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DASFAA
2004
IEEE
87views Database» more  DASFAA 2004»
15 years 7 months ago
UB-Tree Based Efficient Predicate Index with Dimension Transform for Pub/Sub System
For event filtering of publish/subscribe system, significant research efforts have been dedicated to techniques based on multiple one-dimensional indexes built on attributes of sub...
Botao Wang, Wang Zhang, Masaru Kitsuregawa
ICDE
2008
IEEE
139views Database» more  ICDE 2008»
16 years 5 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...
PODS
2005
ACM
109views Database» more  PODS 2005»
16 years 4 months ago
XPath satisfiability in the presence of DTDs
We study the satisfiability problem associated with XPath in the presence of DTDs. This is the problem of determining, given a query p in an XPath fragment and a DTD D, whether or...
Michael Benedikt, Wenfei Fan, Floris Geerts
DBISP2P
2005
Springer
131views Database» more  DBISP2P 2005»
15 years 9 months ago
Symmetric Replication for Structured Peer-to-Peer Systems
Structured peer-to-peer systems rely on replication as a basic means to provide fault-tolerance in presence of high churn. Most select replicas using either multiple hash functions...
Ali Ghodsi, Luc Onana Alima, Seif Haridi
BNCOD
1997
76views Database» more  BNCOD 1997»
15 years 5 months ago
Query Evaluation in CROQUE - Calculus and Algebra Coincide
With the substantial change of declarative query languages from plain SQL to the so-called \object SQLs", in particular OQL, there has surprisingly been not much change in the...
Torsten Grust, Joachim Kröger, Dieter Gluche,...