Sciweavers

7271 search results - page 291 / 1455
» The high performance storage system
Sort
View
SIGMOD
2008
ACM
126views Database» more  SIGMOD 2008»
16 years 6 months ago
On efficient top-k query processing in highly distributed environments
Lately the advances in centralized database management systems show a trend towards supporting rank-aware query operators, like top-k, that enable users to retrieve only the most ...
Akrivi Vlachou, Christos Doulkeridis, Kjetil N&osl...
VTC
2007
IEEE
16 years 8 days ago
Q-Learning-based Hybrid ARQ for High Speed Downlink Packet Access in UMTS
Abstract-In this paper, a Q-learning-based hybrid automatic repeat request (Q-HARQ) scheme is proposed to achieve efficient resource utilization for high speed downlink packet acc...
Chung-Ju Chang, Chia-Yuan Chang, Fang-Ching Ren
PRDC
2005
IEEE
15 years 11 months ago
Optimal Choice of Checkpointing Interval for High Availability
Supporting high availability by checkpointing and switching to a backup upon failure of a primary has a cost. Trade-off studies help system architects to decide whether higher ava...
Diana Szentiványi, Simin Nadjm-Tehrani, Joh...
NPC
2004
Springer
15 years 11 months ago
Lookup-Ring: Building Efficient Lookups for High Dynamic Peer-to-Peer Overlays
This paper is motivated by the problem of poor searching efficiency in decentralized peer-to-peer file-sharing systems. We solve the searching problem by considering and modeling t...
Xuezheng Liu, Guangwen Yang, Jinfeng Hu, Ming Chen...
AIPRF
2008
15 years 7 months ago
Spam Sender Detection with Classification Modeling on Highly Imbalanced Mail Server Behavior Data
Unsolicited commercial or bulk emails or emails containing viruses pose a great threat to the utility of email communications. A recent solution for filtering is reputation systems...
Yuchun Tang, Sven Krasser, Dmitri Alperovitch, Pau...