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SIGMOD
1999
ACM
108views Database» more  SIGMOD 1999»
15 years 11 months ago
DynaMat: A Dynamic View Management System for Data Warehouses
Pre-computation and materialization of views with aggregate functions is a common technique in Data Warehouses. Due to the complex structure of the warehouse and the different pro...
Yannis Kotidis, Nick Roussopoulos
ADHOC
2010
123views more  ADHOC 2010»
15 years 6 months ago
An analysis of the lifetime of OLSR networks
The Optimized Link State Routing (OLSR) protocol is a well-known route discovery protocol for ad-hoc networks. OLSR optimizes the flooding of link state information through the ne...
Jan-Maarten Verbree, Maurits de Graaf, Johann Huri...
ICC
2007
IEEE
141views Communications» more  ICC 2007»
16 years 28 days ago
A Decomposition-Based Low-Complexity Scheduling Scheme for Power Minimization under Delay Constraints in Time-Varying Uplink Cha
Abstract— In this paper, we investigate the problem of minimizing the average transmission power of users while guaranteeing the average delay constraints in time-varying uplink ...
Hojoong Kwon, Byeong Gi Lee
ICIP
2000
IEEE
15 years 11 months ago
Switched Error Concealment and Robust Coding Decisions in Scalable Video Coding
This work introduces two complementary techniques to improve the packet loss resilience of scalable video coding systems. First, a “switch per-pixel” error concealment (SPEC) ...
Rui Zhang, Shankar L. Regunathan, Kenneth Rose
NIPS
2007
15 years 8 months ago
Discriminative Batch Mode Active Learning
Active learning sequentially selects unlabeled instances to label with the goal of reducing the effort needed to learn a good classifier. Most previous studies in active learning...
Yuhong Guo, Dale Schuurmans