else {
return new LiteralImpl(Integer.toString(bindingSets.size()), XMLSchema.INTEGER);
}
}
else if (operator instanceof Min) {
Min minOp = (Min)operator;
Set<Value> values = makeValueSet(strategy, minOp.getArg(), bindingSets);
// FIXME: handle case where 'values' is empty
double min = Double.POSITIVE_INFINITY;
for (Value v : values) {
if (v instanceof Literal) {