I'm a computer scientist by training, and a digital library architect by profession. This site contains writings and presentations that I or others have found useful to refer to at one time or another. Full text articles written during my time at Penn have also been deposited in ScholarlyCommons@Penn.
Copyright
Open records, open possibilities, ALA Midwinter Meeting (2009)
Slides and prepared remarks for an ALA panel discussion on sharing bibliographic records and OCLC's...
Copyright and Provenance: Some Practical Problems, Scholarship at Penn Libraries (2007)
Copyright clearance is an increasingly complex and expensive impediment to the digitization and reuse of...
The Next Mother Lode for Large-scale Digitization? Historic Serials, Copyrights, and Shared Knowledge, Digital Library Federation Spring Forum (2006)
Much of the publicity around recent mass-digitization projects focuses on the millions of books they...
Information discovery
Open discovery of library resources: The Digital Library Federation's ILS-Discovery interface recommendations, Library Systems and Interoperability: Breaking Down Silos (NISO webinar) (2009)
A NISO webinar presentation on the ILS-DI work, its design, its implementation, and its future....
Open records, open possibilities, ALA Midwinter Meeting (2009)
Slides and prepared remarks for an ALA panel discussion on sharing bibliographic records and OCLC's...
Opening the ILS for Discovery: The Digital Library Federation’s ILS-Discovery Interface recommendations, ALA Midwinter Meeting (2009)
Slides for my ALA talk, giving an overview of the DLF's ILD-discovery interface recommendations, and...
Promoting discovery and use of repository content: An architectural perspective, Partnerships in Innovation II: From Vision to Reality and Beyond (2008)
Slides and notes for a talk I gave at a NARA/UMD conference. (The notes include...
High Quality Discovery in a Web 2.0 World: Architectures for Next Generation Catalogs, PALINET Symposium "The Future of Cataloging" (2008)
Issues of information and systems architecture underly many of the current debates over the future...
Preservation
Watching Our Backs: Community Verification of Digital Preservation Systems, Digital Library Federation Fall Forum (2008)
Librarians and faculty agree that information preservation is one of the essential roles of libraries....
Promoting discovery and use of repository content: An architectural perspective, Partnerships in Innovation II: From Vision to Reality and Beyond (2008)
Slides and notes for a talk I gave at a NARA/UMD conference. (The notes include...
Archiving and Preserving PDF Files, Scholarship at Penn Libraries (2001)
Since its release in mid 1993, Adobe Portable Document Format (PDF) has become a widely...
Systems architecture
Architectural Mismatch: Why Reuse is Still So Hard (with David Garlan and Robert Allen), Scholarship at Penn Libraries (2009)
In this article, David Garlan, Robert Allen, and John Ockerbloom reflect on the state of...
Open discovery of library resources: The Digital Library Federation's ILS-Discovery interface recommendations, Library Systems and Interoperability: Breaking Down Silos (NISO webinar) (2009)
A NISO webinar presentation on the ILS-DI work, its design, its implementation, and its future....
Opening the ILS for Discovery: The Digital Library Federation’s ILS-Discovery Interface recommendations, ALA Midwinter Meeting (2009)
Slides for my ALA talk, giving an overview of the DLF's ILD-discovery interface recommendations, and...
Promoting discovery and use of repository content: An architectural perspective, Partnerships in Innovation II: From Vision to Reality and Beyond (2008)
Slides and notes for a talk I gave at a NARA/UMD conference. (The notes include...
High Quality Discovery in a Web 2.0 World: Architectures for Next Generation Catalogs, PALINET Symposium "The Future of Cataloging" (2008)
Issues of information and systems architecture underly many of the current debates over the future...