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Word clouds are a popular text visualization technique that summarize an input text by displaying its most important words in a compact image. The traditional layout methods do not take proximity effects between words into account; this has…

Human-Computer Interaction · Computer Science 2023-06-23 Michael Huber , Martin Nöllenburg , Anaïs Villedieu

Semantic word clouds visualize the semantic relatedness between the words of a text by placing pairs of related words close to each other. Formally, the problem of drawing semantic word clouds corresponds to drawing a rectangle contact…

Computational Geometry · Computer Science 2026-02-05 Carolina Haase , Philipp Kindermann

Tokenization plays a critical role in language modeling, yet existing approaches such as Byte-Pair Encoding (BPE) or WordPiece operate purely on frequency statistics, ignoring the underlying semantic structure of text. This leads to…

Computation and Language · Computer Science 2025-08-22 Dong Liu , Yanxuan Yu

Story visualization aims to generate a sequence of images to narrate each sentence in a multi-sentence story with a global consistency across dynamic scenes and characters. Current works still struggle with output images' quality and…

Computer Vision and Pattern Recognition · Computer Science 2022-09-23 Bowen Li , Thomas Lukasiewicz

Story visualization aims to generate a sequence of images to narrate each sentence in a multi-sentence story, where the images should be realistic and keep global consistency across dynamic scenes and characters. Current works face the…

Computer Vision and Pattern Recognition · Computer Science 2022-11-15 Bowen Li , Thomas Lukasiewicz

Voronoi treemaps are used to depict nodes and their hierarchical relationships simultaneously. However, in addition to the hierarchical structure, data attributes, such as co-occurring features or similarities, frequently exist. Examples…

Graphics · Computer Science 2025-08-07 Patrick Paetzold , Rebecca Kehlbeck , Yumeng Xue , Bin Chen , Yunhai Wang , Oliver Deussen

Uncovering hidden topics from short texts is challenging for traditional and neural models due to data sparsity, which limits word co-occurrence patterns, and label sparsity, stemming from incomplete reconstruction targets. Although data…

Computation and Language · Computer Science 2025-01-24 Quang Duc Nguyen , Tung Nguyen , Duc Anh Nguyen , Linh Ngo Van , Sang Dinh , Thien Huu Nguyen

Story visualization has gained increasing attention in artificial intelligence. However, existing methods still struggle with maintaining a balance between character identity preservation and text-semantics alignment, largely due to a lack…

Computer Vision and Pattern Recognition · Computer Science 2025-02-26 Jinlu Zhang , Jiji Tang , Rongsheng Zhang , Tangjie Lv , Xiaoshuai Sun

The clustering of text documents in the vector space of semantic fields and in the semantic space with orthogonal basis has been analysed. It is shown that using the vector space model with the basis of semantic fields is effective in the…

Computation and Language · Computer Science 2012-12-10 Bohdan Pavlyshenko

Point feature labeling is a classical problem in cartography and GIS that has been extensively studied for geospatial point data. At the same time, word clouds are a popular visualization tool to show the most important words in text data…

Computational Geometry · Computer Science 2021-09-10 Sujoy Bhore , Robert Ganian , Guangping Li , Martin Nöllenburg , Jules Wulms

Due to the significant increase of communications between individuals via social media (Facebook, Twitter, Linkedin) or electronic formats (email, web, e-publication) in the past two decades, network analysis has become a unavoidable…

Methodology · Statistics 2017-01-17 Bouveyron Charles , Latouche Pierre , Zreik Rawya

Many real-world datasets -- from an artist's body of work to a person's social media history -- exhibit meaningful semantic changes over time that are difficult to capture with existing dimensionality reduction methods. To address this gap,…

Human-Computer Interaction · Computer Science 2025-09-03 Matte Lim , Catherine Yeh , Martin Wattenberg , Fernanda Viégas , Panagiotis Michalatos

Word clouds are frequently used to analyze and communicate text data in many domains. In order to help guide research on improving the legibility of word clouds, we have conducted a survey of their usage in Digital Humanities academia and…

Human-Computer Interaction · Computer Science 2022-10-18 Rebecca M. M. Hicke , Maanya Goenka , Eric Alexander

Text-to-point-cloud (T2P) localization aims to infer precise spatial positions within 3D point cloud maps from natural language descriptions, reflecting how humans perceive and communicate spatial layouts through language. However, existing…

Computer Vision and Pattern Recognition · Computer Science 2026-03-11 Shuhao Kang , Youqi Liao , Peijie Wang , Wenlong Liao , Qilin Zhang , Benjamin Busam , Xieyuanli Chen , Yun Liu

We propose a new task, called Story Visualization. Given a multi-sentence paragraph, the story is visualized by generating a sequence of images, one for each sentence. In contrast to video generation, story visualization focuses less on the…

Computer Vision and Pattern Recognition · Computer Science 2019-04-19 Yitong Li , Zhe Gan , Yelong Shen , Jingjing Liu , Yu Cheng , Yuexin Wu , Lawrence Carin , David Carlson , Jianfeng Gao

In this paper, we propose a novel space partitioning strategy for implicit hierarchy visualization such that the new plot not only has a tidy layout similar to the treemap, but also is flexible to data changes similar to the Voronoi…

Data Structures and Algorithms · Computer Science 2020-09-17 Yan-Chao Wang , Feng Lin , Hock-Soon Seah

Recent advances in large language models enable documents to be represented as dense semantic embeddings, supporting similarity-based operations over large text collections. However, many web-scale systems still rely on flat clustering or…

Computation and Language · Computer Science 2026-01-30 Thomas Haschka , Joseph Bakarji

Traditionally a document is visualized by a word cloud. Recently, distributed representation methods for documents have been developed, which map a document to a set of topic embeddings. Visualizing such a representation is useful to…

Information Retrieval · Computer Science 2017-02-07 Shaohua Li , Tat-Seng Chua

Story visualization (SV) is a challenging text-to-image generation task for the difficulty of not only rendering visual details from the text descriptions but also encoding a long-term context across multiple sentences. While prior efforts…

Computer Vision and Pattern Recognition · Computer Science 2023-08-22 Daechul Ahn , Daneul Kim , Gwangmo Song , Seung Hwan Kim , Honglak Lee , Dongyeop Kang , Jonghyun Choi

Dimension reduction (DR) can transform high-dimensional text embeddings into a 2D visual projection facilitating the exploration of document similarities. However, the projection often lacks connection to the text semantics, due to the…

Human-Computer Interaction · Computer Science 2024-09-09 Wei Liu , Chris North , Rebecca Faust
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