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- Xiaoming Liu, Johan Bollen, Michael L. Nelson, Herbert Van de Sompel
- Inf. Process. Manage.
- 2005
The field of digital libraries (DLs) coalesced in 1994: the first digital library conferences were held that year, awareness of the World Wide Web was accelerating, and the National Science… (More)
- Herbert Van de Sompel, Michael L. Nelson, Carl Lagoze, Simeon Warner
- D-Lib Magazine
- 2004
Motivated by preservation and resource discovery, we examine how digital resources, and not just metadata about resources, can be harvested using the Open Archives Initiative Protocol for Metadata… (More)
- Frank McCown, Michael L. Nelson
- JCDL
- 2007
Google, Yahoo and MSN all provide both web user interfaces (WUIs) and application programming interfaces (APIs) to their collections. Whether building collections of resources or studying the search… (More)
- Xiaoming Liu, Kurt Maly, Mohammad Zubair, Michael L. Nelson
- JCDL
- 2001
The usefulness of the many on-line journals and scientific digital lib raries that exist today is limited by the lack of a service that can federate them through a unified interface. The Open Archive… (More)
The Web is ephemeral. Many resources have representations that change over time, and many of those representations are lost forever. A lucky few manage to reappear as archived resources that carry… (More)
- Frank McCown, Sheffan Chan, Michael L. Nelson, Johan Bollen
- ArXiv
- 2005
We explore the availability and persistence of URLs cited in articles published in D-Lib Magazine. We extracted 4387 unique URLs referenced in 453 articles published from July 1995 to August 2004.… (More)
- Terry L. Harrison, Michael L. Nelson
- Hypertext
- 2006
We present Opal, a light-weight framework for interactively locating missing web pages (http status code 404). Opal is an example of "in vivo" preservation: harnessing the collective behavior of web… (More)
- Michael L. Nelson, Thomas E. McMahon, Russell F. Thurow
- Environmental Biology of Fishes
- 2004
Large-bodied, migratory life history forms of bull charr, Salvelinus confluentus, were historically abundant in northwestern North America, but many remaining populations of this now-threatened… (More)
Aggregations of Web resources are increasingly important in scholarship as it adopts new methods that are data-centric, collaborative, and networked-based. The same notion of aggregations of… (More)