20. The device of claim 18 , wherein the scope pattern defines how closely the subject, the object and annotations must be found together in the hierarchically structured document that uses tags that contain elements.
20. The device of claim 18 , wherein the scope pattern defines how closely the subject, the object and annotations must be found together in the hierarchically structured document that uses tags that contain elements. 21. The device of claim 20 , wherein the scope pattern references multiple levels of nested tags in the hierarchically structured document.