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» Complex Group-By Queries for XML
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PODS
2004
ACM
137views Database» more  PODS 2004»
14 years 8 months ago
On the Memory Requirements of XPath Evaluation over XML Streams
The important challenge of evaluating XPath queries over XML streams has sparked much interest in the past few years. A number of algorithms have been proposed, supporting wider f...
Ziv Bar-Yossef, Marcus Fontoura, Vanja Josifovski
SAC
2009
ACM
14 years 3 months ago
Building an efficient preference XML query processor
Today user-centered information acquisition over collections of complex XML documents is increasingly in demand. To this end, preferences have become an important paradigm enablin...
SungRan Cho, Wolf-Tilo Balke
ICOODB
2010
117views Database» more  ICOODB 2010»
13 years 7 months ago
iBLOB: Complex Object Management in Databases through Intelligent Binary Large Objects
Abstract. New emerging applications including genomic, multimedia, and geospatial technologies have necessitated the handling of complex application objects that are highly structu...
Tao Chen, Arif Khan, Markus Schneider, Ganesh Visw...
CIKM
2008
Springer
13 years 10 months ago
A heuristic approach for checking containment of generalized tree-pattern queries
Query processing techniques for XML data have focused mainly on tree-pattern queries (TPQs). However, the need for querying XML data sources whose structure is very complex or not...
Pawel Placek, Dimitri Theodoratos, Stefanos Soulda...
ICDE
2006
IEEE
185views Database» more  ICDE 2006»
14 years 2 months ago
Don't be a Pessimist: Use Snapshot based Concurrency Control for XML
Currently, only few XML data management systems support concurrent access to an XML document, and if they do, they typically apply variations of hierarchical locking to handle XML...
Zeeshan Sardar, Bettina Kemme