1. The Electronic Astrophysical Journal Resource Location and Archive Management Archibald Warnock A/WWW Enterprises

2. Resource Location and Archive Management u File & Document Naming u Resource Discovery

3. Overall Status u Prototype from January ‘95 u Implementation for Production Version

4. Archive Management: Background u Archive Management Requires File Mobility u On-line Access Requires File Stability u Result: URNs = Permanent Names w/ Lookup service

5. Archive Management: Status u Prototype URN Resolver via CGI script u “Official” Syntax is being developed under IETF u Bibcodes (re: CDS, ADS) are adequate for now

6. Resource Location: Background u 3 Methods of Access - Search, Browse, Direct (bibliographic) u Direct Access requires knowledge of URN u Require a query service to discover URNs/URLs

7. Resource Location: Status u Citation Records of Bibliographic Information - URC.0 u Generated automatically at ingest time u SGML-like tags provide full-text and field-based searching using Isite u The result of a search is a “card catalog entry”, including URNs & URLs

8. Next Steps u EApJ and ADS already link to each other at URN level u Implement URN resolver & URC query service for EApJ u Interoperability development needed to link URC query systems