html5-img
1 / 17

OAIster != Google

OAIster != Google. Kat Hagedorn University of Michigan Libraries October 26, 2007. Outline. Buzzwords Brief history/overview of OAI Why OAIster was created OAIster: digital union catalog Integration Is Google next-gen?. Buzzwords. Next-gen, um, anything Lib2.0/Web2.0

chloe
Télécharger la présentation

OAIster != Google

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. OAIster != Google Kat Hagedorn University of Michigan Libraries October 26, 2007

  2. Outline • Buzzwords • Brief history/overview of OAI • Why OAIster was created • OAIster: digital union catalog • Integration • Is Google next-gen?

  3. Buzzwords • Next-gen, um, anything • Lib2.0/Web2.0 • Z39.50/SRU, OAI, RSS… • Bottom line: user accesses material where they typically find things

  4. Expectations • OAI was developed to make it easier (not exhaustive) to create a place “where they typically find things” • And to find things they typically can’t find elsewhere • OAIster was designed to be the place

  5. What is OAI? • OAI stands for Open Archives Initiative “…develops and promotes interoperability standards that aim to facilitate the efficient dissemination of content.” • Probably should have been called SAI: Shared Archives Initiative • Includes a Protocol for Metadata Harvesting (PMH), i.e., what we use to fill OAIster • Consists of data providers and service providers

  6. Metadata records • Data providers use protocol to share their metadata records • Service providers harvest the metadata so they can provide a service using them • Metadata needs to be • XML1.1 compliant • UTF-8 enabled • Sufficient for discovery

  7. OAI: what it is not • OAI ≠ open access • “…defining and promoting machine interfaces that facilitate the availability of content from a variety of providers. Openness does not mean ‘free’ or ‘unlimited’ access to the information repositories that conform to the OAI-PMH.” • However, a large majority of OAIster records are available to all and sundry • Perfect opportunity-- freely sharing free stuff

  8. Why OAIster? • Initially, wanted to build the Academic HotBot (now we would say the Academic Google) • Essentially, a union catalog of digital objects that are not easily roboted or spidered • Currently, have more records that link to “objects” than there are records in our OPAC: 13+ million

  9. What does OAIster contain? • Pre-prints, post-prints, published articles, grey literature, scanned images, archival videos… • Harvest everything available • except obvious test repositories • Keep nearly everything • must have a valid digital object link • must have decent metadata • must be scholarly or informational

  10. http://memory.loc.gov/mbrs/varsmp/0526.mpg Library of Congress Digitized Historical Collections http://name.umdl.umich.edu/ADM0370.0002.001 University of Michigan Digital Collections

  11. Why do (should) people use it? • It’s big-- will pass 14 million shortly • It’s varied-- besides articles, photos, and videos, it contains datasets, audio files, finding aids, manuscripts… • It keepsgrowing-- as long as they keep paying my salary

  12. Integration: to date • SRU Level 0 • keyword access in federated search engines • connector for ExLibris MetaLib • anything else that uses SRU • Yahoo and Google • included in search indexes… • …poorly currently, without use of metadata • OpenURL, currently a hack

  13. Integration: future • RSS • subject or specific search link from results page • alerts on new repositories • Sakaibrary / Blackboard • Facebook • searching app…but useful? • Zotero (Refworks / Endnote) • APIs to…?

  14. What purpose, integration? • Google as example… • Can’t get at everything, until it starts using OAI itself • Gray literature and other scholarly materials in index • Push metadata so ranks high in index

  15. Google != OAIster • Does it matter if Google is next-gen? • It’s more like only-gen • Should we all either • conform to Google look-and-feel? • or insinuate ourselves everywhere? • even though integration is a catch-up game

  16. Questions? • Kat Hagedorn • University of Michigan Libraries • Digital Library Production Service • www.oaister.org • khage@umich.edu

More Related