An efficient XML query strategy using a prefix code
Dong Guo-qing · Journal of Shandong University · 2007
Now querying XML data storaged in relation database with path expression need to evaluate the result on some tables,that waste time and workload.Prefix code does not only keep the ancestor-descendant information,but also is a tool of the relation of arbitrary nodes.Using these characteristics,a query strategy for efficient querying XML data was proposed.