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ICDE
2008
IEEE
139views Database» more  ICDE 2008»
14 years 10 months ago
Simultaneous Equation Systems for Query Processing on Continuous-Time Data Streams
We introduce Pulse, a framework for processing continuous queries over models of continuous-time data, which can compactly and accurately represent many real-world activities and p...
Jennie Rogers, Olga Papaemmanouil, Ugur Çet...
GIS
2005
ACM
14 years 10 months ago
Dimension-refined topological predicates
Topological predicates, as derived from the 9-intersection model, have been widely recognized in GIS, spatial database systems, and many other geo-related disciplines. They are ba...
Mark McKenney, Alejandro Pauly, Reasey Praing, Mar...
ICSE
2008
IEEE-ACM
14 years 9 months ago
Systematically refactoring inheritance to delegation in java
Because of the strong coupling of classes and the proliferation of unneeded class members induced by inheritance, the suggestion to use composition and delegation instead has beco...
Hannes Kegel, Friedrich Steimann
POPL
2007
ACM
14 years 9 months ago
Scrap your boilerplate with XPath-like combinators
XML programming involves idioms for expressing `structure shyness' such as the descendant axis of XPath or the default templates of XSLT. We initiate a discussion of the rela...
Ralf Lämmel
SIGMOD
2003
ACM
118views Database» more  SIGMOD 2003»
14 years 9 months ago
Improving the Efficiency of Database-System Teaching
The education industry has a very poor record of productivity gains. In this brief article, I outline some of the ways the teaching of a college course in database systems could b...
Jeffrey D. Ullman