Results 11 to 20 of about 1,022,373 (272)

Uncovering dynamic textual topics that explain crime

open access: yesRoyal Society Open Science, 2021
Crime analysis/mapping techniques have been developed and applied for crime detection and prevention to predict where and when crime occurs, leveraging historical crime records over a spatial area and covariates for the spatial domain.
Seppo Virtanen
doaj   +1 more source

Differential Topic Models [PDF]

open access: yesIEEE Transactions on Pattern Analysis and Machine Intelligence, 2015
In applications we may want to compare different document collections: they could have shared content but also different and unique aspects in particular collections. This task has been called comparative text mining or cross-collection modeling.
Chen, Changyou   +4 more
openaire   +4 more sources

Coordinated Topic Modeling

open access: yesProceedings of the 2022 Conference on Empirical Methods in Natural Language Processing, 2022
We propose a new problem called coordinated topic modeling that imitates human behavior while describing a text corpus. It considers a set of well-defined topics like the axes of a semantic space with a reference representation. It then uses the axes to model a corpus for easily understandable representation. This new task helps represent a corpus more
Akash, Pritom Saha   +2 more
openaire   +2 more sources

Mapping the sociodemographic distribution and self-reported justifications for non-compliance with COVID-19 guidelines in the United Kingdom

open access: yesFrontiers in Psychology, 2023
Which population factors have predisposed people to disregard government safety guidelines during the COVID-19 pandemic and what justifications do they give for this non-compliance?
Maria Bălăeț   +12 more
doaj   +1 more source

A Query-Driven Topic Model [PDF]

open access: yesFindings of the Association for Computational Linguistics: ACL-IJCNLP 2021, 2021
Topic modeling is an unsupervised method for revealing the hidden semantic structure of a corpus. It has been increasingly widely adopted as a tool in the social sciences, including political science, digital humanities and sociological research in general.
Rob Procter, Zheng Fang, Yulan He
openaire   +4 more sources

Technology Project Summaries as a Predictor of Crowdfunding Success

open access: yesTechnology Innovation Management Review, 2022
Crowdfunding has emerged in recent years as an important alternative means for technology entrepreneurs to raise funds for their products and business ideas. While the success rate of crowdfunding projects is somewhat low, scholarly understanding of what
M. Westerlund   +3 more
doaj   +1 more source

The impact of news media on Bitcoin prices: modelling data driven discourses in the crypto-economy with natural language processing

open access: yesRoyal Society Open Science, 2022
This paper examines the relationship between events reported in international news via categorical discourses and Bitcoin price. Natural language processing was adopted in this study to model data-driven discourses in the crypto-economy, specifically the
Kelly Ann Coulter
doaj   +1 more source

Discovering Trends and Journeys in Knowledge-Based Human Resource Management: Big Data Smart Literature Review Based on Machine Learning Approach

open access: yesIEEE Access, 2023
The research interest of knowledge in human resource management (HRM) is significant. Bibliometric or systematic literature review studies capture the main areas and trends in the field of HRM. However, many HRM studies work only with a limited number of
Lukas Falat   +3 more
doaj   +1 more source

MAPPING THE CHATTER: SPATIAL METAPHORS FOR DYNAMIC TOPIC MODELLING OF SOCIAL MEDIA [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2022
Topic modelling is a branch of Natural Language Processing (NLP) that deals with the discovery of conversation topics in a given document corpus. In social media, this translates into aggregating social media posts, e.g.
L. Morandini   +2 more
doaj   +1 more source

TOPIC MODELLING SKRIPSI MENGGUNAKAN METODE LATENT DIRICLHET ALLOCATION

open access: yesJSiI (Jurnal Sistem Informasi), 2020
Abstrak - Program Studi Sastra Inggris di Universitas Islam Negeri Sunan Ampel Surabaya (UINSA) telah ditemukan permasalahan bahwa belum ada yang melakukan clustering pada topik skripsi mahasiswa. Clustering tersebut digunakan dalam topic modelling untuk
Alif Iffan Alfanzar   +2 more
doaj   +1 more source

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