Sparsity matroids - PowerPoint PPT Presentation


Knowledge Base Construction and Commonsense Knowledge in Fiction

Delve into innovative research interests focusing on knowledge base construction using fictional texts as archetypes, taxonomies for constructing knowledge bases, and extraction of commonsense knowledge from diverse sources. Challenges such as sparsity and semantics are addressed through comprehensi

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Sparse Millimeter-Wave Imaging Using Compressed Sensing and Point Spread Function Calibration

A novel indoor millimeter-wave imaging system based on sparsity estimated compressed sensing and calibrated point spread function is introduced. The system utilizes a unique calibration procedure to process the point spread function acquired from measuring a suspended point scatterer. By estimating

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Enhancing Counterfactual Explanations for Improved Understanding

This article explores the concept of generating interpretable, diverse, and plausible counterfactual explanations within explainable AI (XAI). It highlights the challenges with current methods, introduces an instance-guided approach, and emphasizes the importance of good counterfactuals. The discuss

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Constant-Time Algorithms for Sparsity Matroids

This paper discusses constant-time algorithms for sparsity matroids, focusing on (k, l)-sparse and (k, l)-full matroids in graphic representations. It explores properties, testing methods, and graph models like the bounded-degree model. The objective is to efficiently determine if a graph satisfies

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Efficient Solutions for Large-Scale Text Document Retrieval

In the realm of large-scale search and machine learning, implementing efficient solutions for text document retrieval is crucial. Techniques like inverted index and bitwise operations help overcome challenges of storage and sparsity in managing vast collections of documents. Measures like precision

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Matroids and Representative Sets in Game Theory

Explore the concept of matroids and representative sets in game theory, focusing on Alice vs. Bob scenarios where Alice aims to win by strategically selecting sets. Learn how Bollob's Lemma plays a key role in helping Alice reduce the number of sets she needs to remember to secure victory.

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Matroid Secretary Problem: Intersection of Matroids & Variants

Variants of the Secretary Problem with matroid constraints have been explored, allowing for hiring multiple secretaries based on certain constraints to maximize total value. The Matroid Secretary Problem, a crucial variant, presents challenges and opportunities for algorithmic solutions in various a

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Overview of Fair Funding Review Consultation Paper

CCN commissioned Pixel Financial Management to model potential implications of the Fair Funding Review (FFR) to support their responses to current and future consultations. The FFR consultation paper by MHCLG deals with needs in the formula, with future papers focusing on resources and damping. The

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Quantum Error-Correcting Codes and Subsystem Codes

Quantum error-correcting codes (QECC) play a crucial role in protecting quantum information from errors. Stabilizer codes with fault-tolerant error-detecting circuits can lead to the construction of resilient subsystem codes. These codes involve encoding logical qubits into physical qubits and error

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Instant Travel Time Estimation with Sparse Trajectories

This research by Dr. Yu Zheng aims to estimate travel time on road networks instantly using historical and current trajectories generated by vehicles. The methodology involves a context-aware tensor decomposition approach, optimal concatenation, and frequent trajectory pattern mining to address chal

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Link Prediction in Social Networks

This presentation discusses the importance of link prediction in social networks, including applications like recommending new friends, predicting actor participation in events, suggesting interactions between organizations, and overcoming data sparsity in recommender systems. It covers motivations,

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Tricks of the Trade II - Deep Learning and Neural Nets

Dive into the world of deep learning and neural networks with "Tricks of the Trade II" from Spring 2015. Explore topics such as perceptron, linear regression, logistic regression, softmax networks, backpropagation, loss functions, hidden units, and autoencoders. Discover the secrets behind training

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Improved Hierarchical Word Sequence Language Model Using Word Association

This research presents an enhanced hierarchical word sequence language model leveraging word association techniques. It explores the motivation behind the model, smoothing techniques for data sparsity, and the basic idea of the proposed approach, focusing on patterns and word generation. The propose

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Nonsymmetric Gaussian elimination

Intricacies of nonsymmetric Gaussian elimination, LU factorization, partial pivoting, left-looking column LU factorization, symbolic sparse Gaussian elimination, column preordering for sparsity, and more in numerical linear algebra algorithms.

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Capturing Semantics for Imputation with Pre-trained Language Models

In this study, the authors introduce novel imputation techniques leveraging pre-trained language models to address missing data challenges. By shifting focus from symbolic similarity metrics to semantic understanding, they propose IPM-Multi and IPM-Binary approaches, demonstrating improved accuracy.

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Sparse Matrix Algorithms: Permutations and Chordal Completion

Most coefficients in matrices are zero, leading to sparsity. Sparse Gaussian elimination and chordal completion aim to minimize edges while solving matrices efficiently. The 2D model problem illustrates behaviors of sparse matrix algorithms. Permutations impact fill levels, with natural and nested d

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Twist Polynomials of Delta- Matroids

Delta-Matroids, generalizations of graphs, offer intriguing connections in ribbon graph theory. Explore examples, fundamental operations, ribbon-graphic Delta-Matroids, and consequences of twist monomials in this comprehensive study.

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Uniform Semimodular Lattice & Valuated Matroid Insights

Dive into the intricate world of Uniform Semimodular Lattices and Valuated Matroids as discussed in the research by Hiroshi Hirai at the University of Tokyo. Explore the connections to Euclidean building and combinatorial geometries, offering a fresh perspective on geometric structures and matroid t

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Efficient and Effective Sparse LSTM on FPGA with Bank-Balanced Sparsity

Utilizing Bank-Balanced Sparsity, this work presents an efficient Sparse LSTM implementation on FPGA for real-time inference in various applications like machine translation, speech recognition, and synthesis. Through innovative design and evaluation, the model achieves high accuracy while maintaini

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New Horizons in Independence Systems

The concept of independence systems is explored in the context of combinatorial optimization, presenting various classes and approaches. The discussion includes k-systems, matroids, and extensions to weighted problems, emphasizing algorithms and approximations for finding maximum independent sets.

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Penalized Regression, Part 3

Elastic Net regularization overcomes the limitations of Lasso and Ridge regression in handling biological data with correlated variables. By combining the strengths of L1 and L2 penalties, Elastic Net can automatically select variables, encourage group effects, and offer better prediction accuracy.

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Improved MPC Algorithms for MIS, Matching, and Coloring on Trees and Beyond

This research focuses on Massively Parallel Computation (MPC) algorithms for various graph optimization problems such as Maximal Matching, Maximal Independent Set, and Vertex Coloring on trees and sparse graphs. The study presents efficient algorithms with reduced round complexities, demonstrating a

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Cross-Lingual Content Scoring: Enhancing Educational Equality

Explore the concept of cross-lingual content scoring for students' free-text answers using training and test data in different languages. Overcome data sparsity by reusing existing training data, fostering educational equality by focusing on content rather than language-specific correctness, and all

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Boolean Hypercube Fourier Analysis and Learning

Explore the concept of Fast Fourier Sparsity Testing over the Boolean Hypercube through joint research efforts, showcasing the applications of Fourier analysis in PAC-style learning and testing sparsity in Boolean functions. Learn about the connections between Fourier concentration, PAC-learning, an

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Analysis of Sparse Convolutional Neural Networks & Deep Compression Techniques

Explore the impact of sparsity in convolutional neural networks, focusing on memory efficiency and performance improvements. Learn about deep compression pruning methods and the use of structured sparsity learning in neural networks. Discover the Caffe framework for building and running CNNs efficie

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Linear Correlations and Augmentations in Prophet Inequalities Study

Explore the study on linear correlations and augmentations in Prophet inequalities, focusing on selecting highly valued online items in the presence of correlations and thresholds. Discover key approximation theorems and mechanisms for single and multiple item selection, with insights into sparsity

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Learning Author Representations with Author2Vec

Explore how Author2Vec combines content and link information to learn representations for authors in bibliographic co-authorship networks. Overcoming challenges like link sparsity, the approach aims to capture network properties efficiently. Applications include author classification, recommendation

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Prophet Secretary for Combinatorial Auctions and Matroids

Learn about the Prophet Secretary problem in online decision making, the Secretary Problem, Prophet Inequalities, and a simple tight algorithm. Discover the contributions and advancements in Prophet Inequality for settings like matroids and combinatorial auctions.

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Adult-Born Immature Granule Cells Impact on Pattern Separation in Hippocampal Network

Explore the influence of young adult-born immature granule cells on pattern separation within the hippocampal dentate gyrus network. This study delves into the sparsity and orthogonality of patterns, firing transitions, and the architecture of the dentate gyrus network. Discover the role of excitabl

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Understanding Lasso Smoothing Parameter Selection and Splines

Explore the intricacies of lasso smoothing parameter selection, sparsity intuition, solution paths, and piecewise polynomials/splines in data modeling. Learn about various techniques like leave-one-out cross-validation, regression splines, and smoothing splines for effective model building. Discover

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Enhancing Audio Classification with Sparsity-Eager SVM Fusion

Explore how the combination of Sparsity-Eager SVM and regression classifiers can build a robust supervised audio classifier, achieving high generalization on new test examples while avoiding over-fitting. Learn about the integration of SVM principles with sparse regression techniques to create a pow

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Sparse Model Analysis in Dictionary Learning with Michael Elad

Explore the principles of dictionary learning for analysis sparse models presented by Michael Elad, highlighting the background of synthesis and analysis models, Bayesian perspectives, and the concept of Union-of-Subspaces for generating analysis signals. Discover the basics of the synthesis and ana

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Maximal Sparsity with Deep Networks: A Technical Analysis

Explore maximal sparsity with deep networks in this insightful study by Bo Xin, Yizhou Wang, Wen Gao, and David Wipf from Peking University and Microsoft Research, Beijing. Learn about iterative algorithms, practical designs, applications, and the challenges faced in achieving maximal sparsity. Disc

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CaloQVAE Preliminary Results and Model Analysis

Explore the preliminary results and model analysis of CaloQVAE, including sparsity index histograms, energy index histograms, energy ratio histograms, and implementation of UNet-like architecture with Pegasus Topology. Dive into the insights provided by Model 538 and 100K RECON SHOWERS data, showcas

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Efficient Logistic Regression with Stochastic Gradient Descent Methods

Explore the efficient implementation of Logistic Regression using Stochastic Gradient Descent by William Cohen. Learn about the optimization process, regularization techniques, and the importance of sparsity in the algorithm. Dive into the details of updating weights, handling non-zero features, and

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