An XML range query may impose predicates on the numerical or textual contents of the elements and/or their respective path structures. In order to handle content and structure ran...
Hua-Gang Li, S. Alireza Aghili, Divyakant Agrawal,...
Debugging a database engine is an arduous task due to the complexity of the query workloads and systems. The first step in isolating a bug involves identifying a sequence of step...
Current search engines cannot effectively rank those relational data, which exists on dynamic websites supported by online databases. In this study, to rank such structured data, ...
Data stream management systems usually have to process many long-running queries that are active at the same time. Multiple queries can be evaluated more efficiently together tha...
Mingsheng Hong, Mirek Riedewald, Christoph Koch, J...
Data warehousing and on-line analytical processing (OLAP) are essential for decision support applications. Common OLAP operations include for example drill down, roll up, pivot an...