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In web era, since technology has revolutionized mankind life, plenty of data and information are published on the Internet each day. For instance, news agencies publish news on their websites all over the world. These raw data could be an…

计算与语言 · 计算机科学 2018-08-10 Mohammad Kamel , Neda Keyvani , Hadi Sadoghi Yazdi

This paper studies the differences between different types of newspapers in expressing temporal information, which is a topic that has not received much attention. Techniques from the fields of temporal processing and pattern mining are…

计算与语言 · 计算机科学 2020-11-25 Yingxue Fu , Elaine Ui Dhonnchadha

It is known that news topics, covered more frequently and over longer periods of time, are considered to be important to the public. Hence, what gets media attention and how media attention evolves over time has been studied for decades in…

计算机与社会 · 计算机科学 2017-04-06 Jisun An , Haewoon Kwak

This paper proposes an information retrieval method for the economy news. The effect of economy news, are researched in the word level and stock market values are considered as the ground proof. The correlation between stock market prices…

计算工程、金融与科学 · 计算机科学 2014-03-11 Sadi Evren Seker , Cihan Mert , Khaled Al-Naami , Nuri Ozalp , Ugur Ayan

Bengali text classification is a Significant task in natural language processing (NLP), where text is categorized into predefined labels. Unlike English, Bengali faces challenges due to the lack of extensive annotated datasets and…

计算与语言 · 计算机科学 2026-01-21 Md Mahmudul Hoque , Md Mehedi Hassain , Md Hojaifa Tanvir , Rahul Nandy

Nowadays, social medias such as Twitter, Memetracker and Blogs have become powerful tools to propagate information. They facilitate quick dissemination sequence of information such as news article, blog posts, user's interests and thoughts…

社会与信息网络 · 计算机科学 2014-09-09 Saba Babakhani , Niloofar Mozaffari , Ali Hamzeh

News Articles provides crucial information about various events happening in the society but they unfortunately come with different kind of biases. These biases can significantly distort public opinion and trust in the media, making it…

计算与语言 · 计算机科学 2025-01-07 Bhushan Santosh Shah , Deven Santosh Shah , Vahida Attar

With the increasing need for text summarization techniques that are both efficient and accurate, it becomes crucial to explore avenues that enhance the quality and precision of pre-trained models specifically tailored for summarizing…

计算与语言 · 计算机科学 2023-07-17 G. M. Shahariar , Tonmoy Talukder , Rafin Alam Khan Sotez , Md. Tanvir Rouf Shawon

Social media users give rise to social trends as they share about common interests, which can be triggered by different reasons. In this work, we explore the types of triggers that spark trends on Twitter, introducing a typology with…

信息检索 · 计算机科学 2014-03-07 Arkaitz Zubiaga , Damiano Spina , Raquel Martínez , Víctor Fresno

Changepoint analysis deals with unsupervised detection and/or estimation of time-points in time-series data, when the distribution generating the data changes. In this article, we consider \emph{offline} changepoint detection in the context…

计算与语言 · 计算机科学 2021-12-03 Avinandan Bose , Soumendu Sundar Mukherjee

Statistical topic models efficiently facilitate the exploration of large-scale data sets. Many models have been developed and broadly used to summarize the semantic structure in news, science, social media, and digital humanities. However,…

机器学习 · 计算机科学 2016-12-02 Jian Tang , Cheng Li , Ming Zhang , Qiaozhu Mei

Share market is one of the most important sectors of economic development of a country. Everyday almost all companies issue their shares and investors buy and sell shares of these companies. Generally investors want to buy shares of the…

统计金融 · 定量金融 2025-07-28 Syeda Tasnim Fabiha , Rubaiyat Jahan Mumu , Farzana Aktar , B M Mainul Hossain

News articles are extremely time sensitive by nature. There is also intense competition among news items to propagate as widely as possible. Hence, the task of predicting the popularity of news items on the social web is both interesting…

计算机与社会 · 计算机科学 2012-02-07 Roja Bandari , Sitaram Asur , Bernardo A. Huberman

Topic models are a family of statistical-based algorithms to summarize, explore and index large collections of text documents. After a decade of research led by computer scientists, topic models have spread to social science as a new…

计算与语言 · 计算机科学 2018-04-04 Ryan Wesslen

Topic models and all their variants analyse text by learning meaningful representations through word co-occurrences. As pointed out by Williamson et al. (2010), such models implicitly assume that the probability of a topic to be active and…

计算与语言 · 计算机科学 2023-01-27 Kostadin Cvejoski , Ramsés J. Sánchez , César Ojeda

In the modern economic landscape, integrating financial services with Financial Technology (FinTech) has become essential, particularly in stock trend analysis. This study addresses the gap in comprehending financial dynamics across diverse…

统计金融 · 定量金融 2024-10-02 Sahar Arshad , Nikhar Azhar , Sana Sajid , Seemab Latif , Rabia Latif

We propose a novel framework for predicting the factuality of reporting of news media outlets by studying the user attention cycles in their YouTube channels. In particular, we design a rich set of features derived from the temporal…

计算与语言 · 计算机科学 2021-08-31 Krasimira Bozhanova , Yoan Dinkov , Ivan Koychev , Maria Castaldo , Tommaso Venturini , Preslav Nakov

In this paper we retrace the recent history of statistics by analyzing all the papers published in five prestigious statistical journals since 1970, namely: Annals of Statistics, Biometrika, Journal of the American Statistical Association,…

应用统计 · 统计学 2017-09-13 Laura Anderlucci , Angela Montanari , Cinzia Viroli

When dealing with large collections of documents, it is imperative to quickly get an overview of the texts' contents. In this paper we show how this can be achieved by using a clustering algorithm to identify topics in the dataset and then…

计算与语言 · 计算机科学 2017-07-20 Franziska Horn , Leila Arras , Grégoire Montavon , Klaus-Robert Müller , Wojciech Samek

Financial analyses of stock markets rely heavily on quantitative approaches in an attempt to predict subsequent or market movements based on historical prices and other measurable metrics. These quantitative analyses might have missed out…

计算与语言 · 计算机科学 2020-08-04 Shaan Aryaman , Nguwi Yok Yen