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» Efficient Recursive Query Processing using Wavefront Methods
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HICSS
2003
IEEE
127views Biometrics» more  HICSS 2003»
14 years 1 months ago
Storage Model for CDA Documents
The Health Level 7 Clinic Document Architecture (CDA) is an XML-based document markup standard that specifies the hierarchical structure and semantics of “clinical documents” ...
Zheng Liang, Peter Bodorik, Michael Shepher
SIGMOD
2003
ACM
196views Database» more  SIGMOD 2003»
14 years 8 months ago
Spreadsheets in RDBMS for OLAP
One of the critical deficiencies of SQL is lack of support for ndimensional array-based computations which are frequent in OLAP environments. Relational OLAP (ROLAP) applications ...
Andrew Witkowski, Srikanth Bellamkonda, Tolga Bozk...
SIGMOD
2003
ACM
111views Database» more  SIGMOD 2003»
14 years 8 months ago
Extended Wavelets for Multiple Measures
While work in recent years has demonstrated that wavelets can be efficiently used to compress large quantities of data and provide fast and fairly accurate answers to queries, lit...
Antonios Deligiannakis, Nick Roussopoulos
ITIIS
2010
172views more  ITIIS 2010»
13 years 7 months ago
Combining Adaptive Filtering and IF Flows to Detect DDoS Attacks within a Router
Traffic matrix-based anomaly detection and DDoS attacks detection in networks are research focus in the network security and traffic measurement community. In this paper, firstly,...
Ruoyu Yan, Qinghua Zheng, Haifei Li
AI
2006
Springer
13 years 8 months ago
Backward-chaining evolutionary algorithms
Starting from some simple observations on a popular selection method in Evolutionary Algorithms (EAs)--tournament selection--we highlight a previously-unknown source of inefficien...
Riccardo Poli, William B. Langdon