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Complementary to finding good general word embeddings, an important question for representation learning is to find dynamic word embeddings, e.g., across time or domain. Current methods do not offer a way to use or predict information on…

计算与语言 · 计算机科学 2022-10-12 Stephanie Brandl , David Lassner , Anne Baillot , Shinichi Nakajima

Natural language processing (NLP) tasks tend to suffer from a paucity of suitably annotated training data, hence the recent success of transfer learning across a wide variety of them. The typical recipe involves: (i) training a deep,…

计算与语言 · 计算机科学 2019-09-11 Lyan Verwimp , Jerome R. Bellegarda

Recent progress in language modeling has been driven not only by advances in neural architectures, but also through hardware and optimization improvements. In this paper, we revisit the neural probabilistic language model (NPLM)…

计算与语言 · 计算机科学 2021-04-09 Simeng Sun , Mohit Iyyer

Word Representations form the core component for almost all advanced Natural Language Processing (NLP) applications such as text mining, question-answering, and text summarization, etc. Over the last two decades, immense research is…

计算与语言 · 计算机科学 2020-12-02 Shree Charran R , Rahul Kumar Dubey

Sentence embeddings encode sentences in fixed dense vectors and have played an important role in various NLP tasks and systems. Methods for building sentence embeddings include unsupervised learning such as Quick-Thoughts and supervised…

计算与语言 · 计算机科学 2021-06-10 Danqi Liao

Tasks related to Natural Language Processing (NLP) have recently been the focus of a large research endeavor by the machine learning community. The increased interest in this area is mainly due to the success of deep learning methods.…

计算与语言 · 计算机科学 2020-04-30 Luca Manzoni , Domagoj Jakobovic , Luca Mariot , Stjepan Picek , Mauro Castelli

We consider probabilistic topic models and more recent word embedding techniques from a perspective of learning hidden semantic representations. Inspired by a striking similarity of the two approaches, we merge them and learn probabilistic…

计算与语言 · 计算机科学 2017-11-15 Anna Potapenko , Artem Popov , Konstantin Vorontsov

Sentence pair modeling is critical for many NLP tasks, such as paraphrase identification, semantic textual similarity, and natural language inference. Most state-of-the-art neural models for these tasks rely on pretrained word embedding and…

计算与语言 · 计算机科学 2018-05-23 Wuwei Lan , Wei Xu

Sentence embedding tasks are important in natural language processing (NLP), but improving their performance while keeping them reliable is still hard. This paper presents a framework that combines pseudo-label generation and model ensemble…

计算与语言 · 计算机科学 2025-01-28 Ziwei Liu , Qi Zhang , Lifu Gao

Inferring the probability distribution of sentences or word sequences is a key process in natural language processing. While word-level language models (LMs) have been widely adopted for computing the joint probabilities of word sequences,…

计算与语言 · 计算机科学 2021-03-16 Heewoong Park , Sukhyun Cho , Jonghun Park

Semantic word embeddings represent the meaning of a word via a vector, and are created by diverse methods. Many use nonlinear operations on co-occurrence statistics, and have hand-tuned hyperparameters and reweighting methods. This paper…

机器学习 · 计算机科学 2019-06-21 Sanjeev Arora , Yuanzhi Li , Yingyu Liang , Tengyu Ma , Andrej Risteski

Word embeddings are a fundamental tool in natural language processing. Currently, word embedding methods are evaluated on the basis of empirical performance on benchmark data sets, and there is a lack of rigorous understanding of their…

统计方法学 · 统计学 2023-01-18 Neil Dey , Matthew Singer , Jonathan P. Williams , Srijan Sengupta

Understanding human language has been a sub-challenge on the way of intelligent machines. The study of meaning in natural language processing (NLP) relies on the distributional hypothesis where language elements get meaning from the words…

计算与语言 · 计算机科学 2021-10-06 Erhan Sezerer , Selma Tekir

As a fundamental task in Information Retrieval and Computational Linguistics, sentence representation has profound implications for a wide range of practical applications such as text clustering, content analysis, question-answering…

计算与语言 · 计算机科学 2025-05-02 Bowen Zhang , Zixin Song , Chunping Li

Neural networks have excelled at many NLP tasks, but there remain open questions about the performance of pretrained distributed word representations and their interaction with weight initialization and other hyperparameters. We address…

计算与语言 · 计算机科学 2017-10-06 Ignacio Cases , Minh-Thang Luong , Christopher Potts

There have been many successful applications of sentence embedding methods. However, it has not been well understood what properties are captured in the resulting sentence embeddings depending on the supervision signals. In this paper, we…

计算与语言 · 计算机科学 2022-06-13 Hayato Tsukagoshi , Ryohei Sasano , Koichi Takeda

Expressive text encoders such as RNNs and Transformer Networks have been at the center of NLP models in recent work. Most of the effort has focused on sentence-level tasks, capturing the dependencies between words in a single sentence, or…

计算与语言 · 计算机科学 2021-09-15 Manuel Widmoser , Maria Leonor Pacheco , Jean Honorio , Dan Goldwasser

Uncontextualized word embeddings are reliable feature representations of words used to obtain high quality results for various NLP applications. Given the historical success of word embeddings in NLP, we propose a retrospective on some of…

计算与语言 · 计算机科学 2019-12-02 Edward Newell , Kian Kenyon-Dean , Jackie Chi Kit Cheung

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…

计算与语言 · 计算机科学 2018-04-03 Sandeep Subramanian , Adam Trischler , Yoshua Bengio , Christopher J Pal

Word embedding methods revolve around learning continuous distributed vector representations of words with neural networks, which can capture semantic and/or syntactic cues, and in turn be used to induce similarity measures among words,…

计算与语言 · 计算机科学 2016-07-25 Kuan-Yu Chen , Shih-Hung Liu , Berlin Chen , Hsin-Min Wang , Hsin-Hsi Chen