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For different language pairs, word-level neural machine translation (NMT) models with a fixed-size vocabulary suffer from the same problem of representing out-of-vocabulary (OOV) words. The common practice usually replaces all these rare or…

计算与语言 · 计算机科学 2018-07-26 Yingting Wu , Hai Zhao

Much work in Natural Language Processing (NLP) has been for resource-rich languages, making generalization to new, less-resourced languages challenging. We present two approaches for improving generalization to low-resourced languages by…

计算与语言 · 计算机科学 2018-08-30 Aditi Chaudhary , Chunting Zhou , Lori Levin , Graham Neubig , David R. Mortensen , Jaime G. Carbonell

Small language models (SLMs) have attracted considerable attention from both academia and industry due to their broad range of applications in edge devices. To obtain SLMs with strong performance, conventional approaches either pre-train…

机器学习 · 计算机科学 2025-11-17 Rui Pan , Shivanshu Shekhar , Boyao Wang , Shizhe Diao , Jipeng Zhang , Xingyuan Pan , Renjie Pi , Tong Zhang

Canonical morphological segmentation is the process of analyzing words into the standard (aka underlying) forms of their constituent morphemes. This is a core task in language documentation, and NLP systems have the potential to…

计算与语言 · 计算机科学 2024-10-16 Enora Rice , Ali Marashian , Luke Gessler , Alexis Palmer , Katharina von der Wense

Sememes, the minimum semantic units of human languages, have been successfully utilized in various natural language processing applications. However, most existing studies exploit sememes in specific tasks and few efforts are made to…

计算与语言 · 计算机科学 2020-08-20 Yujia Qin , Fanchao Qi , Sicong Ouyang , Zhiyuan Liu , Cheng Yang , Yasheng Wang , Qun Liu , Maosong Sun

The effectiveness of Neural Machine Translation (NMT) models largely depends on the vocabulary used at training; small vocabularies can lead to out-of-vocabulary problems -- large ones, to memory issues. Subword (SW) tokenization has been…

计算与语言 · 计算机科学 2023-03-02 J. Pourmostafa Roshan Sharami , D. Shterionov , P. Spronck

The assumption across nearly all language model (LM) tokenization schemes is that tokens should be subwords, i.e., contained within word boundaries. While providing a seemingly reasonable inductive bias, is this common practice limiting the…

计算与语言 · 计算机科学 2025-08-28 Alisa Liu , Jonathan Hayase , Valentin Hofmann , Sewoong Oh , Noah A. Smith , Yejin Choi

Successful methods for unsupervised neural machine translation (UNMT) employ crosslingual pretraining via self-supervision, often in the form of a masked language modeling or a sequence generation task, which requires the model to align the…

计算与语言 · 计算机科学 2021-04-15 Alexandra Chronopoulou , Dario Stojanovski , Alexander Fraser

In NLP, text language models based on words or subwords are known to outperform their character-based counterparts. Yet, in the speech community, the standard input of spoken LMs are 20ms or 40ms-long discrete units (shorter than a…

计算与语言 · 计算机科学 2023-10-10 Robin Algayres , Yossi Adi , Tu Anh Nguyen , Jade Copet , Gabriel Synnaeve , Benoit Sagot , Emmanuel Dupoux

We study word learning in subword and character language models with the psycholinguistic lexical decision task. While subword LMs struggle to discern words and non-words with high accuracy, character LMs solve this task easily and…

计算与语言 · 计算机科学 2025-06-03 Bastian Bunzeck , Sina Zarrieß

Large language models(LLMs) have garnered significant attention and demonstrated impressive capabilities in a wide range of applications. However, due to their enormous computational costs, the deployment and application of LLMs are often…

机器学习 · 计算机科学 2025-05-30 Jialong Guo , Xinghao Chen , Yehui Tang , Yunhe Wang

While Large Language Models (LLMs) have achieved remarkable success in various fields, the efficiency of training and inference remains a major challenge. To address this issue, we propose SUBLLM, short for Subsampling-Upsampling-Bypass…

计算与语言 · 计算机科学 2024-08-26 Quandong Wang , Yuxuan Yuan , Xiaoyu Yang , Ruike Zhang , Kang Zhao , Wei Liu , Jian Luan , Daniel Povey , Bin Wang

We look at the long-standing problem of segmenting unlabeled speech into word-like segments and clustering these into a lexicon. Several previous methods use a scoring model coupled with dynamic programming to find an optimal segmentation.…

音频与语音处理 · 电气工程与系统科学 2025-01-14 Simon Malan , Benjamin van Niekerk , Herman Kamper

Proteins adopt multiple structural conformations to perform their diverse biological functions, and understanding these conformations is crucial for advancing drug discovery. Traditional physics-based simulation methods often struggle with…

生物大分子 · 定量生物学 2025-03-14 Jiarui Lu , Xiaoyin Chen , Stephen Zhewen Lu , Chence Shi , Hongyu Guo , Yoshua Bengio , Jian Tang

We investigate the effective memory depth of RNN models by using them for $n$-gram language model (LM) smoothing. Experiments on a small corpus (UPenn Treebank, one million words of training data and 10k vocabulary) have found the LSTM cell…

计算与语言 · 计算机科学 2017-06-21 Ciprian Chelba , Mohammad Norouzi , Samy Bengio

Neural word segmentation research has benefited from large-scale raw texts by leveraging them for pretraining character and word embeddings. On the other hand, statistical segmentation research has exploited richer sources of external…

计算与语言 · 计算机科学 2017-05-01 Jie Yang , Yue Zhang , Fei Dong

The field of spoken language processing is undergoing a shift from training custom-built, task-specific models toward using and optimizing spoken language models (SLMs) which act as universal speech processing systems. This trend is similar…

Small Language Models (SLMs, or on-device LMs) have significantly fewer parameters than Large Language Models (LLMs). They are typically deployed on low-end devices, like mobile phones and single-board computers. Unlike LLMs, which rely on…

计算与语言 · 计算机科学 2025-06-17 Mingxue Xu , Yao Lei Xu , Danilo P. Mandic

We introduce SAM4MLLM, an innovative approach which integrates the Segment Anything Model (SAM) with Multi-Modal Large Language Models (MLLMs) for pixel-aware tasks. Our method enables MLLMs to learn pixel-level location information without…

人工智能 · 计算机科学 2024-12-17 Yi-Chia Chen , Wei-Hua Li , Cheng Sun , Yu-Chiang Frank Wang , Chu-Song Chen

In linguistics, a sememe is defined as the minimum semantic unit of languages. Sememe knowledge bases (KBs), which are built by manually annotating words with sememes, have been successfully applied to various NLP tasks. However, existing…

计算与语言 · 计算机科学 2022-03-16 Fanchao Qi , Chuancheng Lv , Zhiyuan Liu , Xiaojun Meng , Maosong Sun , Hai-Tao Zheng