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Beam search is an effective and widely used decoding algorithm in many sequence-to-sequence (seq2seq) text generation tasks. However, in open-ended text generation, beam search is often found to produce repetitive and generic texts,…

计算与语言 · 计算机科学 2020-05-25 Liang Wang , Jinlong Liu , Jingming Liu

Textbook question answering (TQA) is a complex task, requiring the interpretation of complex multimodal context. Although recent advances have improved overall performance, they often encounter difficulties in educational settings where…

信息检索 · 计算机科学 2025-05-21 Hessa Alawwad , Usman Naseem , Areej Alhothali , Ali Alkhathlan , Amani Jamal

Text classification is one of the most important and fundamental tasks in natural language processing. Performance of this task mainly dependents on text representation learning. Currently, most existing learning frameworks mainly focus on…

计算与语言 · 计算机科学 2020-02-26 Xien Liu , Song Wang , Xiao Zhang , Xinxin You , Ji Wu , Dejing Dou

Label-free reinforcement learning enables large language models to improve reasoning capabilities without ground-truth supervision, typically by treating majority-voted answers as pseudo-labels. However, we identify a critical failure mode:…

计算与语言 · 计算机科学 2026-03-24 Teng Pan , Yuchen Yan , Zixuan Wang , Ruiqing Zhang , Guiyang Hou , Wenqi Zhang , Weiming Lu , Jun Xiao , Yongliang Shen

We propose Lib2Vec, a novel self-supervised framework to efficiently learn meaningful vector representations of library cells, enabling ML models to capture essential cell semantics. The framework comprises three key components: (1) an…

机器学习 · 计算机科学 2025-04-01 Rongjian Liang , Yi-Chen Lu , Wen-Hao Liu , Haoxing Ren

Word2vec is one of the most used algorithms to generate word embeddings because of a good mix of efficiency, quality of the generated representations and cognitive grounding. However, word meaning is not static and depends on the context in…

人工智能 · 计算机科学 2020-04-15 Federico Bianchi , Valerio Di Carlo , Paolo Nicoli , Matteo Palmonari

Objects are usually associated with multiple attributes, and these attributes often exhibit high correlations. Modeling complex relationships between attributes poses a great challenge for multi-attribute learning. This paper proposes a…

计算机视觉与模式识别 · 计算机科学 2022-07-19 Wanhua Li , Zhexuan Cao , Jianjiang Feng , Jie Zhou , Jiwen Lu

This paper presents a new semi-supervised framework with convolutional neural networks (CNNs) for text categorization. Unlike the previous approaches that rely on word embeddings, our method learns embeddings of small text regions from…

机器学习 · 统计学 2015-11-03 Rie Johnson , Tong Zhang

The eXtreme Multi-label text Classification(XMC) refers to training a classifier that assigns a text sample with relevant labels from an extremely large-scale label set (e.g., millions of labels). We propose MatchXML, an efficient…

计算与语言 · 计算机科学 2024-03-12 Hui Ye , Rajshekhar Sunderraman , Shihao Ji

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…

计算与语言 · 计算机科学 2016-10-27 Tanay Kumar Saha , Shafiq Joty , Naeemul Hassan , Mohammad Al Hasan

In this technical report, we propose an algorithm, called Lex2vec that exploits lexical resources to inject information into word embeddings and name the embedding dimensions by means of knowledge bases. We evaluate the optimal parameters…

计算与语言 · 计算机科学 2021-07-13 Fabio Celli

Existing methods for vision-and-language learning typically require designing task-specific architectures and objectives for each task. For example, a multi-label answer classifier for visual question answering, a region scorer for…

计算与语言 · 计算机科学 2021-05-25 Jaemin Cho , Jie Lei , Hao Tan , Mohit Bansal

Distributed word representations have been demonstrated to be effective in capturing semantic and syntactic regularities. Unsupervised representation learning from large unlabeled corpora can learn similar representations for those words…

计算与语言 · 计算机科学 2015-12-01 Chunting Zhou , Chonglin Sun , Zhiyuan Liu , Francis C. M. Lau

We propose a novel generative model to explore both local and global context for joint learning topics and topic-specific word embeddings. In particular, we assume that global latent topics are shared across documents, a word is generated…

计算与语言 · 计算机科学 2020-08-12 Lixing Zhu , Yulan He , Deyu Zhou

We introduce a method to provide vectorial representations of visual classification tasks which can be used to reason about the nature of those tasks and their relations. Given a dataset with ground-truth labels and a loss function defined…

We present an efficient document representation learning framework, Document Vector through Corruption (Doc2VecC). Doc2VecC represents each document as a simple average of word embeddings. It ensures a representation generated as such…

计算与语言 · 计算机科学 2017-07-11 Minmin Chen

A currently successful approach to computational semantics is to represent words as embeddings in a machine-learned vector space. We present an ensemble method that combines embeddings produced by GloVe (Pennington et al., 2014) and…

计算与语言 · 计算机科学 2019-12-20 Robyn Speer , Joshua Chin

As the amount of textual data has been rapidly increasing over the past decade, efficient similarity search methods have become a crucial component of large-scale information retrieval systems. A popular strategy is to represent original…

信息检索 · 计算机科学 2017-08-14 Suthee Chaidaroon , Yi Fang

We propose a meta-learning method for semi-supervised learning that learns from multiple tasks with heterogeneous attribute spaces. The existing semi-supervised meta-learning methods assume that all tasks share the same attribute space,…

机器学习 · 计算机科学 2023-11-10 Tomoharu Iwata , Atsutoshi Kumagai

In this paper, we propose a novel deep neural network architecture, Speech2Vec, for learning fixed-length vector representations of audio segments excised from a speech corpus, where the vectors contain semantic information pertaining to…

计算与语言 · 计算机科学 2018-06-12 Yu-An Chung , James Glass