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Rapidly developed neural models have achieved competitive performance in Chinese word segmentation (CWS) as their traditional counterparts. However, most of methods encounter the computational inefficiency especially for long sentences…

Computation and Language · Computer Science 2019-01-30 Sufeng Duan , Jiangtong Li , Hai Zhao

Transformers are not suited for processing long documents, due to their quadratically increasing memory and time consumption. Simply truncating a long document or applying the sparse attention mechanism will incur the context fragmentation…

Computation and Language · Computer Science 2021-05-25 Siyu Ding , Junyuan Shang , Shuohuan Wang , Yu Sun , Hao Tian , Hua Wu , Haifeng Wang

Speech segmentation at both word and phoneme levels is crucial for various speech processing tasks. It significantly aids in extracting meaningful units from an utterance, thus enabling the generation of discrete elements. In this work we…

Machine Learning · Computer Science 2024-11-18 Simone Carnemolla , Salvatore Calcagno , Simone Palazzo , Daniela Giordano

RAG-based QA has emerged as a powerful method for processing long industrial documents. However, conventional text chunking approaches often neglect complex and long industrial document structures, causing information loss and reduced…

Artificial Intelligence · Computer Science 2026-04-15 Joongmin Shin , Chanjun Park , Jeongbae Park , Jaehyung Seo , Heuiseok Lim

We address two challenges in topic models: (1) Context information around words helps in determining their actual meaning, e.g., "networks" used in the contexts "artificial neural networks" vs. "biological neuron networks". Generative topic…

Computation and Language · Computer Science 2019-01-16 Pankaj Gupta , Yatin Chaudhary , Florian Buettner , Hinrich Schütze

Existing state-of-the-art 3D point cloud understanding methods merely perform well in a fully supervised manner. To the best of our knowledge, there exists no unified framework that simultaneously solves the downstream high-level…

Computer Vision and Pattern Recognition · Computer Science 2023-12-05 Kangcheng Liu

Speculative decoding promises faster inference for large language models (LLMs), yet existing methods fail to generalize to real-world settings. Benchmarks typically assume short contexts (e.g., 2K tokens), whereas practical workloads…

Computation and Language · Computer Science 2025-10-10 Jaeseong Lee , seung-won hwang , Aurick Qiao , Gabriele Oliaro , Ye Wang , Samyam Rajbhandari

In recent years, neural networks have proven to be effective in Chinese word segmentation. However, this promising performance relies on large-scale training data. Neural networks with conventional architectures cannot achieve the desired…

Computation and Language · Computer Science 2017-11-07 Jingjing Xu , Xu Sun , Sujian Li , Xiaoyan Cai , Bingzhen Wei

This paper introduces a method for image semantic segmentation grounded on a novel fusion scheme, which takes place inside a deep convolutional neural network. The main goal of our proposal is to explore object boundary information to…

Computer Vision and Pattern Recognition · Computer Science 2021-08-09 Jefferson Fontinele , Gabriel Lefundes , Luciano Oliveira

Text segmentation (TS) aims at dividing long text into coherent segments which reflect the subtopic structure of the text. It is beneficial to many natural language processing tasks, such as Information Retrieval (IR) and document…

Computation and Language · Computer Science 2015-11-30 Mostafa Bayomi , Killian Levacher , M. Rami Ghorab , Séamus Lawless

Large Language Models (LLMs), constrained by limited context windows, often face significant performance degradation when reasoning over long contexts. To address this, Retrieval-Augmented Generation (RAG) retrieves and reasons over chunks…

Computation and Language · Computer Science 2025-11-04 Jiani Guo , Zuchao Li , Jie Wu , Qianren Wang , Yun Li , Lefei Zhang , Hai Zhao , Yujiu Yang

In this paper we propose a graph-community detection approach to identify cross-document relationships at the topic segment level. Given a set of related documents, we automatically find these relationships by clustering segments with…

Computation and Language · Computer Science 2016-06-14 Pedro Mota , Maxine Eskenazi , Luisa Coheur

We present the first comprehensive, large-scale study of training long-context vision language models up to 344K context, targeting long-document visual question answering with measured transfer to long-context text. While several such…

Computer Vision and Pattern Recognition · Computer Science 2026-04-01 Austin Veselka

Understanding documents with rich layouts is an essential step towards information extraction. Business intelligence processes often require the extraction of useful semantic content from documents at a large scale for subsequent…

Computer Vision and Pattern Recognition · Computer Science 2022-09-22 Sanket Biswas , Ayan Banerjee , Josep Lladós , Umapada Pal

Because of the inevitable cost and complexity of transformer and pre-trained models, efficiency concerns are raised for long text classification. Meanwhile, in the highly sensitive domains, e.g., healthcare and legal long-text mining,…

Computation and Language · Computer Science 2023-04-05 Yexiang Wang , Yating Zhang , Xiaozhong Liu , Changlong Sun

Most previous approaches to Chinese word segmentation formalize this problem as a character-based sequence labeling task where only contextual information within fixed sized local windows and simple interactions between adjacent tags can be…

Computation and Language · Computer Science 2016-12-05 Deng Cai , Hai Zhao

Visual long-document understanding is critical for enterprise, legal, and scientific applications, yet the best performing open recipes have not explored reasoning, a capability which has driven leaps in math and code performance. We…

Computer Vision and Pattern Recognition · Computer Science 2026-04-06 Austin Veselka

A fundamental trade-off between effectiveness and efficiency needs to be balanced when designing an online question answering system. Effectiveness comes from sophisticated functions such as extractive machine reading comprehension (MRC),…

Computation and Language · Computer Science 2019-08-14 Ming Yan , Jiangnan Xia , Chen Wu , Bin Bi , Zhongzhou Zhao , Ji Zhang , Luo Si , Rui Wang , Wei Wang , Haiqing Chen

With the increasing size of large language models, layer pruning has gained increased attention as a hardware-friendly approach for model compression. However, existing layer pruning methods struggle to simultaneously address key practical…

Computation and Language · Computer Science 2025-11-24 Tao Yuan , Haoli Bai , Yinfei Pan , Xuyang Cao , Tianyu Zhang , Lu Hou , Ting Hu , Xianzhi Yu

Capturing the compositional process which maps the meaning of words to that of documents is a central challenge for researchers in Natural Language Processing and Information Retrieval. We introduce a model that is able to represent the…

Computation and Language · Computer Science 2014-06-17 Misha Denil , Alban Demiraj , Nal Kalchbrenner , Phil Blunsom , Nando de Freitas