The Digital Public Library of America (DPLA) is happy to announce the
release of Krikri <https://github.com/dpla/KriKri> version 0.1.3, a Ruby on
Rails engine for metadata aggregation, enhancement, and quality control.
DPLA uses Krikri as part of Heiðrún
<https://digitalpubliclibraryofamerica.atlassian.net/wiki/display/TECH/Heidrun>,
its new metadata ingestion system.

Krikri 0.1.3 includes the following features:


   -

   Harvesting metadata from OAI-PMH providers, and support for building
   other harvesters
   -

   Creating RDF metadata models, with specific support for the DPLA
   Metadata Application Profile
   -

   Parsing metadata and mapping to RDF graphs using a Domain Specific
   Language
   -

   Persistence for graphs and objects using the Linked Data Platform
   specification
   -

   Enrichments for mapped metadata, including date parsing and
   normalization, stripping and splitting on punctuation, and more
   -

   Queuing and association of jobs to metadata using provenance information
   -

   A basic quality assurance interface, including record browse and search,
   a record-graph comparison view, and reports on conformance to your metadata
   application profile


Krikri and Heiðrún are open source software, released under the MIT License
<http://opensource.org/licenses/MIT>. Krikri and Heiðrún are built on top
of other open source components, including Apache Marmotta
<http://marmotta.apache.org/>, Apache Solr <http://lucene.apache.org/solr/>,
ActiveTriples <https://github.com/ActiveTriples/ActiveTriples>, Blacklight
<https://github.com/projectblacklight/blacklight>, and Resque
<https://github.com/resque/resque>.

More information about Krikri and Heiðrún can be found at the following
links:


   -

   Krikri on Github: https://github.com/dpla/KriKri
   -

   Heiðrún overview page:
   https://digitalpubliclibraryofamerica.atlassian.net/wiki/display/TECH/Heidrun
   -

   Krikri API documentation:
   http://www.rubydoc.info/github/dpla/KriKri/master
   -

   DPLA’s Code4lib 2015 presentation on Heidrun:
   http://code4lib.org/conference/2015/altman


Mark A. Matienzo <[log in to unmask]>
Director of Technology
Digital Public Library of America | <http://dp.la>