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» Evaluating XPath Queries on XML Data Streams
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WWW
2011
ACM
15 years 1 months ago
Rewriting queries on SPARQL views
The problem of answering SPARQL queries over virtual SPARQL views is commonly encountered in a number of settings, including while enforcing security policies to access RDF data, ...
Wangchao Le, Songyun Duan, Anastasios Kementsietsi...
BTW
2009
Springer
166views Database» more  BTW 2009»
16 years 1 months ago
TinTO: A Tool for View-Based Analysis of Stock Market Data Streams
: TinTO is an experimental system aiming at demonstrating the usefulness and feasibility of incrementally evaluated SQL queries for analyzing a wide spectrum of data streams. As ap...
Andreas Behrend, Christian Dorau, Rainer Manthey
SIGMOD
2004
ACM
188views Database» more  SIGMOD 2004»
16 years 6 months ago
Online Event-driven Subsequence Matching over Financial Data Streams
Subsequence similarity matching in time series databases is an important research area for many applications. This paper presents a new approximate approach for automatic online s...
Huanmei Wu, Betty Salzberg, Donghui Zhang
ICDE
2012
IEEE
233views Database» more  ICDE 2012»
13 years 9 months ago
Accuracy-Aware Uncertain Stream Databases
Abstract— Previous work has introduced probability distributions as first-class components in uncertain stream database systems. A lacking element is the fact of how accurate the...
Tingjian Ge, Fujun Liu
PVLDB
2010
122views more  PVLDB 2010»
15 years 4 months ago
Avalanche-Safe LINQ Compilation
We report on a query compilation technique that enables the construction of alternative efficient query providers for Microsoft’s Language Integrated Query (LINQ) framework. LIN...
Torsten Grust, Jan Rittinger, Tom Schreiber