English
Related papers

Related papers: Question Answering on Linked Data: Challenges and …

200 papers

Non-extractive commonsense QA remains a challenging AI task, as it requires systems to reason about, synthesize, and gather disparate pieces of information, in order to generate responses to queries. Recent approaches on such tasks show…

Computation and Language · Computer Science 2019-11-01 Kaixin Ma , Jonathan Francis , Quanyang Lu , Eric Nyberg , Alessandro Oltramari

Bar charts are an effective way to convey numeric information, but today's algorithms cannot parse them. Existing methods fail when faced with even minor variations in appearance. Here, we present DVQA, a dataset that tests many aspects of…

Computer Vision and Pattern Recognition · Computer Science 2018-03-30 Kushal Kafle , Brian Price , Scott Cohen , Christopher Kanan

Visual Question Answering (VQA) presents a unique challenge as it requires the ability to understand and encode the multi-modal inputs - in terms of image processing and natural language processing. The algorithm further needs to learn how…

Computer Vision and Pattern Recognition · Computer Science 2017-09-26 Supriya Pandhre , Shagun Sodhani

Question answering system can be seen as the next step in information retrieval, allowing users to pose question in natural language and receive compact answers. For the Question answering system to be successful, research has shown that…

Information Retrieval · Computer Science 2013-07-29 Renu Mudgal , Rosy Madaan , A. K. Sharma , Ashutosh Dixit

Methods for query answering over incomplete knowledge graphs retrieve entities that are likely to be answers, which is particularly useful when such answers cannot be reached by direct graph traversal due to missing edges. However, existing…

Artificial Intelligence · Computer Science 2026-05-25 Daniel Daza , Alberto Bernardi , Luca Costabello , Christophe Gueret , Masoud Mansoury , Michael Cochez , Martijn Schut

In spoken question answering, QA systems are designed to answer questions from contiguous text spans within the related speech transcripts. However, the most natural way that human seek or test their knowledge is via human conversations.…

Computation and Language · Computer Science 2020-10-20 Chenyu You , Nuo Chen , Fenglin Liu , Dongchao Yang , Yuexian Zou

Knowledge from diverse application domains is organized as knowledge graphs (KGs) that are stored in RDF engines accessible in the web via SPARQL endpoints. Expressing a well-formed SPARQL query requires information about the graph…

Artificial Intelligence · Computer Science 2023-08-10 Reham Omar , Ishika Dhall , Panos Kalnis , Essam Mansour

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…

Computation and Language · Computer Science 2024-12-06 Tilahun Abedissa Taffa , Debayan Banerjee , Yaregal Assabie , Ricardo Usbeck

Answering complex questions is a time-consuming activity for humans that requires reasoning and integration of information. Recent work on reading comprehension made headway in answering simple questions, but tackling complex questions is…

Computation and Language · Computer Science 2018-03-20 Alon Talmor , Jonathan Berant

Existing question answering methods infer answers either from a knowledge base or from raw text. While knowledge base (KB) methods are good at answering compositional questions, their performance is often affected by the incompleteness of…

Computation and Language · Computer Science 2017-04-28 Rajarshi Das , Manzil Zaheer , Siva Reddy , Andrew McCallum

Information needs are naturally represented as questions. Automatic Natural-Language Question Answering (NLQA) has only recently become a practical task on a larger scale and without domain constraints. This paper gives a brief introduction…

Computation and Language · Computer Science 2007-05-23 Jochen L. Leidner

Charts are very popular for analyzing data. When exploring charts, people often ask a variety of complex reasoning questions that involve several logical and arithmetic operations. They also commonly refer to visual features of a chart in…

Computation and Language · Computer Science 2022-03-22 Ahmed Masry , Do Xuan Long , Jia Qing Tan , Shafiq Joty , Enamul Hoque

Disfluencies is an under-studied topic in NLP, even though it is ubiquitous in human conversation. This is largely due to the lack of datasets containing disfluencies. In this paper, we present a new challenge question answering dataset,…

Computation and Language · Computer Science 2021-06-09 Aditya Gupta , Jiacheng Xu , Shyam Upadhyay , Diyi Yang , Manaal Faruqui

Question Generation (QG), as a challenging Natural Language Processing task, aims at generating questions based on given answers and context. Existing QG methods mainly focus on building or training models for specific QG datasets. These…

Computation and Language · Computer Science 2022-12-06 Wei Yuan , Hongzhi Yin , Tieke He , Tong Chen , Qiufeng Wang , Lizhen Cui

Knowledge graph (KG) is known to be helpful for the task of question answering (QA), since it provides well-structured relational information between entities, and allows one to further infer indirect facts. However, it is challenging to…

Machine Learning · Computer Science 2017-11-29 Yuyu Zhang , Hanjun Dai , Zornitsa Kozareva , Alexander J. Smola , Le Song

There are three problems existing in the popular data-to-text datasets. First, the large-scale datasets either contain noise or lack real application scenarios. Second, the datasets close to real applications are relatively small in size.…

Computation and Language · Computer Science 2023-06-21 Liang Li , Ruiying Geng , Chengyang Fang , Bing Li , Can Ma , Rongyu Cao , Binhua Li , Fei Huang , Yongbin Li

Medical question answer (QA) assistants respond to lay users' health-related queries by synthesizing information from multiple sources using natural language processing and related techniques. They can serve as vital tools to alleviate…

Computation and Language · Computer Science 2024-10-01 Prakash Chandra Sukhwal , Vaibhav Rajan , Atreyi Kankanhalli

In Web search, entity-seeking queries often trigger a special Question Answering (QA) system. It may use a parser to interpret the question to a structured query, execute that on a knowledge graph (KG), and return direct entity responses.…

Information Retrieval · Computer Science 2018-12-07 Uma Sawant , Saurabh Garg , Soumen Chakrabarti , Ganesh Ramakrishnan

Chart question answering (CQA) is a task used for assessing chart comprehension, which is fundamentally different from understanding natural images. CQA requires analyzing the relationships between the textual and the visual components of a…

Computer Vision and Pattern Recognition · Computer Science 2022-07-12 Matan Levy , Rami Ben-Ari , Dani Lischinski

In this paper, we focus on task-specific question answering (QA). To this end, we introduce a method for generating exhaustive and high-quality training data, which allows us to train compact (e.g., run on a mobile device), task-specific QA…

Computation and Language · Computer Science 2024-01-25 Hai X. Pham , Isma Hadji , Xinnuo Xu , Ziedune Degutyte , Jay Rainey , Evangelos Kazakos , Afsaneh Fazly , Georgios Tzimiropoulos , Brais Martinez
‹ Prev 1 8 9 10 Next ›