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» Query Answering in Inconsistent Databases
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WSNA
2003
ACM
15 years 7 months ago
Cleaning and querying noisy sensors
Sensor networks have become an important source of data with numerous applications in monitoring various real-life phenomena as well as industrial applications and traffic contro...
Eiman Elnahrawy, Badri Nath
224
Voted
ICDE
2009
IEEE
158views Database» more  ICDE 2009»
16 years 4 months ago
KSpot: Effectively Monitoring the K Most Important Events in a Wireless Sensor Network
This demo presents a graphical user interface and ranking system, coined KSpot, for effectively monitoring the K highest-ranked answers to a query Q in a Wireless Sensor Network. K...
Panayiotis Andreou, Demetrios Zeinalipour-Yazti, M...
ICDE
2008
IEEE
166views Database» more  ICDE 2008»
16 years 3 months ago
A Clustered Index Approach to Distributed XPath Processing
Supporting top-k queries over distributed collections of schemaless XML data poses two challenges. While XML supports expressive query languages such as XPath and XQuery, these la...
Georgia Koloniari, Evaggelia Pitoura
99
Voted
CIKM
2009
Springer
15 years 9 months ago
ASIC: algebra-based structural index comparison
Structural indices play a significant role in improving the efficiency of XML query evaluation. Being able to compare various structural indexing techniques is critical for a DBM...
Yuqing Wu, Sofia Brenes, Tejas Totade, Shijin Josh...
DEXA
2005
Springer
117views Database» more  DEXA 2005»
15 years 8 months ago
Efficient Processing of Ordered XML Twig Pattern
Finding all the occurrences of a twig pattern in an XML database is a core operation for efficient evaluation of XML queries. Holistic twig join algorithm has showed its superiorit...
Jiaheng Lu, Tok Wang Ling, Tian Yu, Changqing Li, ...