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Pre-trained text encoders have drawn sustaining attention in natural language processing (NLP) and shown their capability in obtaining promising results in different tasks. Recent studies illustrated that external self-supervised signals…

计算与语言 · 计算机科学 2021-05-05 Yan Song , Tong Zhang , Yonggang Wang , Kai-Fu Lee

Disentangling the encodings of neural models is a fundamental aspect for improving interpretability, semantic control and downstream task performance in Natural Language Processing. Currently, most disentanglement methods are unsupervised…

计算与语言 · 计算机科学 2023-02-17 Danilo S. Carvalho , Giangiacomo Mercatali , Yingji Zhang , Andre Freitas

A source code summary of a subroutine is a brief description of that subroutine. Summaries underpin a majority of documentation consumed by programmers, such as the method summaries in JavaDocs. Source code summarization is the task of…

软件工程 · 计算机科学 2021-07-27 Alexander LeClair , Aakash Bansal , Collin McMillan

Artificial intelligence (AI) for software engineering (SE) tasks has recently achieved promising performance. In this paper, we investigate to what extent the pre-trained language model truly understands those SE tasks such as code search,…

软件工程 · 计算机科学 2022-11-22 Yao Li , Tao Zhang , Xiapu Luo , Haipeng Cai , Sen Fang , Dawei Yuan

To what extent is the success of deep visualization due to the training? Could we do deep visualization using untrained, random weight networks? To address this issue, we explore new and powerful generative models for three popular deep…

计算机视觉与模式识别 · 计算机科学 2016-06-17 Kun He , Yan Wang , John Hopcroft

Neural network-based models augmented with unsupervised pre-trained knowledge have achieved impressive performance on text summarization. However, most existing evaluation methods are limited to an in-domain setting, where summarizers are…

计算与语言 · 计算机科学 2020-10-23 Yiran Chen , Pengfei Liu , Ming Zhong , Zi-Yi Dou , Danqing Wang , Xipeng Qiu , Xuanjing Huang

Existing models for extractive summarization are usually trained from scratch with a cross-entropy loss, which does not explicitly capture the global context at the document level. In this paper, we aim to improve this task by introducing…

计算与语言 · 计算机科学 2019-06-12 Hong Wang , Xin Wang , Wenhan Xiong , Mo Yu , Xiaoxiao Guo , Shiyu Chang , William Yang Wang

Do word embeddings converge to learn similar things over different initializations? How repeatable are experiments with word embeddings? Are all word embedding techniques equally reliable? In this paper we propose evaluating methods for…

计算与语言 · 计算机科学 2016-05-13 Yingtao Tian , Vivek Kulkarni , Bryan Perozzi , Steven Skiena

Sentence scoring and sentence selection are two main steps in extractive document summarization systems. However, previous works treat them as two separated subtasks. In this paper, we present a novel end-to-end neural network framework for…

计算与语言 · 计算机科学 2018-07-09 Qingyu Zhou , Nan Yang , Furu Wei , Shaohan Huang , Ming Zhou , Tiejun Zhao

In recent years, text summarization methods have attracted much attention again thanks to the researches on neural network models. Most of the current text summarization methods based on neural network models are supervised methods which…

计算与语言 · 计算机科学 2024-01-25 Dehao Tao , Yingzhu Xiong , Zhongliang Yang , Yongfeng Huang

Examining the effect of different encoding techniques on entity and context embeddings, the goal of this work is to challenge commonly used Ordinal encoding for tabular learning. Applying different preprocessing methods and network…

机器学习 · 计算机科学 2024-03-29 Fredy Reusser

The recent tremendous success of unsupervised word embeddings in a multitude of applications raises the obvious question if similar methods could be derived to improve embeddings (i.e. semantic representations) of word sequences as well. We…

计算与语言 · 计算机科学 2018-12-31 Matteo Pagliardini , Prakhar Gupta , Martin Jaggi

We present two novel and contrasting Recurrent Neural Network (RNN) based architectures for extractive summarization of documents. The Classifier based architecture sequentially accepts or rejects each sentence in the original document…

计算与语言 · 计算机科学 2017-01-05 Ramesh Nallapati , Bowen Zhou , Mingbo Ma

Generating a readable summary that describes the functionality of a program is known as source code summarization. In this task, learning code representation by modeling the pairwise relationship between code tokens to capture their…

软件工程 · 计算机科学 2020-05-05 Wasi Uddin Ahmad , Saikat Chakraborty , Baishakhi Ray , Kai-Wei Chang

Transformer models learn to encode and decode an input text, and produce contextual token embeddings as a side-effect. The mapping from language into the embedding space maps words expressing similar concepts onto points that are close in…

计算与语言 · 计算机科学 2025-09-03 Vivi Nastase , Paola Merlo

The task of automatic text summarization produces a concise and fluent text summary while preserving key information and overall meaning. Recent approaches to document-level summarization have seen significant improvements in recent years…

计算与语言 · 计算机科学 2022-12-07 Gonçalo Raposo , Afonso Raposo , Ana Sofia Carmo

Length generalization is the ability of language models to maintain performance on inputs longer than those seen during pretraining. In this work, we introduce a simple yet powerful position encoding (PE) strategy, Random Float Sampling…

机器学习 · 计算机科学 2026-02-17 Atsushi Shimizu , Shohei Taniguchi , Yutaka Matsuo

While Reinforcement Learning (RL) agents can successfully learn to handle complex tasks, effectively generalizing acquired skills to unfamiliar settings remains a challenge. One of the reasons behind this is the visual encoders used are…

计算机视觉与模式识别 · 计算机科学 2025-02-11 Yuhan Zhang , Guoqing Ma , Guangfu Hao , Liangxuan Guo , Yang Chen , Shan Yu

Sentence embeddings are commonly used in text clustering and semantic retrieval tasks. State-of-the-art sentence representation methods are based on artificial neural networks fine-tuned on large collections of manually labeled sentence…

计算与语言 · 计算机科学 2022-07-27 Sławomir Dadas

We present the surprising result that randomly initialized neural networks are good feature extractors in expectation. These random features correspond to finite-sample realizations of what we call Neural Network Prior Kernel (NNPK), which…

机器学习 · 计算机科学 2022-02-15 Ehsan Amid , Rohan Anil , Wojciech Kotłowski , Manfred K. Warmuth