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Interactive visualizations can accelerate the data analysis loop through near-instantaneous feedback. To achieve interactivity, techniques such as data cubes and sampling are typically employed. While data cubes can speedup querying for…

Databases · Computer Science 2017-10-06 Niranjan Kamat , Arnab Nandi

The growing use of unstructured text in business research makes topic modeling a central tool for constructing explanatory variables from reviews, social media, and open-ended survey responses, yet existing approaches function poorly as…

Computation and Language · Computer Science 2026-03-05 Stephan Ludwig , Peter J. Danaher , Xiaohao Yang

Data intensive research requires the support of appropriate datasets. However, it is often time-consuming to discover usable datasets matching a specific research topic. We formulate the dataset discovery problem on an attributed…

Information Retrieval · Computer Science 2021-06-08 Basmah Altaf , Shichao Pei , Xiangliang Zhang

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…

Computation and Language · Computer Science 2017-07-20 Franziska Horn , Leila Arras , Grégoire Montavon , Klaus-Robert Müller , Wojciech Samek

Systematic reviews provide comprehensive syntheses of research fields. As a result, systematic reviews often emphasize synthesizing across the large bodies of literature rather than just describing the studies from which the conclusions…

We propose a topic modeling approach to the prediction of preferences in pairwise comparisons. We develop a new generative model for pairwise comparisons that accounts for multiple shared latent rankings that are prevalent in a population…

Machine Learning · Computer Science 2015-01-27 Weicong Ding , Prakash Ishwar , Venkatesh Saligrama

We address the challenge of incorporating document-level metadata into topic modeling to improve topic mixture estimation. To overcome the computational complexity and lack of theoretical guarantees in existing Bayesian methods, we extend…

Machine Learning · Computer Science 2025-03-18 Yeo Jin Jung , Claire Donnat

Topic modeling is a technique for organizing and extracting themes from large collections of unstructured text. Non-negative matrix factorization (NMF) is a common unsupervised approach that decomposes a term frequency-inverse document…

Machine Learning · Computer Science 2024-07-30 Selma Wanna , Ryan Barron , Nick Solovyev , Maksim E. Eren , Manish Bhattarai , Kim Rasmussen , Boian S. Alexandrov

For large volumes of text data collected over time, a key knowledge discovery task is identifying and tracking clusters. These clusters may correspond to emerging themes, popular topics, or breaking news stories in a corpus. Therefore,…

Information Retrieval · Computer Science 2016-08-07 Derek Greene , Daniel Archambault , Václav Belák , Pádraig Cunningham

Novel neural architectures, training strategies, and the availability of large-scale corpora haven been the driving force behind recent progress in abstractive text summarization. However, due to the black-box nature of neural models,…

Computation and Language · Computer Science 2021-07-27 Jesse Vig , Wojciech Kryściński , Karan Goel , Nazneen Fatema Rajani

This paper proposes a faceted information exploration model that supports coarse-grained and fine-grained focusing of geographic maps by offering a graphical representation of data attributes within interactive widgets. The proposed…

Human-Computer Interaction · Computer Science 2020-05-08 Noemi Mauro , Liliana Ardissono , Maurizio Lucenteforte

Latent Semantic Analysis is a method of matrix decomposition used for discovering topics and topic weights in natural language documents. This study uses Latent Semantic Analysis to analyze the composition of binaries of malicious programs.…

Cryptography and Security · Computer Science 2023-03-02 John Musgrave , Temesguen Messay-Kebede , David Kapp , Anca Ralescu

Topic models have been widely used in discovering latent topics which are shared across documents in text mining. Vector representations, word embeddings and topic embeddings, map words and topics into a low-dimensional and dense real-value…

Computation and Language · Computer Science 2017-02-24 Jarvan Law , Hankz Hankui Zhuo , Junhua He , Erhu Rong

Text summarization aims to compress a textual document to a short summary while keeping salient information. Extractive approaches are widely used in text summarization because of their fluency and efficiency. However, most of existing…

Computation and Language · Computer Science 2020-10-14 Peng Cui , Le Hu , Yuanchao Liu

Current research has explored how Generative AI can support the brainstorming process for content creators, but a gap remains in exploring support-tools for the pre-writing process. Specifically, our research is focused on supporting users…

Human-Computer Interaction · Computer Science 2024-06-19 Grace Li , Tao Long , Lydia B. Chilton

Traditional neural topic models are typically optimized by reconstructing the document's Bag-of-Words (BoW) representations, overlooking contextual information and struggling with data sparsity. In this work, we propose a novel approach to…

Computation and Language · Computer Science 2026-02-23 Raymond Li , Amirhossein Abaskohi , Chuyuan Li , Gabriel Murray , Giuseppe Carenini

This work describes the theory and the implementation of a new software tool, the "Web Topical Discovery System" (WTDS), which provides an approach to the automatic discovery and selection of new web pages relevant to specific analytical…

Information Retrieval · Computer Science 2015-07-09 Giancarlo Crocetti

Historical newspapers are a source of research for the human and social sciences. However, these image collections are difficult to read by machine due to the low quality of the print, the lack of standardization of the pages in addition to…

Information Retrieval · Computer Science 2020-02-21 José E. B. Maia , Gildácio J. de A. Sá

Cross-lingual topic models have been prevalent for cross-lingual text analysis by revealing aligned latent topics. However, most existing methods suffer from producing repetitive topics that hinder further analysis and performance decline…

Computation and Language · Computer Science 2024-03-28 Xiaobao Wu , Xinshuai Dong , Thong Nguyen , Chaoqun Liu , Liangming Pan , Anh Tuan Luu

Scientific publications have evolved several features for mitigating vocabulary mismatch when indexing, retrieving, and computing similarity between articles. These mitigation strategies range from simply focusing on high-value article…

Machine Learning · Statistics 2017-12-20 Kriste Krstovski , Michael J. Kurtz , David A. Smith , Alberto Accomazzi
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