Blending open source and the cloud to build a discipline-specific repository
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This presentation describes the blend of two tools – an open source digital content platform and low-cost, cloud-based infrastructure services – that are used to create an online, discipline-specific repository, the Naval Reactors History Database ( <a href="http://navalreactorshistorydb.info/">http://navalreactorshistorydb.info/</a> ). <p/><p/> The key software tool used to support this online database is the California Digital Library’s eXtensible Text Framework (XTF) open source platform. XTF supports enhanced search features like faceted browsing, spelling correction, similar items searching, and the output of search results to RSS. It has a Java-based framework, but significant customizations to XTF’s search and display are possible through XSLT programming. <p/><p/> The hardware infrastructure for the Naval Reactors History Database is based on Amazon Web Services Elastic Compute Cloud (EC2) service. The costs of hosting this online database will be described and analyzed in-depth – one goal of this effort is to build and deploy a robust, online discipline-specific database at the lowest possible cost.