16. The non-transitory computer-readable storage medium of claim 13 , wherein determining said static analysis measure value is based on a document quality measure value for each of said one or more XML documents in said collection of XML documents, wherein said document quality measure value indicates a usefulness of said each of said one or more XML documents to a community of users.
16. The non-transitory computer-readable storage medium of claim 13 , wherein determining said static analysis measure value is based on a document quality measure value for each of said one or more XML documents in said collection of XML documents, wherein said document quality measure value indicates a usefulness of said each of said one or more XML documents to a community of users. 20. The non-transitory computer-readable storage medium of claim 16 , wherein said ranking measure for said candidate XML tag is determined by adding together respective document static analysis measure values for said each of said one or more XML documents of said collection of XML documents, wherein a particular document static analysis measure value for a particular XML document of said one or more XML documents is determined based on a particular document quality measure value and a particular document frequency measure value of said particular XML document.