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Besides the text content, documents and their associated words usually come with rich sets of meta informa- tion, such as categories of documents and semantic/syntactic features of words, like those encoded in word embeddings. Incorporating…

Computation and Language · Computer Science 2017-09-20 He Zhao , Lan Du , Wray Buntine , Gang Liu

Sentiment analysis is one of the well-known tasks and fast growing research areas in natural language processing (NLP) and text classifications. This technique has become an essential part of a wide range of applications including politics,…

Computation and Language · Computer Science 2017-11-27 Seyed Mahdi Rezaeinia , Ali Ghodsi , Rouhollah Rahmani

This project intends to study the image representation based on attention mechanism and multimodal data. By adding multiple pattern layers to the attribute model, the semantic and hidden layers of image content are integrated. The word…

Computation and Language · Computer Science 2024-06-14 Dan Sun , Yaxin Liang , Yining Yang , Yuhan Ma , Qishi Zhan , Erdi Gao

Node embedding is the task of extracting concise and informative representations of certain entities that are connected in a network. Various real-world networks include information about both node connectivity and certain node attributes,…

Social and Information Networks · Computer Science 2022-02-24 Charilaos I. Kanatsoulis , Nicholas D. Sidiropoulos

Topic Modeling is an approach used for automatic comprehension and classification of data in a variety of settings, and perhaps the canonical application is in uncovering thematic structure in a corpus of documents. A number of foundational…

Machine Learning · Computer Science 2012-04-13 Sanjeev Arora , Rong Ge , Ankur Moitra

Sentence embedding is an important research topic in natural language processing (NLP) since it can transfer knowledge to downstream tasks. Meanwhile, a contextualized word representation, called BERT, achieves the state-of-the-art…

Computation and Language · Computer Science 2020-06-02 Bin Wang , C. -C. Jay Kuo

Network representation aims to represent the nodes in a network as continuous and compact vectors, and has attracted much attention in recent years due to its ability to capture complex structure relationships inside networks. However,…

Social and Information Networks · Computer Science 2018-11-30 Ruiqi Hu , Celina Ping Yu , Sai-Fu Fung , Shirui Pan , Haishuai Wang , Guodong Long

Distributional text clustering delivers semantically informative representations and captures the relevance between each word and semantic clustering centroids. We extend the neural text clustering approach to text classification tasks by…

Computation and Language · Computer Science 2020-11-25 Yekun Chai , Haidong Zhang , Shuo Jin

Text embedding representing natural language documents in a semantic vector space can be used for document retrieval using nearest neighbor lookup. In order to study the feasibility of neural models specialized for retrieval in a…

Information Retrieval · Computer Science 2019-05-03 Tolgahan Cakaloglu , Christian Szegedy , Xiaowei Xu

One of the main computational and scientific challenges in the modern age is to extract useful information from unstructured texts. Topic models are one popular machine-learning approach which infers the latent topical structure of a…

Machine Learning · Statistics 2018-07-20 Martin Gerlach , Tiago P. Peixoto , Eduardo G. Altmann

Learning social media data embedding by deep models has attracted extensive research interest as well as boomed a lot of applications, such as link prediction, classification, and cross-modal search. However, for social images which contain…

Multimedia · Computer Science 2017-10-19 Feiran Huang , Xiaoming Zhang , Zhoujun Li , Tao Mei , Yueying He , Zhonghua Zhao

We propose a Bayesian generative model for incorporating prior domain knowledge into hierarchical topic modeling. Although embedded topic models (ETMs) and its variants have gained promising performance in text analysis, they mainly focus…

Computation and Language · Computer Science 2022-09-29 Dongsheng Wang , Yishi Xu , Miaoge Li , Zhibin Duan , Chaojie Wang , Bo Chen , Mingyuan Zhou

Most existing multi-document machine reading comprehension models mainly focus on understanding the interactions between the input question and documents, but ignore following two kinds of understandings. First, to understand the semantic…

Computation and Language · Computer Science 2022-04-08 Feiliang Ren , Yongkang Liu , Bochao Li , Zhibo Wang , Yu Guo , Shilei Liu , Huimin Wu , Jiaqi Wang , Chunchao Liu , Bingchao Wang

Graph Neural Networks (GNNs) that capture the relationships between graph nodes via message passing have been a hot research direction in the natural language processing community. In this paper, we propose Graph Topic Model (GTM), a GNN…

Computation and Language · Computer Science 2020-09-30 Deyu Zhou , Xuemeng Hu , Rui Wang

In this paper, we study the problem of author identification under double-blind review setting, which is to identify potential authors given information of an anonymized paper. Different from existing approaches that rely heavily on feature…

Machine Learning · Computer Science 2016-12-20 Ting Chen , Yizhou Sun

Network embedding is a very important method for network data. However, most of the algorithms can only deal with static networks. In this paper, we propose an algorithm Recurrent Neural Network Embedding (RNNE) to deal with dynamic…

Machine Learning · Computer Science 2020-07-01 Haiwei Huang , Jinlong Li , Huimin He , Huanhuan Chen

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

With the advent of word embeddings, lexicons are no longer fully utilized for sentiment analysis although they still provide important features in the traditional setting. This paper introduces a novel approach to sentiment analysis that…

Computation and Language · Computer Science 2017-08-24 Bonggun Shin , Timothy Lee , Jinho D. Choi

This paper proposes a general interpretable predictive system with shared information. The system is able to perform predictions in a multi-task setting where distinct tasks are not bound to have the same input/output structure. Embeddings…

Machine Learning · Computer Science 2024-07-02 Maciej Żelaszczyk , Jacek Mańdziuk

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…

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