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QA models based on pretrained language mod-els have achieved remarkable performance on various benchmark datasets.However, QA models do not generalize well to unseen data that falls outside the training distribution, due to distributional…

Computation and Language · Computer Science 2021-06-25 Seanie Lee , Minki Kang , Juho Lee , Sung Ju Hwang

Word Embeddings are used widely in multiple Natural Language Processing (NLP) applications. They are coordinates associated with each word in a dictionary, inferred from statistical properties of these words in a large corpus. In this paper…

Computation and Language · Computer Science 2020-06-18 Adam Sutton , Nello Cristianini

Pre-trained sentence embeddings have been shown to be very useful for a variety of NLP tasks. Due to the fact that training such embeddings requires a large amount of data, they are commonly trained on a variety of text data. An adaptation…

Computation and Language · Computer Science 2020-08-31 Anna Kruspe

Word embeddings predict a word from its neighbours by learning small, dense embedding vectors. In practice, this prediction corresponds to a semantic score given to the predicted word (or term weight). We present a novel model that, given a…

Information Retrieval · Computer Science 2019-06-04 Casper Hansen , Christian Hansen , Stephen Alstrup , Jakob Grue Simonsen , Christina Lioma

Traditional machine learning assumes that training and test sets are derived from the same distribution; however, this assumption does not always hold in practical applications. This distribution disparity can lead to severe performance…

Machine Learning · Computer Science 2025-02-18 Ahmad Chaddad , Yihang Wu , Yuchen Jiang , Ahmed Bouridane , Christian Desrosiers

Deep learning-based semantic segmentation methods have an intrinsic limitation that training a model requires a large amount of data with pixel-level annotations. To address this challenging issue, many researchers give attention to…

Computer Vision and Pattern Recognition · Computer Science 2019-09-04 Jaehoon Choi , Taekyung Kim , Changick Kim

Tradition tweet classification models for crisis response focus on convolutional layers and domain-specific word embeddings. In this paper, we study the application of different neural networks with general-purpose and domain-specific word…

Computation and Language · Computer Science 2019-03-27 Reem ALRashdi , Simon O'Keefe

In this paper, we propose Dynamic Self-Attention (DSA), a new self-attention mechanism for sentence embedding. We design DSA by modifying dynamic routing in capsule network (Sabouretal.,2017) for natural language processing. DSA attends to…

Machine Learning · Computer Science 2018-08-23 Deunsol Yoon , Dongbok Lee , SangKeun Lee

We propose associative domain adaptation, a novel technique for end-to-end domain adaptation with neural networks, the task of inferring class labels for an unlabeled target domain based on the statistical properties of a labeled source…

Computer Vision and Pattern Recognition · Computer Science 2017-08-04 Philip Haeusser , Thomas Frerix , Alexander Mordvintsev , Daniel Cremers

Semantic embeddings play a crucial role in natural language-based information retrieval. Embedding models represent words and contexts as vectors whose spatial configuration is derived from the distribution of words in large text corpora.…

Computation and Language · Computer Science 2024-01-09 Silvan David Peter , Shreyan Chowdhury , Carlos Eduardo Cancino-Chacón , Gerhard Widmer

When performing Polarity Detection for different words in a sentence, we need to look at the words around to understand the sentiment. Massively pretrained language models like BERT can encode not only just the words in a document but also…

Computation and Language · Computer Science 2020-11-25 Natesh Reddy , Pranaydeep Singh , Muktabh Mayank Srivastava

We experiment with two recent contextualized word embedding methods (ELMo and BERT) in the context of open-domain argument search. For the first time, we show how to leverage the power of contextualized word embeddings to classify and…

Computation and Language · Computer Science 2019-06-25 Nils Reimers , Benjamin Schiller , Tilman Beck , Johannes Daxenberger , Christian Stab , Iryna Gurevych

Text embedding models play a cornerstone role in AI applications, such as retrieval-augmented generation (RAG). While general-purpose text embedding models demonstrate strong performance on generic retrieval benchmarks, their effectiveness…

Information Retrieval · Computer Science 2025-10-22 Yubai Wei , Jiale Han , Yi Yang

Word embeddings are trained to predict word cooccurrence statistics, which leads them to possess different lexical properties (syntactic, semantic, etc.) depending on the notion of context defined at training time. These properties manifest…

Computation and Language · Computer Science 2020-11-06 Jingyi He , KC Tsiolis , Kian Kenyon-Dean , Jackie Chi Kit Cheung

This paper learns multi-modal embeddings from text, audio, and video views/modes of data in order to improve upon down-stream sentiment classification. The experimental framework also allows investigation of the relative contributions of…

Information Retrieval · Computer Science 2019-07-23 Zhongkai Sun , Prathusha K Sarma , William Sethares , Erik P. Bucy

Understanding the meaning of words is crucial for many tasks that involve human-machine interaction. This has been tackled by research in Word Sense Disambiguation (WSD) in the Natural Language Processing (NLP) field. Recently, WSD and many…

Computation and Language · Computer Science 2020-02-26 María G. Buey , Carlos Bobed , Jorge Gracia , Eduardo Mena

Attention-based neural models were employed to detect the different aspects and sentiment polarities of the same target in targeted aspect-based sentiment analysis (TABSA). However, existing methods do not specifically pre-train reasonable…

Computation and Language · Computer Science 2019-06-18 Bin Liang , Jiachen Du , Ruifeng Xu , Binyang Li , Hejiao Huang

Applying machine learning algorithms to large-scale, text-based corpora (embeddings) presents a unique opportunity to investigate at scale how human semantic knowledge is organized and how people use it to judge fundamental relationships,…

Computation and Language · Computer Science 2020-07-17 Marius Cătălin Iordan , Tyler Giallanza , Cameron T. Ellis , Nicole M. Beckage , Jonathan D. Cohen

In natural language the intended meaning of a word or phrase is often implicit and depends on the context. In this work, we propose a simple yet effective method for sentiment analysis using contextual embeddings and a self-attention…

Computation and Language · Computer Science 2020-10-07 Katarzyna Biesialska , Magdalena Biesialska , Henryk Rybinski

This paper presents a new technique for creating monolingual and cross-lingual meta-embeddings. Our method integrates multiple word embeddings created from complementary techniques, textual sources, knowledge bases and languages. Existing…

Computation and Language · Computer Science 2021-09-09 Iker García-Ferrero , Rodrigo Agerri , German Rigau