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Related papers: Lexically Grounded Subword Segmentation

200 papers

Cross-lingual word embeddings aim to bridge the gap between high-resource and low-resource languages by allowing to learn multilingual word representations even without using any direct bilingual signal. The lion's share of the methods are…

Computation and Language · Computer Science 2020-09-03 Magdalena Biesialska , Marta R. Costa-jussà

Neural models with minimal feature engineering have achieved competitive performance against traditional methods for the task of Chinese word segmentation. However, both training and working procedures of the current neural models are…

Computation and Language · Computer Science 2017-04-25 Deng Cai , Hai Zhao , Zhisong Zhang , Yuan Xin , Yongjian Wu , Feiyue Huang

Transformer-based pre-trained language models are vocabulary-dependent, mapping by default each token to its corresponding embedding. This one-to-one mapping results into embedding matrices that occupy a lot of memory (i.e. millions of…

Computation and Language · Computer Science 2022-11-01 Huiyin Xue , Nikolaos Aletras

Unsupervised spoken term discovery consists of two tasks: finding the acoustic segment boundaries and labeling acoustically similar segments with the same labels. We perform segmentation based on the assumption that the frame feature…

Audio and Speech Processing · Electrical Eng. & Systems 2020-07-28 Saurabhchand Bhati , Jesús Villalba , Piotr Żelasko , Najim Dehak

Subword tokenization is an essential part of modern large language models (LLMs), yet its specific contributions to training efficiency and model performance remain poorly understood. In this work, we decouple the effects of subword…

Computation and Language · Computer Science 2026-05-15 Théo Gigant , Bowen Peng , Jeffrey Quesnelle

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…

Computation and Language · Computer Science 2024-10-16 Enora Rice , Ali Marashian , Luke Gessler , Alexis Palmer , Katharina von der Wense

Large pretrained language models (LMs) have become the central building block of many NLP applications. Training these models requires ever more computational resources and most of the existing models are trained on English text only. It is…

Computation and Language · Computer Science 2022-09-13 Benjamin Minixhofer , Fabian Paischer , Navid Rekabsaz

We propose a segmental neural language model that combines the generalization power of neural networks with the ability to discover word-like units that are latent in unsegmented character sequences. In contrast to previous segmentation…

Computation and Language · Computer Science 2019-06-19 Kazuya Kawakami , Chris Dyer , Phil Blunsom

Subword tokenization is a commonly used input pre-processing step in most recent NLP models. However, it limits the models' ability to leverage end-to-end task learning. Its frequency-based vocabulary creation compromises tokenization in…

Computation and Language · Computer Science 2022-04-25 Md Mofijul Islam , Gustavo Aguilar , Pragaash Ponnusamy , Clint Solomon Mathialagan , Chengyuan Ma , Chenlei Guo

We develop and test a novel unsupervised algorithm for word sense induction and disambiguation which uses topological data analysis. Typical approaches to the problem involve clustering, based on simple low level features of distance in…

Computation and Language · Computer Science 2022-03-02 Michael Rawson , Samuel Dooley , Mithun Bharadwaj , Rishabh Choudhary

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

We address the problem of phrase grounding by lear ing a multi-level common semantic space shared by the textual and visual modalities. We exploit multiple levels of feature maps of a Deep Convolutional Neural Network, as well as…

Computer Vision and Pattern Recognition · Computer Science 2019-05-31 Hassan Akbari , Svebor Karaman , Surabhi Bhargava , Brian Chen , Carl Vondrick , Shih-Fu Chang

We propose an approach to semantic segmentation that achieves state-of-the-art supervised performance when applied in a zero-shot setting. It thus achieves results equivalent to those of the supervised methods, on each of the major semantic…

Computer Vision and Pattern Recognition · Computer Science 2024-05-01 Wei Yin , Yifan Liu , Chunhua Shen , Baichuan Sun , Anton van den Hengel

There is rising interest in vector-space word embeddings and their use in NLP, especially given recent methods for their fast estimation at very large scale. Nearly all this work, however, assumes a single vector per word type ignoring…

Computation and Language · Computer Science 2015-04-28 Arvind Neelakantan , Jeevan Shankar , Alexandre Passos , Andrew McCallum

In lexical semantics, full-sentence segmentation and segment labeling of various phenomena are generally treated separately, despite their interdependence. We hypothesize that a unified lexical semantic recognition task is an effective way…

Computation and Language · Computer Science 2021-06-09 Nelson F. Liu , Daniel Hershcovich , Michael Kranzlein , Nathan Schneider

Cross-lingual transfer of word embeddings aims to establish the semantic mappings among words in different languages by learning the transformation functions over the corresponding word embedding spaces. Successfully solving this problem…

Computation and Language · Computer Science 2018-09-12 Ruochen Xu , Yiming Yang , Naoki Otani , Yuexin Wu

Tokenization is a foundational step in natural language processing (NLP) tasks, bridging raw text and language models. Existing tokenization approaches like Byte-Pair Encoding (BPE) originate from the field of data compression, and it has…

Computation and Language · Computer Science 2024-10-08 Craig W. Schmidt , Varshini Reddy , Haoran Zhang , Alec Alameddine , Omri Uzan , Yuval Pinter , Chris Tanner

Morphologically rich languages often lack the annotated linguistic resources required to develop accurate natural language processing tools. We propose models suitable for training morphological taggers with rich tagsets for low-resource…

Computation and Language · Computer Science 2016-06-15 Jan Buys , Jan A. Botha

Recent studies on direct speech translation show continuous improvements by means of data augmentation techniques and bigger deep learning models. While these methods are helping to close the gap between this new approach and the more…

Computation and Language · Computer Science 2020-09-11 Mattia Antonino Di Gangi , Marco Gaido , Matteo Negri , Marco Turchi

We propose a new type of representation learning method that models words, phrases and sentences seamlessly. Our method does not depend on word segmentation and any human-annotated resources (e.g., word dictionaries), yet it is very…

Computation and Language · Computer Science 2019-05-30 Geewook Kim , Kazuki Fukui , Hidetoshi Shimodaira