Goals: right overall spirit? is this topic list sufficient? are all topics necessary - can we flush some? Share/discover/get/use metadata . Create/curate . . Formats... most are keyword/value pair sets . . . RDF . . . XMP . . . MARC . . . various image metadata formats . . . etc (long list) . . Vocabularies . . . DC . . . CC . . . Bibo . . . Datacite . . . standardization gaps: . . . . provenance . . . . stability . . . . about versioning (Memento has?) . . Ontologies ? . . "Metadata registries" (column documentation) . . Quality control . Share/get . . Metadata services / indexes . . . Protocols . . . . OAI-PMH . . . . openurl . . . . EZID. ? . . . Particular services . . . . Pubmed . . Embedded . . . image . . . XMP . . . , . . . RDFa . . From document origin . . . Via http: protocol . . . . http: response headers . . . . Link relations . . . . Link implementation . . . . . Link: header . . . . . /.well-known/host-meta + link-template . . . . 303 . . . Via handle protocol . . . Via LSID protocol . . Applicability considerations . . . Keep metadata close to what it's about. . . . Embedded is good. . . . If "metadata" is actually about variability of a resource, . . . . embedded is probably not appropriate, use http: links. . . . Flowchart? . . Assess quality . Discover . . ? not done ? . Use . . Reference managers (e.g. Zotero, Mendeley, EndNote) . . Document library managers (e.g. Papers ??) . . Audio library managers (e.g. iTunes ??) . . Image library managers (e.g. iPhoto ??) . . ? (no 'killer apps') . Sensitive metadata (???) . Security considerations (???)