Search Results for author: yoram louzoun

Found 10 papers, 4 papers with code

Explicit Gradient Learning for Black-Box Optimization

no code implementations ICML 2020 Elad Sarafian, Mor Sinay, yoram louzoun, Noa Agmon, Sarit Kraus

We prove the convergence of EGL to a stationary point and its robustness in the optimization of integrable functions.

Image Generation

Family based HLA imputation and optimization of haplo-identical transplants

1 code implementation11 Aug 2022 Zuriya Ansbacher-Feldman, Sapir Israeli, Martin Maiers, Loren Gragert, Dianne De Santis, Moshe Israeli, yoram louzoun

We use GRAMM to detect recombination events and show that the rate of falsely detected recombination events (False Positive Rate) in simulations is very low.

Imputation

Planted Dense Subgraphs in Dense Random Graphs Can Be Recovered using Graph-based Machine Learning

1 code implementation5 Jan 2022 Itay Levinas, yoram louzoun

We show that PYGON can recover cliques of sizes $\Theta\left(\sqrt{n}\right)$, where $n$ is the size of the background graph, comparable with the state of the art.

PAC learning

High fraction of silent recombination in a finite population two-locus neutral birth-death-mutation model

no code implementations24 Jun 2021 Akiva Bruno Melka, yoram louzoun

Silent recombination considerably reduces the total number of haplotypes expected from the infinite site model for populations that are not much larger than one over the mutation rate.

Management

Quadratic GCN for Graph Classification

1 code implementation14 Apr 2021 Omer Nagar, Shoval Frydman, Ori Hochman, yoram louzoun

We here propose a novel solution combining GCN, methods from knowledge graphs, and a new self-regularized activation function to significantly improve the accuracy of the GCN based GCT.

General Classification Graph Classification +1

Evaluation of the number of undiagnosed infected in an outbreak using source of infection measurements

no code implementations9 Jun 2020 Akiva B. Melka, yoram louzoun

In times of outbreaks, an essential requirement for better monitoring is the evaluation of the number of undiagnosed infected individuals.

Explicit Gradient Learning

no code implementations9 Jun 2020 Mor Sinay, Elad Sarafian, yoram louzoun, Noa Agmon, Sarit Kraus

Instead of fitting the function, EGL trains a NN to estimate the objective gradient directly.

Image Generation

Topological based classification using graph convolutional networks

no code implementations26 Oct 2019 Roy Abel, Idan Benami, yoram louzoun

First, we show that even in the absence of any external information on nodes, a good accuracy can be obtained on the prediction of the node class using either topological features, or using the neighbors class as an input to a GCN.

Classification General Classification

Regional based query in graph active learning

1 code implementation20 Jun 2019 Roy Abel, yoram louzoun

As such, the uncertainty in the class of a node's neighbor may be a more appropriate selection criterion.

Active Learning Classification +2

Topological based classification of paper domains using graph convolutional networks

no code implementations10 Apr 2019 Idan Benami, Keren Cohen, Oved Nagar, yoram louzoun

The main approaches for node classification in graphs are information propagation and the association of the class of the node with external information.

Classification General Classification +1

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