*Developers:* AntonGuentsch, JinlingLi, MarkusDoering *Availability/Location:* Available from the BioCASE developer site http://www.biocase.org/dev/unitloader *Language:* Java *Documentation:* http://www.biocase.org/dev/unitloader *Description:* The UnitLoader classes are used to create BioCASE queries ("search", "capablities", and "scan") through a Java API and to start a set of threads to query BioCASE datasources for given urls and collect the xml responses returned. This class hides the BioCASE unit level access protocol defined with the schema given hat http://www.bgbm.org/biodivinf/Schema/protocol_1_3.xsd