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82 articles for “topic models”
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Weighted Latent Dirichlet Allocation, an Optimized and Generalized Probabilistic Topic Model
Abstract: In this study, we have introduced a new distribution named as Mixture Weighted Dirichlet Distribution (MWDD) which acts as generalization to other distributions viz. Dirichlet Distribution, Length or Size-Biased Dirichlet, Area Biased and Volume Biased Dirichlet distributions. Aim of this research is to introduce and implement MWDD for Probabilistic Topic Modeling of Corpus of textual data as an optimized as well as generalized probabilistic topic model. Various statistical and structural …
Published in Journal of Artificial Intelligence Research & Advances · Vol. 5, Issue 1, 2018 · pp. 18–31 Read article
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Visionary Fusion: Empowering Robot Sight with Model-driven Multi-band Enhancement
Abstract: Single image enhancement is crucial for improving visual quality in applications like robot vision. This study proposes a novel topic-model assisted multi-band image fusion method to enhance a single input image while preserving semantic information. The key innovation is using topic models for adaptive band fusion based on image content. Comparative experiments on benchmark datasets demonstrate that the proposed technique outperforms state-of-the-art methods in quantitative and qualitative evaluation. This study …
Published in Journal of Advancements in Robotics · Vol. 10, Issue 3, 2023 · pp. 11–19 Read article
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Social Media Analysis Using Big Data
Abstract: Social media has become an essential aspect of everyday life across different age groups, serving functions ranging from sharing personal updates to staying informed about social developments. Our objective is to harness big data to extract meaningful insights from the immense and ever-expanding volume of data generated on social media platforms. We will collect and analyze data from various social media sources, including text, images, and user interactions, using cutting-edge …
Published in Journal of Advanced Database Management & Systems · Vol. 11, Issue 3, 2024 · pp. 35–46 Read article
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Smart Agriculture System using IoT: Farming in the Digital Age
Abstract: Smart agriculture using IoT is an emerging field that promises to revolutionize farming practices by providing real-time data on various agricultural parameters. In this paper, we propose a smart agriculture system using IoT that integrates various sensors and devices to collect and analyze data on soil moisture, temperature, humidity, crop growth, and other factors that affect crop yield and quality. The system also includes a mobile app that provides farmers …
Published in Recent Trends in Sensor Research & Technology · Vol. 10, Issue 1, 2023 · pp. 15–20 Read article
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A Machine Learning-based Analysis of Climate Change
Abstract: Climatic variations are a pressing global challenge that demands immediate and comprehensive attention. A wealth of articles has been published on climate change mitigation and adaptation, yet there remains a need for innovative methods to explore the complexities of climatic variations and to devise more efficient and effective strategies for adjustment and alleviation. With technological advancements, machine learning (ML) and deep learning (DL) approaches have derived significant popularity across various …
Published in Research & Reviews : Journal of Space Science & Technology · Vol. 13, Issue 2, 2024 · pp. 1–10 Read article
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Study of Social Trends Prediction Using AI
Abstract: AI (Artificial Intelligence) has fundamentally changed the ability to analyze social trends by using large datasets to develop predictions about human behavior, public sentiment, and global events. Using methodologies such as Natural Language Processing (NLP), Time-Series Forecasting, and Graph-Based Social Network Analysis, AI is able to find hidden correlations in a variety of available datasets, from social media to economic indicators to public records, and fundamentally changes decision-making based on …
Published in Journal of Artificial Intelligence Research & Advances · Vol. 12, Issue 3, 2025 · pp. 19–29 Read article
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Quantitative Image-Based Assessment of Degradation Patterns in Polymer-Based Medical Implants
Abstract: Polymer-based medical devices are widely used in clinical practice, where long-term material degradation can compromise performance and patient safety. Traditional polymer degradation studies predominantly rely on laboratory-based experiments, which often fail to capture real-world operational and usage conditions. In this study, a multimodal, data-driven framework is proposed for the quantitative assessment of degradation patterns in polymer-based medical devices using publicly available clinical failure data. Structured operational parameters, including cumulative usage …
Published in Journal of Polymer & Composites · Vol. 14, Issue 2, 2026 · pp. 1510–1518 Read article
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Design and Implementation of a Framework for Travel Package Recommendations
Abstract: AbstractTravel package recommendations are very important research area as the recommendations can help travellers to make well-informed decisions. The rationale behind this is that travel packages that are suitable for particular trip or travel can provide many benefits to travellers. In the recent past, tourism became an important source of income to many public and private sectors. Therefore, governments are taking special interest on providing tourism facilities. Travel package refers …
Published in Current Trends in Information Technology · Vol. 7, Issue 2, 2017 · pp. 11–16 Read article
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An overview of Nanocrystalline Hydrogenated Silicon Thin film Transistor
Abstract: This article elaborates and comprehends an overview on nc-Si:H TFT's, detailing and highlighting the topics like fabrication methodology, properties/stability, modelling, characterization techniques, challenges and futuristic scope/applications.With the growing demands in commercialization of Solar Cells (low-cost photo voltaic devices), Large Area Displays (like OLED’s), Thin film electronics (FPD applications), pixel switches, wearable/flexible electronics and so on, has prompted researchers to develop nc-Si:H TFT's (an alternative solution) which can out perform the …
Published in Nano Trends – A Journal of Nano Technology & Its Applications · Vol. 27, Issue 2, 2025 · pp. 1–23 Read article
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Classroom Education using Augmented Reality
Abstract: AbstractThe primary objective is to boost existing education system by introducing the construction of improvement of reality through sensible mobile phones. With this technology, students and teachers each can get benefited. Moreover, teachers will choose their subject topics and present them in 3D Models,and neatly illustrate to their students. Even, students can well understand the topics explained with the assistance of 3D Models. AR permits flexibility in use that is …
Published in Journal of Operating Systems Development & Trends · Vol. 8, Issue 1, 2021 · pp. 31–36 Read article
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Analysis of Public Sentiment Variations on Twitter Data Set
Abstract: AbstractLarge numbers of users share their opinions on social networking sites, making it a valuable platform for tracking and analyzing public sentiment. Twitter has become a valuable platform for public to share their opinion. It can be used for sentiment analysis. Such tracking and analysis can provide critical information for decision making in various domains. It has attracted attention in both academia and industry. Sentiment analysis is nothing but finding …
Published in Recent Trends in Parallel Computing · Vol. 4, Issue 2, 2017 · pp. 32–57 Read article
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Physics of Semiconductors and Electronic Circuits
Abstract: This study talks about the basic ideas behind semiconductor physics and how important they are for making and running modern electronic circuits. It starts with a look at intrinsic and extrinsic semiconductors, going into how charge carriers move, energy band theory, and how doping affects how well the electricity flows. Next, the conversation turns to semiconductor devices like diodes, bipolar junction transistors (BJTs), and field-effect transistors (FETs). The focus is …
Published in Journal of Semiconductor Devices and Circuits · Vol. 12, Issue 2, 2025 · pp. 9–17 Read article
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Black-Scholes and Binomial Option Pricing Model: A Comparative Analysis
Abstract: It is a well-known fact in the trading world that a portfolio is always exposed to price risk, which can occur anytime during the trading period, but the overall risk can be mitigated up to a certain level if a trader adopts relevant risk mitigation strategy before taking his/her position in the market. An option is one of the major derivative tools for hedging as well as risk management. There …
Published in Research & Reviews : Journal of Statistics · Vol. 6, Issue 3, 2017 · pp. 1–9 Read article
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The Probability Model of Customer Retention with Measuring Customers’ Satisfactions
Abstract: Customer retention rate is an important topic in E-commerce when company hopes to keep the profit from the active customers by marketing programs. This study constructs a probability model to consider customer retention, follows Weibull distribution and is influenced by their satisfaction which is considered as a parameter on retention probability density function. A Bayesian form is formulated by calculating marginal density of customer retention. This probability model can predict …
Published in E-Commerce for Future & Trends · Vol. 8, Issue 1, 2021 · pp. 31–34 Read article
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A Review on AI and Machine Learning for Predictive Maintenance and FDD in RAC Systems
Abstract: The paper reviews the existing AI/ML methods first in the general context of predictive maintenance and FDD of RAC systems, then specifically focusing on granular cooling appliances. Perspectives and insights are provided on the reasons why potentially valuable models do not make it into practice more often, and where future research and development should be headed. New emerging topics for decision support systems to include domain knowledge and physics-based modeling …
Published in Journal of Refrigeration, Air conditioning, Heating and ventilation · Vol. 13, Issue 1, 2026 · pp. 15–25 Read article
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Comparison of Different Modulation Techniques for High Bandwidth Visible Light Communication
Abstract: Visible light communication (VLC) has gained tremendous importance due to its potential for ease, effectiveness and long lifetime. Slow response of phosphorescent components limits the modulation bandwidth of the white LED to the lower MHz range. Different modulation techniques have been used for VLC to achieve extended bandwidth, high data rate and bit-error-ratio within the forward error correction limit. This paper represents comparison of three different modulations techniques used for …
Published in Recent Trends in Electronics Communication Systems · Vol. 2, Issue 3, 2015 · pp. 32–38 Read article
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Healthcare Monitoring System using IoT and RSA Algorithm
Abstract: There is a growing interest in developing solutions for the elderly living assistance in a world with an accelerated population aging. The Internet of Things is a new reality that transforms our everyday life completely and aims to revolutionize traditional healthcare by creating a more personalized, proactive, and collaborative model of treatment. In order to incorporate these two important topics, this work provides an IoT-ready system for elderly living care …
Published in Research & Reviews: A Journal of Embedded System & Applications · Vol. 9, Issue 1, 2021 · pp. 19–24 Read article
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Electromechanical Modeling of Microscale Fluidic Systems with Electro Kinetic
Abstract: Due to their capacity to carry out complex fluid manipulations at the microscale, microfluidic systems have become more popular in a variety of applications. For a variety of industries, including biomedical diagnostics, chemical analysis, and environmental monitoring, achieving precise and effective fluid control is essential. The electromechanical modeling of microscale fluidic systems using electro kinetic actuation is the main topic of this research study. We propose a thorough framework for …
Published in International Journal of Electro-Mechanics and Material Behaviour · Vol. 1, Issue 1, 2023 · pp. 18–22 Read article
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Nanoparticles Effects and Applications in Drug Delivery: A Review
Abstract: Physicochemical and biological barriers, pathways for drug delivery, formulation, pharmacokinetic and pharmacodynamic issues, metabolism, and cell culture models used in studying drug delivery are just some of the topics that make drug delivery an exciting field for researchers. Importance of drug delivery to chemists, medicinal and otherwise, has been increased. This paper is all about the Drug Delivery using nanoparticles, toxicological effects, its Applications and use of NP formulations in …
Published in Trends in Drug Delivery · Vol. 1, Issue 1, 2014 · pp. 24–28 Read article
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Remote Healthcare Diabetic Retinopathy Detection Using Deep Learning
Abstract: High blood glucose levels are a hallmark of diabetes mellitus (DM), a metabolic disease. This can give rise to a range of complications, with Diabetic Retinopathy (DR) being among them. DR can impair vision and, if not addressed, may lead to a loss of eyesight. Symptoms include aberrant blood vessels, fluid leaks, exudates, haemorrhages, and retinal microaneurysms. With the advancement of technology, medical imaging has become one of the most …
Published in Journal of Open Source Developments · Vol. 10, Issue 2, 2023 · pp. 42–47 Read article