add some information about this one..

ui/NOTES.md

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+Simplified version
+
+<host uuid + path + fs stat info> -> file hash
+file hash -> tag/info [multiple specified, one tag/value per entry]
+file hash -[is part of]-> torrent info hash, file [optional if torrent is single file]
+file hash -[is part of]-> tar file hash, path + [optional seeking information]
+
+future extension:
+allow tags to be put on parts of a file instead of whole thing, e.g. actor only
+in a section of the movie
+uuid[v5?] -[is part of]-> file hash, time stamp range [e.g. section of video file]
+
+
+Namespaces:
+
+These are shorthand:
+`dc:xxx` -> Dublin Core
+`upnp:xxx` -> UPnP Content Directory Service
+
+Copy XML and canonical version is `{url}:xxx`.  There will needs to be a
+fixed and versioned set of aliases that don't need to be spelled out, and
+this will be called out in the object.
+
+Additional namespaces can be declared if they are not in a versioned set.
+There will be a public location to d/l the versioned set of URLs to allow
+old programs to handle new namespaces.
+
+
+Common dc properties:
+date
+creator
+title
+format (see mime-type)
+description
+extent (file size & duration)
+spatial (location)
+
+Common upnp properties:
+artist
+actor
+actor@role -- XXX how to represent?
+genre
+album
+albumArtURI
+seriesTitle -- title of the TV series e.g. The West Wing
+programCode
+programCode@type	(matchingID from SRS, use domain_uniq, e.g. funkthat.com_generic when there isn't anything special about the programCode, funkthat.com_generic_tv when it matches the standard TV show, such as S02E05)
+
+Automatic creation/mappings of some of the terms should be applicable.
+
+Complete list of terms are here: https://www.dublincore.org/specifications/dublin-core/dcmi-terms/
+
+https://www.dublincore.org/resources/userguide/creating_metadata/
+
+OWL: https://en.wikipedia.org/wiki/Web_Ontology_Language
+https://www.w3.org/TR/owl-ref/
+https://en.wikipedia.org/wiki/Semantic_Web