Digital Discovery System Web Service (DDSWS) http://www.dlese.org/dds/services/ddsws1-1 1.1 1334673097135 support@dlese.org gzip 1000 The Digital Discovery System Web Service (DDSWS) is a Lucene based search and retrieval service API for items that reside in a digital repository. The service may be used to search over and retrieve items from it's repository in real-time, and is designed to be used by high-availability applications.