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Related papers: A procedure for unsupervised lexicon learning

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We propose a method to learn unsupervised sentence representations in a non-compositional manner based on Generative Latent Optimization. Our approach does not impose any assumptions on how words are to be combined into a sentence…

Computation and Language · Computer Science 2019-08-14 Sidak Pal Singh , Angela Fan , Michael Auli

In this paper we propose a learning paradigm for the problem of understanding spoken language. The basis of the work is in a formalization of the understanding problem as a communication problem. This results in the definition of a…

cmp-lg · Computer Science 2008-02-03 Roberto Pieraccini , Esther Levin

There has been a growing demand for automated spoken language assessment systems in recent years. A standard pipeline for this process is to start with a speech recognition system and derive features, either hand-crafted or based on…

Audio and Speech Processing · Electrical Eng. & Systems 2022-11-17 Stefano Bannò , Kate M. Knill , Marco Matassoni , Vyas Raina , Mark J. F. Gales

Sentence summarization shortens given texts while maintaining core contents of the texts. Unsupervised approaches have been studied to summarize texts without human-written summaries. However, recent unsupervised models are extractive,…

Computation and Language · Computer Science 2022-12-22 Dongmin Hyun , Xiting Wang , Chanyoung Park , Xing Xie , Hwanjo Yu

Unsupervised sentence representation learning is one of the fundamental problems in natural language processing with various downstream applications. Recently, contrastive learning has been widely adopted which derives high-quality sentence…

Computation and Language · Computer Science 2023-05-29 Jiduan Liu , Jiahao Liu , Qifan Wang , Jingang Wang , Wei Wu , Yunsen Xian , Dongyan Zhao , Kai Chen , Rui Yan

The evaluative character of a word is called its semantic orientation. A positive semantic orientation implies desirability (e.g., "honest", "intrepid") and a negative semantic orientation implies undesirability (e.g., "disturbing",…

Machine Learning · Computer Science 2007-05-23 Peter D. Turney , Michael L. Littman

Most existing methods for automatic bilingual dictionary induction rely on prior alignments between the source and target languages, such as parallel corpora or seed dictionaries. For many language pairs, such supervised alignments are not…

Computation and Language · Computer Science 2018-03-26 Hanan Aldarmaki , Mahesh Mohan , Mona Diab

This work presents a method for visual text recognition without using any paired supervisory data. We formulate the text recognition task as one of aligning the conditional distribution of strings predicted from given text images, with…

Computer Vision and Pattern Recognition · Computer Science 2018-12-11 Ankush Gupta , Andrea Vedaldi , Andrew Zisserman

We consider the problem of fully unsupervised learning of grammatical (part-of-speech) categories from unlabeled text. The standard maximum-likelihood hidden Markov model for this task performs poorly, because of its weak inductive bias and…

Computation and Language · Computer Science 2014-01-24 João V. Graça , Kuzman Ganchev , Luisa Coheur , Fernando Pereira , Ben Taskar

In lexicon-based classification, documents are assigned labels by comparing the number of words that appear from two opposed lexicons, such as positive and negative sentiment. Creating such words lists is often easier than labeling…

Machine Learning · Computer Science 2016-11-22 Jacob Eisenstein

Cross-lingual word embeddings aim to capture common linguistic regularities of different languages, which benefit various downstream tasks ranging from machine translation to transfer learning. Recently, it has been shown that these…

Computation and Language · Computer Science 2018-11-02 Pengcheng Yang , Fuli Luo , Shuangzhi Wu , Jingjing Xu , Dongdong Zhang , Xu Sun

Unsupervised extractive document summarization aims to select important sentences from a document without using labeled summaries during training. Existing methods are mostly graph-based with sentences as nodes and edge weights measured by…

Computation and Language · Computer Science 2021-12-14 Shusheng Xu , Xingxing Zhang , Yi Wu , Furu Wei , Ming Zhou

We propose and study a novel supervised approach to learning statistical semantic relatedness models from subjectively annotated training examples. The proposed semantic model consists of parameterized co-occurrence statistics associated…

Computation and Language · Computer Science 2013-11-12 Ran El-Yaniv , David Yanay

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

We introduce the first unsupervised speech synthesis system based on a simple, yet effective recipe. The framework leverages recent work in unsupervised speech recognition as well as existing neural-based speech synthesis. Using only…

Sound · Computer Science 2022-04-21 Alexander H. Liu , Cheng-I Jeff Lai , Wei-Ning Hsu , Michael Auli , Alexei Baevski , James Glass

We present a system for bottom-up cumulative learning of myriad concepts corresponding to meaningful character strings, and their part-related and prediction edges. The learning is self-supervised in that the concepts discovered are used as…

Machine Learning · Computer Science 2021-12-20 Omid Madani

Current approaches to computational lexicology in language technology are knowledge-based (competence-oriented) and try to abstract away from specific formalisms, domains, and applications. This results in severe complexity, acquisition and…

cmp-lg · Computer Science 2008-02-03 Walter Daelemans

We propose an unsupervised method to obtain cross-lingual embeddings without any parallel data or pre-trained word embeddings. The proposed model, which we call multilingual neural language models, takes sentences of multiple languages as…

Computation and Language · Computer Science 2018-09-10 Takashi Wada , Tomoharu Iwata

To transcribe speech, automatic speech recognition systems use statistical methods, particularly hidden Markov model and N-gram models. Although these techniques perform well and lead to efficient systems, they approach their maximum…

Human-Computer Interaction · Computer Science 2016-08-16 Stéphane Huet , Pascale Sébillot , Guillaume Gravier

Unsupervised speech recognition is a task of training a speech recognition model with unpaired data. To determine when and how unsupervised speech recognition can succeed, and how classification error relates to candidate training…

Sound · Computer Science 2026-03-04 Zijian Yang , Jörg Barkoczi , Ralf Schlüter , Hermann Ney