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Efficient knowledge management plays a pivotal role in augmenting both the operational efficiency and the innovative capacity of businesses and organizations. By indexing knowledge through vectorization, a variety of knowledge retrieval…

Computation and Language · Computer Science 2024-04-23 Feihu Jiang , Chuan Qin , Kaichun Yao , Chuyu Fang , Fuzhen Zhuang , Hengshu Zhu , Hui Xiong

Pretrained language models have been suggested as a possible alternative or complement to structured knowledge bases. However, this emerging LM-as-KB paradigm has so far only been considered in a very limited setting, which only allows…

Computation and Language · Computer Science 2021-04-23 Benjamin Heinzerling , Kentaro Inui

Understanding the meaning of a text is a fundamental challenge of natural language understanding (NLU) and from its early days, it has received significant attention through question answering (QA) tasks. We introduce a general…

Artificial Intelligence · Computer Science 2020-09-23 Kinjal Basu , Sarat Chandra Varanasi , Farhad Shakerin , Gopal Gupta

Knowledge Graph Question Answering (KGQA) simplifies querying vast amounts of knowledge stored in a graph-based model using natural language. However, the research has largely concentrated on English, putting non-English speakers at a…

Computation and Language · Computer Science 2024-07-09 Nikit Srivastava , Mengshi Ma , Daniel Vollmers , Hamada Zahera , Diego Moussallem , Axel-Cyrille Ngonga Ngomo

In the present paper, we argue that Terminological Knowledge Bases (TKB) are all the more useful for addressing various needs as they do not fulfill formal criteria. Moreover, they intend to clarify the terminology of a given domain by…

Artificial Intelligence · Computer Science 2023-02-17 Patrick Séguéla , Nathalie Aussenac-Gilles

We present an open source math-aware Question Answering System based on Ask Platypus. Our system returns as a single mathematical formula for a natural language question in English or Hindi. This formulae originate from the knowledge-base…

Information Retrieval · Computer Science 2019-07-04 Moritz Schubotz , Philipp Scharpf , Kaushal Dudhat , Yash Nagar , Felix Hamborg , Bela Gipp

Over the past few years, large knowledge bases have been constructed to store massive amounts of knowledge. However, these knowledge bases are highly incomplete. To solve this problem, we propose a web-based question answering system system…

Artificial Intelligence · Computer Science 2023-05-09 Yang Peng , Daisy Zhe Wang

Question generation over knowledge bases (KBQG) aims at generating natural-language questions about a subgraph, i.e. a set of (connected) triples. Two main challenges still face the current crop of encoder-decoder-based methods, especially…

Computation and Language · Computer Science 2020-10-26 Sheng Bi , Xiya Cheng , Yuan-Fang Li , Yongzhen Wang , Guilin Qi

Knowledge base question answering (KBQA) is a challenging task that aims to retrieve correct answers from large-scale knowledge bases. Existing attempts primarily focus on entity representation and final answer reasoning, which results in…

Computation and Language · Computer Science 2023-05-26 Yong Cao , Xianzhi Li , Huiwen Liu , Wen Dai , Shuai Chen , Bin Wang , Min Chen , Daniel Hershcovich

Knowledge Base Question Answering (KBQA) has been a long-standing field to answer questions based on knowledge bases. Recently, the evolving dynamics of knowledge have attracted a growing interest in Temporal Knowledge Graph Question…

Computation and Language · Computer Science 2026-01-15 Miao Su , Zixuan Li , Zhuo Chen , Long Bai , Xiaolong Jin , Jiafeng Guo

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

The COVID-19 pandemic has spawned a diverse body of scientific literature that is challenging to navigate, stimulating interest in automated tools to help find useful knowledge. We pursue the construction of a knowledge base (KB) of…

Computation and Language · Computer Science 2021-04-20 Tom Hope , Aida Amini , David Wadden , Madeleine van Zuylen , Sravanthi Parasa , Eric Horvitz , Daniel Weld , Roy Schwartz , Hannaneh Hajishirzi

Large Language Models (LLMs) have led to significant improvements in the Knowledge Base Question Answering (KBQA) task. However, datasets used in KBQA studies do not capture the true complexity of KBQA tasks. They either have simple…

Computation and Language · Computer Science 2024-10-22 Shicheng Liu , Sina J. Semnani , Harold Triedman , Jialiang Xu , Isaac Dan Zhao , Monica S. Lam

Knowledge-Based Visual Question Answering (KBVQA) is a bi-modal task requiring external world knowledge in order to correctly answer a text question and associated image. Recent single modality text work has shown knowledge injection into…

Computation and Language · Computer Science 2022-05-30 Diego Garcia-Olano , Yasumasa Onoe , Joydeep Ghosh

Querying the knowledge base (KB) has long been a challenge in the end-to-end task-oriented dialogue system. Previous sequence-to-sequence (Seq2Seq) dialogue generation work treats the KB query as an attention over the entire KB, without the…

Computation and Language · Computer Science 2019-09-19 Libo Qin , Yijia Liu , Wanxiang Che , Haoyang Wen , Yangming Li , Ting Liu

Knowledge-based visual question answering (KVQA) task aims to answer questions that require additional external knowledge as well as an understanding of images and questions. Recent studies on KVQA inject an external knowledge in a…

Computer Vision and Pattern Recognition · Computer Science 2022-07-28 Jinyeong Chae , Jihie Kim

Large language models (LLMs) have exhibited remarkable performance on various natural language processing (NLP) tasks, especially for question answering. However, in the face of problems beyond the scope of knowledge, these LLMs tend to…

Computation and Language · Computer Science 2024-01-02 Chaojie Wang , Yishi Xu , Zhong Peng , Chenxi Zhang , Bo Chen , Xinrun Wang , Lei Feng , Bo An

Knowledge graphs (KGs) are large datasets with specific structures representing large knowledge bases (KB) where each node represents a key entity and relations amongst them are typed edges. Natural language queries formed to extract…

Artificial Intelligence · Computer Science 2024-05-01 Abir Chakraborty

Embedding-based methods are popular for Knowledge Base Question Answering (KBQA), but few current models have numerical reasoning skills and thus struggle to answer ordinal constrained questions. This paper proposes a new embedding-based…

Computation and Language · Computer Science 2022-05-17 Yu Feng , Jing Zhang , Xiaokang Zhang , Lemao Liu , Cuiping Li , Hong Chen

Knowledge graph (KG) technology is extensively utilized in many areas, and many companies offer applications based on KG. Nonetheless, most KG platforms necessitate expertise and tremendous time and effort from users to construct KG records…

Artificial Intelligence · Computer Science 2024-12-17 Hanrong Zhang , Xinyue Wang , Jiabao Pan , Hongwei Wang
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