期刊名称：Bulletin of the Technical Committee on Data Engineering
出版年度：2010
卷号：33
期号：01
出版社：IEEE Computer Society
摘要：The integration of DB and IR provides flexible ways for users to query information in the same platform [6, 2, 3,
7, 5, 28]. On one hand, the sophisticated DB facilities provided by RDBMSs assist users to query well-structured
information using SQL. On the other hand, IR techniques allow users to search unstructured information using
keywords based on scoring and ranking, and do not need users to understand any database schemas.
