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Corporation For National Research Initiatives DOI Resolution Issues Larry Lannom DOI Workshop Reston, VA 19 September 2000.

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Presentation on theme: "Corporation For National Research Initiatives DOI Resolution Issues Larry Lannom DOI Workshop Reston, VA 19 September 2000."— Presentation transcript:

1 Corporation For National Research Initiatives DOI Resolution Issues Larry Lannom DOI Workshop Reston, VA 19 September 2000

2 Corporation For National Research Initiatives DOI Resolution Issues Basic Handle Resolution Capabilities Contextualization Parameterization Larry Lannom - 19 Sep 00

3 Corporation For National Research Initiatives 3 Handle dataHandleData type Index Handles Resolve to Typed Data 10.123/456 URLhttp://srv1.pub.com/..... 3 URL http://srv2.pub.com/..... 2 9 URLhttp://srv3.pub.com/..... 5 9 MD http://lu.cr.com/10.123.. 10 999 EMAccounts@pub.com 9 9 IP10.456/789 4 Larry Lannom - 19 Sep 00

4 Corporation For National Research Initiatives The Two Types of Handle Query Handle System Give me all data associated with handle 10.1000/123. Handle Client 1. Request all data 3 2 5 10 9 4 10.1000/123URL1(Server in US) URL2 (Server in Asia) URL3 (Server in Europe) public key email address rights data URL PK EM IP IndexTypeDataHandle Corporation For National Research Initiatives 325325 10.1000/123URL1(Server in US) URL2 (Server in Asia) URL3 (Server in Europe) URL IndexTypeDataHandle Give me all data of type URL associated with handle 10.1000/123. Handle Client 2. Request all data of a given type Handle System Larry Lannom - 19 Sep 00

5 Corporation For National Research Initiatives Handle Protocol/Data Model Multiple typed values per handle Extensible typing Query by type Larry Lannom - 19 Sep 00

6 Corporation For National Research Initiatives Some Other Process Future Resolution - Scenario 1 (1) Handle System (2) 3 2 5 10 9 4 10.1000/39505468499584974URL1(Server in US) URL2 (Server in Asia) URL3 (Server in Europe) public key email address rights data URL PK EM IP Some other handle aware process uses a DOI to contact the Handle System and request all URLs associated with that DOI... doi:10.1000/39505468499584974 Internet Larry Lannom - 19 Sep 00

7 Corporation For National Research Initiatives Handle System (3) 325325 10.1000/39505468499584974URL1 (Server in US) URL2 (Server in Asia) URL3 (Server in Europe) URL... and then ranks those URLs based on performance or best location... Some Other Process Future Resolution - Scenario 1 Larry Lannom - 19 Sep 00

8 Corporation For National Research Initiatives URL2 (Server in Asia)... chooses the best one, and resolves it. (4) URL2 (Server in Asia) Some Other Process Future Resolution - Scenario 1 Larry Lannom - 19 Sep 00

9 Corporation For National Research Initiatives A process might use an email address, rights data, or other current state data. Handle System (2) (3) 3 2 5 10 9 4 10.1000/46578URL1(Server in US) URL2 (Server in Asia) URL3 (Server in Europe) public key email address rights data URL PK EM IP doi:10.1000/46578 (1) (4) rights data Some Other Process Future Resolution - Scenario 1 Larry Lannom - 19 Sep 00

10 Corporation For National Research Initiatives (1) XML file with embedded DOI User clicks on a DOI embedded in an XML document. Future Application with native understanding of handles and XML doi:10.1000/5467 Future Resolution - Scenario 2 Larry Lannom - 19 Sep 00

11 Corporation For National Research Initiatives The application connects to the Handle System... Future Application with native understanding of handles and XML Future Resolution - Scenario 2 Handle System (2) 32943294 10.1000/5467http://www.pub.org/ http://rights.explain/ help@acme.com http://crossref.org/... URL IP EM MD Larry Lannom - 19 Sep 00

12 Corporation For National Research Initiatives... and retrieves DOI data. Future Application with native understanding of handles and XML Future Resolution - Scenario 2 (3) 32943294 10.1000/5467http://www.pub.org/ http://rights.explain/ help@acme.com http://crossref.org/.. URL IP EM MD Larry Lannom - 19 Sep 00

13 Corporation For National Research Initiatives Application analyzes the data associated with that DOI. Future Application with native understanding of handles and XML Future Resolution - Scenario 2 http://www.pub.org/ http://rights.explain/ help@acme.com http://crossref.org/.. URL IP EM MD Larry Lannom - 19 Sep 00

14 Corporation For National Research Initiatives and dynamically displays for the user, as a mouseover, a list of options based on the data in the DOI System. Future Application with native understanding of handles and XML Future Resolution - Scenario 2 (5) XML file with embedded DOI 1. Retrieve document 2. Explain rights 3. Email query 4. Show metadata Larry Lannom - 19 Sep 00

15 Corporation For National Research Initiatives User selects which path to follow. Future Application with native understanding of handles and XML Future Resolution - Scenario 2 (6) XML file with embedded DOI metadata record 1. Retrieve document 2. Explain rights 3. Email query 4. Show metadata Larry Lannom - 19 Sep 00

16 Corporation For National Research Initiatives Contextualization: Current Corporation For National Research Initiatives Larry Lannom - 19 Sep 00 10.1000/123 http://acme.com/pg1.html 10.1000/123 Handle System dx.doi.org acme.pub pg1.html Article with CrossRef Link Client XYZ University Local copy

17 Corporation For National Research Initiatives Contextualization: First Experiment (Hardcoded CrossRef) Larry Lannom - 19 Sep 00 10.1000/123?cookie Redirect to local SFX Server Handle System dx.doi.org Understands SFX Cookies CrossRef Metadata? Metadata localCopy.html Article with CrossRef Link Client Local SFX Server XYZ University

18 Corporation For National Research Initiatives Contextualization: Second Experiment (MD Indirection) Larry Lannom - 19 Sep 00 10.1000/123?cookie Redirect to local SFX Server Metadata location? Meta1.com Handle System dx.doi.org Understands SFX Cookies Meta1.com Metadata Collection Service XYZ University Client Article with CrossRef Link Local SFX Server localCopy.html Metadata? Metadata

19 Corporation For National Research Initiatives Handle URI Parameters Instructions to client on interacting with handle system –type=PK –query=Authoritative Instructions to client on further actions to take with return values –URLsuffix=ABC Instructions to client on further actions to take with returned object –loc=chap23 Larry Lannom - 19 Sep 00

20 Corporation For National Research Initiatives Handle URI Syntax (type=PK)@10.123/456 (type=PK){subject=accounts}@10.123/456 (type=PK(subject=accounts))@10.123/456 10.123/456!type=PK?subject=accounts 10.123/456?type=PK&subject=accounts etc - still in play Larry Lannom - 19 Sep 00


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