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ICALP
2005
Springer
14 years 2 months ago
Tight Lower Bounds for Query Processing on Streaming and External Memory Data
We study a clean machine model for external memory and stream processing. We show that the number of scans of the external data induces a strict hierarchy (as long as work space is...
Martin Grohe, Christoph Koch, Nicole Schweikardt
FOSSACS
2004
Springer
14 years 2 months ago
Duality for Labelled Markov Processes
Labelled Markov processes (LMPs) are automata whose transitions are given by probability distributions. In this paper we present a ‘universal’ LMP as the spectrum of a commutat...
Michael W. Mislove, Joël Ouaknine, Dusko Pavl...
EDBT
2000
ACM
14 years 15 days ago
Management and Query Processing of One-Dimensional Intervals with the UB-Tree
The management and query processing of one dimensional intervals is a special case of extended object handling. One dimensional intervals play an important role in temporal databa...
Robert Fenk
USENIX
2008
13 years 11 months ago
A Comparative Experimental Study of Parallel File Systems for Large-Scale Data Processing
Large-scale scientific and business applications require data processing of ever-increasing amounts of data, fueling a demand for scalable parallel file systems comprising hundred...
Zoe Sebepou, Kostas Magoutis, Manolis Marazakis, A...
CSREASAM
2009
13 years 10 months ago
Security Level Determination Using Branes for Contextual Based Global Processing: An Architecture
This paper presents the basics of a new paradigm that allows generators and consumers of global contextual information to determine an appropriate security level needed for contex...
Greg Vert, Evangelos Triantaphyllou