $$k$$ k -hop reachability is a general problem of the classic reachability (where $$k=\infty $$ k = ∞ ). Existing indexes for processing classic reachability queries, as well as for processing shortest path distance queries, are not applicable or not efficient for processing $$k$$ k -hop reachability queries. We propose an efficient index for processing $$k$$ k -hop reachability queries. Our experimental results on a wide range of real datasets show that our method is efficient and scalable in terms of both index construction and query processing. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png The VLDB Journal Springer Journals

Efficient processing of $$k$$ k -hop reachability queries

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Publisher
Springer Berlin Heidelberg
Copyright
Copyright © 2014 by Springer-Verlag Berlin Heidelberg
Subject
Computer Science; Database Management
ISSN
1066-8888
eISSN
0949-877X
D.O.I.
10.1007/s00778-013-0346-6
Publisher site
See Article on Publisher Site

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