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MOBIHOC
2009
ACM
16 years 12 days ago
Fault tolerant target tracking in sensor networks
In this paper, we present a Gaussian mixture model based approach to capture the spatial characteristics of any target signal in a sensor network, and further propose a temporally...
Min Ding, Xiuzhen Cheng
KDD
2008
ACM
134views Data Mining» more  KDD 2008»
16 years 7 days ago
Privacy-preserving cox regression for survival analysis
Privacy-preserving data mining (PPDM) is an emergent research area that addresses the incorporation of privacy preserving concerns to data mining techniques. In this paper we prop...
Shipeng Yu, Glenn Fung, Rómer Rosales, Srir...
KDD
2007
ACM
165views Data Mining» more  KDD 2007»
16 years 7 days ago
Efficient and effective explanation of change in hierarchical summaries
Dimension attributes in data warehouses are typically hierarchical (e.g., geographic locations in sales data, URLs in Web traffic logs). OLAP tools are used to summarize the measu...
Deepak Agarwal, Dhiman Barman, Dimitrios Gunopulos...
KDD
2004
ACM
209views Data Mining» more  KDD 2004»
16 years 7 days ago
Tracking dynamics of topic trends using a finite mixture model
In a wide range of business areas dealing with text data streams, including CRM, knowledge management, and Web monitoring services, it is an important issue to discover topic tren...
Satoshi Morinaga, Kenji Yamanishi
CHI
2004
ACM
16 years 6 days ago
Story lifecycle in a product development organization
This poster describes an integrated set of stories and story-based activities that we have used in product development in IBM Software Group's Lotus product organizations. We...
Majie Zeller, Sandra L. Kogan, Michael J. Muller, ...