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- info:arxiv/id - registered info URI scheme space for arXiv but never used http://info-uri.info/registry/OAIHandler?verb=GetRecord&metadataPrefix=reg&identifier=info:arxiv/. Would expect We probably will not to use this.
- UNKNOWN FOR Semweb/OAI-ORE semweb item/concept identifiers - current topic of debate is what we should do for semantic web type apps. We want global, resolvable, persistent ids for articles, versions, ore-aggregations, subjects, collections. Seems like the perfect place to start with any new PIDS.
- semweb author ids - we have internal account numbers and nicknames for the submitters of all papers. Others may also be registered as owners and/or authors of papers though we do not have ids for all authors. Up until now (Sep 2009) we have not exposed author numbers or nicknames. We plan to expose services based on user ids but no decision has yet been made about what form to expose. We will likely want to use/expose equivalences with author ids in other systems (rdf:sameAs) but sharing and scheme is likely to be impractical.