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By illuminating latent structures in a corpus of text, topic models are an essential tool for categorizing, summarizing, and exploring large collections of documents. Probabilistic topic models, such as latent Dirichlet allocation (LDA),…

Information Retrieval · Computer Science 2021-12-07 Bahareh Harandizadeh , J. Hunter Priniski , Fred Morstatter

A novel Twitter context aided content caching (TAC) framework is proposed for enhancing the caching efficiency by taking advantage of the legibility and massive volume of Twitter data. For the purpose of promoting the caching efficiency,…

Signal Processing · Electrical Eng. & Systems 2021-01-05 Zhong Yang , Yuanwei Liu , Yue Chen , Joey Tianyi Zhou

We propose a general framework for topic-specific summarization of large text corpora, and illustrate how it can be used for analysis in two quite different contexts: an OSHA database of fatality and catastrophe reports (to facilitate…

Computation and Language · Computer Science 2016-07-26 Luke Miratrix , Robin Ackerman

Advancement in Large Language Models (LLMs) reasoning capabilities enables them to solve scientific problems with enhanced efficacy. Thereby, a high-quality benchmark for comprehensive and appropriate assessment holds significance, while…

We present a framework for large-scale sentiment and topic analysis of Twitter discourse. Our pipeline begins with targeted data collection using conflict-specific keywords, followed by automated sentiment labeling via multiple pre-trained…

Computation and Language · Computer Science 2025-05-06 Yiwen Lu , Siheng Xiong , Zhaowei Li

Social media users have finite attention which limits the number of incoming messages from friends they can process. Moreover, they pay more attention to opinions and recommendations of some friends more than others. In this paper, we…

Social and Information Networks · Computer Science 2013-01-29 Jeon-Hyung Kang , Kristina Lerman , Lise Getoor

In this paper, we present hierarchical relationbased latent Dirichlet allocation (hrLDA), a data-driven hierarchical topic model for extracting terminological ontologies from a large number of heterogeneous documents. In contrast to…

Computation and Language · Computer Science 2020-01-10 Xiaofeng Zhu , Diego Klabjan , Patrick Bless

In this technical report, we present jLDADMM---an easy-to-use Java toolkit for conventional topic models. jLDADMM is released to provide alternatives for topic modeling on normal or short texts. It provides implementations of the Latent…

Information Retrieval · Computer Science 2018-08-14 Dat Quoc Nguyen

Keyword-based web queries with local intent retrieve web content that is relevant to supplied keywords and that represent points of interest that are near the query location. Two broad categories of such queries exist. The first encompasses…

Databases · Computer Science 2016-08-01 Dingming Wu , Christian S. Jensen

The advent of NMT has expanded the scope of translation beyond isolated sentences, enabling context to be preserved across paragraphs and documents. However, current evaluation metrics largely remain restricted to the sentence level and…

Computational Engineering, Finance, and Science · Computer Science 2026-04-23 Hyeokmin Lee , Youngkyu Kim , Byounghyun Yoo

Large Language Models (LLMs) have demonstrated impressive performance on multiple-choice question answering (MCQA) benchmarks, yet they remain highly vulnerable to minor input perturbations. In this paper, we introduce and evaluate Token…

Computation and Language · Computer Science 2025-06-12 Jui-Ming Yao , Hao-Yuan Chen , Zi-Xian Tang , Bing-Jia Tan , Sheng-Wei Peng , Bing-Cheng Xie , Shun-Feng Su

A novel framework for consensus clustering is presented which has the ability to determine both the number of clusters and a final solution using multiple algorithms. A consensus similarity matrix is formed from an ensemble using multiple…

Machine Learning · Statistics 2014-08-06 Shaina Race , Carl Meyer

Narratives about economic events and policies are widely recognised as influential drivers of economic and business behaviour. Yet the statistical identification of narrative emergence remains underdeveloped. Narratives evolve gradually,…

Methodology · Statistics 2026-02-25 Cynthia Medeiros , John Quigley , Matthew Revie

Micro-blogging services can track users' geo-locations when users check-in their places or use geo-tagging which implicitly reveals locations. This "geo tracking" can help to find topics triggered by some events in certain regions. However,…

Information Retrieval · Computer Science 2016-07-21 Siwei Qiang , Yongkun Wang , Yaohui Jin

Determining the number of clusters present in a dataset is an important problem in cluster analysis. Conventional clustering techniques generally assume this parameter to be provided up front. %user supplied. %Recently, robustness of any…

Machine Learning · Computer Science 2020-09-01 Jayasree Saha , Jayanta Mukherjee

Developer discussions range from in-person hallway chats to comment chains on bug reports. Being able to identify discussions that touch on software design would be helpful in documentation and refactoring software. Design mining is the…

Software Engineering · Computer Science 2021-06-21 Alvi Mahadi , Neil A. Ernst , Karan Tongay

We propose a method to discover latent topics and visualise large collections of tweets for easy identification and interpretation of topics, and exemplify its use with tweets from a Colombian mass media giant in the period 2014--2019. The…

Social and Information Networks · Computer Science 2023-03-28 Vladimir Vargas-Calderón , Marlon Steibeck Dominguez , N. Parra-A. , Herbert Vinck-Posada , Jorge E. Camargo

An initial procedure in text-as-data applications is text preprocessing. One of the typical steps, which can substantially facilitate computations, consists in removing infrequent words believed to provide limited information about the…

Computation and Language · Computer Science 2023-11-27 Victor Bystrov , Viktoriia Naboka-Krell , Anna Staszewska-Bystrova , Peter Winker

Arabic Documents Clustering is an important task for obtaining good results with the traditional Information Retrieval (IR) systems especially with the rapid growth of the number of online documents present in Arabic language. Documents…

Information Retrieval · Computer Science 2013-02-08 Hanane Froud , Abdelmonaime Lachkar , Said Alaoui Ouatik

The recent explosion in work on neural topic modeling has been criticized for optimizing automated topic evaluation metrics at the expense of actual meaningful topic identification. But human annotation remains expensive and time-consuming.…

Computation and Language · Computer Science 2023-05-25 Hamed Rahimi , Jacob Louis Hoover , David Mimno , Hubert Naacke , Camelia Constantin , Bernd Amann