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» Approximate XML joins
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ICDE
2006
IEEE
148views Database» more  ICDE 2006»
13 years 11 months ago
Estimating XML Structural Join Size Quickly and Economically
XML structural joins, which evaluate the containment (ancestor-descendant) relationships between XML elements, are important operations of XML query processing. Estimating structu...
Cheng Luo, Zhewei Jiang, Wen-Chi Hou, Feng Yan, Ch...
SKG
2006
IEEE
13 years 11 months ago
Functional Dependency Maintenance and Lossless Join Decomposition in XML Model Decomposition
The paper studies “equality” in XML model decomposition. XML IFD, TFD, AFD and MVD are proposed. According to complexity of these FDs, four XML normal forms are presented. FD ...
Xia Li, Fei-yue Ye, Hong-juan Yuan, Wen-tao Peng
DASFAA
2006
IEEE
156views Database» more  DASFAA 2006»
13 years 11 months ago
TwigStackList-: A Holistic Twig Join Algorithm for Twig Query with Not-Predicates on XML Data
As business and enterprises generate and exchange XML data more often, there is an increasing need for searching and querying XML data. A lot of researches have been done to match ...
Tian Yu, Tok Wang Ling, Jiaheng Lu
SIGMOD
2003
ACM
145views Database» more  SIGMOD 2003»
14 years 5 months ago
Containment Join Size Estimation: Models and Methods
Recent years witnessed an increasing interest in researches in XML, partly due to the fact that XML has now become the de facto standard for data interchange over the internet. A ...
Wei Wang 0011, Haifeng Jiang, Hongjun Lu, Jeffrey ...
DATESO
2008
131views Database» more  DATESO 2008»
13 years 6 months ago
Towards Cost-based Optimizations of Twig Content-based Queries
Abstract In recent years, many approaches to indexing XML data have appeared. These approaches attempt to process XML queries efficiently and sufficient query plans are built for t...
Michal Krátký, Radim Baca