26. The method of claim 25 , further comprising: using the sub-pattern, performing pattern recognition on the multiple location identifiers; detecting a subset of the matching location identifiers having a same pattern as the sub-pattern; and identifying a subset of the type-determined web pages having the subset of the matching location identifiers; wherein, each of the subset of the type-determined web pages includes content associated with the attribute of the semantic type.
25. The method of claim 1 , further comprising: extracting a sub-pattern from the location identifier of the webpage; wherein, the sub-pattern corresponds to an attribute of the semantic type of the content.