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Open domain Question Answering (QA) systems must interact with external knowledge sources, such as web pages, to find relevant information. Information sources like Wikipedia, however, are not well structured and difficult to utilize in…

Computation and Language · Computer Science 2017-03-28 Yusuke Watanabe , Bhuwan Dhingra , Ruslan Salakhutdinov

Automatic keyword extraction from academic papers is a key area of interest in natural language processing and information retrieval. Although previous research has mainly focused on utilizing abstract and references for keyword extraction,…

Information Retrieval · Computer Science 2026-04-22 Yi Xiang , Chengzhi Zhang

Visual Question Answering (VQA) requires integration of feature maps with drastically different structures and focus of the correct regions. Image descriptors have structures at multiple spatial scales, while lexical inputs inherently…

Computer Vision and Pattern Recognition · Computer Science 2018-07-20 Yang Shi , Tommaso Furlanello , Sheng Zha , Animashree Anandkumar

We publicly release a new large-scale dataset, called SearchQA, for machine comprehension, or question-answering. Unlike recently released datasets, such as DeepMind CNN/DailyMail and SQuAD, the proposed SearchQA was constructed to reflect…

Computation and Language · Computer Science 2017-06-13 Matthew Dunn , Levent Sagun , Mike Higgins , V. Ugur Guney , Volkan Cirik , Kyunghyun Cho

In this paper, we consider the problem of machine reading task when the questions are in the form of keywords, rather than natural language. In recent years, researchers have achieved significant success on machine reading comprehension…

Computation and Language · Computer Science 2017-11-02 Boyuan Pan , Hao Li , Zhou Zhao , Deng Cai , Xiaofei He

This paper revisits visual representation in knowledge-based visual question answering (VQA) and demonstrates that using regional information in a better way can significantly improve the performance. While visual representation is…

Computer Vision and Pattern Recognition · Computer Science 2022-10-11 Yuanze Lin , Yujia Xie , Dongdong Chen , Yichong Xu , Chenguang Zhu , Lu Yuan

The task of Outside Knowledge Visual Question Answering (OKVQA) requires an automatic system to answer natural language questions about pictures and images using external knowledge. We observe that many visual questions, which contain…

Artificial Intelligence · Computer Science 2022-02-10 Jiawen Zhang , Abhijit Mishra , Avinesh P. V. S , Siddharth Patwardhan , Sachin Agarwal

In this paper, a supervised learning technique for extracting keyphrases of Arabic documents is presented. The extractor is supplied with linguistic knowledge to enhance its efficiency instead of relying only on statistical information such…

Computation and Language · Computer Science 2012-03-22 Tarek El-shishtawy , Abdulwahab Al-sammak

Visual Question Answering (VQA) deep-learning systems tend to capture superficial statistical correlations in the training data because of strong language priors and fail to generalize to test data with a significantly different…

Computer Vision and Pattern Recognition · Computer Science 2020-01-01 Jialin Wu , Raymond J. Mooney

Visual question answering (VQA) is challenging not only because the model has to handle multi-modal information, but also because it is just so hard to collect sufficient training examples -- there are too many questions one can ask about…

Computer Vision and Pattern Recognition · Computer Science 2022-11-10 Jihyung Kil , Cheng Zhang , Dong Xuan , Wei-Lun Chao

The search for prior art is crucial in patent application processing, it consists in retrieving other documents relevant to the invention of the application. Most methods feed a search engine with keywords that are extracted by…

Information Retrieval · Computer Science 2024-07-12 Julien Rossi

Rich and dense human labeled datasets are among the main enabling factors for the recent advance on vision-language understanding. Many seemingly distant annotations (e.g., semantic segmentation and visual question answering (VQA)) are…

Computer Vision and Pattern Recognition · Computer Science 2017-08-17 Chuang Gan , Yandong Li , Haoxiang Li , Chen Sun , Boqing Gong

We propose an unsupervised method for sentence summarization using only language modeling. The approach employs two language models, one that is generic (i.e. pretrained), and the other that is specific to the target domain. We show that by…

Computation and Language · Computer Science 2019-08-01 Jiawei Zhou , Alexander M. Rush

This paper introduces speech-based visual question answering (VQA), the task of generating an answer given an image and a spoken question. Two methods are studied: an end-to-end, deep neural network that directly uses audio waveforms as…

Computation and Language · Computer Science 2017-09-19 Ted Zhang , Dengxin Dai , Tinne Tuytelaars , Marie-Francine Moens , Luc Van Gool

Question-answering (QA) is an important application of Information Retrieval (IR) and language models, and the latest trend is toward pre-trained large neural networks with embedding parameters. Augmenting QA performances with these LLMs…

Information Retrieval · Computer Science 2024-11-05 Lixiao Yang , Mengyang Xu , Weimao Ke

Text-based VQA is a challenging task that requires machines to use scene texts in given images to yield the most appropriate answer for the given question. The main challenge of text-based VQA is exploiting the meaning and information from…

Computer Vision and Pattern Recognition · Computer Science 2024-10-25 Nghia Hieu Nguyen , Tho Thanh Quan , Ngan Luu-Thuy Nguyen

Document-based Visual Question Answering examines the document understanding of document images in conditions of natural language questions. We proposed a new document-based VQA dataset, PDF-VQA, to comprehensively examine the document…

Computer Vision and Pattern Recognition · Computer Science 2023-06-07 Yihao Ding , Siwen Luo , Hyunsuk Chung , Soyeon Caren Han

Visual question answering (VQA) is a task of answering a visual question that is a pair of question and image. Some visual questions are ambiguous and some are clear, and it may be appropriate to change the ambiguity of questions from…

Computer Vision and Pattern Recognition · Computer Science 2020-12-02 Kento Terao , Toru Tamaki , Bisser Raytchev , Kazufumi Kaneda , Shun'ichi Satoh

Keyphrases efficiently summarize a document's content and are used in various document processing and retrieval tasks. Several unsupervised techniques and classifiers exist for extracting keyphrases from text documents. Most of these…

Computation and Language · Computer Science 2016-08-04 Sujatha Das Gollapalli , Xiao-li Li

Emotion cause extraction aims to identify the reasons behind a certain emotion expressed in text. It is a much more difficult task compared to emotion classification. Inspired by recent advances in using deep memory networks for question…

Computation and Language · Computer Science 2017-09-26 Lin Gui , Jiannan Hu , Yulan He , Ruifeng Xu , Qin Lu , Jiachen Du