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SIGMOD
2009
ACM
202views Database» more  SIGMOD 2009»
14 years 8 months ago
ZStream: a cost-based query processor for adaptively detecting composite events
Composite (or Complex) event processing (CEP) systems search sequences of incoming events for occurrences of userspecified event patterns. Recently, they have gained more attentio...
Yuan Mei, Samuel Madden
SIGCOMM
2009
ACM
14 years 2 months ago
VUPoints: collaborative sensing and video recording through mobile phones
Mobile phones are becoming a convergent platform for sensing, computation, and communication. This paper envisions VUPoints, a collaborative sensing and video-recording system tha...
Xuan Bao, Romit Roy Choudhury
MOBIWAC
2009
ACM
14 years 2 months ago
The sociable traveller: human travelling patterns in social-based mobility
Understanding how humans move is a key factor for the design and evaluation of networking protocols and mobility management solutions in mobile networks. This is particularly true...
Chiara Boldrini, Marco Conti, Andrea Passarella
SOSP
2005
ACM
14 years 4 months ago
FS2: dynamic data replication in free disk space for improving disk performance and energy consumption
Disk performance is increasingly limited by its head positioning latencies, i.e., seek time and rotational delay. To reduce the head positioning latencies, we propose a novel tech...
Hai Huang, Wanda Hung, Kang G. Shin
EDBT
2010
ACM
189views Database» more  EDBT 2010»
14 years 1 months ago
Efficient physical operators for cost-based XPath execution
The creation of a generic and modular query optimization and processing infrastructure can provide significant benefits to XML data management. Key pieces of such an infrastructur...
Haris Georgiadis, Minas Charalambides, Vasilis Vas...