Ypsilanti
Leveraging Explainable AI for LLM Text Attribution: Differentiating Human-Written and Multiple LLMs-Generated Text
Najjar, Ayat, Ashqar, Huthaifa I., Darwish, Omar, Hammad, Eman
The development of Generative AI Large Language Models (LLMs) raised the alarm regarding identifying content produced through generative AI or humans. In one case, issues arise when students heavily rely on such tools in a manner that can affect the development of their writing or coding skills. Other issues of plagiarism also apply. This study aims to support efforts to detect and identify textual content generated using LLM tools. We hypothesize that LLMs-generated text is detectable by machine learning (ML), and investigate ML models that can recognize and differentiate texts generated by multiple LLMs tools. We leverage several ML and Deep Learning (DL) algorithms such as Random Forest (RF), and Recurrent Neural Networks (RNN), and utilized Explainable Artificial Intelligence (XAI) to understand the important features in attribution. Our method is divided into 1) binary classification to differentiate between human-written and AI-text, and 2) multi classification, to differentiate between human-written text and the text generated by the five different LLM tools (ChatGPT, LLaMA, Google Bard, Claude, and Perplexity). Results show high accuracy in the multi and binary classification. Our model outperformed GPTZero with 98.5\% accuracy to 78.3\%. Notably, GPTZero was unable to recognize about 4.2\% of the observations, but our model was able to recognize the complete test dataset. XAI results showed that understanding feature importance across different classes enables detailed author/source profiles. Further, aiding in attribution and supporting plagiarism detection by highlighting unique stylistic and structural elements ensuring robust content originality verification.
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- Education > Educational Technology > Educational Software (0.35)
Detecting AI-Generated Text in Educational Content: Leveraging Machine Learning and Explainable AI for Academic Integrity
Najjar, Ayat A., Ashqar, Huthaifa I., Darwish, Omar A., Hammad, Eman
This study seeks to enhance academic integrity by providing tools to detect AI-generated content in student work using advanced technologies. The findings promote transparency and accountability, helping educators maintain ethical standards and supporting the responsible integration of AI in education. A key contribution of this work is the generation of the CyberHumanAI dataset, which has 1000 observations, 500 of which are written by humans and the other 500 produced by ChatGPT. We evaluate various machine learning (ML) and deep learning (DL) algorithms on the CyberHumanAI dataset comparing human-written and AI-generated content from Large Language Models (LLMs) (i.e., ChatGPT). Results demonstrate that traditional ML algorithms, specifically XGBoost and Random Forest, achieve high performance (83% and 81% accuracies respectively). Results also show that classifying shorter content seems to be more challenging than classifying longer content. Further, using Explainable Artificial Intelligence (XAI) we identify discriminative features influencing the ML model's predictions, where human-written content tends to use a practical language (e.g., use and allow). Meanwhile AI-generated text is characterized by more abstract and formal terms (e.g., realm and employ). Finally, a comparative analysis with GPTZero show that our narrowly focused, simple, and fine-tuned model can outperform generalized systems like GPTZero. The proposed model achieved approximately 77.5% accuracy compared to GPTZero's 48.5% accuracy when tasked to classify Pure AI, Pure Human, and mixed class. GPTZero showed a tendency to classify challenging and small-content cases as either mixed or unrecognized while our proposed model showed a more balanced performance across the three classes. Keywords: LLMs, Digital Technology, Education, Plagiarism, Human AI 1. Introduction Our communication practices are quickly changing due to the emergence of generative AI models.
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Benchmarking Particle Filter Algorithms for Efficient Velodyne-Based Vehicle Localization
Blanco-Claraco, Jose Luis, Mañas-Alvarez, Francisco, Torres-Moreno, Jose Luis, Rodriguez, Francisco, Gimenez-Fernandez, Antonio
Keeping a vehicle well-localized within a prebuilt-map is at the core of any autonomous vehicle navigation system. In this work, we show that both standard SIR sampling and rejection-based optimal sampling are suitable for efficient (10 to 20 ms) real-time pose tracking without feature detection that is using raw point clouds from a 3D LiDAR. Motivated by the large amount of information captured by these sensors, we perform a systematic statistical analysis of how many points are actually required to reach an optimal ratio between efficiency and positioning accuracy. Furthermore, initialization from adverse conditions, e.g., poor GPS signal in urban canyons, we also identify the optimal particle filter settings required to ensure convergence. Our findings include that a decimation factor between 100 and 200 on incoming point clouds provides a large savings in computational cost with a negligible loss in localization accuracy for a VLP-16 scanner. Furthermore, an initial density of $\sim$2 particles/m$^2$ is required to achieve 100% convergence success for large-scale ($\sim$100,000 m$^2$), outdoor global localization without any additional hint from GPS or magnetic field sensors. All implementations have been released as open-source software.
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- Automobiles & Trucks (0.68)
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top-5-face-and-image-recognition-jobs-in-future
Image and face recognition platforms and solutions have been a major focus in the technology sector over the past two decades. Images and face recognition technology are used in many industries, including healthcare, security, e-commerce and security. This has resulted in remarkable progress. Experts believe this technology can perform at or even surpass human-level in many medical diagnoses and security domains. Many brands now use image recognition technology to harness the intersection of visual analytics and text to understand the industry and target audience, and to deploy visual intelligence to drive meaningful communications.
- North America > United States > Michigan > Washtenaw County > Ypsilanti (0.09)
- North America > United States > Massachusetts > Barnstable County > Falmouth > Woods Hole (0.09)
- North America > United States > California > Santa Clara County > Santa Clara (0.09)
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A better intelligence test for autonomous driving systems
In 2015, Elon Musk guessed that the industry should expect fully autonomous vehicles by 2018--but that never happened. In 2014, Nissan promised multiple, commercially viable driverless vehicles on the market by 2020. While the COVID-19 pandemic did not help the situation, this is another unmet promise. Why do auto manufacturers have to keep moving the goalposts on driverless vehicles? According to a research paper recently published in Nature Communications by the Center for Connected and Automated Transportation (CCAT), one of the obstacles that has hindered the development of autonomous vehicles comes down to a severe inefficiency in the way autonomous vehicle testing and evaluation is performed.
- Automobiles & Trucks > Manufacturer (0.78)
- Transportation > Ground > Road (0.52)
- Education > Assessment & Standards > Measuring Intelligence (0.40)
On Dollar Slices, Pizza Vectors, Prosciutto Zones and Topping Hyperspace
At Topos, we are fascinated by exactly this type of variation and believe it provides a powerful view into the culture of a location. While data sources like the United States Census are useful for understanding broad demographic trends over decades, they give little insight into what defines the moment-to-moment culture of a city, a neighborhood, a street corner. Inspired by thinkers like Walter Benjamin, who, in his unfinished Arcades Project examined subjects as varied as fashion, construction materials, poetry, lighting, and mirrors in order to understand Paris in the 19th century, we are fascinated by the way seemingly simple, ubiquitous subjects like the coffee we drink or the concerts we go to define a place. However, unlike Benjamin, we are interested in constructing this understanding in a way that can dynamically scale across the globe, allowing us to understand how different locations relate to one another, and how locations evolve in real time. To achieve this, we use data from dozens of different sources and techniques from a wide range of technologies and disciplines including computer vision, natural language processing, statistics, machine learning, network science, topology, architecture and urbanism.
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- North America > United States > Michigan > Washtenaw County > Ypsilanti (0.05)
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Is Tesla's Elon Musk wrong about this key self-driving technology?
Elon Musk is reportedly launching an investigation into an employee who sabotaged the company. Elon Musk, Chief Executive Officer of Space Exploration Technologies Corporation, speaks on the final day of the 68th International Astronautical Congress in Adelaide, Australia, on Sept. 29, 2017. Elon Musk has called lidar a crutch. The Tesla CEO believes he can build self-driving and semi-autonomous cars without relying on the technology, which uses lasers to help the cars map and navigate their surroundings. Instead, Tesla has looked to cameras and radar -- without lidar -- to do much of the work needed for its Autopilot driver assistance system.
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- Transportation > Ground > Road (0.94)
- Information Technology > Robotics & Automation (0.86)
How Domino's is using tech to woo Millennials and beat rival Pizza Hut
Ford has partnered with Pizza maker Domino's to test delivery by self driving cars. Jose Sepulveda (@josesepulvedatv) has more. Domino's is set to test driverless car deliveries tests in Florida's Miami-Dade County. Domino's Pizza spent a good part of the last decade chasing what seemed like every digital doodad to deliver pizza -- sometimes to the scorn of observers who pointed out that the business was, after all, popping topping-covered dough in an oven and delivering it. Why, the skeptics asked, do you need a digital voice-recognition app on your phone to order a pizza, when you can just call and speak to an actual person?
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- North America > United States > Utah > Salt Lake County > Salt Lake City (0.05)
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- Consumer Products & Services > Restaurants (1.00)
- Transportation > Ground > Road (0.71)
A selected descriptor indexed bibliography to the literature on artificial intelligence
This listing is intended as an introduction to the literature on Artificial Intelligence, i.e., to the literature dealing with the problem of making machines behave intelligently. We have divided this area into categories and cross-indexed the references accordingly. Large bibliographies without some classification facility are next to useless. This particular field is still young, but there are already many instances in which workers have wasted much time in rediscovering (for better or for worse) schemes already reported. In the last year or two this problem has become worse, and in such a situation just about any information is better than none. This bibliography is intended to serve just that purpose-to present some information about this literature. The selection was confined mainly to publications directly concerned with construction of artificial problem-solving systems. Many peripheral areas are omitted completely or represented only by a few citations.IRE Trans. on Human Factors in Electronics, HFE-2, pages 39-55
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