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相关论文: Adaptive Context Tree Weighting

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In information retrieval (IR) and related tasks, term weighting approaches typically consider the frequency of the term in the document and in the collection in order to compute a score reflecting the importance of the term for the…

机器学习 · 计算机科学 2021-09-22 Alejandro Moreo Fernández , Andrea Esuli , Fabrizio Sebastiani

This paper proposes an adaptive auxiliary task learning based approach for object counting problems. Unlike existing auxiliary task learning based methods, we develop an attention-enhanced adaptively shared backbone network to enable both…

计算机视觉与模式识别 · 计算机科学 2022-03-09 Yanda Meng , Joshua Bridge , Meng Wei , Yitian Zhao , Yihong Qiao , Xiaoyun Yang , Xiaowei Huang , Yalin Zheng

Dynamic Time Warping (DTW), and its constrained (CDTW) and weighted (WDTW) variants, are time series distances with a wide range of applications. They minimize the cost of non-linear alignments between series. CDTW and WDTW have been…

机器学习 · 计算机科学 2021-11-29 Matthieu Herrmann , Geoffrey I. Webb

Recently, doc2vec has achieved excellent results in different tasks. In this paper, we present a context aware variant of doc2vec. We introduce a novel weight estimating mechanism that generates weights for each word occurrence according to…

计算与语言 · 计算机科学 2017-07-07 Zhaocheng Zhu , Junfeng Hu

Person search is an integrated task of multiple sub-tasks such as foreground/background classification, bounding box regression and person re-identification. Therefore, person search is a typical multi-task learning problem, especially when…

计算机视觉与模式识别 · 计算机科学 2022-09-26 Yanling Tian , Di Chen , Yunan Liu , Shanshan Zhang , Jian Yang

Approaches to continual learning aim to successfully learn a set of related tasks that arrive in an online manner. Recently, several frameworks have been developed which enable deep learning to be deployed in this learning scenario. A key…

机器学习 · 统计学 2020-06-17 Tameem Adel , Han Zhao , Richard E. Turner

Recent retrieval-augmented models enhance basic methods by building a hierarchical structure over retrieved text chunks through recursive embedding, clustering, and summarization. The most relevant information is then retrieved from both…

计算与语言 · 计算机科学 2024-10-03 Charbel Chucri , Rami Azouz , Joachim Ott

In this paper, we propose a method of improving temporal Convolutional Neural Networks (CNN) by determining the optimal alignment of weights and inputs using dynamic programming. Conventional CNN convolutions linearly match the shared…

计算机视觉与模式识别 · 计算机科学 2019-02-08 Brian Kenji Iwana , Seiichi Uchida

Connectionist Temporal Classification (CTC) is a widely used approach for automatic speech recognition (ASR) that performs conditionally independent monotonic alignment. However for translation, CTC exhibits clear limitations due to the…

计算与语言 · 计算机科学 2022-10-12 Brian Yan , Siddharth Dalmia , Yosuke Higuchi , Graham Neubig , Florian Metze , Alan W Black , Shinji Watanabe

We propose a neural network model for contextual regression in which the regression model depends on contextual features that determine the active submodel and an algorithm to fit the model. The proposed simple contextual neural network…

机器学习 · 统计学 2026-05-20 Seksan Kiatsupaibul , Pakawan Chansiripas

In this paper, we investigate adaptive nonlinear regression and introduce tree based piecewise linear regression algorithms that are highly efficient and provide significantly improved performance with guaranteed upper bounds in an…

机器学习 · 计算机科学 2013-12-30 N. Denizcan Vanli , Suleyman S. Kozat

In this paper, we introduce Target-Aware Weighted Training (TAWT), a weighted training algorithm for cross-task learning based on minimizing a representation-based task distance between the source and target tasks. We show that TAWT is easy…

机器学习 · 计算机科学 2022-03-02 Shuxiao Chen , Koby Crammer , Hangfeng He , Dan Roth , Weijie J. Su

Tree kernels have been proposed to be used in many areas as the automatic learning of natural language applications. In this paper, we propose a new linear time algorithm based on the concept of weighted tree automata for SubTree kernel…

计算与语言 · 计算机科学 2023-02-03 Ludovic Mignot , Faissal Ouardi , Djelloul Ziadi

Traditional anomaly detection methods aim to identify objects that deviate from most other objects by treating all features equally. In contrast, contextual anomaly detection methods aim to detect objects that deviate from other objects…

机器学习 · 计算机科学 2023-08-07 Zhong Li , Matthijs van Leeuwen

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…

计算与语言 · 计算机科学 2022-02-24 Wang Ling , Wojciech Stokowiec , Domenic Donato , Laurent Sartran , Lei Yu , Austin Matthews , Chris Dyer

The quadratic complexity of self-attention constrains Large Language Models (LLMs) in processing long contexts, a capability essential for many advanced applications. Context compression aims to alleviate this computational bottleneck while…

计算与语言 · 计算机科学 2025-12-05 Yangning Li , Shaoshen Chen , Yinghui Li , Yankai Chen , Hai-Tao Zheng , Hui Wang , Wenhao Jiang , Philip S. Yu

The Burrows-Wheeler transform (BWT) is a well studied text transformation widely used in data compression and text indexing. The BWT of two strings can also provide similarity measures between them, based on the observation that the more…

数据结构与算法 · 计算机科学 2020-09-10 Felipe A. Louza , Guilherme P. Telles , Simon Gog , Liang Zhao

Deep neural networks and decision trees operate on largely separate paradigms; typically, the former performs representation learning with pre-specified architectures, while the latter is characterised by learning hierarchies over…

神经与进化计算 · 计算机科学 2019-06-11 Ryutaro Tanno , Kai Arulkumaran , Daniel C. Alexander , Antonio Criminisi , Aditya Nori

This paper presents a detailed comparison of a recently proposed algorithm for optimizing decision trees, tree alternating optimization (TAO), with other popular, established algorithms. We compare their performance on a number of…

Connectionist Temporal Classification (CTC) models are popular for their balance between speed and performance for Automatic Speech Recognition (ASR). However, these CTC models still struggle in other areas, such as personalization towards…

计算与语言 · 计算机科学 2023-07-04 Devang Kulshreshtha , Saket Dingliwal , Brady Houston , Sravan Bodapati