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A natural liberalization of Datalog is used in the Distributed Knowledge Authorization Language (DKAL). We show that the expressive power of this liberal Datalog is that of existential fixed-point logic. The exposition is self-contained.

Logic in Computer Science · Computer Science 2008-11-07 Andreas Blass , Yuri Gurevich

Integration between biology and information science benefits both fields. Many related models have been proposed, such as computational visual cognition models, computational motor control models, integrations of both and so on. In general,…

Computer Vision and Pattern Recognition · Computer Science 2016-03-28 Peijie Yin , Hong Qiao , Wei Wu , Lu Qi , YinLin Li , Shanlin Zhong , Bo Zhang

Large language models (LLMs) provide capabilities far beyond sentence completion, including question answering, summarization, and natural-language inference. While many of these capabilities have potential application to cognitive systems,…

Artificial Intelligence · Computer Science 2023-10-12 James R. Kirk , Robert E. Wray , John E. Laird

This paper presents a question answering system that operates exclusively on a knowledge graph retrieval without relying on retrieval augmented generation (RAG) with large language models (LLMs). Instead, a small paraphraser model is used…

Computation and Language · Computer Science 2025-10-23 Kartikeya Aneja , Manasvi Srivastava , Subhayan Das , Nagender Aneja

Previous studies have relied on existing question-answering benchmarks to evaluate the knowledge stored in large language models (LLMs). However, this approach has limitations regarding factual knowledge coverage, as it mostly focuses on…

Computation and Language · Computer Science 2023-10-31 Linhao Luo , Thuy-Trang Vu , Dinh Phung , Gholamreza Haffari

There has been a considerable advance in computing, to mimic the way in which the brain tries to comprehend and structure the information to retrieve meaningful knowledge. It is identified that neuronal entities hold whole of the knowledge…

Artificial Intelligence · Computer Science 2014-08-05 T. R. Gopalakrishnan Nair , Meenakshi Malhotra

While FrameNet is widely regarded as a rich resource of semantics in natural language processing, a major criticism concerns its lack of coverage and the relative paucity of its labeled data compared to other commonly used lexical resources…

Computation and Language · Computer Science 2021-09-17 Ayush Pancholy , Miriam R. L. Petruck , Swabha Swayamdipta

In-Context Learning (ICL) empowers Large Language Models (LLMs) with the ability to learn from a few examples provided in the prompt, enabling downstream generalization without the requirement for gradient updates. Despite encouragingly…

Computation and Language · Computer Science 2025-01-28 Haitao Mao , Guangliang Liu , Yao Ma , Rongrong Wang , Kristen Johnson , Jiliang Tang

The number of published scholarly articles is growing at a significant rate, making scholarly knowledge organization increasingly important. Various approaches have been proposed to organize scholarly information, including describing…

Digital Libraries · Computer Science 2025-01-22 Allard Oelen , Sören Auer

Semantic information in embodied AI is inherently multi-source and multi-stage, making it challenging to fully leverage for achieving stable perception-to-action loops in real-world environments. Early studies have combined manual…

Computer Vision and Pattern Recognition · Computer Science 2026-01-15 Shuai Chen , Hao Chen , Yuanchen Bei , Tianyang Zhao , Zhibo Zhou , Feiran Huang

Pre-trained language models such as BERT have been proved to be powerful in many natural language processing tasks. But in some text classification applications such as emotion recognition and sentiment analysis, BERT may not lead to…

Computation and Language · Computer Science 2025-06-03 Zixiao Zhu , Kezhi Mao

We propose a novel framework to facilitate the on-demand design of data-centric systems by exploiting domain knowledge from an existing ontology. Its key ingredient is a process that we call focusing, which allows to obtain a schema for a…

Logic in Computer Science · Computer Science 2019-04-02 Tomasz Gogacz , Víctor Gutiérrez-Basulto , Yazmín A. Ibáñez-García , Filip Murlak , Magdalena Ortiz , Mantas Šimkus

The paper presents a FrameNet-based information extraction and knowledge representation framework, called FrameNet-CNL. The framework is used on natural language documents and represents the extracted knowledge in a tailor-made…

Computation and Language · Computer Science 2014-06-11 Guntis Barzdins

Knowledge augmentation has significantly enhanced the performance of Large Language Models (LLMs) in knowledge-intensive tasks. However, existing methods typically operate on the simplistic premise that model performance equates with…

Computation and Language · Computer Science 2026-02-16 Hao Chen , Ye He , Yuchun Fan , Yukun Yan , Zhenghao Liu , Qingfu Zhu , Maosong Sun , Wanxiang Che

Knowledge Base, represents facts about the world, often in some form of subsumption ontology, rather than implicitly, embedded in procedural code, the way a conventional computer program does. While there is a rapid growth in knowledge…

Computation and Language · Computer Science 2020-10-20 Sai Sharath Japa , Rekabdar Banafsheh

Conversational recommender systems (CRS) utilize natural language interactions and dialogue history to infer user preferences and provide accurate recommendations. Due to the limited conversation context and background knowledge, existing…

Computation and Language · Computer Science 2024-05-02 Zhangchi Qiu , Ye Tao , Shirui Pan , Alan Wee-Chung Liew

Most modern computational approaches to lexical semantic change detection (LSC) rely on embedding-based distributional word representations with neural networks. Despite the strong performance on LSC benchmarks, they are often opaque. We…

Computation and Language · Computer Science 2026-05-05 Bach Phan-Tat , Kris Heylen , Dirk Geeraerts , Stefano De Pascale , Dirk Speelman

The purpose of this work is to find out how different library classification systems and linguistic ontologies arrange a particular domain of interest and what are the limitations for information retrieval. We use knowledge representation…

Artificial Intelligence · Computer Science 2023-06-21 Subhashis Das , Debashis Naskar , Sayon Roy

When people search for information about a new topic within large document collections, they implicitly construct a mental model of the unfamiliar information space to represent what they currently know and guide their exploration into the…

Information Retrieval · Computer Science 2023-02-21 Mengtian Guo , Zhilan Zhou , David Gotz , Yue Wang

This paper describes a method to automatically acquire the syntactic and semantic classifications of unknown words. Our method reduces the search space of the lexical acquisition problem by utilizing both the left and the right context of…

cmp-lg · Computer Science 2016-08-31 Ted Pedersen , Weidong Chen
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