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Over the past decade, the proliferation of public and enterprise data lakes has fueled intensive research into data discovery, aiming to identify the most relevant data from vast and complex corpora to support diverse user tasks.…

Databases · Computer Science 2025-10-16 Mahdi Esmailoghli , Matthias Weidlich

Bringing transparency to black-box decision making systems (DMS) has been a topic of increasing research interest in recent years. Traditional active and passive approaches to make these systems transparent are often limited by scalability…

Machine Learning · Statistics 2016-11-01 Miguel Ferreira , Muhammad Bilal Zafar , Krishna P. Gummadi

Multi-hop question answering (MQA) under knowledge editing (KE) has garnered significant attention in the era of large language models. However, existing models for MQA under KE exhibit poor performance when dealing with questions…

Computation and Language · Computer Science 2024-04-02 Keyuan Cheng , Gang Lin , Haoyang Fei , Yuxuan zhai , Lu Yu , Muhammad Asif Ali , Lijie Hu , Di Wang

Models in the supervised learning framework may capture rich and complex representations over the features that are hard for humans to interpret. Existing methods to explain such models are often specific to architectures and data where the…

Machine Learning · Computer Science 2021-02-25 Akshay Sood , Mark Craven

In temporal ( event-based ) networks, time is a continuous axis, with real-valued time coordinates for each node and edge. Computing a layout for such graphs means embedding the node trajectories and edge surfaces over time in a 2D+t space,…

Human-Computer Interaction · Computer Science 2024-12-13 Velitchko Filipov , Davide Ceneda , Daniel Archambault , Alessio Arleo

Provenance refers to the documentation of an object's lifecycle. This documentation (often represented as a graph) should include all the information necessary to reproduce a certain piece of data or the process that led to it. In a dynamic…

Databases · Computer Science 2012-11-22 Seyed-Mehdi-Reza Beheshti , Hamid Reza Motahari-Nezhad , Boualem Benatallah

Knowledge graph reasoning (KGR), aiming to deduce new facts from existing facts based on mined logic rules underlying knowledge graphs (KGs), has become a fast-growing research direction. It has been proven to significantly benefit the…

Artificial Intelligence · Computer Science 2024-10-28 Ke Liang , Lingyuan Meng , Meng Liu , Yue Liu , Wenxuan Tu , Siwei Wang , Sihang Zhou , Xinwang Liu , Fuchun Sun

Temporal reasoning is a crucial NLP task, providing a nuanced understanding of time-sensitive contexts within textual data. Although recent advancements in LLMs have demonstrated their potential in temporal reasoning, the predominant focus…

Computation and Language · Computer Science 2023-10-10 Chenhan Yuan , Qianqian Xie , Jimin Huang , Sophia Ananiadou

Time is an important relevance signal when searching streams of social media posts. The distribution of document timestamps from the results of an initial query can be leveraged to infer the distribution of relevant documents, which can…

Information Retrieval · Computer Science 2017-07-26 Jinfeng Rao , Hua He , Haotian Zhang , Ferhan Ture , Royal Sequiera , Salman Mohammed , Jimmy Lin

The time at which a message is communicated is a vital piece of metadata in many real-world natural language processing tasks such as Topic Detection and Tracking (TDT). TDT systems aim to cluster a corpus of news articles by event, and in…

Computation and Language · Computer Science 2024-03-27 Hang Jiang , Doug Beeferman , Weiquan Mao , Deb Roy

Large Language Models (LLMs) have achieved impressive reasoning abilities, but struggle with temporal understanding, especially when questions involve multiple entities, compound operators, and evolving event sequences. Temporal Knowledge…

Computation and Language · Computer Science 2026-02-24 Xingyu Tan , Xiaoyang Wang , Qing Liu , Xiwei Xu , Xin Yuan , Liming Zhu , Wenjie Zhang

Question answering in temporal knowledge graphs requires retrieval that is both time-consistent and efficient. Existing RAG methods are largely semantic and typically neglect explicit temporal constraints, which leads to time-inconsistent…

Information Retrieval · Computer Science 2025-10-21 Zulun Zhu , Haoyu Liu , Mengke He , Siqiang Luo

The task of generating rich and fluent narratives that aptly describe the characteristics, trends, and anomalies of time-series data is invaluable to the sciences (geology, meteorology, epidemiology) or finance (trades, stocks, or sales and…

Computation and Language · Computer Science 2021-10-13 Mandar Sharma , John S. Brownstein , Naren Ramakrishnan

Time series classification (TSC) is the problem of learning labels from time dependent data. One class of algorithms is derived from a bag of words approach. A window is run along a series, the subseries is shortened and discretised to form…

Machine Learning · Computer Science 2019-11-28 Anthony Bagnall , James Large , Matthew Middlehurst

Temporal claims, often riddled with inaccuracies, are a significant challenge in the digital misinformation landscape. Fact-checking systems that can accurately verify such claims are crucial for combating misinformation. Current systems…

Computation and Language · Computer Science 2025-05-16 Anab Maulana Barik , Wynne Hsu , Mong Li Lee

Data summarization is the process of generating interpretable and representative subsets from a dataset. Existing time series summarization approaches often search for recurring subsequences using a set of manually devised similarity…

Machine Learning · Computer Science 2023-08-29 Alireza Ghods , Trong Nghia Hoang , Diane Cook

In real-world applications, the ability to reason about incomplete knowledge, sensing, temporal notions, and numeric constraints is vital. While several AI planners are capable of dealing with some of these requirements, they are mostly…

Artificial Intelligence · Computer Science 2022-07-21 Yaniel Carreno , Yvan Petillot , Ronald P. A. Petrick

This paper proposes an approach for the adaptation of spatial or temporal cases in a case-based reasoning system. Qualitative algebras are used as spatial and temporal knowledge representation languages. The intuition behind this adaptation…

Artificial Intelligence · Computer Science 2013-10-11 Valmi Dufour-Lussier , Florence Le Ber , Jean Lieber , Laura Martin

Knowledge graph embedding, which aims to learn the low-dimensional representations of entities and relationships, has attracted considerable research efforts recently. However, most knowledge graph embedding methods focus on the structural…

Machine Learning · Computer Science 2020-07-23 Yonghui Xu , Shengjie Sun , Yuan Miao , Dong Yang , Xiaonan Meng , Yi Hu , Ke Wang , Hengjie Song , Chuanyan Miao

Language models are increasingly deployed in interactive settings where users reason about facts over time rather than in isolation. In such scenarios, correct behavior requires models to maintain and update implicit temporal assumptions…

Computation and Language · Computer Science 2026-04-28 Yash Kumar Atri , Steven L. Johnson , Tom Hartvigsen