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Linguistic analysis of language models is one of the ways to explain and describe their reasoning, weaknesses, and limitations. In the probing part of the model interpretability research, studies concern individual languages as well as…

Computation and Language · Computer Science 2022-10-25 Oleg Serikov , Vitaly Protasov , Ekaterina Voloshina , Viktoria Knyazkova , Tatiana Shavrina

In this paper, we present a supervised framework for automatic keyword extraction from single document. We model the text as complex network, and construct the feature set by extracting select node properties from it. Several node…

Information Retrieval · Computer Science 2019-09-27 Swagata Duari , Vasudha Bhatnagar

This paper is a deep investigation of cross-language plagiarism detection methods on a new recently introduced open dataset, which contains parallel and comparable collections of documents with multiple characteristics (different genres,…

Computation and Language · Computer Science 2017-05-25 Jeremy Ferrero , Laurent Besacier , Didier Schwab , Frederic Agnes

Speaker identification, determining which character said each utterance in literary text, benefits many downstream tasks. Most existing approaches use expert-defined rules or rule-based features to directly approach this task, but these…

Computation and Language · Computer Science 2022-10-13 Ben Zhou , Dian Yu , Dong Yu , Dan Roth

We show that state-of-the-art self-supervised language models can be readily used to extract relations from a corpus without the need to train a fine-tuned extractive head. We introduce RE-Flex, a simple framework that performs constrained…

Computation and Language · Computer Science 2020-10-15 Ankur Goswami , Akshata Bhat , Hadar Ohana , Theodoros Rekatsinas

Bilingual lexicons and phrase tables are critical resources for modern Machine Translation systems. Although recent results show that without any seed lexicon or parallel data, highly accurate bilingual lexicons can be learned using…

Computation and Language · Computer Science 2020-09-01 Ashiqur R. KhudaBukhsh , Shriphani Palakodety , Tom M. Mitchell

Cross-lingual retrieval aims to retrieve relevant text across languages. Current methods typically achieve cross-lingual retrieval by learning language-agnostic text representations in word or sentence level. However, how to learn phrase…

Computation and Language · Computer Science 2022-04-20 Heqi Zheng , Xiao Zhang , Zewen Chi , Heyan Huang , Tan Yan , Tian Lan , Wei Wei , Xian-Ling Mao

Open relation extraction is the task of extracting open-domain relation facts from natural language sentences. Existing works either utilize heuristics or distant-supervised annotations to train a supervised classifier over pre-defined…

Computation and Language · Computer Science 2020-10-07 Xuming Hu , Chenwei Zhang , Yusong Xu , Lijie Wen , Philip S. Yu

Existing models of multilingual sentence embeddings require large parallel data resources which are not available for low-resource languages. We propose a novel unsupervised method to derive multilingual sentence embeddings relying only on…

Computation and Language · Computer Science 2021-05-24 Ivana Kvapilıkova , Mikel Artetxe , Gorka Labaka , Eneko Agirre , Ondřej Bojar

Supervised topic models are often sought to balance prediction quality and interpretability. However, when models are (inevitably) misspecified, standard approaches rarely deliver on both. We introduce a novel approach, the…

Machine Learning · Computer Science 2020-03-04 Jason Ren , Russell Kunes , Finale Doshi-Velez

Embedding based methods are widely used for unsupervised keyphrase extraction (UKE) tasks. Generally, these methods simply calculate similarities between phrase embeddings and document embedding, which is insufficient to capture different…

Computation and Language · Computer Science 2021-09-16 Xinnian Liang , Shuangzhi Wu , Mu Li , Zhoujun Li

Exploiting cognates for transfer learning in under-resourced languages is an exciting opportunity for language understanding tasks, including unsupervised machine translation, named entity recognition and information retrieval. Previous…

Computation and Language · Computer Science 2023-11-10 Koustava Goswami , Priya Rani , Theodorus Fransen , John P. McCrae

Offensive language detection is a crucial task in today's digital landscape, where online platforms grapple with maintaining a respectful and inclusive environment. However, building robust offensive language detection models requires large…

Computation and Language · Computer Science 2024-07-31 Elena-Beatrice Nicola , Dumitru-Clementin Cercel , Florin Pop

Formal language techniques have been used in the past to study autonomous dynamical systems. However, for controlled systems, new features are needed to distinguish between information generated by the system and input control. We show how…

Computation and Language · Computer Science 2007-05-23 J. F. Martins , J. A. Dente , A. J. Pires , R. Vilela Mendes

This study addresses unsupervised subword modeling, i.e., learning acoustic feature representations that can distinguish between subword units of a language. We propose a two-stage learning framework that combines self-supervised learning…

Audio and Speech Processing · Electrical Eng. & Systems 2021-06-08 Siyuan Feng , Odette Scharenborg

We propose a new fast fully unsupervised method to discover semantic patterns. Our algorithm is able to hierarchically find visual categories and produce a segmentation mask where previous methods fail. Through the modeling of what is a…

Computer Vision and Pattern Recognition · Computer Science 2021-02-25 Francesco Pelosin , Andrea Gasparetto , Andrea Albarelli , Andrea Torsello

In settings where only unlabelled speech data is available, speech technology needs to be developed without transcriptions, pronunciation dictionaries, or language modelling text. A similar problem is faced when modelling infant language…

Computation and Language · Computer Science 2016-03-10 Herman Kamper , Aren Jansen , Sharon Goldwater

Offline handwriting recognition (HWR) has improved significantly with the advent of deep learning architectures in recent years. Nevertheless, it remains a challenging problem and practical applications often rely on post-processing…

Computer Vision and Pattern Recognition · Computer Science 2023-09-20 Andrey Totev , Tomas Ward

Integrating visual features has been proved useful for natural language understanding tasks. Nevertheless, in most existing multimodal language models, the alignment of visual and textual data is expensive. In this paper, we propose a novel…

Computation and Language · Computer Science 2020-08-14 Lisai Zhang , Qingcai Chen , Dongfang Li , Buzhou Tang

Bilingual lexicon induction, translating words from the source language to the target language, is a long-standing natural language processing task. Recent endeavors prove that it is promising to employ images as pivot to learn the lexicon…

Computation and Language · Computer Science 2019-06-04 Shizhe Chen , Qin Jin , Alexander Hauptmann