Fort Myers
How AI can improve storm surge forecasts to help save lives
Hurricanes are America's most destructive natural hazards, causing more deaths and property damage than any other type of disaster. Since 1980, these powerful tropical storms have done more than US$1.5 trillion in damage and killed more than 7,000 people. The No. 1 cause of the damages and deaths from hurricanes is storm surge . Storm surge is the rise in the ocean's water level, caused by a combination of powerful winds pushing water toward the coastline and reduced air pressure within the hurricane compared to the pressure outside of it. In addition to these factors, waves breaking close to the coast causes sea level to increase near the coastline, a phenomenon we call wave setup, which can be an important component of storm surge.
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A Machine Learning Framework for Breast Cancer Treatment Classification Using a Novel Dataset
Hasan, Md Nahid, Murshed, Md Monzur, Hasan, Md Mahadi, Chowdhury, Faysal A.
Breast cancer (BC) remains a significant global health challenge, with personalized treatment selection complicated by the disease's molecular and clinical heterogeneity. BC treatment decisions rely on various patient-specific clinical factors, and machine learning (ML) offers a powerful approach to predicting treatment outcomes. This study utilizes The Cancer Genome Atlas (TCGA) breast cancer clinical dataset to develop ML models for predicting the likelihood of undergoing chemotherapy or hormonal therapy. The models are trained using five-fold cross-validation and evaluated through performance metrics, including accuracy, precision, recall, specificity, sensitivity, F1-score, and area under the receiver operating characteristic curve (AUROC). Model uncertainty is assessed using bootstrap techniques, while SHAP values enhance interpretability by identifying key predictors. Among the tested models, the Gradient Boosting Machine (GBM) achieves the highest stable performance (accuracy = 0.7718, AUROC = 0.8252), followed by Extreme Gradient Boosting (XGBoost) (accuracy = 0.7557, AUROC = 0.8044) and Adaptive Boosting (AdaBoost) (accuracy = 0.7552, AUROC = 0.8016). These findings underscore the potential of ML in supporting personalized breast cancer treatment decisions through data-driven insights.
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- Health & Medicine > Therapeutic Area > Oncology > Breast Cancer (0.80)
AI Horizon Scanning, White Paper p3395, IEEE-SA. Part I: Areas of Attention
Cortês, Marina, Liddle, Andrew R., Emmanouilidis, Christos, Kelly, Anthony E., Matusow, Ken, Ragunathan, Ragu, Suess, Jayne M., Tambouratzis, George, Zalewski, Janusz, Bray, David A.
Generative Artificial Intelligence (AI) models may carry societal transformation to an extent demanding a delicate balance between opportunity and risk. This manuscript is the first of a series of White Papers informing the development of IEEE-SA's p3995: `Standard for the Implementation of Safeguards, Controls, and Preventive Techniques for Artificial Intelligence (AI) Models', Chair: Marina Cort\^{e}s (https://standards.ieee.org/ieee/3395/11378/). In this first horizon-scanning we identify key attention areas for standards activities in AI. We examine different principles for regulatory efforts, and review notions of accountability, privacy, data rights and mis-use. As a safeguards standard we devote significant attention to the stability of global infrastructures and consider a possible overdependence on cloud computing that may result from densely coupled AI components. We review the recent cascade-failure-like Crowdstrike event in July 2024, as an illustration of potential impacts on critical infrastructures from AI-induced incidents in the (near) future. It is the first of a set of articles intended as White Papers informing the audience on the standard development. Upcoming articles will focus on regulatory initiatives, technology evolution and the role of AI in specific domains.
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Florida sniper shoots, kills bank robber holding hostages through computer monitor: Video
Lee County Sheriff's Office released footage of the rescue of hostages held by suspect on February 6 at a Bank of America in Fort Myers, Florida. Video released by a Florida sheriff's office shows the moment a sniper had to shoot through a computer monitor, killing an suspected armed bank robber who was holding hostages. It all unfolded Feb. 6 at a Fort Myers Bank of America, the Lee County Sheriff's Office (LCSO), headed by Sheriff Carmine Marceno, said. Responding deputies discovered the suspect had a knife, and he had claimed he had a bomb while detaining a man and a woman. "We tried to negotiate with him continuously," Sheriff Marceno said in a previous press conference, adding that at one point the suspect held a knife to the female hostage's throat.
Storm Surge Modeling in the AI ERA: Using LSTM-based Machine Learning for Enhancing Forecasting Accuracy
Giaremis, Stefanos, Nader, Noujoud, Dawson, Clint, Kaiser, Hartmut, Kaiser, Carola, Nikidis, Efstratios
Physics simulation results of natural processes usually do not fully capture the real world. This is caused for instance by limits in what physical processes are simulated and to what accuracy. In this work we propose and analyze the use of an LSTM-based deep learning network machine learning (ML) architecture for capturing and predicting the behavior of the systemic error for storm surge forecast models with respect to real-world water height observations from gauge stations during hurricane events. The overall goal of this work is to predict the systemic error of the physics model and use it to improve the accuracy of the simulation results post factum. We trained our proposed ML model on a dataset of 61 historical storms in the coastal regions of the U.S. and we tested its performance in bias correcting modeled water level data predictions from hurricane Ian (2022). We show that our model can consistently improve the forecasting accuracy for hurricane Ian -- unknown to the ML model -- at all gauge station coordinates used for the initial data. Moreover, by examining the impact of using different subsets of the initial training dataset, containing a number of relatively similar or different hurricanes in terms of hurricane track, we found that we can obtain similar quality of bias correction by only using a subset of six hurricanes. This is an important result that implies the possibility to apply a pre-trained ML model to real-time hurricane forecasting results with the goal of bias correcting and improving the produced simulation accuracy. The presented work is an important first step in creating a bias correction system for real-time storm surge forecasting applicable to the full simulation area. It also presents a highly transferable and operationally applicable methodology for improving the accuracy in a wide range of physics simulation scenarios beyond storm surge forecasting.
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Data Augmentation for Emotion Detection in Small Imbalanced Text Data
Koufakou, Anna, Grisales, Diego, de jesus, Ragy Costa, Fox, Oscar
Emotion recognition in text, the task of identifying emotions such as joy or anger, is a challenging problem in NLP with many applications. One of the challenges is the shortage of available datasets that have been annotated with emotions. Certain existing datasets are small, follow different emotion taxonomies and display imbalance in their emotion distribution. In this work, we studied the impact of data augmentation techniques precisely when applied to small imbalanced datasets, for which current state-of-the-art models (such as RoBERTa) under-perform. Specifically, we utilized four data augmentation methods (Easy Data Augmentation EDA, static and contextual Embedding-based, and ProtAugment) on three datasets that come from different sources and vary in size, emotion categories and distributions. Our experimental results show that using the augmented data when training the classifier model leads to significant improvements. Finally, we conducted two case studies: a) directly using the popular chat-GPT API to paraphrase text using different prompts, and b) using external data to augment the training set. Results show the promising potential of these methods.
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Police are using invasive facial recognition software to put every American in a perpetual lineup
Face ID utilizes facial recognition technology to scan your face and verify your identity. When activated, the feature uses the front-facing camera; or selfie cam, to securely authenticate you are the owner of the iPhone. Think twice before posting that selfie on Facebook; you might be added to a police database. CLICK TO GET KURT'S CYBERGUY NEWSLETTER WITH QUICK TIPS, TECH REVIEWS, SECURITY ALERTS AND EASY HOW-TO'S TO MAKE YOU SMARTER With all the excitement around AI, thanks to ChatGPT, many are cheering for this technology and loving its optimizing powers. Unfortunately, this onion has many layers; the deeper we go, the stinkier it gets.
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Automatically Classifying Emotions based on Text: A Comparative Exploration of Different Datasets
Koufakou, Anna, Garciga, Jairo, Paul, Adam, Morelli, Joseph, Frank, Christopher
Emotion Classification based on text is a task with many applications which has received growing interest in recent years. This paper presents a preliminary study with the goal to help researchers and practitioners gain insight into relatively new datasets as well as emotion classification in general. We focus on three datasets that were recently presented in the related literature, and we explore the performance of traditional as well as state-of-the-art deep learning models in the presence of different characteristics in the data. We also explore the use of data augmentation in order to improve performance. Our experimental work shows that state-of-the-art models such as RoBERTa perform the best for all cases. We also provide observations and discussion that highlight the complexity of emotion classification in these datasets and test out the applicability of the models to actual social media posts we collected and labeled.
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40 Healthcare Technology Startups and Companies on the Forefront of Modern Medicine
In the fall of 2018, corporate finance advisory firm Hampleton published a report titled, "The healthtech sector is currently one of the most dynamic in technology M&A." As a summary of the report notes, "aging populations, increasing patient demands and the rise of lifestyle diseases, coupled with pressure on the costs for delivering care are forcing healthcare providers to innovate to improve the quality of their services and lower their prices." Those innovations are made possible by technologies that range from blockchain and artificial intelligence to big data analysis and advanced sensors. IoT connectivity plays a key role, too. And data is central, but not on its own.
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Artificial Intelligence's role in return-to-work for Southwest Florida
FORT MYERS, Fla – Many Southwest Floridians are still working from home, more than a year into the COVID-19 pandemic. A big question on many minds: Will we ever see a full return-to-work, and if so, when? Fox 4 spoke with CareerSource Southwest Florida to help answer those questions. CareerSource works with several local business owners to understand their hiring needs, so they have a good grasp on what most companies are doing. It said the short answer is yes, we will see a return-to-work for a majority of companies.
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