Results 41 to 50 of about 7,298 (159)

An Automatic Tagging System Focused on Digital Resources

open access: yesJournal of Harbin University of Science and Technology, 2020
In this paper, we proposed a novel automatic tagging system which aimed at the lack of tags about digital resources and the difficulty of extending tags This tagging system can effectively extend tags for public cultural resources we collected and other ...
LEIZhiwen, HUANG Ling
doaj   +1 more source

Aurora Image Classification Based on Multi-Feature Latent Dirichlet Allocation

open access: yesRemote Sensing, 2018
Due to the rich physical meaning of aurora morphology, the classification of aurora images is an important task for polar scientific expeditions. However, the traditional classification methods do not make full use of the different features of aurora ...
Yanfei Zhong   +4 more
doaj   +1 more source

Exploring the attributes of hotel service quality in Florianópolis-SC, Brazil: An analysis of tripAdvisor reviews

open access: yesCogent Business & Management, 2021
This study explores user-generated content (UGC) of the hotel sector in the city of Florianópolis-SC, Brazil, to identify the quality attributes of services and determine the polarity of the expressed feelings in the reviews of each attribute.
Clérito Kaveski Peres   +1 more
doaj   +1 more source

Latent Dirichlet Allocation in Public Procurement Documents Analysis for Determining Energy Efficiency Issues in Construction Works at Polish Universities

open access: yesEnergies, 2023
This paper presents a comprehensive analysis of public procurement documents in the domain of university buildings taken from the e-procurement platform, particularly focusing on their transformation towards more efficient energy consumption.
Anna Pamula   +3 more
doaj   +1 more source

Business intelligence using the fuzzy-Kano model

open access: yesJournal of Intelligence Studies in Business, 2019
Today, understanding customer satisfaction is becoming a difficult and complex task for companies due to the explosive growth of the voice of the customer in online reviews.
Soumaya Lamrharia   +2 more
doaj   +1 more source

Information Extraction from Electronic Medical Records using Natural Language Processing Techniques

open access: yesJournal of Applied Sciences and Environmental Management, 2020
Patients share key information about their health with medical practitioners during clinic consultations. These key information may include their past medications and allergies, current situations/issues, and expectations.
E. Ogbuju, G.N. Obunadike
doaj   +1 more source

Exploring Symmetrical and Asymmetrical Dirichlet Priors for Latent Dirichlet Allocation

open access: yesInternational Journal of Semantic Computing, 2018
Latent Dirichlet Allocation (LDA) has gained much attention from researchers and is increasingly being applied to uncover underlying semantic structures from a variety of corpora. However, nearly all researchers use symmetrical Dirichlet priors, often unaware of the underlying practical implications that they bear.
Shaheen Syed, Marco Spruit
openaire   +2 more sources

Particle Filter Rejuvenation and Latent Dirichlet Allocation [PDF]

open access: yesProceedings of the 52nd Annual Meeting of the Association for Computational Linguistics (Volume 2: Short Papers), 2014
Previous research has established several methods of online learning for latent Dirichlet allocation (LDA). However, streaming learning for LDA— allowing only one pass over the data and constant storage complexity—is not as well explored. We use reservoir sampling to reduce the storage complexity of a previously-studied online algorithm, namely the ...
Chandler May   +2 more
openaire   +1 more source

A Spatial Semantic Feature Extraction Method for Urban Functional Zones Based on POIs

open access: yesISPRS International Journal of Geo-Information
Accurately extracting semantic features of urban functional zones is crucial for understanding urban functional zone types and urban functional spatial structures.
Xin Yang, Xi’ang Ma
doaj   +1 more source

Sparse Stochastic Inference for Latent Dirichlet allocation [PDF]

open access: yes, 2012
We present a hybrid algorithm for Bayesian topic models that combines the efficiency of sparse Gibbs sampling with the scalability of online stochastic inference. We used our algorithm to analyze a corpus of 1.2 million books (33 billion words) with thousands of topics.
David M. Mimno   +2 more
openaire   +2 more sources

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