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» Data Aggregation Sets in Adaptive Data Model
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ICMCS
2005
IEEE
92views Multimedia» more  ICMCS 2005»
14 years 2 months ago
Semi-supervised meeting event recognition with adapted HMMs
This paper investigates the use of unlabeled data to help labeled data for audio-visual event recognition in meetings. To deal with situations in which it is difficult to collect...
Dong Zhang, Daniel Gatica-Perez, Samy Bengio
VIS
2004
IEEE
143views Visualization» more  VIS 2004»
14 years 9 months ago
Rough Interface Reconstruction Using the Level Set Method
We present a new level set method for reconstructing interfaces from point aggregations. Although level-set-based methods are advantageous because they can handle complicated topo...
David Thompson, Raghu Machiraju, Yootai Kim
SENSYS
2006
ACM
14 years 2 months ago
Scalable data aggregation for dynamic events in sensor networks
Computing and maintaining network structures for efficient data aggregation incurs high overhead for dynamic events where the set of nodes sensing an event changes with time. Mor...
Kai-Wei Fan, Sha Liu, Prasun Sinha
ICDE
2006
IEEE
144views Database» more  ICDE 2006»
14 years 9 months ago
Approximately Processing Multi-granularity Aggregate Queries over Data Streams
Aggregate monitoring over data streams is attracting more and more attention in research community due to its broad potential applications. Existing methods suffer two problems, 1...
Shouke Qin, Weining Qian, Aoying Zhou
JCDL
2006
ACM
141views Education» more  JCDL 2006»
14 years 2 months ago
An architecture for the aggregation and analysis of scholarly usage data
Although recording of usage data is common in scholarly information services, its exploitation for the creation of valueadded services remains limited due to concerns regarding, a...
Johan Bollen, Herbert Van de Sompel