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Related papers: Expanding End-to-End Question Answering on Differe…

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Knowledge graphs have proven to be effective for modeling entities and their relationships through the use of ontologies. The recent emergence in interest for using knowledge graphs as a form of information modeling has led to their…

Artificial Intelligence · Computer Science 2023-07-21 Ngoc Luyen Le , Marie-Hélène Abel , Philippe Gouspillou

Multi-hop question answering over knowledge graphs remains computationally challenging due to the combinatorial explosion of possible reasoning paths. Recent approaches rely on expensive Large Language Model (LLM) inference for both entity…

Computation and Language · Computer Science 2025-11-26 Manil Shrestha , Edward Kim

Question answering over knowledge graphs (KGQA) has evolved from simple single-fact questions to complex questions that require graph traversal and aggregation. We propose a novel approach for complex KGQA that uses unsupervised message…

Computation and Language · Computer Science 2019-08-20 Svitlana Vakulenko , Javier David Fernandez Garcia , Axel Polleres , Maarten de Rijke , Michael Cochez

Interdisciplinary PhD programs can be challenging as the vital information needed by students may not be readily available, it is scattered across university's websites, while tacit knowledge can be obtained only by interacting with people.…

Human-Computer Interaction · Computer Science 2024-06-21 Stanislava Gardasevic , Manika Lamba

Our work addresses the challenges of understanding tables. Existing methods often struggle with the unpredictable nature of table content, leading to a reliance on preprocessing and keyword matching. They also face limitations due to the…

Computation and Language · Computer Science 2025-08-26 Thi-Nhung Nguyen , Hoang Ngo , Dinh Phung , Thuy-Trang Vu , Dat Quoc Nguyen

Despite the increasing research interest in end-to-end learning systems for speech emotion recognition, conventional systems either suffer from the overfitting due in part to the limited training data, or do not explicitly consider the…

Computation and Language · Computer Science 2019-04-01 Zixing Zhang , Bingwen Wu , Bjoern Schuller

Two types of knowledge, triples from knowledge graphs and texts from documents, have been studied for knowledge aware open-domain conversation generation, in which graph paths can narrow down vertex candidates for knowledge selection…

Artificial Intelligence · Computer Science 2019-09-04 Zhibin Liu , Zheng-Yu Niu , Hua Wu , Haifeng Wang

We present a novel extension to embedding-based knowledge graph completion models which enables them to perform open-world link prediction, i.e. to predict facts for entities unseen in training based on their textual description. Our model…

Artificial Intelligence · Computer Science 2020-01-10 Haseeb Shah , Johannes Villmow , Adrian Ulges , Ulrich Schwanecke , Faisal Shafait

Multi-hop reasoning question answering requires deep comprehension of relationships between various documents and queries. We propose a Bi-directional Attention Entity Graph Convolutional Network (BAG), leveraging relationships between…

Computation and Language · Computer Science 2019-04-11 Yu Cao , Meng Fang , Dacheng Tao

Commonsense question answering (QA) requires a model to grasp commonsense and factual knowledge to answer questions about world events. Many prior methods couple language modeling with knowledge graphs (KG). However, although a KG contains…

Computation and Language · Computer Science 2021-08-04 Yichong Xu , Chenguang Zhu , Ruochen Xu , Yang Liu , Michael Zeng , Xuedong Huang

Recently, there has been an increase in the number of knowledge graphs that can be only queried by experts. However, describing questions using structured queries is not straightforward for non-expert users who need to have sufficient…

Computation and Language · Computer Science 2021-05-04 Abdelghny Orogat , Isabelle Liu , Ahmed El-Roby

End-to-end person search aims to jointly detect and re-identify a target person in raw scene images with a unified model. The detection task unifies all persons while the re-id task discriminates different identities, resulting in conflict…

Computer Vision and Pattern Recognition · Computer Science 2024-03-12 Pengcheng Zhang , Xiao Bai , Jin Zheng , Xin Ning

Knowledge graphs (KGs) are inherently incomplete because of incomplete world knowledge and bias in what is the input to the KG. Additionally, world knowledge constantly expands and evolves, making existing facts deprecated or introducing…

Mutual learning, in which multiple networks learn by sharing their knowledge, improves the performance of each network. However, the performance of ensembles of networks that have undergone mutual learning does not improve significantly…

Computer Vision and Pattern Recognition · Computer Science 2021-03-30 Naoki Okamoto , Soma Minami , Tsubasa Hirakawa , Takayoshi Yamashita , Hironobu Fujiyoshi

Multi-hop Question Answering over Knowledge Graph~(KGQA) aims to find the answer entities that are multiple hops away from the topic entities mentioned in a natural language question on a large-scale Knowledge Graph (KG). To cope with the…

Computation and Language · Computer Science 2023-03-02 Jinhao Jiang , Kun Zhou , Wayne Xin Zhao , Ji-Rong Wen

Reasoning, the ability to logically draw conclusions from existing knowledge, is a hallmark of human. Together with perception, they constitute the two major themes of artificial intelligence. While deep learning has pushed the limit of…

Artificial Intelligence · Computer Science 2024-10-18 Zhaocheng Zhu

Multi-step agentic retrieval systems based on large language models (LLMs) have demonstrated remarkable performance in complex information search tasks. However, these systems still face significant challenges in practical applications,…

Machine Learning · Computer Science 2025-10-16 Chuzhan Hao , Wenfeng Feng , Yuewei Zhang , Hao Wang

Entity alignment is the task of linking entities with the same real-world identity from different knowledge graphs (KGs), which has been recently dominated by embedding-based methods. Such approaches work by learning KG representations so…

Computation and Language · Computer Science 2019-08-23 Yuting Wu , Xiao Liu , Yansong Feng , Zheng Wang , Rui Yan , Dongyan Zhao

Knowledge graphs are used to represent relational information in terms of triples. To enable learning about domains, embedding models, such as tensor factorization models, can be used to make predictions of new triples. Often there is…

Machine Learning · Computer Science 2018-12-11 Bahare Fatemi , Siamak Ravanbakhsh , David Poole

Attention-based encoder-decoder neural network models have recently shown promising results in goal-oriented dialogue systems. However, these models struggle to reason over and incorporate state-full knowledge while preserving their…

Computation and Language · Computer Science 2020-01-29 Firas Kassawat , Debanjan Chaudhuri , Jens Lehmann