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» Data Aggregation Sets in Adaptive Data Model
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ECTEL
2010
Springer
13 years 4 months ago
GVIS: A Facility for Adaptively Mashing Up and Representing Open Learner Models
In this article we present an infrastructure for creating mash up and visual representations of the user profile that combine data from different sources. We explored this approach...
Luca Mazzola, Riccardo Mazza
KDD
2006
ACM
240views Data Mining» more  KDD 2006»
14 years 7 months ago
Adaptive event detection with time-varying poisson processes
Time-series of count data are generated in many different contexts, such as web access logging, freeway traffic monitoring, and security logs associated with buildings. Since this...
Alexander T. Ihler, Jon Hutchins, Padhraic Smyth
EDBT
2006
ACM
118views Database» more  EDBT 2006»
14 years 7 months ago
Multi-dimensional Aggregation for Temporal Data
Business Intelligence solutions, encompassing technologies such as multi-dimensional data modeling and aggregate query processing, are being applied increasingly to non-traditional...
Christian S. Jensen, Johann Gamper, Michael H. B&o...
ICDE
2011
IEEE
262views Database» more  ICDE 2011»
12 years 10 months ago
Memory-constrained aggregate computation over data streams
— In this paper, we study the problem of efficiently computing multiple aggregation queries over a data stream. In order to share computation, prior proposals have suggested ins...
K. V. M. Naidu, Rajeev Rastogi, Scott Satkin, Anan...
WWW
2005
ACM
14 years 8 months ago
Executing incoherency bounded continuous queries at web data aggregators
Continuous queries are used to monitor changes to time varying data and to provide results useful for online decision making. Typically a user desires to obtain the value of some ...
Rajeev Gupta, Ashish Puri, Krithi Ramamritham