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Question Answering (QA) systems are becoming the inspiring model for the future of search engines. While recently, underlying datasets for QA systems have been promoted from unstructured datasets to structured datasets with highly…

Existing Multimodal Large Language Models (MLLMs) and Visual Language Pretrained Models (VLPMs) have shown remarkable performances in the general Visual Question Answering (VQA). However, these models struggle with VQA questions that…

计算与语言 · 计算机科学 2024-11-06 Shuo Yang , Siwen Luo , Soyeon Caren Han

Recent advances in reading comprehension have resulted in models that surpass human performance when the answer is contained in a single, continuous passage of text. However, complex Question Answering (QA) typically requires multi-hop…

人工智能 · 计算机科学 2019-10-02 Mokanarangan Thayaparan , Marco Valentino , Viktor Schlegel , Andre Freitas

Misleading or false information has been creating chaos in some places around the world. To mitigate this issue, many researchers have proposed automated fact-checking methods to fight the spread of fake news. However, most methods cannot…

计算与语言 · 计算机科学 2024-10-08 Jing Yang , Didier Vega-Oliveros , Taís Seibt , Anderson Rocha

We present a comprehensive study of chart visual question-answering(QA) task, to address the challenges faced in comprehending and extracting data from chart visualizations within documents. Despite efforts to tackle this problem using…

计算机视觉与模式识别 · 计算机科学 2023-08-07 Saleem Ahmed , Bhavin Jawade , Shubham Pandey , Srirangaraj Setlur , Venu Govindaraju

Large Language Models (LLMs), while being increasingly dominant on a myriad of knowledge-intensive activities, have only had limited success understanding lengthy table-text mixtures, such as academic papers and financial reports. Recent…

计算与语言 · 计算机科学 2024-12-16 Yikang Pan , Yi Zhu , Rand Xie , Yizhi Liu

Existing Scholarly Question Answering (QA) methods typically target homogeneous data sources, relying solely on either text or Knowledge Graphs (KGs). However, scholarly information often spans heterogeneous sources, necessitating the…

计算与语言 · 计算机科学 2024-12-06 Tilahun Abedissa Taffa , Debayan Banerjee , Yaregal Assabie , Ricardo Usbeck

This paper introduces MedMCQA, a new large-scale, Multiple-Choice Question Answering (MCQA) dataset designed to address real-world medical entrance exam questions. More than 194k high-quality AIIMS \& NEET PG entrance exam MCQs covering…

计算与语言 · 计算机科学 2022-03-29 Ankit Pal , Logesh Kumar Umapathi , Malaikannan Sankarasubbu

Answering questions using pre-trained language models (LMs) and knowledge graphs (KGs) presents challenges in identifying relevant knowledge and performing joint reasoning.We compared LMs (fine-tuned for the task) with the previously…

计算与语言 · 计算机科学 2024-01-02 Shreyas Verma , Manoj Parmar , Palash Choudhary , Sanchita Porwal

Answering multiple-choice questions in a setting in which no supporting documents are explicitly provided continues to stand as a core problem in natural language processing. The contribution of this article is two-fold. First, it describes…

计算与语言 · 计算机科学 2019-11-15 George-Sebastian Pîrtoacă , Traian Rebedea , Stefan Ruseti

Automatic question generation can benefit many applications ranging from dialogue systems to reading comprehension. While questions are often asked with respect to long documents, there are many challenges with modeling such long documents.…

计算与语言 · 计算机科学 2019-10-24 Luu Anh Tuan , Darsh J Shah , Regina Barzilay

Tables are common and important in scientific documents, yet most text-based document search systems do not capture structures and semantics specific to tables. How to bridge different types of mismatch between keywords queries and…

信息检索 · 计算机科学 2017-07-13 Kyle Yingkai Gao , Jamie Callan

This paper focuses on how to take advantage of external relational knowledge to improve machine reading comprehension (MRC) with multi-task learning. Most of the traditional methods in MRC assume that the knowledge used to get the correct…

计算与语言 · 计算机科学 2019-09-06 Jiangnan Xia , Chen Wu , Ming Yan

Acquiring commonsense knowledge and reasoning is recognized as an important frontier in achieving general Artificial Intelligence (AI). Recent research in the Natural Language Processing (NLP) community has demonstrated significant progress…

人工智能 · 计算机科学 2021-01-20 Ke Shen , Mayank Kejriwal

While day-to-day questions come with a variety of answer types, the current question-answering (QA) literature has failed to adequately address the answer diversity of questions. To this end, we present GooAQ, a large-scale dataset with a…

计算与语言 · 计算机科学 2021-09-14 Daniel Khashabi , Amos Ng , Tushar Khot , Ashish Sabharwal , Hannaneh Hajishirzi , Chris Callison-Burch

Tables provide valuable knowledge that can be used to verify textual statements. While a number of works have considered table-based fact verification, direct alignments of tabular data with tokens in textual statements are rarely…

计算与语言 · 计算机科学 2021-09-10 Fei Wang , Kexuan Sun , Jay Pujara , Pedro Szekely , Muhao Chen

Concept maps can be used to concisely represent important information and bring structure into large document collections. Therefore, we study a variant of multi-document summarization that produces summaries in the form of concept maps.…

计算与语言 · 计算机科学 2017-07-24 Tobias Falke , Iryna Gurevych

Answer selection and knowledge base question answering (KBQA) are two important tasks of question answering (QA) systems. Existing methods solve these two tasks separately, which requires large number of repetitive work and neglects the…

计算与语言 · 计算机科学 2018-12-07 Yang Deng , Yuexiang Xie , Yaliang Li , Min Yang , Nan Du , Wei Fan , Kai Lei , Ying Shen

Most research in reading comprehension has focused on answering questions based on individual documents or even single paragraphs. We introduce a neural model which integrates and reasons relying on information spread within documents and…

计算与语言 · 计算机科学 2022-09-28 Nicola De Cao , Wilker Aziz , Ivan Titov

This paper proposes a novel architecture to generate multi-hop answers to open domain questions that require information from texts and tables, using the Open Table-and-Text Question Answering dataset for validation and training. One of the…