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Related papers: Evaluating Dynamic Topic Models

200 papers

This study addresses the challenges of analyzing temporal discrepancies in large language models (LLMs) trained on data from different time periods. To facilitate the automatic exploration of these differences, we propose a novel system…

Information Retrieval · Computer Science 2024-10-08 Reinhard Friedrich Fritsch , Adam Jatowt

Automated metrics for Machine Translation have made significant progress, with the goal of replacing expensive and time-consuming human evaluations. These metrics are typically assessed by their correlation with human judgments, which…

Computation and Language · Computer Science 2024-12-31 Pius von Däniken , Jan Deriu , Mark Cieliebak

Dynamic topic models track the evolution of topics in sequential documents, which have derived various applications like trend analysis and opinion mining. However, existing models suffer from repetitive topic and unassociated topic issues,…

Computation and Language · Computer Science 2024-05-29 Xiaobao Wu , Xinshuai Dong , Liangming Pan , Thong Nguyen , Anh Tuan Luu

Automatic evaluation metrics are a crucial component of dialog systems research. Standard language evaluation metrics are known to be ineffective for evaluating dialog. As such, recent research has proposed a number of novel,…

Computation and Language · Computer Science 2021-07-09 Yi-Ting Yeh , Maxine Eskenazi , Shikib Mehri

Human perception of events is intrinsically tied to distinguishing between completed (perfect and telic) and ongoing (durative) actions, a process mediated by both linguistic structure and visual cues. In this work, we introduce the…

Computer Vision and Pattern Recognition · Computer Science 2025-06-03 Olga Loginova , Sofía Ortega Loguinova

Multilingual topic models enable document analysis across languages through coherent multilingual summaries of the data. However, there is no standard and effective metric to evaluate the quality of multilingual topics. We introduce a new…

Computation and Language · Computer Science 2018-04-27 Shudong Hao , Jordan Boyd-Graber , Michael J. Paul

In this work we give a comprehensive overview of the time consistency property of dynamic risk and performance measures, focusing on a the discrete time setup. The two key operational concepts used throughout are the notion of the…

Mathematical Finance · Quantitative Finance 2017-01-31 Tomasz R. Bielecki , Igor Cialenco , Marcin Pitera

In recent years, fully automated content analysis based on probabilistic topic models has become popular among social scientists because of their scalability. The unsupervised nature of the models makes them suitable for exploring topics in…

Computation and Language · Computer Science 2023-02-06 Shusei Eshima , Kosuke Imai , Tomoya Sasaki

Response diversity has become an important criterion for evaluating the quality of open-domain dialogue generation models. However, current evaluation metrics for response diversity often fail to capture the semantic diversity of generated…

Computation and Language · Computer Science 2022-10-25 Seungju Han , Beomsu Kim , Buru Chang

Modern technological advances have expanded the scope of applications requiring analysis of large-scale datastreams that comprise multiple indefinitely long time series. There is an acute need for statistical methodologies that perform…

Methodology · Statistics 2021-11-03 Jingshen Wang , Lilun Du , Changliang Zou , Zhenke Wu

The ability to perceive how objects change over time is a crucial ingredient in human intelligence. However, current benchmarks cannot faithfully reflect the temporal understanding abilities of video-language models (VidLMs) due to the…

Computer Vision and Pattern Recognition · Computer Science 2024-09-24 Shicheng Li , Lei Li , Shuhuai Ren , Yuanxin Liu , Yi Liu , Rundong Gao , Xu Sun , Lu Hou

Topic models are popular statistical tools for detecting latent semantic topics in a text corpus. They have been utilized in various applications across different fields. However, traditional topic models have some limitations, including…

Computation and Language · Computer Science 2023-10-10 Pritom Saha Akash , Trisha Das , Kevin Chen-Chuan Chang

In this paper we describe a novel framework for the discovery of the topical content of a data corpus, and the tracking of its complex structural changes across the temporal dimension. In contrast to previous work our model does not impose…

Information Retrieval · Computer Science 2015-12-29 Adham Beykikhoshk , Ognjen Arandjelovic , Dinh Phung , Svetha Venkatesh

Dynamic topic modeling facilitates the identification of topical trends over time in temporal collections of unstructured documents. We introduce a novel unsupervised neural dynamic topic model named as Recurrent Neural Network-Replicated…

Computation and Language · Computer Science 2018-07-10 Pankaj Gupta , Subburam Rajaram , Hinrich Schütze , Bernt Andrassy

Slow emerging topic detection is a task between event detection, where we aggregate behaviors of different words on short period of time, and language evolution, where we monitor their long term evolution. In this work, we tackle the…

Computation and Language · Computer Science 2021-11-08 Clément Christophe , Julien Velcin , Jairo Cugliari , Manel Boumghar , Philippe Suignard

Mental health diseases affect children's lives and well-beings which have received increased attention since the COVID-19 pandemic. Analyzing psychiatric clinical notes with topic models is critical to evaluating children's mental status…

Computation and Language · Computer Science 2024-11-04 Hanwen Ye , Tatiana Moreno , Adrianne Alpern , Louis Ehwerhemuepha , Annie Qu

Discrete-time random walks and their extensions are common tools for analyzing animal movement data. In these analyses, resolution of temporal discretization is a critical feature. Ideally, a model both mirrors the relevant temporal scale…

Quantitative Methods · Quantitative Biology 2015-08-27 Ulrike E. Schlägel , Mark A. Lewis

Topic modeling is a widely used technique for revealing underlying thematic structures within textual data. However, existing models have certain limitations, particularly when dealing with short text datasets that lack co-occurring words.…

Artificial Intelligence · Computer Science 2023-12-18 Han Wang , Nirmalendu Prakash , Nguyen Khoi Hoang , Ming Shan Hee , Usman Naseem , Roy Ka-Wei Lee

This paper adapts topic models to the psychometric testing of MOOC students based on their online forum postings. Measurement theory from education and psychology provides statistical models for quantifying a person's attainment of…

Machine Learning · Computer Science 2015-11-26 Jiazhen He , Benjamin I. P. Rubinstein , James Bailey , Rui Zhang , Sandra Milligan , Jeffrey Chan

We propose novel neural temporal models for predicting and synthesizing human motion, achieving state-of-the-art in modeling long-term motion trajectories while being competitive with prior work in short-term prediction and requiring…

Computer Vision and Pattern Recognition · Computer Science 2019-11-25 Anand Gopalakrishnan , Ankur Mali , Dan Kifer , C. Lee Giles , Alexander G. Ororbia