English
Related papers

Related papers: Tree-Conditioned Edit Flows for Ancestral Sequence…

200 papers

We consider the problem of inferring an ancestral state from observations at the leaves of a tree, assuming the state evolves along the tree according to a two-state symmetric Markov process. We establish a general branching rate condition…

Probability · Mathematics 2021-01-01 Sebastien Roch , Kun-Chieh Wang

We studied how to obtain a distribution for the number of ancestors in species of sexual reproduction. Present models concentrate on the estimation of distributions repetitions of ancestors in genealogical trees. It has been shown that is…

Biological Physics · Physics 2019-09-12 M. Caruso , C. Jarne

We consider the problem of efficient "on the fly" tuning of existing, or {\it legacy}, Artificial Intelligence (AI) systems. The legacy AI systems are allowed to be of arbitrary class, albeit the data they are using for computing interim or…

Machine Learning · Statistics 2019-02-14 Alexander N. Gorban , Ilya Romanenko , Richard Burton , Ivan Y. Tyukin

Large language models (LLMs) have recently shown strong potential for automated program repair (APR), particularly through iterative refinement that generates and improves candidate patches. However, state-of-the-art iterative refinement…

Software Engineering · Computer Science 2026-04-03 Cuong Chi Le , Minh Le-Anh , Cuong Duc Van , Tien N. Nguyen

Metric learning has the aim to improve classification accuracy by learning a distance measure which brings data points from the same class closer together and pushes data points from different classes further apart. Recent research has…

Machine Learning · Computer Science 2018-05-21 Benjamin Paaßen

Neural front-ends represent a promising approach to feature extraction for automatic speech recognition (ASR) systems as they enable to learn specifically tailored features for different tasks. Yet, many of the existing techniques remain…

Audio and Speech Processing · Electrical Eng. & Systems 2025-09-15 Peter Vieting , Benedikt Hilmes , Ralf Schlüter , Hermann Ney

Modern language models (LMs) are trained in an autoregressive manner, conditioned only on the prefix. In contrast, sequence labeling (SL) tasks assign labels to each individual input token, naturally benefiting from bidirectional context.…

Computation and Language · Computer Science 2026-01-27 Matija Luka Kukić , Marko Čuljak , David Dukić , Martin Tutek , Jan Šnajder

Many existing works on voice conversion (VC) tasks use automatic speech recognition (ASR) models for ensuring linguistic consistency between source and converted samples. However, for the low-data resource domains, training a high-quality…

Sound · Computer Science 2023-05-25 Mayank Kumar Singh , Naoya Takahashi , Onoe Naoyuki

Regression trees are a popular machine learning algorithm that fit piecewise constant models by recursively partitioning the predictor space. This paper focuses on statistical inference for a data-dependent model obtained from a fitted…

Methodology · Statistics 2025-12-17 Soham Bakshi , Yiling Huang , Snigdha Panigrahi , Walter Dempsey

Survival analysis concerns the task of predicting the time until an event occurs. Often used in the medical field, survival analysis deals with incomplete (i.e., censored) data, for instance, from patients who did not experience the event…

Machine Learning · Computer Science 2026-05-29 Thalea Schlender , Peter A. N. Bosman , Tanja Alderliesten

Background. The supertree problem, i.e., the task of finding a common refinement of a set of rooted trees is an important topic in mathematical phylogenetics. The special case of a common leaf set $L$ is known to be solvable in linear time.…

Data Structures and Algorithms · Computer Science 2021-09-27 David Schaller , Marc Hellmuth , Peter F. Stadler

We introduce an adaptive tree search algorithm, that can find high-scoring outputs under translation models that make no assumptions about the form or structure of the search objective. This algorithm -- a deterministic variant of Monte…

Computation and Language · Computer Science 2022-02-24 Wang Ling , Wojciech Stokowiec , Domenic Donato , Laurent Sartran , Lei Yu , Austin Matthews , Chris Dyer

The reconstruction of a species phylogeny from genomic data faces two significant hurdles: 1) the trees describing the evolution of each individual gene--i.e., the gene trees--may differ from the species phylogeny and 2) the molecular…

Machine Learning · Computer Science 2017-07-17 Gautam Dasarathy , Elchanan Mossel , Robert Nowak , Sebastien Roch

We introduce a filtration-based framework for studying when and why adding taxa improves phylodynamic inference, by constructing a natural ordering of observed tips and applying sequential Bayesian analysis to the resulting filtration. We…

Quantitative Methods · Quantitative Biology 2026-04-07 David J Pascall

We introduce Prior-Informed Flow Matching (PIFM), a conditional flow model for graph reconstruction. Reconstructing graphs from partial observations remains a key challenge; classical embedding methods often lack global consistency, while…

Machine Learning · Computer Science 2026-01-30 Harvey Chen , Nicolas Zilberstein , Santiago Segarra

In a previous paper we introduced a method called augmented sparse reconstruction (ASR) that identifies links among nodes of ordinary differential equation networks, given a small set of observed trajectories with various initial…

Molecular Networks · Quantitative Biology 2011-04-18 Domenico Napoletani , Michele Signore , Timothy Sauer , Lance Liotta , Emanuel Petricoin

We present a new model for seed banks, where direct ancestors of individuals may have lived in the near as well as the very far past. The classical Wright-Fisher model, as well as a seed bank model with bounded age distribution considered…

Probability · Mathematics 2013-07-02 Jochen Blath , Adrian González Casanova , Noemi Kurt , Dario Spanò

In this paper, we investigate the benefit that off-the-shelf word embedding can bring to the sequence-to-sequence (seq-to-seq) automatic speech recognition (ASR). We first introduced the word embedding regularization by maximizing the…

Computation and Language · Computer Science 2020-02-06 Alexander H. Liu , Tzu-Wei Sung , Shun-Po Chuang , Hung-yi Lee , Lin-shan Lee

The ARF-AID (Auxin Response Factor-Auxin Inducible Degron) system is a re-engineered auxin-inducible protein degradation system. Inducible degron systems are widely used to specifically and rapidly deplete proteins of interest in cell lines…

Quantitative Methods · Quantitative Biology 2020-03-02 Kizhakke Mattada Sathyan , Thomas G. Scott , Michael J. Guertin

Error correction (EC) based on large language models is an emerging technology to enhance the performance of automatic speech recognition (ASR) systems. Generally, training data for EC are collected by automatically pairing a large set of…

Computation and Language · Computer Science 2024-10-17 Takuma Udagawa , Masayuki Suzuki , Masayasu Muraoka , Gakuto Kurata