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In Twitter, and other microblogging services, the generation of new content by the crowd is often biased towards immediacy: what is happening now. Prompted by the propagation of commentary and information through multiple mediums, users on…

Information Retrieval · Computer Science 2016-02-10 Flávio Martins , João Magalhães , Jamie Callan

Extracting temporal relations (before, after, overlapping, etc.) is a key aspect of understanding events described in natural language. We argue that this task would gain from the availability of a resource that provides prior knowledge in…

Artificial Intelligence · Computer Science 2018-04-18 Qiang Ning , Hao Wu , Haoruo Peng , Dan Roth

Automated fact verification plays an essential role in fostering trust in the digital space. Despite the growing interest, the verification of temporal facts has not received much attention in the community. Temporal fact verification…

Information Retrieval · Computer Science 2024-08-20 Anab Maulana Barik , Wynne Hsu , Mong Li Lee

Event temporal relation (TempRel) is a primary subject of the event relation extraction task. However, the inherent ambiguity of TempRel increases the difficulty of the task. With the rise of prompt engineering, it is important to design…

Computation and Language · Computer Science 2024-03-25 Xiaobin Zhang , Liangjun Zang , Qianwen Liu , Shuchong Wei , Songlin Hu

Automatic extraction of temporal relations between event pairs is an important task for several natural language processing applications such as Question Answering, Information Extraction, and Summarization. Since most existing methods are…

Machine Learning · Computer Science 2014-01-27 Seyed Abolghasem Mirroshandel , Gholamreza Ghassem-Sani

The ability to track large-scale events as they happen is essential for understanding them and coordinating reactions in an appropriate and timely manner. This is true, for example, in emergency management and decision-making support, where…

Computers and Society · Computer Science 2022-06-28 Carlo Bono , Barbara Pernici

Multimedia information have strong temporal correlations that shape the way modalities co-occur over time. In this paper we study the dynamic nature of multimedia and social-media information, where the temporal dimension emerges as a…

Multimedia · Computer Science 2018-10-11 David Semedo , João Magalhães

In this paper, we provide a deep analysis of temporal modeling for action recognition, an important but underexplored problem in the literature. We first propose a new approach to quantify the temporal relationships between frames captured…

Computer Vision and Pattern Recognition · Computer Science 2022-04-27 Quanfu Fan , Donghyun Kim , Chun-Fu , Chen , Stan Sclaroff , Kate Saenko , Sarah Adel Bargal

We aim to mine temporal causal sequences that explain observed events (consequents) in time-series traces. Causal explanations of key events in a time-series has applications in design debugging, anomaly detection, planning, root-cause…

Machine Learning · Computer Science 2021-01-26 Antonio Anastasio Bruto da Costa , Pallab Dasgupta

Trending topics in microblogs such as Twitter are valuable resources to understand social aspects of real-world events. To enable deep analyses of such trends, semantic annotation is an effective approach; yet the problem of annotating…

Information Retrieval · Computer Science 2017-01-17 Tuan Tran , Nam Khanh Tran , Teka Hadgu Asmelash , Robert Jäschke

A significant number of event-related queries are issued in Web search. In this paper, we seek to improve retrieval performance by leveraging events and specifically target the classic task of query expansion. We propose a method to expand…

Information Retrieval · Computer Science 2020-12-23 Guy D. Rosin , Ido Guy , Kira Radinsky

Identifying temporal relations between events is an essential step towards natural language understanding. However, the temporal relation between two events in a story depends on, and is often dictated by, relations among other events.…

Computation and Language · Computer Science 2019-06-13 Qiang Ning , Zhili Feng , Dan Roth

Temporal information extraction plays a critical role in natural language understanding. Previous systems have incorporated advanced neural language models and have successfully enhanced the accuracy of temporal information extraction…

Computation and Language · Computer Science 2022-01-19 Bo-Ying Su , Shang-Ling Hsu , Kuan-Yin Lai , Amarnath Gupta

Studying temporal dynamics of topics in social media is very useful to understand online user behaviors. Most of the existing work on this subject usually monitors the global trends, ignoring variation among communities. Since users from…

Social and Information Networks · Computer Science 2013-12-04 Zhiting Hu , Chong Wang , Junjie Yao , Eric Xing , Hongzhi Yin , Bin Cui

Learning causal and temporal relationships between events is an important step towards deeper story and commonsense understanding. Though there are abundant datasets annotated with event relations for story comprehension, many have no…

Computation and Language · Computer Science 2019-04-29 Rujun Han , Mengyue Liang , Bashar Alhafni , Nanyun Peng

Query-expansion via pseudo-relevance feedback is a popular method of overcoming the problem of vocabulary mismatch and of increasing average retrieval effectiveness. In this paper, we develop a new method that estimates a query topic model…

Information Retrieval · Computer Science 2016-02-05 Ronan Cummins

Online social media platforms are turning into the prime source of news and narratives about worldwide events. However,a systematic summarization-based narrative extraction that can facilitate communicating the main underlying events is…

Social and Information Networks · Computer Science 2020-12-29 Toktam A. Oghaz , Ece C. Mutlu , Jasser Jasser , Niloofar Yousefi , Ivan Garibay

Link sharing in social media can be seen as a collaboratively retrieved set of documents for a query or topic expressed by a hashtag. Temporal information plays an important role for identifying the correct context for which such…

Information Retrieval · Computer Science 2019-08-07 Omar Alonso , Vasileios Kandylas , Serge-Eric Tremblay

Temporal graphs are structures which model relational data between entities that change over time. Due to the complex structure of data, mining statistically significant temporal subgraphs, also known as temporal motifs, is a challenging…

Social and Information Networks · Computer Science 2021-10-05 Antonio Longa , Giulia Cencetti , Bruno Lepri , Andrea Passerini

Recently, evolving networks are becoming a suitable form to model many real-world complex systems, due to their peculiarities to represent the systems and their constituting entities, the interactions between the entities and the…

Artificial Intelligence · Computer Science 2017-09-21 Angelo Impedovo , Corrado Loglisci , Michelangelo Ceci
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