Corporation For National Research Initiatives DOIs and the Handle System 7 May 1998 Larry Lannom...

Corporation For NationalResearch Initiatives

DOIs and the Handle System

7 May 1998

Larry Lannom

CNRI


DOIs and the Handle System

DOIs are an application of the Handle System

The Handle System is a distributed computer system for naming digital objects and storing the names and the information that is needed to locate and access these items via the Internet.


Digital Object Architecture

Client

Repository / Collections

Resolution System

•Search Engines•Metadata Databases•Catalogues, Guide, etc.

Resource Discovery


Handle System Initiatives

IDF (International DOI Foundation) Library of Congress

– National Digital Library Program

– U.S. Copyright Office

NCSTRL (Networked Computer Science Technical Reports Library)

DTIC (Defense Technical Information Center) USIA (U.S. Information Agency) NMPA (National Music Publishers’ Association)


Handles Resolve to Typed Data

Handle data

loc.ndlp/amrlp.123456 URLhttp://www.loc.gov/.....

Handle Data type

RAPloc/repository

URLhttp://www.loc2.gov/..

Extensible Data Types XYZ1001110011110


HS#n

HS#n

which may be replicated

Handle Resolution

Client

Handle System

GHS

LHSLHS

LHSLHSLHS

is a collection of Handle Serviceseach of which consists of one or more Handle Servers

HS#1

HS#2

HS#3

HS#n

http://www.loc.gov/.....loc.ndlp/amrlp.123456 URL

URLhttp://www.loc2.gov/.....


Handle Clients

Handle Resolution

Web Browser Web Browser

Handle Administration

Handle System

GHS

LHSLHS

LHSLHS

GHS

LHSLHS

LHSLHSLHS


Handle ClientsWeb Browser

Proxy

Web Server

HTTP Get

Resolve HandleHandle Data

HTTP Redirect

Handle System


http://dx.doi.org/10.1015/123456

GHS

LHSLHS

LHSLHS

GHS

LHSLHS

LHSLHSLHS

Handle Resolution

Web Browser


Handle ClientsWeb Browser Web Browser


Handle System

Browser Extension

Resolve Handle Handle Data

hdl:10.1015/123456

Handle Resolution

GHS

LHSLHS

LHSLHS

GHS

LHSLHS

LHSLHSLHS


Local Resolution of Global Ids

Web Browser

Local Client

Local collection

Global Resolution System

hdl:10.123/456

hdl:10.123/456

10.123/456 = http://local/abc.html

redirect - http://local/abc.html

http://local/abc.html

www.pub.com

Local Network/Environment(Harvard)

Cache/Proxy



Web Browser

Local Client

Local collection

Global Resolution System

hdl:10.789/abc

hdl:10.789/abc

http://www.pub.com/abc.html www.pub.com

hdl:10.789/abc

http://www.pub.com/abc.html

abc.html

Cache/Proxy

?



WebBrowser

Local Client

Local collection


Cache/Proxy

hdl:10.123/456

hdl:10.123/456

redirect - http://IV/abc.html

http://IV/abc.html

Cache/Proxy

Local Network/Environment(Ivy League)

www.pub.com


Global Resolution

System


http://dx.doi.org/10.123/456

hdl:10.123/456

urn:hdl:10.123/456

Handle Record Client Representation

urn:hdl:10.123/%E6%97%A5%E6%9C%AC

hdl:10.123/%E6%97%A5%E6%9C%AC

Handle Syntax and I18N

10.123/456 URL http://pub.com/doc.html

http://10.123/%E6%97%A5%E6%9C%AC

10.123/ URL http:/ietf.org/japan.html

hdl:10.123/ (UTF-8 Encoding)


Http://www.pub1.com/1b/

Electronic version ofJournal of New Physicspublished by Famous Science Publishing Co.

Handle Data and Metadata

DOI: 10.XXXX/1234URL: http://www.pub1.com/1b/JN: Journal of New PhysicsTI: New HorizonaAU: Bill SmithPG: 786-980AB: Lorem ipsum dolor sit amet, consectetuer adipiscing elit, sed diem nonummy nibh euismod.Lorem ipsum dolor sit amet, consectetuer adipiscing elit, sed diem nonummy nibh euismod

Metadata Collection and DOI Registration


WholesaleMetadataCollection

Metadata

Handle System

Handle Data

Other Data Services

Handle data and metadata


CollectionService

CollectionService

•Indexes•Filters•Queries

VARs


WholesaleMetadataCollection

Metadata

Handle System

Handle Data

Other Data Collectors

Handle data and metadatarecords

Publisher 1

Publisher 2

Publisher 3 Publisher n


CollectionService

CollectionService

•Indexes•Filters•Queries

VARs


Client

Handle System

Value AddedResellers

Publisher 1

Publisher 2

Publisher 3 Publisher n

Publisher Collections

Digital Object Architecture

Corporation For National Research Initiatives DOIs and the Handle System 7 May 1998 Larry Lannom...

Documents

Transcript of Corporation For National Research Initiatives DOIs and the Handle System 7 May 1998 Larry Lannom...