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The number of published research papers has experienced exponential growth in recent years, which makes it crucial to develop new methods for efficient and versatile information extraction and knowledge discovery. To address this need, we…

Information Retrieval · Computer Science 2023-06-09 Yamei Tu , Rui Qiu , Han-Wei Shen

Knowledge conflicts commonly arise across diverse sources, and their prevalence has increased with the advent of LLMs. When dealing with conflicts between multiple contexts, also known as \emph{inter-context knowledge conflicts}, LLMs are…

Artificial Intelligence · Computer Science 2025-08-06 Xianda Zheng , Zijian Huang , Meng-Fen Chiang , Michael J. Witbrock , Kaiqi Zhao

Relational knowledge bases (KBs) are commonly used to represent world knowledge in machines. However, while advantageous for their high degree of precision and interpretability, KBs are usually organized according to manually-defined…

Computation and Language · Computer Science 2021-09-13 Tara Safavi , Danai Koutra

In the landscape of exascale computing collaborative research campaigns are conducted as co-design activities of loosely coordinated experiments. But the higher level context and the knowledge of individual experimental activity is lost…

Distributed, Parallel, and Cluster Computing · Computer Science 2021-12-08 Sachith Withana , Kshitij Mehta , Matthew Wolf , Beth Plale

Knowledge graphs (KGs) have become important auxiliary information for helping recommender systems obtain a good understanding of user preferences. Despite recent advances in KG-based recommender systems, existing methods are prone to…

Information Retrieval · Computer Science 2023-04-25 Xuhui Ren , Wei Yuan , Tong Chen , Chaoqun Yang , Quoc Viet Hung Nguyen , Hongzhi Yin

Knowledge graphs (KGs), which could provide essential relational information between entities, have been widely utilized in various knowledge-driven applications. Since the overall human knowledge is innumerable that still grows explosively…

Computation and Language · Computer Science 2018-02-19 Ruobing Xie , Zhiyuan Liu , Fen Lin , Leyu Lin

We suggest to employ techniques from Natural Language Processing (NLP) and Knowledge Representation (KR) to transform existing documents into documents amenable for the Semantic Web. Semantic Web documents have at least part of their…

Artificial Intelligence · Computer Science 2007-05-23 Dietmar Roesner , Manuela Kunze , Sylke Kroetzsch

Knowledge graph embedding, which projects symbolic entities and relations into continuous vector spaces, is gaining increasing attention. Previous methods allow a single static embedding for each entity or relation, ignoring their intrinsic…

Artificial Intelligence · Computer Science 2020-04-07 Quan Wang , Pingping Huang , Haifeng Wang , Songtai Dai , Wenbin Jiang , Jing Liu , Yajuan Lyu , Yong Zhu , Hua Wu

Coreference resolution across multiple documents poses a significant challenge in natural language processing, particularly within the domain of knowledge graphs. This study introduces an innovative method aimed at identifying and resolving…

Computation and Language · Computer Science 2025-04-09 Zhang Dong , Mingbang Wang , Songhang deng , Le Dai , Jiyuan Li , Xingzu Liu , Ruilin Nong

Temporal knowledge graph (TKG) forecasting benchmarks challenge models to predict future facts using knowledge of past facts. In this paper, we apply large language models (LLMs) to these benchmarks using in-context learning (ICL). We…

Computation and Language · Computer Science 2023-10-23 Dong-Ho Lee , Kian Ahrabian , Woojeong Jin , Fred Morstatter , Jay Pujara

Contextual word representations, typically trained on unstructured, unlabeled text, do not contain any explicit grounding to real world entities and are often unable to remember facts about those entities. We propose a general method to…

Computation and Language · Computer Science 2019-11-01 Matthew E. Peters , Mark Neumann , Robert L. Logan , Roy Schwartz , Vidur Joshi , Sameer Singh , Noah A. Smith

Knowledge graphs have emerged as a popular method for injecting up-to-date, factual knowledge into large language models (LLMs). This is typically achieved by converting the knowledge graph into text that the LLM can process in context.…

Computation and Language · Computer Science 2025-04-10 Elan Markowitz , Krupa Galiya , Greg Ver Steeg , Aram Galstyan

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

Graphs can represent relational information among entities and graph structures are widely used in many intelligent tasks such as search, recommendation, and question answering. However, most of the graph-structured data in practice suffers…

Information Retrieval · Computer Science 2021-12-30 Hanxiong Chen , Yunqi Li , Shaoyun Shi , Shuchang Liu , He Zhu , Yongfeng Zhang

Despite its success, existing in-context learning (ICL) relies on in-domain expert demonstrations, limiting its applicability when expert annotations are scarce. We posit that different domains may share underlying reasoning structures,…

Artificial Intelligence · Computer Science 2026-04-08 Le Liu , Zhiming Li , Jianzhi Yan , Zike Yuan , Shiwei Chen , Youcheng Pan , Buzhou Tang , Qingcai Chen , Yang Xiang , Danny Dongning Sun

Incorporating knowledge graph into recommender systems has attracted increasing attention in recent years. By exploring the interlinks within a knowledge graph, the connectivity between users and items can be discovered as paths, which…

Information Retrieval · Computer Science 2018-11-13 Xiang Wang , Dingxian Wang , Canran Xu , Xiangnan He , Yixin Cao , Tat-Seng Chua

Incorporating factual knowledge into pre-trained language models (PLM) such as BERT is an emerging trend in recent NLP studies. However, most of the existing methods combine the external knowledge integration module with a modified…

Computation and Language · Computer Science 2022-05-06 Yinquan Lu , Haonan Lu , Guirong Fu , Qun Liu

Retrieval-Augmented Generation (RAG) enhances Large Language Models (LLMs) by incorporating external knowledge. Recently, some works have incorporated iterative knowledge accumulation processes into RAG models to progressively accumulate…

Computation and Language · Computer Science 2026-01-15 Xinze Li , Zhenghao Liu , Haidong Xin , Yukun Yan , Shuo Wang , Zheni Zeng , Sen Mei , Ge Yu , Maosong Sun

Answer selection, which is involved in many natural language processing applications such as dialog systems and question answering (QA), is an important yet challenging task in practice, since conventional methods typically suffer from the…

Computation and Language · Computer Science 2021-04-13 Yang Deng , Yuexiang Xie , Yaliang Li , Min Yang , Wai Lam , Ying Shen

Knowledge Graph (KG), as a side-information, tends to be utilized to supplement the collaborative filtering (CF) based recommendation model. By mapping items with the entities in KGs, prior studies mostly extract the knowledge information…

Information Retrieval · Computer Science 2022-12-21 Yinwei Wei , Xiang Wang , Liqiang Nie , Shaoyu Li , Dingxian Wang , Tat-Seng Chua