SearchSession search_service = (SearchSession) app_context.getBean("SearchSession",SearchSession.class);
Vector collection_ids = new Vector();
collection_ids.add("LC/BOOKS");
QueryModel qm = new PrefixString("@attrset bib-1 @attr 1=4 Science");
System.err.println("Processing search......");
TransformingIRResultSet result_set=
search_service.search(new org.jzkit.search.landscape.SimpleLandscapeSpecification(collection_ids),qm,request_spec);