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TON
2008
107views more  TON 2008»
13 years 6 months ago
On guaranteed smooth switching for buffered crossbar switches
Scalability considerations drive the evolution of switch design from output queueing to input queueing and further to combined input and crosspoint queueing (CICQ). However, CICQ s...
Simin He, Shutao Sun, Hong-Tao Guan, Qiang Zheng, ...
SIGMOD
2010
ACM
208views Database» more  SIGMOD 2010»
13 years 4 months ago
An automated, yet interactive and portable DB designer
Tuning tools attempt to configure a database to achieve optimal performance for a given workload. Selecting an optimal set of physical structures is computationally hard since it ...
Ioannis Alagiannis, Debabrata Dash, Karl Schnaitte...
TASLP
2011
13 years 1 months ago
A Probabilistic Interaction Model for Multipitch Tracking With Factorial Hidden Markov Models
—We present a simple and efficient feature modeling approach for tracking the pitch of two simultaneously active speakers. We model the spectrogram features of single speakers u...
Michael Wohlmayr, Michael Stark, Franz Pernkopf
SIGMOD
2012
ACM
232views Database» more  SIGMOD 2012»
11 years 8 months ago
Large-scale machine learning at twitter
The success of data-driven solutions to difficult problems, along with the dropping costs of storing and processing massive amounts of data, has led to growing interest in largesc...
Jimmy Lin, Alek Kolcz
ICDE
2012
IEEE
304views Database» more  ICDE 2012»
11 years 8 months ago
Learning-based Query Performance Modeling and Prediction
— Accurate query performance prediction (QPP) is central to effective resource management, query optimization and query scheduling. Analytical cost models, used in current genera...
Mert Akdere, Ugur Çetintemel, Matteo Rionda...