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logLTN: Differentiable Fuzzy Logic in the Logarithm Space
Badreddine, Samy, Serafini, Luciano, Spranger, Michael
The AI community is increasingly focused on merging logic with deep learning to create Neuro-Symbolic (NeSy) paradigms and assist neural approaches with symbolic knowledge. A significant trend in the literature involves integrating axioms and facts in loss functions by grounding logical symbols with neural networks and operators with fuzzy semantics. Logic Tensor Networks (LTN) is one of the main representatives in this category, known for its simplicity, efficiency, and versatility. However, it has been previously shown that not all fuzzy operators perform equally when applied in a differentiable setting. Researchers have proposed several configurations of operators, trading off between effectiveness, numerical stability, and generalization to different formulas. This paper presents a configuration of fuzzy operators for grounding formulas end-to-end in the logarithm space. Our goal is to develop a configuration that is more effective than previous proposals, able to handle any formula, and numerically stable. To achieve this, we propose semantics that are best suited for the logarithm space and introduce novel simplifications and improvements that are crucial for optimization via gradient-descent. We use LTN as the framework for our experiments, but the conclusions of our work apply to any similar NeSy framework. Our findings, both formal and empirical, show that the proposed configuration outperforms the state-of-the-art and that each of our modifications is essential in achieving these results.
JP Morgan is unleashing artificial intelligence on a business that moves $5 trillion for corporations every day
J.P. Morgan wouldn't disclose what it spent on this project but has said that 40 percent of its $10.8 billion annual technology budget is devoted to new efforts, including AI, robotic process automation and blockchain. "Based on your behavior each time, it will start to learn what you ask for," Tiede said in an interview. "We think there's a huge opportunity to suggest creative and insightful recommendations to clients. When you log in, it can say, 'Looks like you have sent 100 US dollar wires to Singapore. Do you know you could send a foreign-exchange ACH payment instead? Click here to sign up.'"
AI Wants to Be Your Bro, Not Your Foe
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Artificial intelligence could improve diagnostic power of lung function tests European Lung ...
Artificial intelligence could improve diagnostic power of lung function tests European Lung ... IBM Watson AI Creates a Trailer for'Morgan' & It Is Creepy Russia: Neural network food app Borsch launches; Mail.ru invests in IT education;GetIntent plans ... IBM's Watson AI creates trailer for AI movie'Morgan'
Report 78-11 Erroneous Claims Concerning the Perception
Counterexamples are provided disproving two independent claims that a simple but accurate method had been found to compute classes of symmetrically equivalent atoms in a molecule. Both methods are good approximations, but are nontheless ad hoc techniques which can sometimes fail to discriminate between atoms which arc, in fact, symmetrically distinct. A recem issue of this journal carried two papers23 dealing loop, at each stage of which a new score is computed for each directly or indirectly with "inexpensive" (in the sense of low atom based upon some function of the current score of that computational effort) methods of perceiving molecular atom arid the current scores of its immediate neighbors. More precisely, each article gives a set of rules term "score" here is used rather loosely; in the case of for scoring2 or comparing3 atoms in a molecule with the claim Morgan's algorithm it is an integer while in that of Shelley that if the scores are equal, or if the comparison shows no and Munk's it is a five-element vector. The important point difference, then the atoms arc symmetrically equivalent (i.e., is that a score is an entity which is associated with an atom can be interchanged by some symmetr) operation on the and which can be compared with the scores of other atoms molecule). Though both methods are doubtless very good in such a way that a strict "greater-less-equal" relationship approximations in the sense that they almost always yield the can be defined.