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ICDE
2008
IEEE
161views Database» more  ICDE 2008»
14 years 8 months ago
COLR-Tree: Communication-Efficient Spatio-Temporal Indexing for a Sensor Data Web Portal
Abstract-- We present COLR-Tree, an abstraction layer designed to support efficient spatio-temporal queries on live data gathered from a large collection of sensors. We use COLR-Tr...
Yanif Ahmad, Suman Nath
ICDE
2008
IEEE
150views Database» more  ICDE 2008»
14 years 8 months ago
Diagnosing Estimation Errors in Page Counts Using Execution Feedback
Errors in estimating page counts can lead to poor choice of access methods and in turn to poor quality plans. Although there is past work in using execution feedback for accurate c...
Surajit Chaudhuri, Vivek R. Narasayya, Ravishankar...
SIGMOD
2007
ACM
120views Database» more  SIGMOD 2007»
14 years 7 months ago
Xpath on steroids: exploiting relational engines for xpath performance
A lot of research has been conducted by the database community on methods and techniques for efficient XPath processing, with great success. Despite the progress made, significant...
Haris Georgiadis, Vasilis Vassalos
ICDE
2010
IEEE
224views Database» more  ICDE 2010»
14 years 7 months ago
Probabilistic Declarative Information Extraction
Abstract-Unstructured text represents a large fraction of the world's data. It often contain snippets of structured information within them (e.g., people's names and zip ...
Daisy Zhe Wang, Eirinaios Michelakis, Joseph M. He...
EDBT
2002
ACM
246views Database» more  EDBT 2002»
14 years 7 months ago
Impact and Potential of User Profiles Used for Distributed Query Processing Based on Literature Services
Applying meta search systems is a suitable method to support the user if there are many different services. Due to information splitting strategies of literature services existing ...
Bethina Schmitt