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Knowledge bases are important resources for a variety of natural language processing tasks but suffer from incompleteness. We propose a novel embedding model, \emph{ITransF}, to perform knowledge base completion. Equipped with a sparse…

Computation and Language · Computer Science 2017-05-04 Qizhe Xie , Xuezhe Ma , Zihang Dai , Eduard Hovy

Commonsense question answering (QA) requires background knowledge which is not explicitly stated in a given context. Prior works use commonsense knowledge graphs (KGs) to obtain this knowledge for reasoning. However, relying entirely on…

Computation and Language · Computer Science 2020-09-22 Peifeng Wang , Nanyun Peng , Filip Ilievski , Pedro Szekely , Xiang Ren

Knowledge representation learning (KRL) aims to represent entities and relations in knowledge graph in low-dimensional semantic space, which have been widely used in massive knowledge-driven tasks. In this article, we introduce the reader…

Computation and Language · Computer Science 2018-12-31 Yankai Lin , Xu Han , Ruobing Xie , Zhiyuan Liu , Maosong Sun

Semantic web technologies have significantly contributed with effective solutions for the problems of data integration and knowledge graph creation. However, with the rapid growth of big data in diverse domains, different interoperability…

Databases · Computer Science 2022-09-22 Samaneh Jozashoori , Maria-Esther Vidal

Conversational semantic parsing over tables requires knowledge acquiring and reasoning abilities, which have not been well explored by current state-of-the-art approaches. Motivated by this fact, we propose a knowledge-aware semantic parser…

Computation and Language · Computer Science 2018-09-13 Yibo Sun , Duyu Tang , Nan Duan , Jingjing Xu , Xiaocheng Feng , Bing Qin

Collaborative filtering often suffers from sparsity and cold start problems in real recommendation scenarios, therefore, researchers and engineers usually use side information to address the issues and improve the performance of recommender…

Information Retrieval · Computer Science 2019-01-28 Hongwei Wang , Fuzheng Zhang , Miao Zhao , Wenjie Li , Xing Xie , Minyi Guo

Commonsense knowledge (CSK) about concepts and their properties is useful for AI applications such as robust chatbots. Prior works like ConceptNet, TupleKB and others compiled large CSK collections, but are restricted in their…

Artificial Intelligence · Computer Science 2022-10-26 Tuan-Phong Nguyen , Simon Razniewski , Gerhard Weikum

Knowledge Graphs (KGs) are a major asset for companies thanks to their great flexibility in data representation and their numerous applications, e.g., vocabulary sharing, Q/A or recommendation systems. To build a KG it is a common practice…

Artificial Intelligence · Computer Science 2024-07-22 Lucas Jarnac , Yoan Chabot , Miguel Couceiro

Continual incorporation of new knowledge is essential for the long-term evolution of large language models (LLMs). Existing approaches typically rely on parameter-update algorithms to mitigate catastrophic forgetting, yet they suffer from…

Machine Learning · Computer Science 2026-05-07 Kaustubh Pethkar , Ziyang Xiong , Zuofeng Shang , Yingcong Li

Neural Machine Translation (NMT) models from English to SPARQL are a promising development for SPARQL query generation. However, current architectures are unable to integrate the knowledge base (KB) schema and handle questions on knowledge…

Computation and Language · Computer Science 2022-11-21 Rose Hirigoyen , Amal Zouaq , Samuel Reyd

Advances in information extraction have enabled the automatic construction of large knowledge graphs (e.g., Yago, Wikidata or Google KG), which are widely used in many applications like semantic search or data analytics. However, due to…

Computation and Language · Computer Science 2024-09-13 Zihang Peng , Daria Stepanova , Vinh Thinh Ho , Heike Adel , Alessandra Russo , Simon Ott

In a conversational system, dynamically generating follow-up questions based on context can help users explore information and provide a better user experience. Humans are usually able to ask questions that involve some general life…

Artificial Intelligence · Computer Science 2025-06-30 Jianyu Liu , Yi Huang , Sheng Bi , Junlan Feng , Guilin Qi

Evolutionary multi-task optimization (EMTO) is an advanced optimization paradigm that improves search efficiency by enabling knowledge transfer across multiple tasks solved in parallel. Accordingly, a broad range of knowledge transfer…

Neural and Evolutionary Computing · Computer Science 2026-04-01 Xuebin Lyu , Yuxiao Huang , XueFeng Chen , Jing Tang , Liang Feng , Kay Chen Tan

Knowledge Bases (KBs) require constant up-dating to reflect changes to the world they represent. For general purpose KBs, this is often done through Relation Extraction (RE), the task of predicting KB relations expressed in text mentioning…

Computation and Language · Computer Science 2019-05-13 Peng Xu , Denilson Barbosa

Multi-hop question answering faces substantial challenges due to data sparsity, which increases the likelihood of language models learning spurious patterns. To address this issue, prior research has focused on diversifying question…

Computation and Language · Computer Science 2026-04-14 Yangfan Wang , Jie Liu , Chen Tang , Lian Yan , Jingchi Jiang

Semantic communication is envisioned as a promising technique to break through the Shannon limit. However, semantic inference and semantic error correction have not been well studied. Moreover, error correction methods of existing semantic…

Artificial Intelligence · Computer Science 2023-03-16 Fuhui Zhou , Yihao Li , Ming Xu , Lu Yuan , Qihui Wu , Rose Qingyang Hu , Naofal Al-Dhahir

Knowledge Graph Embedding (KGE) techniques play a pivotal role in transforming symbolic Knowledge Graphs (KGs) into numerical representations, thereby enhancing various deep learning models for knowledge-augmented applications. Unlike…

Machine Learning · Computer Science 2025-03-24 Guanglin Niu

Semantic mapping is the incremental process of "mapping" relevant information of the world (i.e., spatial information, temporal events, agents and actions) to a formal description supported by a reasoning engine. Current research focuses on…

Robotics · Computer Science 2016-06-14 Roberto Capobianco , Jacopo Serafin , Johann Dichtl , Giorgio Grisetti , Luca Iocchi , Daniele Nardi

As large language models (LLMs) continue to grow in size, their abilities to tackle complex tasks have significantly improved. However, issues such as hallucination and the lack of up-to-date knowledge largely remain unresolved. Knowledge…

Artificial Intelligence · Computer Science 2026-03-17 Lihui Liu

Human knowledge provides a formal understanding of the world. Knowledge graphs that represent structural relations between entities have become an increasingly popular research direction towards cognition and human-level intelligence. In…

Computation and Language · Computer Science 2021-04-02 Shaoxiong Ji , Shirui Pan , Erik Cambria , Pekka Marttinen , Philip S. Yu