resemblance
Wittgenstein's Family Resemblance Clustering Algorithm
Amanpour, Golbahar, Ghojogh, Benyamin
This paper, introducing a novel method in philo-matics, draws on Wittgenstein's concept of family resemblance from analytic philosophy to develop a clustering algorithm for machine learning. According to Wittgenstein's Philosophical Investigations (1953), family resemblance holds that members of a concept or category are connected by overlapping similarities rather than a single defining property. Consequently, a family of entities forms a chain of items sharing overlapping traits. This philosophical idea naturally lends itself to a graph-based approach in machine learning. Accordingly, we propose the Wittgenstein's Family Resemblance (WFR) clustering algorithm and its kernel variant, kernel WFR. This algorithm computes resemblance scores between neighboring data instances, and after thresholding these scores, a resemblance graph is constructed. The connected components of this graph define the resulting clusters. Simulations on benchmark datasets demonstrate that WFR is an effective nonlinear clustering algorithm that does not require prior knowledge of the number of clusters or assumptions about their shapes.
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- North America > United States > California > Santa Clara County > Palo Alto (0.04)
- North America > Canada > Ontario > Waterloo Region > Waterloo (0.04)
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He'd need some LARGE SquarePants: Footage of a sea star with a 'big bottom' sparks hilarity as it's compared to SpongeBob's Patrick
The sea floor is home to all sorts of weird and wonderful creatures. But one in particular has become an online sensation, thanks to its impressive'buttocks'. A big–bottomed sea star has been spotted more than 1,000 metres (3,280ft) below the waves. And it appears to have a backside that will make even the most avid gymgoer jealous. This has led many baffled viewers to compare the creature to Patrick from the animated series Spongebob Squarepants.
- Pacific Ocean > North Pacific Ocean > East China Sea > Yellow Sea (0.07)
- North America > United States > New York (0.06)
- South America > Argentina (0.05)
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Development of Minimal Biorobotic Stealth Distance and Its Application in the Design of Direct-Drive Dragonfly-Inspired Aircraft
Minghao, Zhang, Bifeng, Song, Xiaojun, Yang, Liang, Wang, Xinyua, Lang
Advancements in electronic technology and control algorithms have enabled precise flight control techniques, transforming bionic aircraft from principle imitation to comprehensive resemblance. This paper introduces the Minimal Biorobotic Stealth Distance (MBSD), a novel quantitative metric to evaluate the bionic resemblance of biorobotic aircraft. Current technological limitations prevent dragonfly-inspired aircrafts from achieving optimal performance at biological scales. To address these challenges, we use the DDD-1 dragonfly-inspired aircraft, a hover-capable directdrive aircraft, to explore the impact of the MBSD on aircraft design. Key contributions of this research include: (1) the establishment of the MBSD as a quantifiable and operable evaluation metric that influences aircraft design, integrating seamlessly with the overall design process and providing a new dimension for optimizing bionic aircraft, balancing mechanical attributes and bionic characteristics; (2) the creation and analysis of a typical aircraft in four directions: essential characteristics of the MBSD, its coupling relationship with existing performance metrics (Longest Hover Duration and Maximum Instantaneous Forward Flight Speed), multi-objective optimization, and application in a typical mission scenario; (3) the construction and validation of a full-system model for the direct-drive dragonfly-inspired aircraft, demonstrating the design model's effectiveness against existing aircraft data. Detailed calculations of the MBSD consider appearance similarity, dynamic similarity, and environmental similarity. Experimental results indicate that the MBSD value correlates with bionic resemblance and is influenced by design parameters like wingspan, flapping frequency, and amplitude.
- North America > United States (0.45)
- Asia > China (0.28)
- Transportation > Air (1.00)
- Aerospace & Defense > Aircraft (1.00)
- Energy > Oil & Gas > Upstream (0.67)
Urgent warning from scientists: Google is showing AI-generated images of mushrooms that look nothing like the real species - which could have deadly consequences
Experts are warning foragers to avoid using Google Images to identify mushrooms after the search engine is delivering misleading AI-generated results. Searches for a number of common edible mushrooms return wildly inaccurate images as the top result, despite these images being flagged as AI-generated. Foraging experts warn this could lead to dangerous, if not deadly, errors for foragers trying to identify safe mushrooms to eat. Professor David Hawksworth, a mycologist from the University of Southampton, told MailOnline: 'This is potentially extremely dangerous.' However, experts routinely warn that it isn't safe to pick up and eat mushrooms that we find on the ground - even if we think we can tell a safe species apart from a dangerous one.
The neural correlates of logical-mathematical symbol systems processing resemble that of spatial cognition more than natural language processing
Li, Yuannan, Xu, Shan, Liu, Jia
The ability to manipulate logical-mathematical symbols (LMS), encompassing tasks such as calculation, reasoning, and programming, is a cognitive skill arguably unique to humans. Considering the relatively recent emergence of this ability in human evolutionary history, it has been suggested that LMS processing may build upon more fundamental cognitive systems, possibly through neuronal recycling. Previous studies have pinpointed two primary candidates, natural language processing and spatial cognition. Existing comparisons between these domains largely relied on task-level comparison, which may be confounded by task idiosyncrasy. The present study instead compared the neural correlates at the domain level with both automated meta-analysis and synthesized maps based on three representative LMS tasks, reasoning, calculation, and mental programming. Our results revealed a more substantial cortical overlap between LMS processing and spatial cognition, in contrast to language processing. Furthermore, in regions activated by both spatial and language processing, the multivariate activation pattern for LMS processing exhibited greater multivariate similarity to spatial cognition than to language processing. A hierarchical clustering analysis further indicated that typical LMS tasks were indistinguishable from spatial cognition tasks at the neural level, suggesting an inherent connection between these two cognitive processes. Taken together, our findings support the hypothesis that spatial cognition is likely the basis of LMS processing, which may shed light on the limitations of large language models in logical reasoning, particularly those trained exclusively on textual data without explicit emphasis on spatial content.
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- Europe > Portugal > Braga > Braga (0.04)
- North America > United States > New York (0.04)
- Europe > Portugal > Castelo Branco > Castelo Branco (0.04)
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- Research Report > Experimental Study (1.00)
- Health & Medicine > Therapeutic Area > Neurology (1.00)
- Health & Medicine > Health Care Technology (1.00)
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- Health & Medicine > Diagnostic Medicine > Imaging (0.68)
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LucidPPN: Unambiguous Prototypical Parts Network for User-centric Interpretable Computer Vision
Pach, Mateusz, Rymarczyk, Dawid, Lewandowska, Koryna, Tabor, Jacek, Zieliński, Bartosz
Prototypical parts networks combine the power of deep learning with the explainability of case-based reasoning to make accurate, interpretable decisions. They follow the this looks like that reasoning, representing each prototypical part with patches from training images. However, a single image patch comprises multiple visual features, such as color, shape, and texture, making it difficult for users to identify which feature is important to the model. To reduce this ambiguity, we introduce the Lucid Prototypical Parts Network (LucidPPN), a novel prototypical parts network that separates color prototypes from other visual features. Our method employs two reasoning branches: one for non-color visual features, processing grayscale images, and another focusing solely on color information. This separation allows us to clarify whether the model's decisions are based on color, shape, or texture. Additionally, LucidPPN identifies prototypical parts corresponding to semantic parts of classified objects, making comparisons between data classes more intuitive, e.g., when two bird species might differ primarily in belly color. Our experiments demonstrate that the two branches are complementary and together achieve results comparable to baseline methods. More importantly, LucidPPN generates less ambiguous prototypical parts, enhancing user understanding.
- Health & Medicine > Therapeutic Area (0.46)
- Health & Medicine > Diagnostic Medicine > Imaging (0.46)
Do YOU think it sounds like Scarlett Johansson? ChatGPT's 'flirty' AI bot's voice is revealed - so, do you think it resembles the Hollywood A-lister?
Ever since Scarlett Johansson voiced an AI assistant in the sci-fi blockbuster'Her', many tech fans have dreamed of making that technology a reality. But it now seems that OpenAI may have pursued that dream too literally as they face accusations of deliberately copying Johansson's voice for ChatGPT's latest update. According to Ms Johansson's statement, the likeness is'so eerily similar to mine that close friends and news outlets could not tell the difference'. Following the allegations, OpenAI's'flirty' voice assistant has now been paused, yet tech fans have been weighing in on whether there really is a resemblance. So, do you think ChatGPT's AI voice sounds like Scarlett Johansson?
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- Personal > Interview (0.99)
- Information Technology > Artificial Intelligence > Natural Language > Large Language Model (1.00)
- Information Technology > Artificial Intelligence > Natural Language > Chatbot (1.00)
- Information Technology > Artificial Intelligence > Machine Learning > Neural Networks > Deep Learning > Generative AI (0.57)
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- North America > United States > Texas > Dallas County > Dallas (0.04)
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- Information Technology > Data Science > Data Mining (1.00)
- Information Technology > Artificial Intelligence > Representation & Reasoning > Search (1.00)
- Information Technology > Artificial Intelligence > Machine Learning (1.00)
- Information Technology > Artificial Intelligence > Natural Language > Information Retrieval (0.88)