Ontology-related mailing lists
If other tools are not sufficient to find an appropriate vocabulary, publishers can (and often do) rely on online communities by asking them directly.
This is a rather effortless solution which can be really efficient in some case. However, repeated enquiries about vocabularies can easily polute the traffic and publishers should first try to find a solution on their own, e.g., by following the links and indications and this wiki page.
W3C Semantic Web mailing list
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Available at: http://lists.w3.org/Archives/Public/semantic-web/
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Linking Open Data ML
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Available at: http://lists.w3.org/Archives/Public/public-lod/
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SemanticOverflow
Description: it is a Q&A service about semantic technologies, similar to StackOverflow.
Available at: http://semanticoverflow.com/
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