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» The Complexity of Query Reliability
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ADC
2008
Springer
146views Database» more  ADC 2008»
15 years 9 months ago
A Typed Higher-Order Calculus for Querying XML Databases
As the eXtensible Markup Language (XML) is about to emerge as a new standard for databases, the problem of providing solid logical grounds for XML query languages arises. For the ...
Qing Wang, Klaus-Dieter Schewe
DAMON
2007
Springer
15 years 8 months ago
A general framework for improving query processing performance on multi-level memory hierarchies
We propose a general framework for improving the query processing performance on multi-level memory hierarchies. Our motivation is that (1) the memory hierarchy is an important pe...
Bingsheng He, Yinan Li, Qiong Luo, Dongqing Yang
EUROCAST
2005
Springer
102views Hardware» more  EUROCAST 2005»
15 years 8 months ago
Similarity Queries in Data Bases Using Metric Distances - from Modeling Semantics to Its Maintenance
Similarity queries in traditional databases work directly on attribute values. But, often similar attribute values do not indicate similar meanings. Semantic background information...
Josef Küng, Roland Wagner
IWDC
2004
Springer
139views Communications» more  IWDC 2004»
15 years 8 months ago
Statistical Analysis of a P2P Query Graph Based on Degrees and Their Time-Evolution
Abstract. Despite their crucial impact on the performances of p2p systems, very few is known on peers behaviors in such networks. We propose here a study of these behaviors in a ru...
Jean-Loup Guillaume, Matthieu Latapy, Stevens Le-B...
120
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DBPL
2003
Springer
130views Database» more  DBPL 2003»
15 years 7 months ago
Attribute Grammars for Scalable Query Processing on XML Streams
We introduce the new notion of XML Stream Attribute Grammars (XSAGs). XSAGs are the first scalable query language for XML streams (running strictly in linear time with bounded mem...
Christoph Koch, Stefanie Scherzinger