code: public ConceptLattice asConceptLattice(final Graph graph) {
          ConceptLattice lattice = new ConceptLattice(graph, attributes.size());
          
          Iterator it = this.asCrossTable().iterator();
          while(it.hasNext()) {
              CrossTable.Row row = (CrossTable.Row) it.next();
              lattice.insert(row.asConcept(attributes.size()));
          }
          
          return lattice;
      }
docs: Get the concept lattice for this context.
  @param graph backend
  @return concept lattice