Search results for "perturbations"

Hits ?▲	Authors	Title	Venue	Year	Link	Author keywords
3	Werner Sandmann	Simultaneous Stochastic Simulation of Multiple Perturbations in Biological Network Models.	CMSB	2007	DBLP DOI BibTeX RDF	Parameter Perturbations, Importance Sampling, Stochastic Simulation, Biological Networks, Likelihood Ratios
3	Chao-Hsing Hsu, Chun-Hua Chen	Optimizing Beam Pattern of Adaptively Linear Array Antenna by Phase Perturbations Using Genetic Algorithms.	KES	2004	DBLP DOI BibTeX RDF	Optimal beam pattern design, Adaptive Linear Array, Phase Perturbations, Genetic Algorithms
3	Kurosh Madani, Ghislain de Tremiolles	Effects of Global Perturbations on Learning Capability in a CMOS Analogue Implementation of Synchronous Boltzmann Machine.	IWANN	1999	DBLP DOI BibTeX RDF	Global Perturbations, Learning capability, Neural network, Modelling, Experimental validation
3	Andrej Zemva, Franc Brglez	Detectable perturbations: a paradigm for technology-specific multi-fault test generation.	VTS	1995	DBLP DOI BibTeX RDF	detectable perturbations, technology-specific multi-fault test generation, multiple bridging, open faults, single-output modules, multi-output modules, mutation faults, technology-mapped cells, fault diagnosis, logic testing, integrated circuit testing, combinational circuits, combinational circuits, automatic testing, stuck-at faults, cellular arrays, benchmark circuits, generic system
2	Tullio Zolezzi	Stability under perturbations of some condition numbers in optimization.	Math. Program.	2009	DBLP DOI BibTeX RDF	Mathematics Subject Classification (2000) 90C31, 49K40
2	Md. Rezaul Bashar, Yan Li, Peng Wen	EEG Analysis on Skull Conductivity Perturbations Using Realistic Head Model.	RSKT	2009	DBLP DOI BibTeX RDF	head modeling, anisotropic conductivity, MRI and FEM, EEG
2	Zheng Zheng, Shanjie Wu, Kai-Yuan Cai	Propagation of Random Perturbations under Fuzzy Algebraic Operators.	KSEM	2009	DBLP DOI BibTeX RDF	Robustness of fuzzy methods, Fuzzy algebraic operators, Fuzzy set, Random perturbation
2	Michel H. Geoffroy, Célia Jean-Alexis, Alain Piétrus	Iterative solving of variational inclusions under Wijsman perturbations.	J. Global Optimization	2008	DBLP DOI BibTeX RDF	AMS Subject Classifications (2000) 49J53, 65K10, 54A20
2	Boris Shekhtman	Bivariate ideal projectors and their perturbations.	Adv. Comput. Math.	2008	DBLP DOI BibTeX RDF	Mathematics Subject Classifications (2000) Primary 41A63, 41A35, Secondary 13P10, 14C05, 41A10
2	Elena Garcia, Pablo González de Santos, F. Matia	Dealing with internal and external perturbations on walking robots.	Auton. Robots	2008	DBLP DOI BibTeX RDF	Robot gaits, Stability margin, Gait adaptation, Autonomous robots, Walking robot, Dynamic stability
2	Roberto Serra, Marco Villani, Chiara Damiani, Alex Graudenzi, Annamaria Colacci	The Diffusion of Perturbations in a Model of Coupled Random Boolean Networks.	ACRI	2008	DBLP DOI BibTeX RDF	genetic network model, random Boolean network, cell-criticality, interaction, cellular automaton
2	Sriraman Tallam, Chen Tian, Rajiv Gupta, Xiangyu Zhang	Avoiding Program Failures Through Safe Execution Perturbations.	COMPSAC	2008	DBLP DOI BibTeX RDF	avoiding failures, environmental faults, logging/replay tools, bad user requests, heap overflow, atomicity violation
2	Jacques Demongeot, Michel Morvan, Sylvain Sené	Robustness of Dynamical Systems Attraction Basins Against State Perturbations: Theoretical Protocol and Application in Systems Biology.	CISIS	2008	DBLP DOI BibTeX RDF
2	JianXing Fan, Huazhong Yang, Hui Wang 0004, Xiaolang Yan, Chaohuan Hou	Phase noise analysis of oscillators with Sylvester representation for periodic time-varying modulus matrix by regular perturbations.	Science in China Series F: Information Sciences	2007	DBLP DOI BibTeX RDF	periodic time-varying, Sylvester theorem, power-law spectrum, Lorentzian spectrum, Floquet exponent, stochastic calculus, phase noise
2	Qing Zhu, Shumin Fei, Tao Li, Tianping Zhang	Robust Neural Networks Control for Uncertain Systems with Time-Varying Delays and Sector Bounded Perturbations.	ISNN	2007	DBLP DOI BibTeX RDF
2	Neelam Gupta, Rajiv Gupta	ExPert: Dynamic Analysis Based Fault Location via Execution Perturbations.	IPDPS	2007	DBLP DOI BibTeX RDF
2	Yusuke Iwase, Reiji Suzuki, Takaya Arita	Evolutionary search for cellular automata that exhibit self-organizing properties induced by external perturbations.	IEEE Congress on Evolutionary Computation	2007	DBLP DOI BibTeX RDF
2	Dan Tsafrir, Keren Ouaknine, Dror G. Feitelson	Reducing Performance Evaluation Sensitivity and Variability by Input Shaking.	MASCOTS	2007	DBLP DOI BibTeX RDF	Workload trace, Workload perturbations, Simulation, Performance evaluation, Variability, Sensitivity, Instability
2	Selim G. Akl, Weiguang Yao	A Parallel Approach Eliminates Measurement Perturbations in RLC Circuits.	The Journal of Supercomputing	2006	DBLP DOI BibTeX RDF	RLC-circuit, parallel computation, measurement, dynamical system, oscillation, perturbation, damping
2	Dongjun Yu, Xiaojun Wu, Jing-Yu Yang	Quantitative Measurement for Fuzzy System to Input and Rule Perturbations.	ICIC	2006	DBLP DOI BibTeX RDF
2	Linfeng Zhang, Anthony G. Persaud, Alan Johnson, Yong Guan	Detection of stepping stone attack under delay and chaff perturbations.	IPCCC	2006	DBLP DOI BibTeX RDF
2	Chao-Hsing Hsu, Wen-Jye Shyr, Chun-Hua Chen	Adaptive Pattern Nulling Design of Linear Array Antenna by Phase-Only Perturbations Using Memetic Algorithms.	ICICIC	2006	DBLP DOI BibTeX RDF
2	Lei Guo, Lingyao Wu, Wenzhang Li, Haixia Wang	Active Control for Structural Systems with Nonlinear Perturbations and Exogenous Disturbances.	ICICIC	2006	DBLP DOI BibTeX RDF
2	Wei-Hong Xu, Guo-Ping Chen, Zhong-Ke Xie	Impacts of Perturbations of Training Patterns on Two Fuzzy Associative Memories Based on T-Norms.	ISNN	2006	DBLP DOI BibTeX RDF
2	T. Jarou, M. Cherkaoui, M. Maaroufi	Nouvelle Strategie De Commande Du Filtre Actif Parallele Pour Compenser Les Perturbations En Courant : Courants Harmoniques, Reactifs Et Desequilibres.	CCECE	2006	DBLP DOI BibTeX RDF
2	Mhand Hifi, Hedi M'Halla, Slim Sadfi	Sensitivity of the Optimum to Perturbations of the Profit or Weight of an Item in the Binary Knapsack Problem.	J. Comb. Optim.	2005	DBLP DOI BibTeX RDF	optimality, combinatorial optimization, sensitivity analysis, knapsacks
2	Ju-Hong Lee, Kuang-Peng Cheng	Adaptive array beamforming with robust capabilities under random phase perturbations.	IEEE Transactions on Signal Processing	2005	DBLP DOI BibTeX RDF
2	Behdis Eslamnour, Shoukat Ali	A Measure of Robustness Against Multiple Kinds of Perturbations.	IPDPS	2005	DBLP DOI BibTeX RDF
2	Chao-Hsing Hsu, Wen-Jye Shyr	Optimizing Linear Adaptive Broadside Array Antenna by Amplitude-Position Perturbations Using Memetic Algorithms.	KES	2005	DBLP DOI BibTeX RDF
2	Chao-Hsing Hsu, Wen-Jye Shyr, Kun-Huang Kuo	Optimizing Interference Cancellation of Adaptive Linear Array by Phase-Only Perturbations Using Genetic Algorithms.	KES	2005	DBLP DOI BibTeX RDF
2	C. Wilwert, Françoise Simonot-Lion, Yeqiong Song, Françoise Simonot	Quantitative evaluation of the safety of X-by-Wire architecture subject to EMI perturbations.	ETFA	2005	DBLP DOI BibTeX RDF
2	J. C. E. van der Burg, L. J. R. Casius, I. Kingma, Jaap H. van Dieën, Arthur J. van Soest	Factors underlying the perturbation resistance of the trunk in the first part of a lifting movement.	Biological Cybernetics	2005	DBLP DOI BibTeX RDF	Muscle dynamics, Perturbations, Lifting, Forward simulation
2	Renato Fernandes Hentschke, Ricardo Augusto da Luz Reis	Improving Simulated Annealing Placement by Applying Random and Greedy Mixed Perturbations.	SBCCI	2003	DBLP DOI BibTeX RDF
2	Ye Sun, Anthony N. Michel	Partial stability of discontinuous dynamical systems under arbitrary initial z-perturbations.	ISCAS	2003	DBLP DOI BibTeX RDF
2	Michael A. Wolfe	Bounding Perturbations in Zeros of Nonlinear Systems.	Reliable Computing	2002	DBLP DOI BibTeX RDF
2	András Farkas, Pál Rózsa	Data Perturbations of Matrices of Pairwise Comparisons.	Annals OR	2001	DBLP DOI BibTeX RDF
2	Jerzy A. Filar, Prabhu Manyem, Kevin White	How Airlines and Airports Recover from Schedule Perturbations: A Survey.	Annals OR	2001	DBLP DOI BibTeX RDF	ground holding, schedule disruption, schedule perturbation, airport capacity, air traffic management, airline
2	Tullio Zolezzi	Well-Posedness and Optimization under Perturbations.	Annals OR	2001	DBLP DOI BibTeX RDF	well-posed optimization problems, perturbed optimization, parametric optimization
2	Boris S. Mordukhovich, Ruth Trubnik	Stability of Discrete Approximations and Necessary Optimality Conditions for Delay-Differential Inclusions.	Annals OR	2001	DBLP DOI BibTeX RDF	delay-differential inclusions, finite-difference perturbations, generalized differentiation, stability, dynamic optimization, variational analysis, necessary optimality conditions
2	Jochen Comes, Mark Ziegelmann	An Easy to Use Implementation of Linear Perturbations within CGAL.	Algorithm Engineering	1999	DBLP BibTeX RDF
2	Raimund Seidel	The Nature and Meaning of Perturbations in Geometric Computing.	Discrete & Computational Geometry	1998	DBLP DOI BibTeX RDF
2	J. M. Lagrange, I. Dauty, Robert Azencott	Tomographic Reconstruction of Axisymmetrical Objects From One View by Model Approximation. (PDF / PS)	ICIP	1997	DBLP DOI BibTeX RDF	tomographic reconstruction, axisymmetrical objects, model approximation, density transitions, density model, noise effects, real data acquisition, X-ray photographs, shock waves propagation, explosives, feature extraction, perturbations, computerised tomography, artefacts, deconvolution, shock waves
2	Samuel Pierre, A. Elgibaoui	Improving communication network topologies using tabu search. (PDF / PS)	LCN	1997	DBLP DOI BibTeX RDF	communication network topology, network traffic requirements, communication cost minimization, reliability constraints, focal transformations, performance, tabu search, directed graph, search problems, communication cost, perturbations, packet switched network, packet delay
2	Edmond Boyer, Marie-Odile Berger	Smooth surface reconstruction from image sequences. (PDF / PS)	ICIP	1995	DBLP DOI BibTeX RDF	smooth surface reconstruction, 3D depth map, extremal contours, global surface description, reconstructed points, perturbations correction, algorithms, reliability, motion estimation, image sequences, image sequences, experiments, image reconstruction, triangulation, shape recovery, approximation theory, camera motion, occluding contours, 3D surface reconstruction, regularisation, real data, local approximations
2	Raimund Seidel	The Nature and Meaning of Perturbations in Geometric Computing.	STACS	1994	DBLP DOI BibTeX RDF
2	Allen D. Malony, Daniel A. Reed, Harry A. G. Wijshoff	Performance Measurement Intrusion and Perturbation Analysis.	IEEE Trans. Parallel Distrib. Syst.	1992	DBLP DOI BibTeX RDF	instrumentation perturbations, softwareevent tracing, Alliant FX/80 vector multiprocessor, true performance, instrumentedexecution, instrumentation coverage, source level instrumentation, hardwareinteractions, performance evaluation, parallel programming, performance measurement, perturbation analysis, perturbation theory
1	Jun-Guo Lu, Jizhong Xiao, Weidong Chen	Maximal perturbation bounds for robust alpha-stability of matrix second-order systems with one-parameter perturbations.	Automatica	2012	DBLP DOI BibTeX RDF
1	Mohamed Elkadi, André Galligo, Thang Luu Ba	Approximate GCD of several univariate polynomials with small degree perturbations.	J. Symb. Comput.	2012	DBLP DOI BibTeX RDF
1	Lijuan Zhang, Yuming Shi	Time-Varying perturbations of Chaotic Discrete Systems.	I. J. Bifurcation and Chaos	2012	DBLP DOI BibTeX RDF
1	Wentao Huang, Xingwu Chen, Valery G. Romanovski	Linear Centers with perturbations of Degree 2D + 5.	I. J. Bifurcation and Chaos	2012	DBLP DOI BibTeX RDF
1	Jose C. Nacher, Vladimir B. Ryabov	Nonlinear response of gene expression to chemical perturbations: A noise-detector model and its predictions.	Biosystems	2012	DBLP DOI BibTeX RDF
1	Heejung Yu, Youngchul Sung, Haksoo Kim, Yong H. Lee	Beam Tracking for Interference Alignment in Slowly Fading MIMO Interference Channels: A Perturbations Approach Under a Linear Framework.	IEEE Transactions on Signal Processing	2012	DBLP DOI BibTeX RDF
1	Cyrille C. Girardin, C. Giovanni Galizia	The "Where" and "Who" in Brain Science: Probing Brain Networks with Local Perturbations.	Cognitive Computation	2012	DBLP DOI BibTeX RDF
1	Meixia Li	A Class of Nonmontone Line Search Method with Perturbations.	JCP	2012	DBLP DOI BibTeX RDF
1	Andrew D. Engell, Scott A. Huettel, Gregory McCarthy	The fMRI BOLD signal tracks electrophysiological spectral perturbations, not event-related potentials.	NeuroImage	2012	DBLP DOI BibTeX RDF
1	Laming Chen, Yuantao Gu	Near-oracle Recovery Performance of Greedy Pursuits with Replacement against General Perturbations	CoRR	2012	DBLP BibTeX RDF
1	Hernan Haimovich, María M. Seron	Bounds and Invariant Sets for a Class of Switching Systems with Delayed-state-dependent Perturbations	CoRR	2012	DBLP BibTeX RDF
1	Meng Liu, Ke Wang	On a stochastic logistic equation with impulsive perturbations.	Computers & Mathematics with Applications	2012	DBLP DOI BibTeX RDF
1	M. Kada, S. E. Rebiai	Stability radii of infinite-dimensional systems subjected to unbounded stochastic perturbations.	Systems & Control Letters	2012	DBLP DOI BibTeX RDF
1	Anastasios Gounaris, Christos A. Yfoulis, Norman W. Paton	Efficient load balancing in partitioned queries under random perturbations.	TAAS	2012	DBLP DOI BibTeX RDF
1	Thanh Qui Nguyen	Nonlinear Perturbations of Polyhedral Normal Cone Mappings and Affine Variational Inequalities.	J. Optimization Theory and Applications	2012	DBLP DOI BibTeX RDF
1	Lu-Chuan Ceng, Ngai-Ching Wong, Jen-Chih Yao	Well-Posedness for a Class of Strongly Mixed Variational-Hemivariational Inequalities with Perturbations.	J. Applied Mathematics	2012	DBLP DOI BibTeX RDF
1	Lu-Chuan Ceng, Ching-Feng Wen	Well-Posedness by Perturbations of Generalized Mixed Variational Inequalities in Banach Spaces.	J. Applied Mathematics	2012	DBLP DOI BibTeX RDF
1	Francisco J. Fernández-Polo, Juan Martínez Moreno, Antonio M. Peralta	Contractive perturbations in JB*-triples.	J. London Math. Society	2012	DBLP DOI BibTeX RDF
1	Junbai Ren, Xuan Ma	L2 stability for solutions of subcritical quasi-geostrophic equation with large perturbations.	Applied Mathematics and Computation	2012	DBLP DOI BibTeX RDF
1	Edmundo J. Huertas, Francisco Marcellán, Fernando R. Rafaeli	Zeros of orthogonal polynomials generated by canonical perturbations of measures.	Applied Mathematics and Computation	2012	DBLP DOI BibTeX RDF
1	Cheng Wang, Yi Shen	Delay-range-dependent stability for uncertain stochastic systems with interval time-varying delay and nonlinear perturbations.	Int. J. Comput. Math.	2012	DBLP DOI BibTeX RDF
1	Sebastian Franz, Hans-Görg Roos	The Capriciousness of Numerical Methods for Singular Perturbations.	SIAM Review	2011	DBLP DOI BibTeX RDF
1	Ricardo G. Sanfelice, Andrew R. Teel	On singular perturbations due to fast actuators in hybrid control systems.	Automatica	2011	DBLP DOI BibTeX RDF
1	María José Cantero, Leandro Moral, Luis Velázquez	Direct and inverse polynomial perturbations of hermitian linear functionals.	Journal of Approximation Theory	2011	DBLP DOI BibTeX RDF
1	Yan Song	Abelian integrals for a Kind of Non-Hamiltonian integrable Systems under cubic Polynomial Perturbations.	I. J. Bifurcation and Chaos	2011	DBLP DOI BibTeX RDF
1	Md Shafiqul Islam, Pawel Góra	Invariant Measures of Stochastic Perturbations of Dynamical Systems Using Fourier Approximations.	I. J. Bifurcation and Chaos	2011	DBLP DOI BibTeX RDF
1	Yuanlong Chen, Yu Huang, Liangliang Li	The Persistence of SNAP-Back Repeller under Small C1 Perturbations in Banach Spaces.	I. J. Bifurcation and Chaos	2011	DBLP DOI BibTeX RDF
1	L. M. Ivanov, R. T. Tokmakian	Sensitivity Analysis of nonlinear Models to parameter perturbations for Small Size Ensembles of Model Outputs.	I. J. Bifurcation and Chaos	2011	DBLP DOI BibTeX RDF
1	Kohei Nakajima, Taichi Haruna	Self-organized perturbations enhance class IV behavior and 1/f power spectrum in elementary cellular automata.	Biosystems	2011	DBLP DOI BibTeX RDF
1	Robert S. Anderssen, A. R. Davies, Frank R. de Hoog	The effect of kernel perturbations when solving the interconversion convolution equation of linear viscoelasticity.	Appl. Math. Lett.	2011	DBLP DOI BibTeX RDF
1	Cristina Dalfó, Miguel Angel Fiol, Ernest Garriga	A Differential Approach for Bounding the Index of Graphs under Perturbations.	Electr. J. Comb.	2011	DBLP BibTeX RDF
1	Ram Bilas Pachori, David J. Hewson	Assessment of the Effects of Sensory Perturbations using Fourier-Bessel Expansion Method for Postural Stability Analysis.	J. Intelligent Systems	2011	DBLP DOI BibTeX RDF
1	Nelly Jean-Baptiste, Pierre-Olivier Malaterre, Christophe Dorée, Jacques Sau	Data assimilation for real-time estimation of hydraulic states and unmeasured perturbations in a 1D hydrodynamic model.	Mathematics and Computers in Simulation	2011	DBLP DOI BibTeX RDF
1	Athanasios A. Pantelous, Athanasios D. Karageorgos, Grigorios I. Kalogeropoulos	The dynamic response of homogeneous LTI descriptor differential systems under perturbations of the right matrix coefficients.	IMA J. Math. Control & Information	2011	DBLP DOI BibTeX RDF
1	Matteo Rubagotti, Antonio Estrada, Fernando Castaños, Antonella Ferrara, Leonid M. Fridman	Integral Sliding Mode Control for Nonlinear Systems With Matched and Unmatched Perturbations.	IEEE Trans. Automat. Contr.	2011	DBLP DOI BibTeX RDF
1	R. Rakkiyappan, P. Balasubramaniam, R. Krishnasamy	Delay dependent stability analysis of neutral systems with mixed time-varying delays and nonlinear perturbations.	J. Computational Applied Mathematics	2011	DBLP DOI BibTeX RDF
1	Weiwei Xu, Wai-Ki Ching, Shuqin Zhang, Wen Li, Xiao-Shan Chen	A matrix perturbation method for computing the steady-state probability distributions of probabilistic Boolean networks with gene perturbations.	J. Computational Applied Mathematics	2011	DBLP DOI BibTeX RDF
1	Xiongping Dai, Yu Huang 0006, Mingqing Xiao	Stability of time-varying nonlinear switching systems under perturbations	CoRR	2011	DBLP BibTeX RDF
1	Sean P. Cornelius, William L. Kath, Adilson E. Motter	Controlling Complex Networks with Compensatory Perturbations	CoRR	2011	DBLP BibTeX RDF
1	Iasson Karafyllis, Miroslav Krstic	Global stabilization of feedforward systems under perturbations in sampling schedule	CoRR	2011	DBLP BibTeX RDF
1	Jie Ding, Laming Chen, Yuantao Gu	Performance Analysis of Orthogonal Matching Pursuit under General Perturbations	CoRR	2011	DBLP BibTeX RDF
1	Reinhard Heckel, Steffen Schober, Martin Bossert	Harmonic Analysis of Boolean Networks: Determinative Power and Perturbations	CoRR	2011	DBLP BibTeX RDF
1	Yingjing Hu, Lixia Duan, Yi Huang, Yuhai Wu	On the perturbations of a Hamiltonian system.	Computers & Mathematics with Applications	2011	DBLP DOI BibTeX RDF
1	J. C. Cortés, J. V. Romero, María Dolores Roselló, C. Santamaría	Solving random diffusion models with nonlinear perturbations by the Wiener-Hermite expansion method.	Computers & Mathematics with Applications	2011	DBLP DOI BibTeX RDF
1	A. Özbekler, A. Zafer	Oscillation of solutions of second order mixed nonlinear differential equations under impulsive perturbations.	Computers & Mathematics with Applications	2011	DBLP DOI BibTeX RDF
1	Håvard Fjær Grip, Ali Saberi, Tor Arne Johansen	Estimation of states and parameters for linear systems with nonlinearly parameterized perturbations.	Systems & Control Letters	2011	DBLP DOI BibTeX RDF
1	Yi-bin Xiao, Nan-Jing Huang	Well-posedness for a Class of Variational-Hemivariational Inequalities with Perturbations.	J. Optimization Theory and Applications	2011	DBLP DOI BibTeX RDF
1	Jin-Mun Jeong, Eun-Young Ju, Su-Jin Cheon	Optimal Control Problems for Evolution Equations of Parabolic Type with Nonlinear Perturbations.	J. Optimization Theory and Applications	2011	DBLP DOI BibTeX RDF
1	H. X. Phu, V. M. Pho, P. T. An	Maximizing Strictly Convex Quadratic Functions with Bounded Perturbations.	J. Optimization Theory and Applications	2011	DBLP DOI BibTeX RDF
1	N. Q. Huy, J.-C. Yao	Semi-Infinite Optimization under Convex Function Perturbations: Lipschitz Stability.	J. Optimization Theory and Applications	2011	DBLP DOI BibTeX RDF
1	L. Lei	Restoration of Periodicity for a Periodic Parabolic System Under Perturbations in the System Conductivity.	J. Optimization Theory and Applications	2011	DBLP DOI BibTeX RDF
1	Xinsong Yang, Quanxin Zhu, Chuangxia Huang	Lag stochastic synchronization of chaotic mixed time-delayed neural networks with uncertain parameters or perturbations.	Neurocomputing	2011	DBLP DOI BibTeX RDF
1	Yurong Li, Yanzheng Zhu, Nianyin Zeng, Min Du	Stability analysis of standard genetic regulatory networks with time-varying delays and stochastic perturbations.	Neurocomputing	2011	DBLP DOI BibTeX RDF
1	Olivier Devillers, Monique Teillaud	Perturbations for Delaunay and weighted Delaunay 3D triangulations.	Comput. Geom.	2011	DBLP DOI BibTeX RDF