public String getMetricAdvice(int sessionId) {
String metric = "";
logger.info("" + sessionId);
LimesUser lu = UserManager.getInstance().getUser(sessionId);
System.out.println(lu);
KBInfo sourceInfo = createKBInfo(lu.getSourceMap());
KBInfo targetInfo = createKBInfo(lu.getTargetMap());
if (sourceInfo.prefixes == null) sourceInfo.prefixes = new HashMap<String, String>();
if (targetInfo.prefixes == null) targetInfo.prefixes = new HashMap<String, String>();
// sourceInfo.prefixes.put("rdf", PrefixHelper.getURI("rdf"));
// sourceInfo.prefixes.put("dbp", PrefixHelper.getURI("dbp"));
// sourceInfo.prefixes.put("rdfs", PrefixHelper.getURI("rdfs"));
// targetInfo.prefixes.put("rdf", PrefixHelper.getURI("rdf"));
// targetInfo.prefixes.put("dbp", PrefixHelper.getURI("dbp"));
// targetInfo.prefixes.put("rdfs", PrefixHelper.getURI("rdfs"));
logger.info("getMetricAdvice(): Getting caches...");
HybridCache sC = HybridCache.getData(sourceInfo);
HybridCache tC = HybridCache.getData(targetInfo);
logger.info("getMetricAdvice(): Start SelfConfig...");
MeshBasedSelfConfigurator mbsc = new MeshBasedSelfConfigurator(sC, tC, 0.6, 0.5);
List<SimpleClassifier> classifierList = mbsc.getBestInitialClassifiers();
if (classifierList.size() > 0) {
classifierList = mbsc.learnClassifer(classifierList);
}
ComplexClassifier compC = mbsc.getZoomedHillTop(5, 5, classifierList);
metric = this.generateMetric(compC.classifiers, "", sourceInfo, targetInfo);
lu.setNoUsageTime(0);
logger.info("getMetricAdvice(): metric=\n" + metric);
return metric;
}
private KBInfo createKBInfo(HashMap<String, Object> param) {
KBInfo info = new KBInfo();
info.endpoint = (String) param.get("endpoint");
info.graph = (String) param.get("graph");
info.var = (String) param.get("var");
System.out.println(info.endpoint);
info.restrictions = new ArrayList<String>();
if (param.containsKey("class")) {
String classRestrString =
info.var + " rdf:type " + SPARQLHelper.wrapIfNecessary((String) param.get("class"));
info.restrictions.add(classRestrString);
}
info.prefixes = (HashMap<String, String>) param.get("prefixes");
System.out.println("PREFIXES: " + info.prefixes);
info.functions = (HashMap<String, String>) param.get("properties");
for (String prop : info.functions.keySet()) {
info.properties.add(prop);
}
info.type = "SPARQL";
info.id = (String) param.get("id");
return info;
}