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In this paper we study aspects of top tagging from first principles of QCD. We find that the method known as the CMS top tagger becomes collinear unsafe at high $p_t$ and propose variants thereof which are IRC safe, and hence suitable for…

High Energy Physics - Phenomenology · Physics 2018-10-17 Mrinal Dasgupta , Marco Guzzi , Jacob Rawling , Gregory Soyez

Electricity expense management presents significant challenges, as this resource is susceptible to various influencing factors. In universities, the demand for this resource is rapidly growing with institutional expansion and has a…

We introduce a new jet shape -- N-subjettiness -- designed to identify boosted hadronically-decaying objects like electroweak bosons and top quarks. Combined with a jet invariant mass cut, N-subjettiness is an effective discriminating…

High Energy Physics - Phenomenology · Physics 2015-03-17 Jesse Thaler , Ken Van Tilburg

In contemporary economic society, credit scores are crucial for every participant. A robust credit evaluation system is essential for the profitability of core businesses such as credit cards, loans, and investments for commercial banks and…

Machine Learning · Computer Science 2024-11-13 Qianwen Xing , Chang Yu , Sining Huang , Qi Zheng , Xingyu Mu , Mengying Sun

Additive feature explanations using Shapley values have become popular for providing transparency into the relative importance of each feature to an individual prediction of a machine learning model. While Shapley values provide a unique…

Machine Learning · Computer Science 2021-12-21 Thomas W. Campbell , Heinrich Roder , Robert W. Georgantas , Joanna Roder

More often than not in benchmark supervised ML, tabular data is flat, i.e. consists of a single $m \times d$ (rows, columns) file, but cases abound in the real world where observations are described by a set of tables with structural…

Machine Learning · Computer Science 2024-02-26 Mathieu Guillame-Bert , Richard Nock

Machine learning methods incorporating deep neural networks have been the subject of recent proposals for new hadronic resonance taggers. These methods require training on a dataset produced by an event generator where the true class labels…

High Energy Physics - Phenomenology · Physics 2017-01-25 James Barnard , Edmund Noel Dawe , Matthew J. Dolan , Nina Rajcic

Data-driven artificial intelligence models require explainability in intelligent manufacturing to streamline adoption and trust in modern industry. However, recently developed explainable artificial intelligence (XAI) techniques that…

Machine Learning · Computer Science 2025-02-04 Joseph Cohen , Xun Huan , Jun Ni

We demonstrate that the classification of boosted, hadronically-decaying weak gauge bosons can be significantly improved over traditional cut-based and BDT-based methods using deep learning and the jet charge variable. We construct binary…

High Energy Physics - Phenomenology · Physics 2020-03-25 Yu-Chen Janice Chen , Cheng-Wei Chiang , Giovanna Cottin , David Shih

Textual Attribute Graphs (TAGs) are critical for modeling complex networks like citation networks, but effective node classification remains challenging due to difficulties in integrating rich semantics from text with structural graph…

Machine Learning · Computer Science 2025-08-11 Rituparna Datta , Nibir Chandra Mandal

We evaluate the phenomenological applicability of the dynamical grooming technique, introduced in [1], to boosted W and top tagging at LHC conditions. An extension of our method intended for multi-prong decays with an internal mass scale,…

High Energy Physics - Phenomenology · Physics 2021-01-04 Yacine Mehtar-Tani , Alba Soto-Ontoso , Konrad Tywoniuk

We introduce an adaptive scheduling for adaptive sampling as a novel way of machine learning in the construction of part-of-speech taggers. The goal is to speed up the training on large data sets, without significant loss of performance…

Computation and Language · Computer Science 2024-02-06 Manuel Vilares Ferro , Victor M. Darriba Bilbao , Jesús Vilares Ferro

Discriminating quark-like from gluon-like jets is, in many ways, a key challenge for many LHC analyses. First, we use a known difference in Pythia and Herwig simulations to show how decorrelated taggers would break down when the most…

High Energy Physics - Phenomenology · Physics 2022-12-21 Anja Butter , Barry M. Dillon , Tilman Plehn , Lorenz Vogel

Despite the rise to dominance of deep learning in unstructured data domains, tree-based methods such as Random Forests (RF) and Gradient Boosted Decision Trees (GBDT) are still the workhorses for handling discriminative tasks on tabular…

Machine Learning · Computer Science 2025-04-21 João Bravo

We build a deep neural network based on the Mask R-CNN framework to detect the Higgs jets and top quark jets in any event image. We propose an algorithm to assign the top quark final states at the ground truth level so that the network can…

High Energy Physics - Phenomenology · Physics 2023-12-06 Sang Kwan Choi , Jinmian Li , Cong Zhang , Rao Zhang

New particles beyond the Standard Model might be produced with a very high boost, for instance if they result from the decay of a heavier particle. If the former decay hadronically, then their signature is a single massive fat jet which is…

High Energy Physics - Phenomenology · Physics 2018-01-17 J. A. Aguilar-Saavedra , Jack H. Collins , Rashmish K. Mishra

Gradient Boosted Decision Trees (GBDTs) are widely used for building ranking and relevance models in search and recommendation. Considerations such as latency and interpretability dictate the use of as few features as possible to train…

Machine Learning · Statistics 2021-09-07 Cuize Han , Nikhil Rao , Daria Sorokina , Karthik Subbian

We describe a strategy for constructing a neural network jet substructure tagger which powerfully discriminates boosted decay signals while remaining largely uncorrelated with the jet mass. This reduces the impact of systematic…

High Energy Physics - Experiment · Physics 2017-11-08 Chase Shimmin , Peter Sadowski , Pierre Baldi , Edison Weik , Daniel Whiteson , Edward Goul , Andreas Søgaard

Annotating the right set of data amongst all available data points is a key challenge in many machine learning applications. Batch active learning is a popular approach to address this, in which batches of unlabeled data points are selected…

Machine Learning · Statistics 2021-04-20 Amirata Ghorbani , James Zou , Andre Esteva

Wildfires present intricate challenges for prediction, necessitating the use of sophisticated machine learning techniques for effective modeling\cite{jain2020review}. In our research, we conducted a thorough assessment of various machine…

Machine Learning · Computer Science 2024-04-03 Di Fan , Ayan Biswas , James Paul Ahrens
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