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DSN
2002
IEEE
14 years 1 months ago
Reducing the Cost of Group Communication with Semantic View Synchrony
View Synchrony (VS) is a powerful abstraction in the design and implementation of dependable distributed systems. By ensuring that processes deliver the same set of messages in ea...
José Orlando Pereira, Luís Rodrigues...
SIGMOD
2010
ACM
214views Database» more  SIGMOD 2010»
14 years 1 months ago
ParaTimer: a progress indicator for MapReduce DAGs
Time-oriented progress estimation for parallel queries is a challenging problem that has received only limited attention. In this paper, we present ParaTimer, a new type of timere...
Kristi Morton, Magdalena Balazinska, Dan Grossman
SIGMOD
1998
ACM
96views Database» more  SIGMOD 1998»
14 years 27 days ago
Wavelet-Based Histograms for Selectivity Estimation
Query optimization is an integral part of relational database management systems. One important task in query optimization is selectivity estimation, that is, given a query P, we ...
Yossi Matias, Jeffrey Scott Vitter, Min Wang
ICCCN
1997
IEEE
14 years 27 days ago
Design and implementation of a QoS capable switch-router
Rapid expansion has strained the capabilities of the Internet infrastructure. Emerging audio and video applications place further demands on already overloaded network elements, e...
Erol Basturk, Alexander Birman, G. Delp, Roch Gu&e...
CIKM
2006
Springer
14 years 12 days ago
Evaluation by comparing result sets in context
Familiar evaluation methodologies for information retrieval (IR) are not well suited to the task of comparing systems in many real settings. These systems and evaluation methods m...
Paul Thomas, David Hawking