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SIGMOD
2005
ACM
220views Database» more  SIGMOD 2005»
16 years 6 months ago
Sampling Algorithms in a Stream Operator
Complex queries over high speed data streams often need to rely on approximations to keep up with their input. The research community has developed a rich literature on approximat...
Theodore Johnson, S. Muthukrishnan, Irina Rozenbau...

Publication
383views
16 years 6 months ago
Hunting Nessie -- Real-Time Abnormality Detection from Webcams
We present a data-driven, unsupervised method for unusual scene detection from static webcams. Such time-lapse data is usually captured with very low or varying framerate. This ...
Michael D. Breitenstein, Helmut Grabner, Luc Van G...
WWW
2010
ACM
16 years 1 months ago
Find me if you can: improving geographical prediction with social and spatial proximity
Geography and social relationships are inextricably intertwined; the people we interact with on a daily basis almost always live near us. As people spend more time online, data re...
Lars Backstrom, Eric Sun, Cameron Marlow
ACHI
2009
IEEE
16 years 1 months ago
Model-Driven Instrumentation of Graphical User Interfaces
In today’s continuously changing markets newly developed products often do not meet the demands and expectations of customers. Research on this problem identified a large gap b...
Mathias Funk, Philip Hoyer, Stefan Link
CSE
2009
IEEE
16 years 1 months ago
Analysis of Vehicular Roaming through Multiple WLAN APs in Container Terminal
—This paper reports on measurement results for the simultaneous use of multiple WLAN APs in a large area. We describe some problems of applying legacy IEEE 802.11 WLAN technologi...
Hyun-Sung Park, Seung-Ho Han, Jong-Deok Kim