An open source data version repository model based on true INSERT only logic. Contains high performance support for data versioning and history. Enables point-in-time query and CDC sourcing including mapping each change to a transaction.
Peruser is a open-source lightweight knowledge application framework. Peruser speaks XML and RDF and is implemented in Java. Peruser code runs within Cocoon, as a standalone webapp, as console programs invoked through ant, or as embeddable java code.