Discovery to Delivery: Solutions to Put Your Content Where the Users Are November 2-3, 2006 Taking D2D Services to the Users with OpenURL, RSS, and OAI-PMH Chuck Koscher Technology Director, CrossRef

Discovery to Delivery: Solutions to Put Your Content Where the Users Are November 2-3, 2006 Everything is online – if it’s not online, it doesn’t exist Everything is interlinked – if it’s not linked it doesn’t exist Breaking of barriers between academic and consumer behavior – user expectations are set by Google, eBay, etc. Journal brand strong but moving to article economy Economic models changing – Open Access Technical Reports and other grey lit are now findable Books going online Scholarly Publishing Trends “Find-ability precedes usability, you can not use what you can not find" STM-TMR 2006 Amanda Spiteri, Marketing Director Elsevier

Discovery to Delivery: Solutions to Put Your Content Where the Users Are November 2-3, 2006 One window: Your Web page Getting noticed requires a store window Users must know the URL Content may be indexed by a search engine User must read their RSS feeds User might have brand affinity … but there are billions of web pages

Discovery to Delivery: Solutions to Put Your Content Where the Users Are November 2-3, 2006 There are lots of windows …among others

Discovery to Delivery: Solutions to Put Your Content Where the Users Are November 2-3, 2006 Metadata distribution via standardized methods is the bridge to these windows for your content StrengthComplexityTargeted use RSSWide adoption, great support, browser integrations, mass-user appeal. Simple to create and distribute. Just create an XML file and stick it on your web server Distribution of ‘newsy’ data most often for human consumption OpenURLAll inclusive specification, well positioned for advanced or diverse applications. Simple to complex syntax, only the more basic examples are human readable. Software implementation can be complex, lots of decision paths. Distribution of metadata or content of individual items, most likely implemented as part of a linking system. OAI-PMHRobust well thought out transaction model. Very extensible and adaptable. Wide spread adoption within the industry. Implementation is moderate to complex. Good frameworks (OCLC) available. Requires substantial resources (compute and human) for any non-trivial repository. Distribution of large volumes of metadata most likely to automated harvesters.

Discovery to Delivery: Solutions to Put Your Content Where the Users Are November 2-3, 2006 OpenURL is packaging  is a transport syntax (a box), a way to send OpenURL  Complexity stems from the number of ways you can accomplish the same task: send metadata to a service (a resolver) Context Object Meta Data OpenURL Context Object Meta Data OpenURL Meta Data OpenURL referent reference Context Object Meta Data OpenURL referent reference Meta Data OpenURL context reference Context Object referent reference OpenURL context reference Context Object Meta Data Meta Data  is an internal wrapper (box within a box)

Discovery to Delivery: Solutions to Put Your Content Where the Users Are November 2-3, &rft_id=info:doi/ / &noredirect=true OpenURL basic example

Discovery to Delivery: Solutions to Put Your Content Where the Users Are November 2-3, url_ver=Z &url_tim= &url_ctx_fmt=info:Aofi/fmt:Akev:Amtx:Actx &ctx_ver=Z &ctx_enc=info:Aofi/enc:AUTF-8 &ctx_id= &ctx_tim= T08:A55:A12Z &rft_val_fmt=info:Aofi/fmt:Akev:mtx:journal &rft.atitle=Isolation+of+a+common+receptor+for+coxsackie+B &rft.jtitle=Science &rft.aulast=Bergelson &rft.auinit=J &rft.date=1997 &rft.volume=275 &rft.spage=1320 &rft.epage=1323 &rfe_val_fmt=info:ofi/fmt:kev:mtx:journal &rfe.atitle=p27-p16+Chimera:+A+Superior+Antiproliferative &rfe.jtitle=Molecular+Therapy&rfe.aulast=McArthur &rfe.aufirst=James&rfe.date=2001 &rfe.volume=3 &rfe.issue=1 &rfe.spage=8 &rfe.epage=13 &req_ref_fmt= &req_ref= OpenURL: In-Line context object example

Discovery to Delivery: Solutions to Put Your Content Where the Users Are November 2-3,  NISO Z OpenURL is a very comprehensive framework!  CrossRef implemented the San Antonio Profile #1  The basic inline by value model might address a high percentage of actual needs  By consolidating metadata in one place (CrossRef), publishers have created an ideal circumstance for a single resolver to reach a large amount of content.  An OpenURL ‘solution’ is not embodied in a single place. It is a community of contributors using a common language. OpenURL is the Esperanto of linking.  No CrossRef account needed, available free to the public  Number of resolutions in 2006 => 608,756

Discovery to Delivery: Solutions to Put Your Content Where the Users Are November 2-3, 2006 OAI-PMH is a set of commands used to pull metadata from a compliant repository VerbUseExample Identify Ask a repository to tell you about itself. oai.crossref.org/OAIHandler?verb=Identify ListMetadata Formats Ask a repository which formats (XML schemas) data is available in. Compliant repositories support Dublin Core. oai.crossref.org/OAIHandler?verb=ListMetadata Formats ListSets Ask a repository to list the hierarchical structure it uses to organize itself oai.crossref.org/OAIHandler?verb=Identify ListIdentifiers Ask a repository to list the identifiers in the whole repository or a particular set oai.crossref.org/OAIHandler?verb=ListIdentifiers ListRecords Ask a repository to return the metadata for all records in the repository or those in a given set oai.crossref.org/OAIHandler?verb=ListRecords& SetSpec= :300:1999 GetRecord Ask the repository for the metadata of a given identifier. oai.crossref.org/OAIHandler?verb=GetRecord &metadataPrefix=cr_unixml &identifier=info:doi/ /jnr

Discovery to Delivery: Solutions to Put Your Content Where the Users Are November 2-3, 2006 OAI-PMH sample responses - Identify

Discovery to Delivery: Solutions to Put Your Content Where the Users Are November 2-3, 2006 OAI-PMH sample responses ListSets ListSets&resumptionToken= !698!205002

Discovery to Delivery: Solutions to Put Your Content Where the Users Are November 2-3, 2006 OAI-PMH sample response verb=GetRecord&metadataPrefix=cr_unixml&identifier=info:doi/ /jnr

Discovery to Delivery: Solutions to Put Your Content Where the Users Are November 2-3, 2006 OAI-PMH sample response verb=ListIdentifiers&metadataPrefix=cr_unixml&set= :297:2004

Discovery to Delivery: Solutions to Put Your Content Where the Users Are November 2-3, 2006 CrossRef’s OAI-PMH Mission  December 2005 CrossRef announced a Web Services initiative  Provide a central point for the distribution of metadata from 100s of publishers, for millions of identifiers  Utilize common/existing distribution protocols and technology  Targeted at consumers of mass quantities of metadata.  Active: MS Academic Live and Scirus (search engines)  Looking: EBSCO, Euopean Biomatics Institute, others…  Is not ‘open’ (e.g. it is not free), uses IP authentication for access control  Recipient identified by 2 IP address ranges  Content can be selectively mapped to a recipient (opt-in/opt-out) at the publisher or title level

Discovery to Delivery: Solutions to Put Your Content Where the Users Are November 2-3, 2006 RSS  CrossRef is not currently operating any RSS feeds (we have Blogs which are kinda sorta the same thing)  Members view RSS feeds as a way to reach out and touch end users and bring them to the member’s site  For end uses:  OpenURL is like plumbing (“Intel inside”), they really don’t care  OAI-PMH is a what?  RSS they’ve probably heard of (blogs) and may even know how to use  CrossRef members have recognized the need to establish guidelines on content composition by feed type. e.g. a TOC feed should be organized the same way from one publisher to the next in order to avoid end user confusion. (a NISO initiative?)

Discovery to Delivery: Solutions to Put Your Content Where the Users Are November 2-3, 2006

Discovery to Delivery: Solutions to Put Your Content Where the Users Are November 2-3, 2006 …Google uses the field in your feed to gather URLs from your site and uses the modified date field (the field for RSS feeds and the date for Atom feeds) to learn when each URL was last modified … Make sure that the feed is located in the highest-level directory you want search engines to crawl RSS syndication  Of course RSS is used for syndication as well Example: Syndication feedSyndication feed —Google accepts RSS (Real Simple Syndication) 2.0 and Atom 0.3 feeds. Generally, you would use this format only if your site already has a syndication feed. Note that this method may not let Google know about all the URLs in your site, since the feed may only provide information on recent URLs.

Discovery to Delivery: Solutions to Put Your Content Where the Users Are November 2-3, 2006 Conclusion  Bringing users to content requires metadata distribution  Be complete (article title, all authors, citations)  Be accurate (author=given-name + surname, not the entire byline)  Use a widely accepted (and expressive) format: NLM, DC, CrossRef  Position metadata for discovery  Aggregated distribution like CrossRef’s PMH service  Register as a PMH data provider (  Find syndication channels (syndication.iop.org, Feedzilla, MedicineNet)