Some general GUIDELINES for tagging could be helpful for cross-user findability. I don't see a need for a standard at this point but clever search tools for the tag space are definitely missing. For example, to search for items with two words in a defined order users have to guess the tags of other users, e.g. hard drive: hard::drive, hard_drive, hard-drive). Using a small set of main tags and the concept of ordered tags has some advantages (more details: http://tdot.blog-city.com/advanced_tagging_with_or dered_tags.htm).
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Some general GUIDELINES for tagging could be helpful for cross-user findability. I don't see a need for a standard at this point but clever search tools for the tag space are definitely missing. For example, to search for items with two words in a defined order users have to guess the tags of other users, e.g. hard drive: hard::drive, hard_drive, hard-drive). Using a small set of main tags and the concept of ordered tags has some advantages (more details: http://tdot.blog-city.com/advanced_tagging_with_or dered_tags.htm).