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2011
14 years 9 months ago
A Scheduling Framework That Makes Any Disk Schedulers Non-Work-Conserving Solely Based on Request Characteristics
Exploiting spatial locality is critical for a disk scheduler to achieve high throughput. Because of the high cost of disk head seeks and the non-preemptible nature of request serv...
Yuehai Xu, Song Jiang
VLDB
2007
ACM
182views Database» more  VLDB 2007»
16 years 14 days ago
Continuous Queries in Oracle
This paper describes Continuous Queries (CQ) in Oracle RDBMS, a feature that incorporates stream and complex event processing into an RDBMS, the first such attempt in commercial d...
Sankar Subramanian, Srikanth Bellamkonda, Hua-Gang...
ETRA
2006
ACM
198views Biometrics» more  ETRA 2006»
16 years 10 days ago
Perceptual attention focus prediction for multiple viewers in case of multimedia perceptual compression with feedback delay
Human eyes have limited perception capabilities. Only 2 degrees of our 180 degree vision field provide the highest quality of perception. Due to this fact the idea of perceptual a...
Oleg Komogortsev, Javed I. Khan
MM
2006
ACM
197views Multimedia» more  MM 2006»
16 years 10 days ago
Virtual observers in a mobile surveillance system
Conventional wide-area video surveillance systems use a network of fixed cameras positioned close to locations of interest. We describe an alternative and flexible approach to w...
Stewart Greenhill, Svetha Venkatesh
MM
2005
ACM
146views Multimedia» more  MM 2005»
15 years 12 months ago
Unsupervised content discovery in composite audio
Automatically extracting semantic content from audio streams can be helpful in many multimedia applications. Motivated by the known limitations of traditional supervised approache...
Rui Cai, Lie Lu, Alan Hanjalic