output
20102026
most citedVariations of the Similarity Function of TextRank for Automated Summarization

112 citations

22 papers

cs.LG2026★ 57 cited

Mutual information and sensitivity analysis for feature selection in customer targeting: a comparative study

Nestor Barraza, Sergio Moro, Marcelo Ferreyra +1

Feature selection is a highly relevant task in a data-driven knowledge discovery project. Several techniques have been developed aiming at finding the features that influence most…

q-bio.PE2025★ 13 cited

A non-homogeneous Markov early epidemic growth dynamics model. Application to the SARS-CoV-2 pandemic

Nestor R. Barraza, Gabriel Pena, Verónica Moreno

This work introduces a new markovian stochastic model that can be described as a non-homogeneous Pure Birth process. We propose a functional form of birth rate that depends on the…

math-ph2025★ 3 cited

A non-homogeneous, non-stationary and path-dependent Markov anomalous diffusion model

Nestor Barraza, Gabriel Pena, Juliana Gambini +1

A novel probabilistic framework for modelling anomalous diffusion is presented. The resulting process is Markovian, non-homogeneous, non-stationary, non-ergodic, and state-dependen…

cs.DL2024★ 1 cited

When researchers pay to publish: Results from a survey on APCs in four countries

Osvaldo Gallardo, Matías Milia, André Luiz Appel +2

This paper provides an empirical overview of the impact and practices of paying Article Processing Charges (APCs) by four nationally categorized groups of researchers in Argentina,…

astro-ph.SR2023★ 5 cited

Modeling the Mg I from the NUV to MIR. II. Testing stellar models

J. I. Peralta, M. C. Vieytes, A. M. P. Mendez +1

Aims. We tested the new atomic model using atmospheric models of stars of different spectral types: the Sun (dG2), HD22049 (dK2, Epsilon Eridani), GJ 832 (dM2), and GJ 581 (dM3). M…

astro-ph.SR2022★ 5 cited

Enthalpy-based modeling of tomographically reconstructed quiet-Sun coronal loops

C. Mac Cormack, M. López Fuentes, C. H. Mandrini +2

The structure of the solar corona is made of magnetic flux tubes or loops. Due to the lack of contrast with their environment, observing and studying coronal loops in the quiet Sun…

astro-ph.SR2021★ 4 cited

Modeling the MgI from the NUV to MIR: I. The Solar Case

J. I. Peralta, M. C. Vieytes, A. M. P. Mendez +1

Semi-empirical models of the solar atmosphere are used to study the radiative environment of any planet in our solar system. There is a need for reliable atomic data for neutral at…

astro-ph.SR2020★ 25 cited

Semi-Empirical Modeling of the Atmospheres of the M Dwarf Exoplanet Hosts GJ 832 and GJ 581

Dennis Tilipman, Mariela Vieytes, Jeffrey L. Linsky +2

Stellar ultraviolet (UV) radiation drives photochemistry, and extreme-ultraviolet (EUV) radiation drives mass loss in exoplanet atmospheres. However, the UV flux is partly unobserv…

astro-ph.SR2020★ 2 cited

Three-Dimensional Reconstruction and Thermal Modelling of Observed Loops

F. A. Nuevo, C. Mac Cormack, M. López Fuentes +2

Due to their characteristic temperature and density, loop structures in active regions (ARs) can be seen bright in extreme ultraviolet (EUV) and soft X-ray images. The semiempirica…

astro-ph.SR2020★ 31 cited

Estimating the Ultraviolet Emission of M dwarfs with Exoplanets from Ca II and H

Katherine Melbourne, Allison Youngblood, Kevin France +29

M dwarf stars are excellent candidates around which to search for exoplanets, including temperate, Earth-sized planets. To evaluate the photochemistry of the planetary atmosphere,…

astro-ph.SR2020★ 20 cited

Thermodynamic Structure of the Solar Corona: Tomographic Reconstructions and MHD Modeling

D. G. Lloveras, A. M. Vásquez, F. A. Nuevo +5

We carry out a study of the global three-dimensional (3D) structure of the electron density and temperature of the quiescent inner solar corona () by means of tomog…

astro-ph.SR2020★ 29 cited

The UV surface habitability of Proxima b: first experiments revealing probable life survival to stellar flares

Ximena C. Abrevaya, Martin Leitzinger, Oscar oppezzo +5

We use a new interdisciplinary approach to study the UV surface habitability of Proxima under quiescent and flaring stellar conditions. We assumed planetary atmospheric composi…

math.HO2020★ 15 cited

Quantum GestART: Identifying and Applying Correlations between Mathematics, Art, and Perceptual Organization

Maria Mannone, Federico Favali, Balandino Di Donato +1

Mathematics can help analyze the arts and inspire new artwork. Mathematics can also help make transformations from one artistic medium to another, considering exceptions and choice…

astro-ph.SR2019★ 83 cited

Validation of the Alfvén Wave Solar atmosphere Model (AWSoM) with Observations from the Low Corona to 1 AU

N. Sachdeva, B. van der Holst, W. B. Manchester +9

We perform a validation study of the latest version of the Alfvén Wave Solar atmosphere Model (AWSoM) within the Space Weather Modeling Framework (SWMF). To do so, we compare the s…

stat.ME2019

Comparing Samples from the Distribution using a Geodesic Distance

Alejandro C. Frery, Juliana Gambini

The distribution is widely used for monopolarized SAR image modeling because it can characterize regions with different degree of texture accurately. It is indexed…

cond-mat.str-el2019★ 39 cited

Magnetization process of atacamite: a case of weakly coupled sawtooth chains

L. Heinze, H. O. Jeschke, I. I. Mazin +17

We present a combined experimental and theoretical study of the mineral atacamite CuCl(OH). Density functional theory yields a Hamiltonian describing anisotropic sawtooth c…

astro-ph.SR2017★ 10 cited

Energy Input Flux in the Global Quiet-Sun Corona

C. Mac Cormack, A. M. Vásquez, M. López Fuentes +3

We present first results of a novel technique that provides, for the first time, constraints on the energy input flux at the coronal base () of the qui…

astro-ph.SR2016★ 18 cited

Mass Loss Evolution in the EUV Low Corona from SDO/AIA Data

Fernando M. López, Hebe Cremades, Federico A. Nuevo +2

We carry out an analysis of the evacuated mass from three coronal dimming regions observed by the {\it Atmospheric Imaging Assembly} (AIA) on board the {\it Solar Dynamics Observat…

cs.CL2016★ 112 cited

Variations of the Similarity Function of TextRank for Automated Summarization

Federico Barrios, Federico López, Luis Argerich +1

This article presents new alternatives to the similarity function for the TextRank algorithm for automatic summarization of texts. We describe the generalities of the algorithm and…

nlin.CD2015★ 5 cited

Wave turbulence buildup in a vibrating plate

Maria Ines Auliel, Benjamin Miquel, Nicolas Mordant

We report experimental and numerical results on the buildup of the energy spectrum in wave turbulence of a vibrating thin elastic plate. Three steps are observed: first a short lin…

cs.IT2014★ 41 cited

Parameter Estimation in SAR Imagery using Stochastic Distances and Asymmetric Kernels

Juliana Gambini, Julia Cassetti, María Magdalena Lucini +1

In this paper we analyze several strategies for the estimation of the roughness parameter of the distribution. It has been shown that this distribution is able to…

math.AT2010

The Tate Thomason Conjecture

Marcelo Gomez Morteo

We prove The Tate Thomason conjecture through Theorem 2.2. Fundamental is the work of R W Thomson and the proof also rests upon the theory of infinite abelian groups.