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We present new developments, based on beam tests and cosmic rays, on the gaseous photomultiplier (GasPM). The GasPM detects photons by combining a photocathode with a resistive-plate-chamber avalanche. It achieves $\mathcal{O}$(10) ps time…

Instrumentation and Detectors · Physics 2026-05-25 Simone Garnero , Kenji Inami , Kodai Matsuoka , Ryogo Okubo , Koichi Ueda

The Cross-Market Recommendation task of WSDM CUP 2022 is about finding solutions to improve individual recommendation systems in resource-scarce target markets by leveraging data from similar high-resource source markets. Finally, our team…

Information Retrieval · Computer Science 2022-03-03 Qi Zhang , Zijian Yang , Yilun Huang , Jiarong He , Lixiang Wang

This technical note describes the recent updates of Graphormer, including architecture design modifications, and the adaption to 3D molecular dynamics simulation. With these simple modifications, Graphormer could attain better results on…

Machine Learning · Computer Science 2023-01-10 Yu Shi , Shuxin Zheng , Guolin Ke , Yifei Shen , Jiacheng You , Jiyan He , Shengjie Luo , Chang Liu , Di He , Tie-Yan Liu

3D semantic segmentation is one of the most crucial tasks in driving perception. The ability of a learning-based model to accurately perceive dense 3D surroundings often ensures the safe operation of autonomous vehicles. However, existing…

Computer Vision and Pattern Recognition · Computer Science 2025-01-13 Qing Wu

This paper is the first paper of a series that will present the derivation of the modal mineralogy of Mars (M3 project) at a global scale from the near-infrared dataset acquired by the imaging spectrometer OMEGA (Observatoire pour la…

Earth and Planetary Astrophysics · Physics 2021-02-01 Lucie Riu , François Poulet , John Carter , Jean-Pierre Bibring , Brigitte Gondet , Mathieu Vincendon

Terraforming Mars is an age old science fiction concept now worth revisiting through the lens of modern science and technology. This document serves as a summary of contemporary ideas about Mars terraforming, prepared for attendees of the…

Instrumentation and Methods for Astrophysics · Physics 2025-10-10 Devon Stork , Erika DeBenedictis

For many random constraint satisfaction problems such as random satisfiability or random graph or hypergraph coloring, the best current estimates of the threshold for the existence of solutions are based on the first and the second moment…

Combinatorics · Mathematics 2014-06-25 Amin Coja-Oghlan , Lenka Zdeborova

We present a machine learning approach for estimating the second derivative of a drivable surface, its roughness. Robot perception generally focuses on the first derivative, obstacle detection. However, the second derivative is also…

Computer Vision and Pattern Recognition · Computer Science 2012-07-02 David Stavens , Sebastian Thrun

In this paper, we present our champion solution to the Global Artificial Intelligence Technology Innovation Competition Track 1: Medical Imaging Diagnosis Report Generation. We select CPT-BASE as our base model for the text generation task.…

Computation and Language · Computer Science 2024-07-08 Xiangyu Wu , Hailiang Zhang , Yang Yang , Jianfeng Lu

We propose a new method to retrieve the optical depth of Martian aerosols (AOD) from OMEGA and CRISM hyperspectral imagery at a reference wavelength of 1 {\mu}m. Our method works even if the underlying surface is completely made of…

Earth and Planetary Astrophysics · Physics 2015-06-12 S. Douté , X. Ceamanos , T. Appéré

This paper describes our system for SemEval-2023 Task 3 Subtask 2 on Framing Detection. We used a multi-label contrastive loss for fine-tuning large pre-trained language models in a multi-lingual setting, achieving very competitive results:…

Computation and Language · Computer Science 2023-04-28 Qisheng Liao , Meiting Lai , Preslav Nakov

This user's guide (updated version) consists of two parts. The first part is an extensive survey contributed to the Encyclopedia of Mathematical Physics, 2nd edition. It covers many of the main constructions, definitions, and applications…

Mathematical Physics · Physics 2025-06-17 Sadok Kallel

Landsat-8 (NASA) and Sentinel-2 (ESA) are two prominent multi-spectral imaging satellite projects that provide publicly available data. The multi-spectral imaging sensors of the satellites capture images of the earth's surface in the…

Computer Vision and Pattern Recognition · Computer Science 2022-10-17 Venkatesh Thirugnana Sambandham , Konstantin Kirchheim , Sayan Mukhopadhaya , Frank Ortmeier

We calculate photometric redshifts from the Sloan Digital Sky Survey Data Release 2 Galaxy Sample using artificial neural networks (ANNs). Different input patterns based on various parameters (e.g. magnitude, color index, flux information)…

Astrophysics · Physics 2007-05-23 Lili Li , Yanxia Zhang , Yongheng Zhao , Dawei Yang

This report to our stage 1 submission to the NeurIPS 2019 disentanglement challenge presents a simple image preprocessing method for training VAEs leading to improved disentanglement compared to directly using the images. In particular, we…

Machine Learning · Computer Science 2020-02-25 Maximilian Seitzer

We present a quasar candidate identification technique based on multicolor photometry. The traditional multi-dimensional method (2 $\times$ N dimensions, where N is the number of the color-color diagrams) is reduced to a one-dimensional…

Astrophysics · Physics 2007-05-23 E. Hatziminaoglou , G. Mathez , R. Pello

This paper introduces the approaches we have used to participate in the WSDM Cup 2023 Task 1: Unbiased Learning to Rank. In brief, we have attempted a combination of both traditional IR models and transformer-based cross-encoder…

Information Retrieval · Computer Science 2023-04-26 Jia Chen , Haitao Li , Weihang Su , Qingyao Ai , Yiqun Liu

A Computationally Assisted Spectroscopic Technique to measure secondary electron emission coefficients ($\gamma$-CAST) in capacitively-coupled radio-frequency plasmas is proposed. This non-intrusive, sensitive diagnostic is based on a…

Plasma Physics · Physics 2016-06-22 M. Daksha , B. Berger , E. Schuengel , I. Korolov , A. Derzsi , M. Koepke , Z. Donko , J. Schulze

Fifty years ago, NASA's Jet Propulsion Laboratory (JPL) built and flew the first successful spacecraft to another planet: Mariner 2 to Venus. This paper discusses the context of this mission at a crucial phase in the space race between the…

Earth and Planetary Astrophysics · Physics 2013-02-18 Jeremy Bailey

We give efficient randomized and deterministic distributed algorithms for computing a distance-$2$ vertex coloring of a graph $G$ in the CONGEST model. In particular, if $\Delta$ is the maximum degree of $G$, we show that there is a…

Distributed, Parallel, and Cluster Computing · Computer Science 2020-05-15 Magnus M. Halldorsson , Fabian Kuhn , Yannic Maus