Migration of

The PURL Open Source Software community site at has been migrated from Zepheira’s servers to Google Code.  Accordingly, the mailing lists hosted at are also migrating to a Google Group.

The DNS domain will redirect to the Google Code site.  The new Google Group that replaces the mailing lists is: Please subscribe!

Thanks for your patience and support as we transition the community infrastructure.  We look forward to continuing to serve you and the PURL community.

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Library of Congress holds Digital Preservation Partners Meeting

The Library of Congress will hold the annual Digital Preservation Partners Meeting July 20 – 22, 2010 in Arlington, VA. Themes include “Collaboratives”, “Information Environment” and “Expanding the Archive”. A half day workshop will be held on Recollection, a project with the U.S. Library of Congress and the National Digital Information Infrastructure Partner Program (NDIIPP) designed to enhance discoverable access for NDIIPP collections, making them easier to find, access, and share, and especially to integrate with other digital information sources. Zepheira has worked in partnership with the Library since 2009 to design and build the Recollection platform.

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RDF Next Step Workshop 2010

Zepheira will be presenting two papers at the W3C RDF Next Step Workshop on the future of RDF on June 26-27, 2010. The goal of the workshop is to gather feedback from the Semantic Web community on whether and in which direction RDF should evolve.

Zepheira will present a new RESTful RDF Store API supporting named queries and change isolation. Zepheira will also propose alternative handling of rdf:List in SPARQL. For more information on the workshop and to review the papers look here.

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Callimachus Launch

Callimachus is a Semantic Web framework for easily building hyperlinked Web applications. Callimachus allows Web authors to quickly and easily create Semantically-enabled Web applications with a minimal knowledge of Semantic Web principles or experience building other Web applications. Callimachus uses RDFa as both a query language and display template to make it quick and easy to create your own metadata management tools.

For more information about Callimachus visit the project page at

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Eric Miller to give Vision Session on Linked Data and Libraries at NASIG 25th annual conference

The North American Serials Interest Group (NASIG) 25th Annual Conference will be held on June 3-6, 2010 in Palm Springs, California. The NASIG Vision Sessions are designed to speak to some of the important issues facing the serials community: how can we leverage the data we have? What changes are facing publishing? And what are the systems libraries need to manage serials in this environment? Eric Miller from Zepheira will be providing the Vision Session on Linked Data and Libraries with the goal of addressing these concerns. The following abstract provides an overview of this presentation.

Continue reading

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Zepheira presents on Linked Data at Semantic Technology Conference 2010

SemTech 2010 is the premier semantic technologies event held in San Francisco CA June 21-25, 2010.SemTech 2010 is where the industry comes together for four days of tutorials, workshops and talks on the future of the Web. Sessions at SemTech 2010 will explain Linked Data (and Linked open Data) technologies, and how you can start to use them yourself. Please join Zepheira where David Wood and Bernadette Hyland will be leading a half day tutorial on Linked Enterprise Data on Tuesday, June 22, 2010. Continue reading

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Zepheira to Upgrade and Host US GPO PURLs

The U.S. Government Printing Office (GPO) has announced the development and hosting of new Persistent URL (PURL) architecture by Zepheira. GPO’s PURL service provides persistent Web addresses for critical government documents and is primarily used by the more than 1,200 Federal Depository Libraries. GPO PURLs are open to members of the public. Continue reading

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March 2010 Akara project package releases

Building on activity undertaken during the recent Akara project sprint, developers pushed an update to the two main packages which the project comprises, in particular:

Amara XML and data toolkit 2.0a4

Akara 2.0a1, a framework for RESTful data services

These releases focus on quality and performance.

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Akara Summit March, 2010

Akara 2.0 is an open-source (Apache2 license) Web framework specialized for RESTful data services, especially involving XML and other semi-structured formats. Akara is a tool for data architects and developers who express data models and create transforms based on these data models, plugging required inputs and outputs (XML, JSON, CSV, Atom, etc.) together into pipelines which implement the desired services. These services are made available on the Web using simple wrappers based on REST concepts, among other things making it easy to discover and reuse the services, and to connect them to local and remote systems using Web triggers (AKA Web hooks). Continue reading

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Zepheira at Museums on the Web 2010

Museums and the Web is an annual conference exploring the social, cultural, design, technological, economic, and organizational issues of culture, science and heritage on-line. Taking an international perspective, Museums and the Web reviews and analyzes the issues and impacts of networked cultural, natural and scientific heritage. Eric Miller from Zepheira will be attending this meeting and participating in the invitational only Wikimedia@MW2010 workshop. This workshop is designed to bring together leaders in the museum industry, Wikimedia Commons effort and Web community to examine for greater synergy between the museum sector and Wikimedia efforts. Specifically this workshop will address rules, guidelines and examples that can be clarified to order to promote active engagement between the two communities. Continue reading

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