12 search results - page 2 / 3 » Evaluating XML-extended OLAP queries based on a physical alg... |
SIGMOD
2004
ACM
14 years 5 months ago
2004
ACM
XML is widely praised for its flexibility in allowing repeated and missing sub-elements. However, this flexibility makes it challenging to develop a bulk algebra, which typically ...
SIGMOD
2009
ACM
14 years 5 months ago
2009
ACM
We present a complete XPath cost-based optimization and execution framework and demonstrate its effectiveness and efficiency for a variety of queries and datasets. The framework i...
EDBT
2012
ACM
11 years 7 months ago
2012
ACM
We present an effective optimization framework for general SQLlike map-reduce queries, which is based on a novel query algebra and uses a small number of higher-order physical ope...
ICDE
2005
IEEE
14 years 6 months ago
2005
IEEE
We present the first complete translation of XPath into an algebra, paving the way for a comprehensive, state-of-theart XPath (and later on, XQuery) compiler based on algebraic op...
SIGMOD
2002
ACM
14 years 5 months ago
2002
ACM
We present a continuously adaptive, continuous query (CACQ) implementation based on the eddy query processing framework. We show that our design provides significant performance b...