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» Continuous monitoring of top-k queries over sliding windows
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VLDB
2007
ACM
104views Database» more  VLDB 2007»
14 years 7 months ago
Extending XQuery with Window Functions
This paper presents two extensions for XQuery. The first extension allows the definition and processing of different kinds of windows over an input sequence; i.e., tumbling, slidi...
Irina Botan, Peter M. Fischer, Daniela Florescu, D...
SIGMOD
2006
ACM
232views Database» more  SIGMOD 2006»
14 years 7 months ago
High-performance complex event processing over streams
In this paper, we present the design, implementation, and evaluation of a system that executes complex event queries over real-time streams of RFID readings encoded as events. The...
Eugene Wu 0002, Yanlei Diao, Shariq Rizvi
PETRA
2010
ACM
13 years 9 months ago
Benchmarking dynamic time warping for music retrieval
We study the performance of three dynamic programming methods on music retrieval. The methods are designed for time series matching but can be directly applied to retrieval of mus...
Jefrey Lijffijt, Panagiotis Papapetrou, Jaakko Hol...
EDBT
2008
ACM
129views Database» more  EDBT 2008»
14 years 7 months ago
Continuous multi-way joins over distributed hash tables
This paper studies the problem of evaluating continuous multi-way joins on top of Distributed Hash Tables (DHTs). We present a novel algorithm, called recursive join (RJoin), that...
Stratos Idreos, Erietta Liarou, Manolis Koubarakis
ADBIS
2009
Springer
127views Database» more  ADBIS 2009»
14 years 2 months ago
Window Update Patterns in Stream Operators
Continuous queries applied over nonterminating data streams usually specify windows in order to obtain an evolving –yet restricted– set of tuples and thus provide timely result...
Kostas Patroumpas, Timos K. Sellis