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A lot of work has been done in the field of image compression via machine learning, but not much attention has been given to the compression of natural language. Compressing text into lossless representations while making features easily…

Computation and Language · Computer Science 2019-08-05 Gabriele Prato , Mathieu Duchesneau , Sarath Chandar , Alain Tapp

Keyphrase extraction (KPE) automatically extracts phrases in a document that provide a concise summary of the core content, which benefits downstream information retrieval and NLP tasks. Previous state-of-the-art (SOTA) methods select…

Computation and Language · Computer Science 2023-03-01 Linhan Zhang , Qian Chen , Wen Wang , Chong Deng , Shiliang Zhang , Bing Li , Wei Wang , Xin Cao

In this paper we propose the application of feature hashing to create word embeddings for natural language processing. Feature hashing has been used successfully to create document vectors in related tasks like document classification. In…

Computation and Language · Computer Science 2017-04-18 Luis Argerich , Joaquín Torré Zaffaroni , Matías J Cano

Sentence representation at the semantic level is a challenging task for Natural Language Processing and Artificial Intelligence. Despite the advances in word embeddings (i.e. word vector representations), capturing sentence meaning is an…

The thresholded feature has recently emerged as an extremely efficient, yet rough empirical approximation, of the time-consuming sparse coding inference process. Such an approximation has not yet been rigorously examined, and standard…

Computer Vision and Pattern Recognition · Computer Science 2019-02-20 Hongyu Xu , Zhangyang Wang , Haichuan Yang , Ding Liu , Ji Liu

Query-aware webpage snippet extraction is widely used in search engines to help users better understand the content of the returned webpages before clicking. Although important, it is very rarely studied. In this paper, we propose an…

Artificial Intelligence · Computer Science 2022-10-28 Jingwei Yi , Fangzhao Wu , Chuhan Wu , Xiaolong Huang , Binxing Jiao , Guangzhong Sun , Xing Xie

Unconstrained text recognition is a stimulating field in the branch of pattern recognition. This field is still an open search due to the unlimited vocabulary, multi styles, mixed-font and their great morphological variability. Recent…

Computer Vision and Pattern Recognition · Computer Science 2019-07-22 Najoua Rahal , Maroua Tounsi , Adel M. Alimi

The advent of representation learning methods enabled large performance gains on various language tasks, alleviating the need for manual feature engineering. While engineered representations are usually based on some linguistic…

Computation and Language · Computer Science 2018-10-17 Ahmad Taie , Raphael Rubino , Josef van Genabith

Learning an encoding of feature vectors in terms of an over-complete dictionary or a information geometric (Fisher vectors) construct is wide-spread in statistical signal processing and computer vision. In content based information…

Information Retrieval · Computer Science 2017-11-15 B Sengupta , E Vasquez , Y Qian

The exponential increase in academic papers has significantly increased the time required for researchers to access relevant literature. Keyphrase Extraction (KPE) offers a solution to this situation by enabling researchers to efficiently…

Computation and Language · Computer Science 2025-05-21 Chengzhi Zhang , Xinyi Yan , Lei Zhao , Yingyi Zhang

Keyphrase extraction from documents is useful to a variety of applications such as information retrieval and document summarization. This paper presents an end-to-end method called DivGraphPointer for extracting a set of diversified…

Computation and Language · Computer Science 2019-05-21 Zhiqing Sun , Jian Tang , Pan Du , Zhi-Hong Deng , Jian-Yun Nie

In this paper, we present a novel integrated approach for keyphrase generation (KG). Unlike previous works which are purely extractive or generative, we first propose a new multi-task learning framework that jointly learns an extractive…

Computation and Language · Computer Science 2019-04-09 Wang Chen , Hou Pong Chan , Piji Li , Lidong Bing , Irwin King

State-of-the-art keyphrase generation methods generally depend on large annotated datasets, limiting their performance in domains with limited annotated data. To overcome this challenge, we design a data-oriented approach that first…

Computation and Language · Computer Science 2022-10-25 Di Wu , Wasi Uddin Ahmad , Sunipa Dev , Kai-Wei Chang

Pre-trained large language models can perform natural language processing downstream tasks by conditioning on human-designed prompts. However, a prompt-based approach often requires "prompt engineering" to design different prompts,…

Computation and Language · Computer Science 2024-05-28 Mingyang Song , Yi Feng , Liping Jing

The use of subword-level information (e.g., characters, character n-grams, morphemes) has become ubiquitous in modern word representation learning. Its importance is attested especially for morphologically rich languages which generate a…

Computation and Language · Computer Science 2019-05-07 Yi Zhu , Ivan Vulić , Anna Korhonen

Micro-Expression Recognition has become challenging, as it is extremely difficult to extract the subtle facial changes of micro-expressions. Recently, several approaches proposed several expression-shared features algorithms for…

Computer Vision and Pattern Recognition · Computer Science 2021-01-14 Ling Zhou , Qirong Mao , Xiaohua Huang , Feifei Zhang , Zhihong Zhang

This paper proposes a text summarization approach for factual reports using a deep learning model. This approach consists of three phases: feature extraction, feature enhancement, and summary generation, which work together to assimilate…

Computation and Language · Computer Science 2019-01-10 Sukriti Verma , Vagisha Nidhi

Meta-learning is increasingly used to support the recommendation of machine learning algorithms and their configurations. Such recommendations are made based on meta-data, consisting of performance evaluations of algorithms on prior…

The widespread use of charts and infographics as a means of data visualization in various domains has inspired recent research in automated chart understanding. However, information extraction from chart images is a complex multitasked…

Computer Vision and Pattern Recognition · Computer Science 2024-08-30 Osama Mustafa , Muhammad Khizer Ali , Momina Moetesum , Imran Siddiqi

Keyphrase generation refers to the task of producing a set of words or phrases that summarises the content of a document. Continuous efforts have been dedicated to this task over the past few years, spreading across multiple lines of…

Information Retrieval · Computer Science 2025-06-13 Florian Boudin , Akiko Aizawa