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The global optimization of classification trees has demonstrated considerable promise, notably in enhancing accuracy, optimizing size, and thereby improving human comprehensibility. While existing optimal classification trees substantially…

机器学习 · 计算机科学 2024-02-01 Jiancheng Tu , Wenqi Fan , Zhibin Wu

Multi-label classification is a challenging task, particularly in domains where the number of labels to be predicted is large. Deep neural networks are often effective at multi-label classification of images and textual data. When dealing…

机器学习 · 计算机科学 2023-03-30 Nikolaos Mylonas , Ioannis Mollas , Nick Bassiliades , Grigorios Tsoumakas

The Resource Constrained Shortest Path Problem (RCSPP) is a fundamental combinatorial optimisation problem in which the goal is to find a least-cost path in a directed graph subject to one or more resource constraints. In this paper we…

最优化与控制 · 数学 2025-11-04 Bjørn Petersen , Simon Spoorendonk

Symbolic task planning for robots is computationally challenging due to the combinatorial complexity of the possible action space. This fact is amplified if there are several sub-goals to be achieved due to the increased length of the…

机器人学 · 计算机科学 2023-07-25 Kai Pfeiffer , Leonardo Edgar , Quang-Cuong Pham

A tree-packing is a collection of spanning trees of a graph. It has been a useful tool for computing the minimum cut in static, dynamic, and distributed settings. In particular, [Thorup, Comb. 2007] used them to obtain his dynamic min-cut…

数据结构与算法 · 计算机科学 2024-12-05 Tijn de Vos , Aleksander B. G. Christiansen

Extreme multi-label classification (XMC) aims to identify relevant subsets from numerous labels. Among the various approaches for XMC, tree-based linear models are effective due to their superior efficiency and simplicity. However, the…

机器学习 · 计算机科学 2024-10-15 He-Zhe Lin , Cheng-Hung Liu , Chih-Jen Lin

An ordered labeled tree is a tree in which the nodes are labeled and the left-to-right order among siblings is relevant. The edit distance between two ordered labeled trees is the minimum cost of changing one tree into the other through a…

数据结构与算法 · 计算机科学 2015-02-10 Shihyen Chen

We propose a new exact method for shortest-path distance queries on large-scale networks. Our method precomputes distance labels for vertices by performing a breadth-first search from every vertex. Seemingly too obvious and too inefficient…

数据结构与算法 · 计算机科学 2013-04-18 Takuya Akiba , Yoichi Iwata , Yuichi Yoshida

Pruning deep neural networks is a widely used strategy to alleviate the computational burden in machine learning. Overwhelming empirical evidence suggests that pruned models retain very high accuracy even with a tiny fraction of parameters.…

机器学习 · 计算机科学 2023-09-27 Viplove Arora , Daniele Irto , Sebastian Goldt , Guido Sanguinetti

We consider multi-label classification where the goal is to annotate each data point with the most relevant $\textit{subset}$ of labels from an extremely large label set. Efficient annotation can be achieved with balanced tree predictors,…

机器学习 · 计算机科学 2020-06-11 Maryam Majzoubi , Anna Choromanska

The Minimum Cost Multicut Problem (MP) is a popular way for obtaining a graph decomposition by optimizing binary edge labels over edge costs. While the formulation of a MP from independently estimated costs per edge is highly flexible and…

计算机视觉与模式识别 · 计算机科学 2021-12-13 Steffen Jung , Sebastian Ziegler , Amirhossein Kardoost , Margret Keuper

Large tree structures are ubiquitous and real-world relational datasets often have information associated with nodes (e.g., labels or other attributes) and edges (e.g., weights or distances) that need to be communicated to the viewers. Yet,…

计算几何 · 计算机科学 2023-05-18 Kathryn Gray , Mingwei Li , Reyan Ahmed , Md. Khaledur Rahman , Ariful Azad , Stephen Kobourov , Katy Börner

We consider the multi-label ranking approach to multi-label learning. Boosting is a natural method for multi-label ranking as it aggregates weak predictions through majority votes, which can be directly used as scores to produce a ranking…

机器学习 · 统计学 2018-02-27 Young Hun Jung , Ambuj Tewari

In this paper we propose a novel methodology to construct Optimal Classification Trees that takes into account that noisy labels may occur in the training sample. Our approach rests on two main elements: (1) the splitting rules for the…

机器学习 · 计算机科学 2020-12-17 Víctor Blanco , Alberto Japón , Justo Puerto

Modern route planners such as Google Maps and Apple Maps serve millions of users worldwide, optmizing routes in large-scale road networks where fast responses are required under diverse cost metrics including travel time, fuel consumption,…

数据结构与算法 · 计算机科学 2026-04-14 Muhammad Farhan , Henning Koehler

This paper focuses on channel pruning for semantic segmentation networks. Previous methods to compress and accelerate deep neural networks in the classification task cannot be straightforwardly applied to the semantic segmentation network…

计算机视觉与模式识别 · 计算机科学 2022-08-30 Xinghao Chen , Yiman Zhang , Yunhe Wang

This paper studies a fundamental algorithmic problem related to the design of demand-aware networks: networks whose topologies adjust toward the traffic patterns they serve, in an online manner. The goal is to strike a tradeoff between the…

数据结构与算法 · 计算机科学 2020-04-07 Chen Avin , Kaushik Mondal , Stefan Schmid

The performance of a machine learning system is usually evaluated by using i.i.d.\ observations with true labels. However, acquiring ground truth labels is expensive, while obtaining unlabeled samples may be cheaper. Stratified sampling can…

机器学习 · 计算机科学 2019-07-29 Tiancheng Yu , Xiyu Zhai , Suvrit Sra

The entities in directed networks arising from real-world interactions are often naturally organized under some hierarchical structure. Given a directed, weighted, graph with edges and node labels, we introduce ranking problem where the…

数据结构与算法 · 计算机科学 2025-02-04 Chamalee Wickrama Arachchi , Nikolaj Tatti

Overparameterization and overfitting are common concerns when designing and training deep neural networks, that are often counteracted by pruning and regularization strategies. However, these strategies remain secondary to most learning…

机器学习 · 计算机科学 2020-09-01 Malena Reiners , Kathrin Klamroth , Michael Stiglmayr