Search results for "sparsity"

Hits ?▲	Authors	Title	Venue	Year	Link	Author keywords
3	Amira Abdelwahab, Hiroo Sekiya, Ikuo Matsuba, Yasuo Horiuchi, Shingo Kuroiwa	Collaborative filtering based on an iterative prediction method to alleviate the sparsity problem.	iiWAS	2009	DBLP DOI BibTeX RDF	explicit ratings, memory-based approach, user-based collaborative filtering, recommender systems, collaborative filtering, sparsity, cold-start problem, item-based collaborative filtering
3	Jun Zhu, Eric P. Xing, Bo Zhang	Primal sparse Max-margin Markov networks.	KDD	2009	DBLP DOI BibTeX RDF	l_1-norm max-margin markov networks, dual sparsity, primal sparsity
3	Arnak S. Dalalyan, Alexandre B. Tsybakov	Aggregation by exponential weighting, sharp PAC-Bayesian bounds and sparsity.	Machine Learning	2008	DBLP DOI BibTeX RDF	Oracle inequalities, Aggregation, Sparsity, Nonparametric regression
3	Paul T. Darga, Karem A. Sakallah, Igor L. Markov	Faster symmetry discovery using sparsity of symmetries.	DAC	2008	DBLP DOI BibTeX RDF	partition refinement, model checking, symmetry, constraint satisfaction problems, Boolean satisfiability, sparsity, graph automorphism
3	Hilmi Yildirim, Mukkai S. Krishnamoorthy	A random walk method for alleviating the sparsity problem in collaborative filtering.	RecSys	2008	DBLP DOI BibTeX RDF	collaborative filtering, random walk, sparsity
3	Ming-Yu Lee, Chiung-Wei Huang, Hahn-Ming Lee	Associating Expertized Information to Alleviate Sparsity Problem in Personalization.	ICEBE	2006	DBLP DOI BibTeX RDF	sparsity problem, recommendation systems, personalization, collaborative filtering, cold-start problem
3	Zan Huang, Hsinchun Chen, Daniel Dajun Zeng	Applying associative retrieval techniques to alleviate the sparsity problem in collaborative filtering.	ACM Trans. Inf. Syst.	2004	DBLP DOI BibTeX RDF	sparsity problem, Recommender system, collaborative filtering, spreading activation, associative retrieval
2	Hamza Kaya, Ferda Nur Alpaslan	Using Social Networks to Solve Data Sparsity Problem in One-Class Collaborative Filtering.	ITNG	2010	DBLP DOI BibTeX RDF	data sparsity, k-nn, collaborative filtering
2	Brian Gawalt, Jinzhu Jia, Luke Miratrix, Laurent El Ghaoui, Bin Yu, Sophie Clavier	Discovering word associations in news media via feature selection and sparse classification.	Multimedia Information Retrieval	2010	DBLP DOI BibTeX RDF	evaluation, text classification, regularization, logistic regression, sparsity, news media
2	Xing Yi, James Allan	A content based approach for discovering missing anchor text for web search.	SIGIR	2010	DBLP DOI BibTeX RDF	anchor text sparsity, content similarity, web search, language models, relevance models, anchor text
2	Massimo Fornasier, Ronny Ramlau, Gerd Teschke	The application of joint sparsity and total variation minimization algorithms to a real-life art restoration problem.	Adv. Comput. Math.	2009	DBLP DOI BibTeX RDF	Mathematics Subject Classifications (2000) 15A29, 47A52, 94A08, 94A40, 68U10
2	Matthieu Kowalski, Bruno Torrésani	Sparsity and persistence: mixed norms provide simple signal models with dependent coefficients.	Signal, Image and Video Processing	2009	DBLP DOI BibTeX RDF	Mixed-norms, Time-frequency decompositions, Sparse representations
2	Sunyoung Kim, Masakazu Kojima, Philippe L. Toint	Recognizing underlying sparsity in optimization.	Math. Program.	2009	DBLP DOI BibTeX RDF	Mathematics Subject Classification (2000) 90C30, 65K05, 90C22
2	Leonardo Rey Vega, Hernan Rey, Jacob Benesty, Sara Tressens	A Family of Robust Algorithms Exploiting Sparsity in Adaptive Filters.	IEEE Transactions on Audio, Speech & Language Processing	2009	DBLP DOI BibTeX RDF
2	Otmar Scherzer, Birgit Walch	Sparsity Regularization for Radon Measures.	SSVM	2009	DBLP DOI BibTeX RDF
2	Pilsung Kang, Sungzoon Cho	K-Means Clustering Seeds Initialization Based on Centrality, Sparsity, and Isotropy.	IDEAL	2009	DBLP DOI BibTeX RDF
2	Volkan Cevher, Petros Boufounos, Richard G. Baraniuk, Anna C. Gilbert, Martin J. Strauss	Near-optimal Bayesian localization via incoherence and sparsity.	IPSN	2009	DBLP DOI BibTeX RDF
2	John C. Duchi, Yoram Singer	Boosting with structural sparsity.	ICML	2009	DBLP DOI BibTeX RDF
2	Jun Zhu, Eric P. Xing	On primal and dual sparsity of Markov networks.	ICML	2009	DBLP DOI BibTeX RDF
2	Junzhou Huang, Tong Zhang, Dimitris N. Metaxas	Learning with structured sparsity.	ICML	2009	DBLP DOI BibTeX RDF
2	Prasad Sudhakar, Rémi Gribonval	A Sparsity-Based Method to Solve Permutation Indeterminacy in Frequency-Domain Convolutive Blind Source Separation.	ICA	2009	DBLP DOI BibTeX RDF	Convolutive BSS, permutation ambiguity, ?1-minimization, sparsity
2	Ali Cafer Gurbuz	Shape detection in images exploiting sparsity.	ISCIS	2009	DBLP DOI BibTeX RDF
2	Bernd Gärtner, Martin Jaggi	Coresets for polytope distance.	Symposium on Computational Geometry	2009	DBLP DOI BibTeX RDF	polytope distance, support vector machines, approximation algorithms, kernel methods, sparsity, geometric optimization, coresets
2	Yassir Moudden, Jérôme Bobin, Jean-Luc Starck, Jalal Fadili	Blind Source Separation with Spatio-SpectralSparsity Constraints - Application to Hyperspectral Data Analysis.	ICA	2009	DBLP DOI BibTeX RDF	Morphological diversity, GMCA, MCA, multichannel data, wavelets, BSS, sparsity, hyperspectral data, curvelets
2	Keith Harris, Mark A. Girolami, Harald Mischak	Definition of Valid Proteomic Biomarkers: A Bayesian Solution.	PRIB	2009	DBLP DOI BibTeX RDF	Proteomic biomarkers, classification, feature selection, Bayesian inference, sparsity
2	Adam C. Zelinski, Lawrence L. Wald, K. Setsompop, Vivek K. Goyal, Elfar Adalsteinsson	Sparsity-Enforced Slice-Selective MRI RF Excitation Pulse Design.	IEEE Trans. Med. Imaging	2008	DBLP DOI BibTeX RDF
2	Yuanqing Li, Andrzej Cichocki, Shun-ichi Amari, Shengli Xie, Cuntai Guan	Equivalence Probability and Sparsity of Two Sparse Solutions in Sparse Representation.	IEEE Transactions on Neural Networks	2008	DBLP DOI BibTeX RDF
2	Pierre Borgnat, Patrick Flandrin	Time-frequency localization from sparsity constraints.	ICASSP	2008	DBLP DOI BibTeX RDF
2	Georg Tauboeck, Franz Hlawatsch	A compressed sensing technique for OFDM channel estimation in mobile environments: Exploiting channel sparsity for reducing pilots.	ICASSP	2008	DBLP DOI BibTeX RDF
2	Adam C. Zelinski, Vivek K. Goyal, Elfar Adalsteinsson, Lawrence L. Wald	Sparsity in MRI RF excitation pulse design.	CISS	2008	DBLP DOI BibTeX RDF
2	Russell Howes, Lee John Eccleston, Jorge M. Goncalves, Guy-Bart Stan, Sean Warnick	Dynamical structure analysis of sparsity and minimality heuristics for reconstruction of biochemical networks.	CDC	2008	DBLP DOI BibTeX RDF
2	Stefania Petra, Andreas Schröder, Bernhard Wieneke, Christoph Schnörr	On Sparsity Maximization in Tomographic Particle Image Reconstruction.	DAGM-Symposium	2008	DBLP DOI BibTeX RDF
2	Cédric Vonesch, Sathish Ramani, Michael Unser	Recursive risk estimation for non-linear image deconvolution with a wavelet-domain sparsity constraint.	ICIP	2008	DBLP DOI BibTeX RDF
2	Salma Essafi, Georg Langs, Nikos Paragios	Sparsity, redundancy and optimal image support towards knowledge-based segmentation.	CVPR	2008	DBLP DOI BibTeX RDF
2	Li Yu, Zhaoli Meng, Rong Wang	Pre-filling Based on Community for Sparsity in Collaborative Filtering.	ISIP	2008	DBLP DOI BibTeX RDF
2	Andrea Walther	Computing sparse Hessians with automatic differentiation.	ACM Trans. Math. Softw.	2008	DBLP DOI BibTeX RDF	second order derivatives, sparsity pattern, Automatic differentiation
2	Paolo Piro, Sandrine Anthoine, Eric Debreuve, Michel Barlaud	Sparse Multiscale Patches for Image Processing.	ETVC	2008	DBLP DOI BibTeX RDF	multiscale transform, k-th nearest neighbor, patches, sparsity, Kullback-Leibler divergence
2	Jim Mutch, David G. Lowe	Object Class Recognition and Localization Using Sparse Features with Limited Receptive Fields.	International Journal of Computer Vision	2008	DBLP DOI BibTeX RDF	Object class recognition, Ventral visual pathway, Sparsity, Localized features
2	Anat Levin, Yair Weiss	User Assisted Separation of Reflections from a Single Image Using a Sparsity Prior.	IEEE Trans. Pattern Anal. Mach. Intell.	2007	DBLP DOI BibTeX RDF
2	Einat Kidron, Yoav Y. Schechner, Michael Elad	Cross-Modal Localization via Sparsity.	IEEE Transactions on Signal Processing	2007	DBLP DOI BibTeX RDF
2	Jérôme Bobin, Jean-Luc Starck, Jalal Fadili, Yassir Moudden	Sparsity and Morphological Diversity in Blind Source Separation.	IEEE Transactions on Image Processing	2007	DBLP DOI BibTeX RDF
2	Andres Mendez-Vazquez, Paul D. Gader	Sparsity Promotion Models for the Choquet Integral.	FOCI	2007	DBLP DOI BibTeX RDF
2	Abdeldjalil Aïssa-El-Bey, Karim Abed-Meraim, Yves Grenier	Blind Audio Source Separation Using Sparsity Based Criterion for Convolutive Mixture Case.	ICA	2007	DBLP DOI BibTeX RDF
2	Jérôme Bobin, Yassir Moudden, Jalal Fadili, Jean-Luc Starck	Morphological Diversity and Sparsity in Blind Source Separation.	ICA	2007	DBLP DOI BibTeX RDF
2	Li Xiong, Ling Liu, Mustaque Ahamad	Countering feedback sparsity and manipulation in reputation systems.	CollaborateCom	2007	DBLP DOI BibTeX RDF
2	Gang Hua, Onur G. Guleryuz	Spatial Sparsity Induced Temporal Prediction for Hybrid Video Compression.	DCC	2007	DBLP DOI BibTeX RDF
2	Andrew K. Bolstad, Barry D. Van Veen, Robert D. Nowak	Space-Time Sparsity Regularization for the Magnetoencephalography Inverse Problem.	ISBI	2007	DBLP DOI BibTeX RDF
2	Hao Ma, Irwin King, Michael R. Lyu	Effective missing data prediction for collaborative filtering.	SIGIR	2007	DBLP DOI BibTeX RDF	data sparsity, recommender system, collaborative filtering, data prediction
2	Mirjam Sepesy Maucec, Janez Brest	Statistical Machine Translation from Slovenian to English Using Reduced Morphology.	LTC	2007	DBLP DOI BibTeX RDF	data sparsity, optimization, morphology, statistical machine translation
2	Yuanqing Li, Andrzej Cichocki, Shun-ichi Amari, Cuntai Guan	Analysis of Source Sparsity and Recoverability for SCA Based Blind Source Separation.	ICA	2006	DBLP DOI BibTeX RDF
2	Ralf Giering, Thomas Kaminski	Automatic Sparsity Detection Implemented as a Source-to-Source Transformation.	International Conference on Computational Science	2006	DBLP DOI BibTeX RDF
2	Jitesh Jain, Stephen Cauley, Cheng-Kok Koh, Venkataramanan Balakrishnan	SASIMI: sparsity-aware simulation of interconnect-dominated circuits with non-linear devices.	ASP-DAC	2006	DBLP DOI BibTeX RDF
2	Jean B. Lasserre	Convergent SDP-Relaxations for Polynomial Optimization with Sparsity.	ICMS	2006	DBLP DOI BibTeX RDF
2	Florentina Bunea, Alexandre B. Tsybakov, Marten H. Wegkamp	Aggregation and Sparsity Via l1 Penalized Least Squares.	COLT	2006	DBLP DOI BibTeX RDF
2	Wei Li 0007, T. Aaron Gulliver	Optimal Pulse Shaping for Pulse Position Modulation UWB Systems with Sparsity-Driven Signal Detection.	VTC Spring	2006	DBLP DOI BibTeX RDF
2	Marco F. Duarte, Michael B. Wakin, Dror Baron, Richard G. Baraniuk	Universal distributed sensing via random projections.	IPSN	2006	DBLP DOI BibTeX RDF	sensor networks, linear programming, correlation, greedy algorithms, sparsity, compressed sensing
2	Nicholas J. A. Harvey, Robert D. Kleinberg, April Rasala Lehman	On the capacity of information networks.	IEEE Transactions on Information Theory	2006	DBLP DOI BibTeX RDF	infomational dominance, k-pairs communication problems, multiple unicast sessions, capacity, network coding, multicommodity flow, sparsity
2	Masakazu Kojima, Sunyoung Kim, Hayato Waki	Sparsity in sums of squares of polynomials.	Math. Program.	2005	DBLP DOI BibTeX RDF	Sums of squares of polynomial, Polynomial optimization problem, Semidefinite program, Sparsity
2	Matthew Walter, Ryan Eustice, John J. Leonard	A Provably Consistent Method for Imposing Sparsity in Feature-Based SLAM Information Filters.	ISRR	2005	DBLP DOI BibTeX RDF
2	Manos Papagelis, Dimitris Plexousakis, Themistoklis Kutsuras	Alleviating the Sparsity Problem of Collaborative Filtering Using Trust Inferences.	iTrust	2005	DBLP DOI BibTeX RDF
2	Nina Brandstätter, Tanja Lange, Arne Winterhof	On the Non-linearity and Sparsity of Boolean Functions Related to the Discrete Logarithm in Finite Fields of Characteristic Two.	WCC	2005	DBLP DOI BibTeX RDF
2	François Laviolette, Mario Marchand, Mohak Shah	Margin-Sparsity Trade-Off for the Set Covering Machine.	ECML	2005	DBLP DOI BibTeX RDF
2	Aleksander Kolcz	Local sparsity control for naive Bayes with extreme misclassification costs.	KDD	2005	DBLP DOI BibTeX RDF	high recall classification, feature selection, text categorization, naive Bayes
2	Miha Grcar, Dunja Mladenic, Blaz Fortuna, Marko Grobelnik	Data Sparsity Issues in the Collaborative Filtering Framework.	WEBKDD	2005	DBLP DOI BibTeX RDF
2	Gui-Rong Xue, Chenxi Lin, Qiang Yang, Wensi Xi, Hua-Jun Zeng, Yong Yu, Zheng Chen	Scalable collaborative filtering using cluster-based smoothing.	SIGIR	2005	DBLP DOI BibTeX RDF	sparsity data, clustering, collaborative filtering, smoothing
2	Eraldo Pomponi, Stefano Squartini, Francesco Piazza	Signal Sparsity Enhancement Through Wavelet Transforms in Underdetermined BSS.	Summer School on Neural Networks	2004	DBLP DOI BibTeX RDF
2	Anat Levin, Yair Weiss	User Assisted Separation of Reflections from a Single Image Using a Sparsity Prior.	ECCV	2004	DBLP DOI BibTeX RDF
2	Sanghack Lee, Jihoon Yang, Sung-Yong Park	Discovery of Hidden Similarity on Collaborative Filtering to Overcome Sparsity Problem.	Discovery Science	2004	DBLP DOI BibTeX RDF
2	Kazuhide Nakata, Katsuki Fujisawa, Mituhiro Fukuda	Exploiting sparsity in semidefinite programming via matrix completion II: implementation and numerical results.	Math. Program.	2003	DBLP DOI BibTeX RDF
2	Vladimir Koltchinskii, Dmitry Panchenko, Savina Andonova	Generalization Bounds for Voting Classifiers Based on Sparsity and Clustering.	COLT	2003	DBLP DOI BibTeX RDF
2	Derek G. Bridge, Jerome Kelleher	Experiments in Sparsity Reduction: Using Clustering in Collaborative Recommenders.	AICS	2002	DBLP DOI BibTeX RDF
2	Shahadat Hossain, Trond Steihaug	Sparsity issues in the computation of Jacobian matrices.	ISSAC	2002	DBLP DOI BibTeX RDF	sparse jacobians, partition, merging, substitution methods
2	André Bergholz	Coping with Sparsity in a Recommender System.	WEBKDD	2002	DBLP DOI BibTeX RDF
2	Monique Laurent	On the Sparsity Order of a Graph and Its Deficiency in Chordality.	Combinatorica	2001	DBLP DOI BibTeX RDF	AMS Subject Classification (2000) Classes: 05C50, 15A48, 15A57, 05C75
2	Eun-Jin Im, Katherine A. Yelick	Optimizing Sparse Matrix Computations for Register Reuse in SPARSITY.	International Conference on Computational Science	2001	DBLP DOI BibTeX RDF
2	Rong-Guey Chang, Jia-Shin Li, Jenq Kuen Lee, Tyng-Ruey Chuang	Probabilistic Inference Schemes for Sparsity Structures of Fortran 90 Array Intrinsics. (PDF / PS)	ICPP	2001	DBLP DOI BibTeX RDF
2	Tapio Niemi, Jyrki Nummenmaa, Peter Thanisch	Functional Dependencies in Controlling Sparsity of OLAP Cubes.	DaWaK	2000	DBLP DOI BibTeX RDF
2	Peter Gottschling, Wolfgang E. Nagel	An Efficient Parallel Linear Solver with a Cascadic Conjugate Gradient Method: Experience with Reality.	Euro-Par	2000	DBLP DOI BibTeX RDF	floating point performance, matrix sparsity pattern, cascadic conjugate gradient method, risc processors
2	Adrian E. Conway, Eugene Pinsky, Srinivasan Tridandapani	Efficient Decomposition Methods for the Analysis of Multi-Facility Blocking Models.	J. ACM	1994	DBLP DOI BibTeX RDF	blocking models, locality, recursion, sparsity, product-form, decomposition methods, circuit-switched networks, exact analysis
1	Ali Mohammad-Djafari	Bayesian approach with prior models which enforce sparsity in signal and image processing.	EURASIP J. Adv. Sig. Proc.	2012	DBLP DOI BibTeX RDF
1	Geir Gundersen, Trond Steihaug	Sparsity in higher order methods for unconstrained optimization.	Optimization Methods and Software	2012	DBLP DOI BibTeX RDF
1	Omar Nibouche, J. Jiang, P. Trundle	Analysis of performance of palmprint matching with enforced sparsity.	Digital Signal Processing	2012	DBLP DOI BibTeX RDF
1	Qian Liu, Chao Lan, Xiao-Yuan Jing, Shi-Qiang Gao, David Zhang, Jing-Yu Yang	Sparsity Preserving Embedding with Manifold Learning and Discriminant Analysis.	IEICE Transactions	2012	DBLP BibTeX RDF
1	Aymen Kammoun, Frédéric Payan, Marc Antonini	Sparsity-based optimization of two lifting-based wavelet transforms for semi-regular mesh compression.	Computers & Graphics	2012	DBLP DOI BibTeX RDF
1	Roland Herzog, Georg Stadler, Gerd Wachsmuth	Directional Sparsity in Optimal Control of Partial Differential Equations.	SIAM J. Control and Optimization	2012	DBLP DOI BibTeX RDF
1	Luca Baldassarre, Jean Morales, Andreas Argyriou, Massimiliano Pontil	A General Framework for Structured Sparsity via Proximal Optimization.	Journal of Machine Learning Research - Proceedings Track	2012	DBLP BibTeX RDF
1	Kyung-Ah Sohn, Seyoung Kim	Joint Estimation of Structured Sparsity and Output Structure in Multiple-Output Regression via Inverse-Covariance Regularization.	Journal of Machine Learning Research - Proceedings Track	2012	DBLP BibTeX RDF
1	Taiji Suzuki, Masashi Sugiyama	Fast Learning Rate of Multiple Kernel Learning: Trade-Off between Sparsity and Smoothness.	Journal of Machine Learning Research - Proceedings Track	2012	DBLP BibTeX RDF
1	Andreas Maurer, Massimiliano Pontil	Structured Sparsity and Generalization.	Journal of Machine Learning Research	2012	DBLP BibTeX RDF
1	Ioannis D. Schizas, Georgios B. Giannakis	Covariance Eigenvector Sparsity for Compression and Denoising.	IEEE Transactions on Signal Processing	2012	DBLP DOI BibTeX RDF
1	Gonzalo Mateos, Georgios B. Giannakis	Robust Nonparametric Regression via Sparsity Control With Application to Load Curve Data Cleansing.	IEEE Transactions on Signal Processing	2012	DBLP DOI BibTeX RDF
1	Shahrokh Farahmand, Georgios B. Giannakis	Robust RLS in the Presence of Correlated Noise Using Outlier Sparsity.	IEEE Transactions on Signal Processing	2012	DBLP DOI BibTeX RDF
1	Jovana Ilic, Thomas Strohmer	Sparsity Enhanced Decision Feedback Equalization.	IEEE Transactions on Signal Processing	2012	DBLP DOI BibTeX RDF
1	Thakshila Wimalajeewa, Pramod K. Varshney	Performance Bounds for Sparsity Pattern Recovery With Quantized Noisy Random Projections.	J. Sel. Topics Signal Processing	2012	DBLP DOI BibTeX RDF
1	Amira Abdelwahab, Hiroo Sekiya, Ikuo Matsuba, Yasuo Horiuchi, Shingo Kuroiwa	Alleviating the Sparsity Problem of Collaborative Filtering Using an Efficient Iterative Clustered Prediction Technique.	International Journal of Information Technology and Decision Making	2012	DBLP DOI BibTeX RDF
1	Matthias Gehre, Tobias Kluth, Antti Lipponen, Bangti Jin, Aku Seppänen, Jari P. Kaipio, Peter Maass	Sparsity reconstruction in electrical impedance tomography: An experimental evaluation.	J. Computational Applied Mathematics	2012	DBLP DOI BibTeX RDF
1	Gui-Fu Lu, Zhong Jin, Jian Zou	Face recognition using discriminant sparsity neighborhood preserving embedding.	Knowl.-Based Syst.	2012	DBLP DOI BibTeX RDF
1	Wolfgang Stefan, Adityavikram Viswanathan, Anne Gelb, Rosemary A. Renaut	Sparsity Enforcing Edge Detection Method for Blurred and Noisy Fourier data.	J. Sci. Comput.	2012	DBLP DOI BibTeX RDF
1	Xiaoqun Zhang, Yujie Lu, Tony F. Chan	A Novel Sparsity Reconstruction Method from Poisson Data for 3D Bioluminescence Tomography.	J. Sci. Comput.	2012	DBLP DOI BibTeX RDF
1	Xiaoqun Zhang, Yujie Lu, Tony F. Chan	Erratum to: A Novel Sparsity Reconstruction Method from Poisson Data for 3D Bioluminescence Tomography.	J. Sci. Comput.	2012	DBLP DOI BibTeX RDF