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Id: 86445
Status: open
Priority: 0/
Queue: WordNet-Similarity

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Owner: Nobody in particular
Requestors: TPEDERSE [...] cpan.org
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Subject: possible bug in hso finding relation paths
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This was reported by Hideki Shima of CMU. --------------------------------------------------------- (5) HSO: finds sub-optimal cyclic relation path --------------------------------------------------------- Given cyclone#n#2 and hurricane#n#1, hso returns the following log: <trace> Horizontal Links of cyclone#n#2: Upward Links of cyclone#n#2: windstorm#n#1 Downward Links of cyclone#n#2: hurricane#n#1 tornado#n#1 typhoon#n#1 Horizontal Links of hurricane#n#1: Upward Links of hurricane#n#1: cyclone#n#2 Downward Links of hurricane#n#1: Beaufort_scale#n#1 MedStrong relation path... cyclone#n#2 [U] windstorm#n#1 [U] storm#n#1 [D] windstorm#n#1 [D] cyclone#n#2 [D] hurricane#n#1 MedStrong relation path... cyclone#n#2 [U] windstorm#n#1 [D] cyclone#n#2 [D] hurricane#n#1 cyclone#n#2 hurricane#n#1 4 </trace> The relation path above seems to contain a cyclic path, which results in a lower score than expected: cyclone#n#2 -> windstorm#n#1 -> cyclone#n#2 The same is true for this pair too: hit#v#10 attack#v#1 This phenomenon is also very rare and has not been observed in 10k randomly generated noun-noun pairs of synsets.
problem has been documented in TODO list of WordNet-Similarity 2.07 patches are welcome :)


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