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Large volumes of spatio-temporal data are increasingly collected and studied in diverse domains including, climate science, social sciences, neuroscience, epidemiology, transportation, mobile health, and Earth sciences. Spatio-temporal data…

Machine Learning · Computer Science 2017-11-20 Gowtham Atluri , Anuj Karpatne , Vipin Kumar

Although general question answering has been well explored in recent years, temporal question answering is a task which has not received as much focus. Our work aims to leverage a popular approach used for general question answering, answer…

Computation and Language · Computer Science 2023-11-27 Armand Stricker

The present study proposes a novel method of trend detection and visualization - more specifically, modeling the change in a topic over time. Where current models used for the identification and visualization of trends only convey the…

Computation and Language · Computer Science 2023-09-19 Angad Sandhu , Aneesh Edara , Vishesh Narayan , Faizan Wajid , Ashok Agrawala

There is an overwhelming number of news articles published every day around the globe. Following the evolution of a news-story is a difficult task given that there is no such mechanism available to track back in time to study the diffusion…

Information Retrieval · Computer Science 2017-12-22 Roberto Camacho Barranco , Arnold P. Boedihardjo , M. Shahriar Hossain

Temporal knowledge graph question answering (TKGQA) poses a significant challenge task, due to the temporal constraints hidden in questions and the answers sought from dynamic structured knowledge. Although large language models (LLMs) have…

Computation and Language · Computer Science 2024-07-25 Yifu Gao , Linbo Qiao , Zhigang Kan , Zhihua Wen , Yongquan He , Dongsheng Li

Temporal networks are effective in capturing the evolving interactions of networks over time, such as social networks and e-commerce networks. In recent years, researchers have primarily concentrated on developing specific model…

Machine Learning · Computer Science 2025-07-11 Ziyue Chen , Tongya Zheng , Mingli Song

Time-Sensitive Question Answering (TSQA) demands the effective utilization of specific temporal contexts, encompassing multiple time-evolving facts, to address time-sensitive questions. This necessitates not only the parsing of temporal…

Computation and Language · Computer Science 2024-10-01 Wanqi Yang , Yanda Li , Meng Fang , Ling Chen

Mining frequent episodes aims at recovering sequential patterns from temporal data sequences, which can then be used to predict the occurrence of related events in advance. On the other hand, gradual patterns that capture co-variation of…

Machine Learning · Computer Science 2020-10-21 Jerry Lonlac , Arnaud Doniec , Marin Lujak , Stephane Lecoeuche

Inquiries such as whether a task A depends on a task B, whether an author A has been influenced by a paper B, whether a certain protein is associated with a specific biological process or molecular function, or whether class A inherits from…

Data Structures and Algorithms · Computer Science 2024-05-02 Giorgos Kritikakis , Ioannis G Tollis

Answering time-sensitive questions from long documents requires temporal reasoning over the times in questions and documents. An important open question is whether large language models can perform such reasoning solely using a provided…

Computation and Language · Computer Science 2023-10-31 Xin Su , Phillip Howard , Nagib Hakim , Steven Bethard

The degree of success in document summarization processes depends on the performance of the method used in identifying significant sentences in the documents. The collection of unique words characterizes the major signature of the document,…

Information Retrieval · Computer Science 2012-05-09 Aji S , Ramachandra Kaimal

Real-world temporal data often consists of multiple signal types recorded at irregular, asynchronous intervals. For instance, in the medical domain, different types of blood tests can be measured at different times and frequencies,…

Brain can recognize different objects as ones that it has experienced before. The recognition accuracy and its processing time depend on task properties such as viewing condition, level of noise and etc. Recognition accuracy can be well…

Neurons and Cognition · Quantitative Biology 2018-11-27 Hamed Heidari Gorji , Sajjad Zabbah , Reza Ebrahimpour

This paper introduces a large collection of time series data derived from Twitter, postprocessed using word embedding techniques, as well as specialized fine-tuned language models. This data comprises the past five years and captures…

Computation and Language · Computer Science 2023-08-07 Daniel Loureiro , Kiamehr Rezaee , Talayeh Riahi , Francesco Barbieri , Leonardo Neves , Luis Espinosa Anke , Jose Camacho-Collados

Topic models have been widely used to learn text representations and gain insight into document corpora. To perform topic discovery, most existing neural models either take document bag-of-words (BoW) or sequence of tokens as input followed…

Computation and Language · Computer Science 2021-07-12 Madhur Panwar , Shashank Shailabh , Milan Aggarwal , Balaji Krishnamurthy

Prompt engineering for large language models is challenging, as even small prompt perturbations or model changes can significantly impact the generated output texts. Existing evaluation methods of LLM outputs, either automated metrics or…

Computation and Language · Computer Science 2025-06-02 Michael A. Hedderich , Anyi Wang , Raoyuan Zhao , Florian Eichin , Jonas Fischer , Barbara Plank

While Internet of Things (IoT) devices and sensors create continuous streams of information, Big Data infrastructures are deemed to handle the influx of data in real-time. One type of such a continuous stream of information is time series…

Methodology · Statistics 2020-05-05 Elyas Sabeti , Peter X. K. Song , Alfred O. Hero

Social network has gained remarkable attention in the last decade. Accessing social network sites such as Twitter, Facebook LinkedIn and Google+ through the internet and the web 2.0 technologies has become more affordable. People are…

Social and Information Networks · Computer Science 2023-06-22 Mariam Adedoyin-Olowe , Mohamed Medhat Gaber , Frederic Stahl

Timeline Generation aims at summarizing news from different epochs and telling readers how an event evolves. It is a new challenge that combines salience ranking with novelty detection. For long-term public events, the main topic usually…

Computation and Language · Computer Science 2017-03-16 Rumeng Li , Tao Wang , Xun Wang

Data mining is the task of discovering interesting patterns from large amounts of data. There are many data mining tasks, such as classification, clustering, association rule mining, and sequential pattern mining. Sequential pattern mining…

Databases · Computer Science 2010-02-08 Mahdi Esmaeili , Fazekas Gabor