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SIGMOD
2006
ACM
121views Database» more  SIGMOD 2006»
14 years 10 months ago
Rewriting nested XML queries using nested views
We present and analyze an algorithm for equivalent rewriting of XQuery queries using XQuery views, which is complete for a large class of XQueries featuring nested FLWR blocks, XM...
Nicola Onose, Alin Deutsch, Yannis Papakonstantino...
FSTTCS
2009
Springer
14 years 4 months ago
Arithmetic Circuits and the Hadamard Product of Polynomials
Motivated by the Hadamard product of matrices we define the Hadamard product of multivariate polynomials and study its arithmetic circuit and branching program complexity. We also...
Vikraman Arvind, Pushkar S. Joglekar, Srikanth Sri...
PKDD
2007
Springer
130views Data Mining» more  PKDD 2007»
14 years 4 months ago
Discovering Emerging Patterns in Spatial Databases: A Multi-relational Approach
Abstract. Spatial Data Mining (SDM) has great potential in supporting public policy and in underpinning society functioning. One task in SDM is the discovery of characterization an...
Michelangelo Ceci, Annalisa Appice, Donato Malerba
COMPGEOM
2006
ACM
14 years 4 months ago
Online geometric reconstruction
We investigate a new class of geometric problems based on the idea of online error correction. Suppose one is given access to a large geometric dataset though a query mechanism; f...
Bernard Chazelle, C. Seshadhri
HICSS
2005
IEEE
135views Biometrics» more  HICSS 2005»
14 years 3 months ago
On Space Exploration And Human Error - A Paper on Reliability and Safety
NASA space exploration should largely address a problem class in reliability and risk management stemming primarily from human error, system risk and multi-objective trade-off ana...
David A. Maluf, Yuri Gawdiak, David G. Bell