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Vector representations obtained from word embedding are the source of many groundbreaking advances in natural language processing. They yield word representations that are capable of capturing semantics and analogies of words within a text…

Computation and Language · Computer Science 2023-05-09 Didier Gohourou , Kazuhiro Kuwabara

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

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

Vector-space representations provide geometric tools for reasoning about the similarity of a set of objects and their relationships. Recent machine learning methods for deriving vector-space embeddings of words (e.g., word2vec) have…

Computation and Language · Computer Science 2017-06-12 Dawn Chen , Joshua C. Peterson , Thomas L. Griffiths

In this paper, we present a method for adversarial decomposition of text representation. This method can be used to decompose a representation of an input sentence into several independent vectors, each of them responsible for a specific…

Computation and Language · Computer Science 2019-04-11 Alexey Romanov , Anna Rumshisky , Anna Rogers , David Donahue

Distributed representations of sentences have become ubiquitous in natural language processing tasks. In this paper, we consider a continual learning scenario for sentence representations: Given a sequence of corpora, we aim to optimize the…

Machine Learning · Computer Science 2019-04-22 Tianlin Liu , Lyle Ungar , João Sedoc

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

Probabilistic word embeddings have shown effectiveness in capturing notions of generality and entailment, but there is very little work on doing the analogous type of investigation for sentences. In this paper we define probabilistic models…

Computation and Language · Computer Science 2020-05-19 Mingda Chen , Kevin Gimpel

We propose a selective encoding model to extend the sequence-to-sequence framework for abstractive sentence summarization. It consists of a sentence encoder, a selective gate network, and an attention equipped decoder. The sentence encoder…

Computation and Language · Computer Science 2017-07-31 Qingyu Zhou , Nan Yang , Furu Wei , Ming Zhou

Auto-encoders compress input data into a latent-space representation and reconstruct the original data from the representation. This latent representation is not easily interpreted by humans. In this paper, we propose training an…

Computation and Language · Computer Science 2018-10-09 Yau-Shian Wang , Hung-Yi Lee

We use paraphrases as a unique source of data to analyze contextualized embeddings, with a particular focus on BERT. Because paraphrases naturally encode consistent word and phrase semantics, they provide a unique lens for investigating…

Computation and Language · Computer Science 2022-07-13 Laura Burdick , Jonathan K. Kummerfeld , Rada Mihalcea

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

Pre-trained sentence representations are crucial for identifying significant sentences in unsupervised document extractive summarization. However, the traditional two-step paradigm of pre-training and sentence-ranking, creates a gap due to…

Computation and Language · Computer Science 2023-10-31 Qianren Mao , Shaobo Zhao , Jiarui Li , Xiaolei Gu , Shizhu He , Bo Li , Jianxin Li

Although much effort has recently been devoted to training high-quality sentence embeddings, we still have a poor understanding of what they are capturing. "Downstream" tasks, often based on sentence classification, are commonly used to…

Computation and Language · Computer Science 2018-07-10 Alexis Conneau , German Kruszewski , Guillaume Lample , Loïc Barrault , Marco Baroni

This paper introduces context algebras and demonstrates their application to combining logical and vector-based representations of meaning. Other approaches to this problem attempt to reproduce aspects of logical semantics within new…

Computation and Language · Computer Science 2011-11-08 Daoud Clarke

Word embeddings and language models have transformed natural language processing (NLP) by facilitating the representation of linguistic elements in continuous vector spaces. This review visits foundational concepts such as the…

Learned vector representations of words are useful tools for many information retrieval and natural language processing tasks due to their ability to capture lexical semantics. However, while many such tasks involve or even rely on named…

Computation and Language · Computer Science 2020-02-13 Satya Almasian , Andreas Spitz , Michael Gertz

Vector representation of sentences is important for many text processing tasks that involve clustering, classifying, or ranking sentences. Recently, distributed representation of sentences learned by neural models from unlabeled data has…

Computation and Language · Computer Science 2016-10-27 Tanay Kumar Saha , Shafiq Joty , Naeemul Hassan , Mohammad Al Hasan

Paragraph Vectors has been recently proposed as an unsupervised method for learning distributed representations for pieces of texts. In their work, the authors showed that the method can learn an embedding of movie review texts which can be…

Computation and Language · Computer Science 2015-07-30 Andrew M. Dai , Christopher Olah , Quoc V. Le

We present our method for tackling a legal case retrieval task by introducing our method of encoding documents by summarizing them into continuous vector space via our phrase scoring framework utilizing deep neural networks. On the other…

Computation and Language · Computer Science 2023-09-18 Vu Tran , Minh Le Nguyen , Satoshi Tojo , Ken Satoh