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Recently, generative adversarial networks have gained a lot of popularity for image generation tasks. However, such models are associated with complex learning mechanisms and demand very large relevant datasets. This work borrows concepts…

Machine Learning · Computer Science 2018-09-28 Shagan Sah , Chi Zhang , Thang Nguyen , Dheeraj Kumar Peri , Ameya Shringi , Raymond Ptucha

We study the use of a time series encoder to learn representations that are useful on data set types with which it has not been trained on. The encoder is formed of a convolutional neural network whose temporal output is summarized by a…

Machine Learning · Computer Science 2018-05-11 Joan Serrà , Santiago Pascual , Alexandros Karatzoglou

A lot of the recent success in natural language processing (NLP) has been driven by distributed vector representations of words trained on large amounts of text in an unsupervised manner. These representations are typically used as general…

Computation and Language · Computer Science 2018-04-03 Sandeep Subramanian , Adam Trischler , Yoshua Bengio , Christopher J Pal

Word embedding models offer continuous vector representations that can capture rich contextual semantics based on their word co-occurrence patterns. While these word vectors can provide very effective features used in many NLP tasks such as…

Computation and Language · Computer Science 2017-02-27 Cem Safak Sahin , Rajmonda S. Caceres , Brandon Oselio , William M. Campbell

In this paper, we present a multi-lingual sentence encoder that can be used in search engines as a query and document encoder. This embedding enables a semantic similarity score between queries and documents that can be an important feature…

Computation and Language · Computer Science 2021-06-16 Mahdi Hajiaghayi , Monir Hajiaghayi , Mark Bolin

Sentence representations can capture a wide range of information that cannot be captured by local features based on character or word N-grams. This paper examines the usefulness of universal sentence representations for evaluating the…

Computation and Language · Computer Science 2018-05-22 Hiroki Shimanaka , Tomoyuki Kajiwara , Mamoru Komachi

Sentence encoders, which produce sentence embeddings using neural networks, are typically evaluated by how well they transfer to downstream tasks. This includes semantic similarity, an important task in natural language understanding.…

Computation and Language · Computer Science 2018-11-02 Li Zhang , Steven R. Wilson , Rada Mihalcea

Dense vector representations for textual data are crucial in modern NLP. Word embeddings and sentence embeddings estimated from raw texts are key in achieving state-of-the-art results in various tasks requiring semantic understanding.…

Computation and Language · Computer Science 2023-07-06 Sonal Sannigrahi , Josef van Genabith , Cristina Espana-Bonet

Vector representations of sentences, trained on massive text corpora, are widely used as generic sentence embeddings across a variety of NLP problems. The learned representations are generally assumed to be continuous and real-valued,…

Computation and Language · Computer Science 2019-06-21 Dinghan Shen , Pengyu Cheng , Dhanasekar Sundararaman , Xinyuan Zhang , Qian Yang , Meng Tang , Asli Celikyilmaz , Lawrence Carin

We propose a framework to modularize the training of neural language models that use diverse forms of sentence-external context (including metadata) by eliminating the need to jointly train sentence-external and within-sentence encoders.…

Computation and Language · Computer Science 2024-02-09 Scott Novotney , Sreeparna Mukherjee , Zeeshan Ahmed , Andreas Stolcke

Learning distributed sentence representations is one of the key challenges in natural language processing. Previous work demonstrated that a recurrent neural network (RNNs) based sentence encoder trained on a large collection of annotated…

Computation and Language · Computer Science 2018-08-20 Wasi Uddin Ahmad , Xueying Bai , Zhechao Huang , Chao Jiang , Nanyun Peng , Kai-Wei Chang

Sentence encoders have indeed been shown to achieve superior performances for many downstream text-mining tasks and, thus, claimed to be fairly general. Inspired by this, we performed a detailed study on how to leverage these sentence…

Computation and Language · Computer Science 2023-04-18 Souvika Sarkar , Dongji Feng , Shubhra Kanti Karmaker Santu

Given vector representations for individual words, it is necessary to compute vector representations of sentences for many applications in a compositional manner, often using artificial neural networks. Relatively little work has explored…

Computation and Language · Computer Science 2018-10-18 Adly Templeton , Jugal Kalita

Lexical substitution is the task of generating meaningful substitutes for a word in a given textual context. Contextual word embedding models have achieved state-of-the-art results in the lexical substitution task by relying on contextual…

Machine Learning · Computer Science 2022-04-04 George Michalopoulos , Ian McKillop , Alexander Wong , Helen Chen

End-to-end neural machine translation has overtaken statistical machine translation in terms of translation quality for some language pairs, specially those with large amounts of parallel data. Besides this palpable improvement, neural…

Computation and Language · Computer Science 2017-11-16 Cristina España-Bonet , Ádám Csaba Varga , Alberto Barrón-Cedeño , Josef van Genabith

Techniques in which words are represented as vectors have proved useful in many applications in computational linguistics, however there is currently no general semantic formalism for representing meaning in terms of vectors. We present a…

Computation and Language · Computer Science 2015-03-17 Daoud Clarke

Computing universal distributed representations of sentences is a fundamental task in natural language processing. We propose a method to learn such representations by encoding the suffixes of word sequences in a sentence and training on…

Computation and Language · Computer Science 2018-03-01 Siddhartha Brahma

Sentence embeddings are an important component of many natural language processing (NLP) systems. Like word embeddings, sentence embeddings are typically learned on large text corpora and then transferred to various downstream tasks, such…

Computation and Language · Computer Science 2021-05-28 John Giorgi , Osvald Nitski , Bo Wang , Gary Bader

External knowledge is often useful for natural language understanding tasks. We introduce a contextual text representation model called Conceptual-Contextual (CC) embeddings, which incorporates structured knowledge into text…

Computation and Language · Computer Science 2020-03-13 Xiao Zhang , Dejing Dou , Ji Wu

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