true Solr Demo This is a demonstration collection for the Greenstone3 digital library software. It contains a small subset (11 books) from the Humanity Development Library. It is similar to the Lucene demo collection, using JDBM for the database but uses Solr instead for indexing. Solr offers faceted browsing of search results. Demonstration collection using Solr as the indexer and JDBM as the metadata database. chapter book all fields text titles subjects organisations rank organisations build order organisations Untitled Untitled Solr demo collection A demo collection for Greenstone3, using Solr and JDBM.