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ICDE
2008
IEEE
166views Database» more  ICDE 2008»
16 years 1 months ago
A Clustered Index Approach to Distributed XPath Processing
Supporting top-k queries over distributed collections of schemaless XML data poses two challenges. While XML supports expressive query languages such as XPath and XQuery, these la...
Georgia Koloniari, Evaggelia Pitoura
ASIASIM
2004
Springer
15 years 5 months ago
Intuitive Control of Dynamic Simulation Using Improved Implicit Constraint Enforcement
Geometric constraints are imperative components of many dynamic simulation systems to effectively control the behavior of simulated objects. In this paper we present an improved fi...
Min Hong, Samuel W. J. Welch, Min-Hyung Choi
SIAMJO
2008
81views more  SIAMJO 2008»
14 years 10 months ago
A First-Order Convergence Analysis of Trust-Region Methods with Inexact Jacobians
A class of trust-region algorithms is developed and analyzed for the solution of minimization problems with nonlinear inequality constraints. Based on composite-step trust region ...
Andrea Walther
CORR
2008
Springer
76views Education» more  CORR 2008»
14 years 12 months ago
An Efficient Algorithm for a Sharp Approximation of Universally Quantified Inequalities
This paper introduces a new algorithm for solving a subclass of quantified constraint satisfaction problems (QCSP) where existential quantifiers precede universally quantified ine...
Alexandre Goldsztejn, Claude Michel, Michel Rueher
CORR
2008
Springer
111views Education» more  CORR 2008»
14 years 10 months ago
Concave Programming Upper Bounds on the Capacity of 2-D Constraints
The capacity of 1-D constraints is given by the entropy of a corresponding stationary maxentropic Markov chain. Namely, the entropy is maximized over a set of probability distribut...
Ido Tal, Ron M. Roth