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ICDE
2005
IEEE
83views Database» more  ICDE 2005»
16 years 8 months ago
Increasing the Accuracy and Coverage of SQL Progress Indicators
Recently, progress indicators have been proposed for long-running SQL queries in RDBMSs. Although the proposed techniques work well for a subset of SQL queries, they are prelimina...
Gang Luo, Jeffrey F. Naughton, Curt J. Ellmann, Mi...
ICDE
2003
IEEE
122views Database» more  ICDE 2003»
16 years 8 months ago
XML Publishing: Look at Siblings too!
In order to publish a nested XML document from flat relational data, multiple SQL queries are often needed. The efficiency of publishing relies on how fast these queries can be ev...
Sihem Amer-Yahia, Yannis Kotidis, Divesh Srivastav...
SIGMOD
2004
ACM
124views Database» more  SIGMOD 2004»
16 years 7 months ago
BLAS: An Efficient XPath Processing System
We present BLAS , a Bi-LAbeling based System, for efficiently processing complex XPath queries over XML data. BLAS uses Plabeling to process queries involving consecutive child ax...
Yi Chen, Susan B. Davidson, Yifeng Zheng
IDEAS
2006
IEEE
180views Database» more  IDEAS 2006»
16 years 27 days ago
SURCH: Distributed Aggregation over Wireless Sensor Networks
In this paper, we present SURCH, a novel decentralized algorithm for efficient processing of queries generated in sensor networks. Unlike existing techniques, SURCH is fully dist...
Xingbo Yu, Sharad Mehrotra, Nalini Venkatasubraman...
ADC
2004
Springer
147views Database» more  ADC 2004»
16 years 8 days ago
Clustering Moving Objects for Spatio-temporal Selectivity Estimation
Many spatio-temporal applications involve managing and querying moving objects. In such an environment, predictive spatio-temporal queries become an important query class to be pr...
Qing Zhang, Xuemin Lin