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» Comparing XML path expressions
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WWW
2008
ACM
13 years 7 months ago
Divide, Compress and Conquer: Querying XML via Partitioned Path-Based Compressed Data Blocks
We propose a novel Partition Path-Based (PPB) grouping strategy to store compressed XML data in a stream of blocks. In addition, we employ a minimal indexing scheme called Block S...
Wilfred Ng, Ho Lam Lau, Aoying Zhou
COMAD
2008
13 years 9 months ago
Efficient Evaluation of Forward XPath Axes over XML Streams
Although many algorithms have been proposed for evaluating XPath queries containing un-ordered axes (child, descendant, parent and ancestor) against streaming XML data, there are ...
Abdul Nizar, P. Sreenivasa Kumar
XSYM
2005
Springer
84views Database» more  XSYM 2005»
14 years 28 days ago
Patterns and Types for Querying XML Documents
Among various proposals for primitives for deconstructing XML data two approaches seem to clearly stem from practise: path expressions, widely adopted by the database community, an...
Giuseppe Castagna
ICDE
2008
IEEE
193views Database» more  ICDE 2008»
14 years 8 months ago
DescribeX: Interacting with AxPRE Summaries
DescribeX is a visual, interactive tool for exploring the underlying structure of an XML collection. DescribeX implements a framework for creating XML summaries described using axi...
Mir Sadek Ali, Mariano P. Consens, Shahan Khatchad...
XSYM
2005
Springer
154views Database» more  XSYM 2005»
14 years 28 days ago
An Extended Preorder Index for Optimising XPath Expressions
Many of the problems with native XML databases relate to query performance and subsequently, it can be difficult to convince traditional database users of the benefits of using se...
Martin F. O'Connor, Zohra Bellahsene, Mark Roantre...