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» A Query Language for XML
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ICDE
2005
IEEE
101views Database» more  ICDE 2005»
15 years 9 months ago
Optimization of Nested XQuery Expressions with Orderby Clauses
— XQuery, the defacto XML query language, is a functional language with operational semantics, which precludes the direct application of classical query optimization techniques. ...
Song Wang, Elke A. Rundensteiner, Murali Mani
117
Voted
CLEF
2010
Springer
15 years 4 months ago
Ambiguity of Queries and the Challenges for Query Language Detection
In this paper, a sample set of 510 simple searches from the TEL action log 2009 is analyzed for query content and query language. More than half of the queries are for named entiti...
Juliane Stiller, Maria Gäde, Vivien Petras
ICDE
2006
IEEE
185views Database» more  ICDE 2006»
15 years 10 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
DASFAA
2006
IEEE
92views Database» more  DASFAA 2006»
15 years 7 months ago
Document Decomposition for XML Compression: A Heuristic Approach
Sharing of common subtrees has been reported useful not only for XML compression but also for main-memory XML query processing. This method compresses subtrees only when they exhib...
Byron Choi
DEXAW
2007
IEEE
142views Database» more  DEXAW 2007»
15 years 6 months ago
Synopsis Data Structures for XML Databases: Models, Issues, and Research Perspectives
Due to the lack of efficient native XML database management systems, XML data manipulation and query evaluation may be resource-consuming, and represent a bottleneck for several ...
Angela Bonifati, Alfredo Cuzzocrea