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Recent research has shown that language and the socio-cognitive phenomena associated with it can be aptly modeled and visualized through networks of linguistic entities. However, most of the existing works on linguistic networks focus only…

计算与语言 · 计算机科学 2009-01-18 Animesh Mukherjee , Monojit Choudhury , Ravi Kannan

Topic modeling is a widely used technique for uncovering thematic structures from large text corpora. However, most topic modeling approaches e.g. Latent Dirichlet Allocation (LDA) struggle to capture nuanced semantics and contextual…

信息检索 · 计算机科学 2024-09-25 Satya Kapoor , Alex Gil , Sreyoshi Bhaduri , Anshul Mittal , Rutu Mulkar

We analyze CiteULike, an online collaborative tagging system where users bookmark and annotate scientific papers. Such a system can be naturally represented as a tripartite graph whose nodes represent papers, users and tags connected by…

物理与社会 · 物理学 2009-11-13 Andrea Capocci , Guido Caldarelli

Topic modeling is used for discovering latent semantic structure, usually referred to as topics, in a large collection of documents. The most widely used methods are Latent Dirichlet Allocation and Probabilistic Latent Semantic Analysis.…

计算与语言 · 计算机科学 2020-08-24 Dimo Angelov

Research on neural networks has focused on understanding a single model trained on a single dataset. However, relatively little is known about the relationships between different models, particularly those trained or tested on different…

机器学习 · 计算机科学 2023-10-16 Almog Gueta , Elad Venezian , Colin Raffel , Noam Slonim , Yoav Katz , Leshem Choshen

This paper proposes a new methodology to study sequential corpora by implementing a two-stage algorithm that learns time-based topics with respect to a scale of document positions and introduces the concept of Topic Scaling which ranks…

信息检索 · 计算机科学 2021-04-05 Sami Diaf , Ulrich Fritsche

Phylogenetic trees (i.e. evolutionary trees, additive trees or X-trees) play a key role in the processes of modeling and representing species evolution. Genome evolution of a given group of species is usually modeled by a species…

种群与进化 · 定量生物学 2023-01-03 Vladimir Makarenkov , Gayane S. Barseghyan , Nadia Tahiri

Strategic diagrams and co-word analysis are widely employed to examine the conceptual structure of scientific domains and their development over time. Yet a structural inconsistency characterises dominant longitudinal implementations:…

社会与信息网络 · 计算机科学 2026-03-09 Massimo Aria , Luca D'Aniello , Michelangelo Misuraca , Maria Spano

In this work, the possibility of clustering correlated random variables was examined, both because of their mutual similarity and because of their similarity to the principal components. The k-means algorithm and spectral algorithms were…

机器学习 · 计算机科学 2019-09-10 Zenon Gniazdowski , Dawid Kaliszewski

Languages are continuously undergoing changes, and the mechanisms that underlie these changes are still a matter of debate. In this work, we approach language evolution through the lens of causality in order to model not only how various…

计算与语言 · 计算机科学 2022-05-10 Daphna Keidar , Andreas Opedal , Zhijing Jin , Mrinmaya Sachan

Pop culture is an important aspect of communication. On social media people often post pop culture reference images that connect an event, product or other entity to a pop culture domain. Creating these images is a creative challenge that…

人机交互 · 计算机科学 2023-02-21 Sitong Wang , Savvas Petridis , Taeahn Kwon , Xiaojuan Ma , Lydia B. Chilton

Word choice is dependent on the cultural context of writers and their subjects. Different words are used to describe similar actions, objects, and features based on factors such as class, race, gender, geography and political affinity.…

计算与语言 · 计算机科学 2018-07-02 Taylor Arnold , Lauren Tilton

Data clustering is the process of identifying natural groupings or clusters within multidimensional data based on some similarity measure. Clustering is a fundamental process in many different disciplines. Hence, researchers from different…

机器学习 · 计算机科学 2014-08-26 Sibei Yang , Liangde Tao , Bingchen Gong

The explosion in the availability of natural language data in the era of social media has given rise to a host of applications such as sentiment analysis and opinion mining. Simultaneously, the growing availability of precise geolocation…

计算与语言 · 计算机科学 2021-08-03 Olga Kellert , Nicholas H. Matlis

Temporal editing patterns on Wikipedia provide a unique computational lens to explore cultural dynamics across linguistic communities. This study analyses over a decade of editorial activity (2001-2010) across eleven Wikipedia language…

物理与社会 · 物理学 2026-03-03 David André Villamil Carrillo , Yérali Gandica

We review clustering as an analysis tool and the underlying concepts from an introductory perspective. What is clustering and how can clusterings be realised programmatically? How can data be represented and prepared for a clustering task?…

机器学习 · 计算机科学 2022-12-05 Jan-Oliver Felix Kapp-Joswig , Bettina G. Keller

Although Large Language Models (LLMs) have demonstrated strong language understanding and generation abilities across various languages, their cultural knowledge is often limited to English-speaking communities, which can marginalize the…

计算与语言 · 计算机科学 2025-06-05 Ayuto Tsutsumi , Yuu Jinnai

Improving cultural competence of language technologies is important. However most recent works rarely engage with the communities they study, and instead rely on synthetic setups and imperfect proxies of culture. In this work, we take a…

计算与语言 · 计算机科学 2025-06-13 Shaily Bhatt , Tal August , Maria Antoniak

Large Language Models (LLMs) are increasingly used to generate narrative content, including children's stories, which play an important role in social and cultural learning. Despite growing interest in AI safety and alignment, most existing…

计算与语言 · 计算机科学 2026-04-21 Yuxuan Ouyang , yingfeng luo , JingBo Zhu , Tong Xiao

Stories play a pivotal role in human communication, shaping beliefs and morals, particularly in children. As parents increasingly rely on large language models (LLMs) to craft bedtime stories, the presence of cultural and gender stereotypes…

计算与语言 · 计算机科学 2025-09-10 Donya Rooein , Vilém Zouhar , Debora Nozza , Dirk Hovy