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Posted to issues@flink.apache.org by "Vasia Kalavri (JIRA)" <ji...@apache.org> on 2015/06/24 13:36:04 UTC
[jira] [Created] (FLINK-2271) PageRank gives wrong results with
weighted graph input
Vasia Kalavri created FLINK-2271:
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Summary: PageRank gives wrong results with weighted graph input
Key: FLINK-2271
URL: https://issues.apache.org/jira/browse/FLINK-2271
Project: Flink
Issue Type: Bug
Components: Gelly
Affects Versions: 0.10, 0.9.1
Reporter: Vasia Kalavri
The current implementation of the PageRank algorithm expects a weighted edge list as input. However, if the edge weight is other than 1.0, this will result in wrong results.
We should change the library method and corresponding examples (also GSAPageRank) to expect an unweighted graph and compute the transition probabilities correctly.
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