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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…

Information Retrieval · Computer Science 2016-02-17 Saeedeh Shekarpour , Denis Lukovnikov , Ashwini Jaya Kumar , Kemele Endris , Kuldeep Singh , Harsh Thakkar , Christoph Lange

Question Answering (QA) is key for making possible a robust communication between human and machine. Modern language models used for QA have surpassed the human-performance in several essential tasks; however, these models require large…

Computation and Language · Computer Science 2021-09-08 Liubov Nikolenko , Pouya Rezazadeh Kalehbasti

Open-domain Question Answering models which directly leverage question-answer (QA) pairs, such as closed-book QA (CBQA) models and QA-pair retrievers, show promise in terms of speed and memory compared to conventional models which retrieve…

Computation and Language · Computer Science 2021-02-16 Patrick Lewis , Yuxiang Wu , Linqing Liu , Pasquale Minervini , Heinrich Küttler , Aleksandra Piktus , Pontus Stenetorp , Sebastian Riedel

In this paper we propose a novel approach towards improving the efficiency of Question Answering (QA) systems by filtering out questions that will not be answered by them. This is based on an interesting new finding: the answer confidence…

Computation and Language · Computer Science 2021-09-16 Siddhant Garg , Alessandro Moschitti

Question Answering (QA) is a task in natural language processing that has seen considerable growth after the advent of transformers. There has been a surge in QA datasets that have been proposed to challenge natural language processing…

Computation and Language · Computer Science 2021-10-08 Kate Pearce , Tiffany Zhan , Aneesh Komanduri , Justin Zhan

Question Answering (QA) systems require a large amount of annotated data which is costly and time-consuming to gather. Converting datasets of existing QA benchmarks are challenging due to different formats and complexities. To address these…

Computation and Language · Computer Science 2022-10-14 Saptarashmi Bandyopadhyay , Shraman Pal , Hao Zou , Abhranil Chandra , Jordan Boyd-Graber

Recent approaches to Open-domain Question Answering refer to an external knowledge base using a retriever model, optionally rerank passages with a separate reranker model and generate an answer using another reader model. Despite performing…

Computation and Language · Computer Science 2022-10-31 Haejun Lee , Akhil Kedia , Jongwon Lee , Ashwin Paranjape , Christopher D. Manning , Kyoung-Gu Woo

A question answering (QA) system is a type of conversational AI that generates natural language answers to questions posed by human users. QA systems often form the backbone of interactive dialogue systems, and have been studied extensively…

Software Engineering · Computer Science 2021-01-12 Aakash Bansal , Zachary Eberhart , Lingfei Wu , Collin McMillan

Open domain conversational agents can answer a broad range of targeted queries. However, the sequential nature of interaction with these systems makes knowledge exploration a lengthy task which burdens the user with asking a chain of well…

Computation and Language · Computer Science 2023-02-23 Christopher Richardson , Sudipta Kar , Anjishnu Kumar , Anand Ramachandran , Omar Zia Khan , Zeynab Raeesy , Abhinav Sethy

The usage and amount of information available on the internet increase over the past decade. This digitization leads to the need for automated answering system to extract fruitful information from redundant and transitional knowledge…

Computation and Language · Computer Science 2022-02-03 Hariom A. Pandya , Brijesh S. Bhatt

Large Scale Question-Answering systems today are widely used in downstream applications such as chatbots and conversational dialogue agents. Typically, such systems consist of an Answer Passage retrieval layer coupled with Machine…

Information Retrieval · Computer Science 2021-11-02 Harsh Kohli

This work aims to address the problem of image-based question-answering (QA) with new models and datasets. In our work, we propose to use neural networks and visual semantic embeddings, without intermediate stages such as object detection…

Machine Learning · Computer Science 2015-12-01 Mengye Ren , Ryan Kiros , Richard Zemel

A question-answering (QA) system is to search suitable answers within a knowledge base. Current QA systems struggle with queries requiring complex reasoning or real-time knowledge integration. They are often supplemented with retrieval…

Computation and Language · Computer Science 2025-05-21 Sizhe Yuen , Ting Su , Ziyang Wang , Yali Du , Adam J. Sobey

Building a deep learning model for a Question-Answering (QA) task requires a lot of human effort, it may need several months to carefully tune various model architectures and find a best one. It's even harder to find different excellent…

Computation and Language · Computer Science 2022-01-27 Sinan Tan , Hui Xue , Qiyu Ren , Huaping Liu , Jing Bai

Question answering over knowledge bases (KBQA) has become a popular approach to help users extract information from knowledge bases. Although several systems exist, choosing one suitable for a particular application scenario is difficult.…

Computation and Language · Computer Science 2022-11-16 Khiem Vinh Tran , Hao Phu Phan , Khang Nguyen Duc Quach , Ngan Luu-Thuy Nguyen , Jun Jo , Thanh Tam Nguyen

The recent explosion of question answering (QA) datasets and models has increased the interest in the generalization of models across multiple domains and formats by either training on multiple datasets or by combining multiple models.…

Computation and Language · Computer Science 2023-02-08 Haritz Puerto , Gözde Gül Şahin , Iryna Gurevych

Retrieval augmented language models have recently become the standard for knowledge intensive tasks. Rather than relying purely on latent semantics within the parameters of large neural models, these methods enlist a semi-parametric memory…

Computation and Language · Computer Science 2023-01-24 Wenhu Chen , Pat Verga , Michiel de Jong , John Wieting , William Cohen

Automatic question-answering is a classical problem in natural language processing, which aims at designing systems that can automatically answer a question, in the same way as human does. In this work, we propose a deep learning based…

Computation and Language · Computer Science 2017-08-08 Shervin Minaee , Zhu Liu

Tables extracted from web documents can be used to directly answer many web search queries. Previous works on question answering (QA) using web tables have focused on factoid queries, i.e., those answerable with a short string like person…

Information Retrieval · Computer Science 2020-01-13 Kaushik Chakrabarti , Zhimin Chen , Siamak Shakeri , Guihong Cao

Recent advances in tabular question answering (QA) with large language models are constrained in their coverage and only answer questions over a single table. However, real-world queries are complex in nature, often over multiple tables in…

Computation and Language · Computer Science 2023-08-09 Vaishali Pal , Andrew Yates , Evangelos Kanoulas , Maarten de Rijke
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