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In order to maximize the applicability of sentiment analysis results, it is necessary to not only classify the overall sentiment (positive/negative) of a given document but also to identify the main words that contribute to the…

计算与语言 · 计算机科学 2017-10-02 Gichang Lee , Jaeyun Jeong , Seungwan Seo , CzangYeob Kim , Pilsung Kang

Deep Gaussian processes (DGPs), a hierarchical composition of GP models, have successfully boosted the expressive power of their single-layer counterpart. However, it is impossible to perform exact inference in DGPs, which has motivated the…

机器学习 · 计算机科学 2021-05-27 Haibin Yu , Dapeng Liu , Yizhou Chen , Bryan Kian Hsiang Low , Patrick Jaillet

Collaborative reasoning for understanding image-question pairs is a very critical but underexplored topic in interpretable visual question answering systems. Although very recent studies have attempted to use explicit compositional…

计算机视觉与模式识别 · 计算机科学 2019-12-30 Qingxing Cao , Bailin Li , Xiaodan Liang , Liang Lin

There have been many advances in the artificial intelligence field due to the emergence of deep learning. In almost all sub-fields, artificial neural networks have reached or exceeded human-level performance. However, most of the models are…

计算与语言 · 计算机科学 2021-03-19 Reza Marzban , Christopher John Crick

Dimension reduction of high-dimensional microbiome data facilitates subsequent analysis such as regression and clustering. Most existing reduction methods cannot fully accommodate the special features of the data such as count-valued and…

统计方法学 · 统计学 2023-05-02 Tianchen Xu , Ryan T. Demmer , Gen Li

The goal of sentence and document modeling is to accurately represent the meaning of sentences and documents for various Natural Language Processing tasks. In this work, we present Dependency Sensitive Convolutional Neural Networks (DSCNN)…

计算与语言 · 计算机科学 2016-11-09 Rui Zhang , Honglak Lee , Dragomir Radev

We propose a novel non-parametric/un-trainable language model, named Non-Parametric Pairwise Attention Random Walk Model (NoPPA), to generate sentence embedding only with pre-trained word embedding and pre-counted word frequency. To the…

计算与语言 · 计算机科学 2023-02-28 Xuansheng Wu , Zhiyi Zhao , Ninghao Liu

This paper proposes a tree-based convolutional neural network (TBCNN) for discriminative sentence modeling. Our models leverage either constituency trees or dependency trees of sentences. The tree-based convolution process extracts…

计算与语言 · 计算机科学 2015-06-03 Lili Mou , Hao Peng , Ge Li , Yan Xu , Lu Zhang , Zhi Jin

Effective question classification is crucial for AI-driven educational tools, enabling adaptive learning systems to categorize questions by skill area, difficulty level, and competence. It not only supports educational diagnostics and…

计算与语言 · 计算机科学 2025-06-30 Junyoung Lee , Ninad Dixit , Kaustav Chakrabarti , S. Supraja

Commonsense knowledge-graphs (CKGs) are important resources towards building machines that can 'reason' on text or environmental inputs and make inferences beyond perception. While current CKGs encode world knowledge for a large number of…

计算与语言 · 计算机科学 2022-12-19 Shantanu Jaiswal , Liu Yan , Dongkyu Choi , Kenneth Kwok

We present a new Convolutional Neural Network (CNN) model for text classification that jointly exploits labels on documents and their component sentences. Specifically, we consider scenarios in which annotators explicitly mark sentences (or…

计算与语言 · 计算机科学 2016-09-27 Ye Zhang , Iain Marshall , Byron C. Wallace

The goal of this work is to bring semantics into the tasks of text recognition and retrieval in natural images. Although text recognition and retrieval have received a lot of attention in recent years, previous works have focused on…

计算机视觉与模式识别 · 计算机科学 2015-09-22 Albert Gordo , Jon Almazan , Naila Murray , Florent Perronnin

We seek to semantically describe a set of images, capturing both the attributes of single images and the variations within the set. Our procedure is analogous to Principle Component Analysis, in which the role of projection vectors is…

计算机视觉与模式识别 · 计算机科学 2022-10-24 Oded Hupert , Idan Schwartz , Lior Wolf

In this paper we introduce Principal Filter Analysis (PFA), an easy to use and effective method for neural network compression. PFA exploits the correlation between filter responses within network layers to recommend a smaller network that…

计算机视觉与模式识别 · 计算机科学 2019-12-12 Xavier Suau , Luca Zappella , Nicholas Apostoloff

Most recent approaches use the sequence-to-sequence model for paraphrase generation. The existing sequence-to-sequence model tends to memorize the words and the patterns in the training dataset instead of learning the meaning of the words.…

计算与语言 · 计算机科学 2018-04-02 Shuming Ma , Xu Sun , Wei Li , Sujian Li , Wenjie Li , Xuancheng Ren

We present a Bayesian non-negative tensor factorization model for count-valued tensor data, and develop scalable inference algorithms (both batch and online) for dealing with massive tensors. Our generative model can handle overdispersed…

机器学习 · 统计学 2015-08-19 Changwei Hu , Piyush Rai , Changyou Chen , Matthew Harding , Lawrence Carin

In recent years, with the development of quantum machine learning, quantum neural networks (QNNs) have gained increasing attention in the field of natural language processing (NLP) and have achieved a series of promising results. However,…

量子物理 · 物理学 2024-05-24 Yixiong Chen , Weichuan Fang

Current state-of-the-art nonparametric Bayesian text clustering methods model documents through multinomial distribution on bags of words. Although these methods can effectively utilize the word burstiness representation of documents and…

机器学习 · 计算机科学 2018-12-03 Tiehang Duan , Qi Lou , Sargur N. Srihari , Xiaohui Xie

We introduce PGF-Net (Progressive Gated-Fusion Network), a novel deep learning framework designed for efficient and interpretable multimodal sentiment analysis. Our framework incorporates three primary innovations. Firstly, we propose a…

机器学习 · 计算机科学 2025-08-25 Bin Wen , Tien-Ping Tan

Probabilistic context-free grammars (PCFGs), which are commonly used to generate trees randomly, have been well analyzed theoretically, leading to applications in various domains. Despite their utility, the distributions that the grammar…

无序系统与神经网络 · 物理学 2024-08-30 Kai Nakaishi , Koji Hukushima