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Machine learning models are increasingly applied to biomedical data, yet their adoption in high stakes domains remains limited by poor robustness, limited interpretability, and instability of learned features under realistic data…

The Simplex Tree (ST) is a recently introduced data structure that can represent abstract simplicial complexes of any dimension and allows efficient implementation of a large range of basic operations on simplicial complexes. In this paper,…

计算几何 · 计算机科学 2016-11-08 Jean-Daniel Boissonnat , Karthik C. S. , Sébastien Tavenas

Interpreting predictions from tree ensemble methods such as gradient boosting machines and random forests is important, yet feature attribution for trees is often heuristic and not individualized for each prediction. Here we show that…

机器学习 · 计算机科学 2019-03-08 Scott M. Lundberg , Gabriel G. Erion , Su-In Lee

We present CREST (Compact Retrieval-Based Speculative Decoding), a redesign of REST that allows it to be effectively "compacted". REST is a drafting technique for speculative decoding based on retrieving exact n-gram matches of the most…

计算与语言 · 计算机科学 2024-08-12 Sophia Ho , Jinsol Park , Patrick Wang

This paper presents a new approach for the visualization and analysis of the spatial variability of features of interest represented by critical points in ensemble data. Our framework, called Persistence Atlas, enables the visualization of…

图形学 · 计算机科学 2018-07-31 Guillaume Favelier , Noura Faraj , Brian Summa , Julien Tierny

One-class classifiers are trained with target class only samples. Intuitively, their conservative modelling of the class description may benefit classical classification tasks where classes are difficult to separate due to overlapping and…

机器学习 · 计算机科学 2019-06-26 Riccardo La Grassa , Ignazio Gallo , Alessandro Calefati , Dimitri Ognibene

Log-structured merge (LSM) trees offer efficient ingestion by appending incoming data, and thus, are widely used as the storage layer of production NoSQL data stores. To enable competitive read performance, LSM-trees periodically…

数据库 · 计算机科学 2022-03-01 Subhadeep Sarkar , Dimitris Staratzis , Zichen Zhu , Manos Athanassoulis

The literature on concept formation has demonstrated that humans are capable of learning concepts incrementally, with a variety of attribute types, and in both supervised and unsupervised settings. Many models of concept formation focus on…

人工智能 · 计算机科学 2024-10-15 Christopher J. MacLellan , Erik Harpstead , Vincent Aleven , Kenneth R. Koedinger

In this paper, we present a conceptually simple while empirically powerful framework for abstractive summarization, SimCLS, which can bridge the gap between the learning objective and evaluation metrics resulting from the currently…

计算与语言 · 计算机科学 2021-06-04 Yixin Liu , Pengfei Liu

The highly nonlinear regime of gravitational clustering is characterized by the presence of scale-invariant form of many-body correlation functions. Useful insights can be obtained by investigating the consequences of a generic scaling {\em…

天体物理学 · 物理学 2009-10-31 Dipak Munshi , Peter Coles , Adrian L. Melott

The training of large multimodal models fundamentally relies on massive image-text datasets, which inevitably incur prohibitive computational overhead. Dataset selection offers a promising paradigm by identifying a highly informative…

计算机视觉与模式识别 · 计算机科学 2026-05-13 Boran Zhao , Hetian Liu , Zhenxian Hu , Yuqing Yuan , Yu Yan , Pengju Ren

Mixed-species growth models are needed as a synthesis of ecological knowledge and for guiding forest management. Individual-tree models have been commonly used, but the difficulties of reliably scaling from the individual to the stand level…

定量方法 · 定量生物学 2016-11-08 Oscar García

In this work, we adapt a method based on multiple hypothesis tracking (MHT) that has been shown to give state-of-the-art vessel segmentation results in interactive settings, for the purpose of extracting trees. Regularly spaced tubular…

计算机视觉与模式识别 · 计算机科学 2020-07-01 Raghavendra Selvan , Jens Petersen , Jesper H Pedersen , Marleen de Bruijne

We introduce a new structure for a set of points in the plane and an angle $\alpha$, which is similar in flavor to a bounded-degree MST. We name this structure $\alpha$-MST. Let $P$ be a set of points in the plane and let $0 < \alpha \le…

计算几何 · 计算机科学 2014-02-26 Rom Aschner , Matthew J. Katz

Finding the minimum spanning tree (MST) of a graph is an important task in computer vision, as it enables a sparse and low-cost representation of connectivity among elements (such as superpixels, points, or regions), which is useful for…

A numerical evidence for the dependence of the substructure abundance of cluster halos on the orientation coherence of the surrounding tidal fields is presented. Applying the adapted minimal spanning tree (MST) algorithm to the cluster…

宇宙学与河外天体物理 · 物理学 2018-01-31 Junsup Shim , Jounghun Lee

There are different ways to define similarity for grouping similar texts into clusters, as the concept of similarity may depend on the purpose of the task. For instance, in topic extraction similar texts mean those within the same semantic…

计算与语言 · 计算机科学 2013-03-05 Diego R. Amancio , Osvaldo N. Oliveira , Luciano da F. Costa

We present Connected-Component~(CC)-Metrics, a novel semantic segmentation evaluation protocol, targeted to align existing semantic segmentation metrics to a multi-instance detection scenario in which each connected component matters. We…

计算机视觉与模式识别 · 计算机科学 2024-10-25 Alexander Jaus , Constantin Seibold , Simon Reiß , Zdravko Marinov , Keyi Li , Zeling Ye , Stefan Krieg , Jens Kleesiek , Rainer Stiefelhagen

Spatial clustering has been widely used for spatial data mining and knowledge discovery. An ideal multivariate spatial clustering should consider both spatial contiguity and aspatial attributes. Existing spatial clustering approaches may…

机器学习 · 计算机科学 2022-04-01 Yuhao Kang , Kunlin Wu , Song Gao , Ignavier Ng , Jinmeng Rao , Shan Ye , Fan Zhang , Teng Fei

Clustering is widely used for unsupervised structure discovery, yet it offers limited insight into how reliable each individual assignment is. Diagnostics, such as convergence behavior or objective values, may reflect global quality, but…

机器学习 · 计算机科学 2026-05-15 Aggelos Semoglou , John Pavlopoulos