机译:利用XPath查询/视图可回答性的有效语义缓存
Department;
of;
Computer;
Science;
and;
Technology,;
Tsinghua;
National;
Laboratory;
for;
Information;
Science;
and;
Technology;
Tsinghua;
University,;
Beijing;
100084,;
China;
XML查询处理; XPath; 语义缓存; 视图选择; 开发利用; 数据库; 复杂性; 表达式;