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DeepProbLog: Neural Probabilistic Logic Programming

Neural Information Processing Systems

We show how existing inference and learning techniques can be adapted for the new language. Our experiments demonstrate that DeepProbLog supports (i) both symbolic and subsymbolic representations and inference, (ii) program induction, (iii) probabilistic (logic)programming, and(iv)(deep)learningfromexamples.


The DeepLog Neurosymbolic Machine

arXiv.org Artificial Intelligence

We contribute a theoretical and operational framework for neurosymbolic AI called DeepLog. DeepLog introduces building blocks and primitives for neurosymbolic AI that make abstraction of commonly used representations and computational mechanisms used in neurosymbolic AI. DeepLog can represent and emulate a wide range of neurosymbolic systems. It consists of two key components. The first is the DeepLog language for specifying neurosymbolic models and inference tasks. This language consists of an annotated neural extension of grounded first-order logic, and makes abstraction of the type of logic, e.g. boolean, fuzzy or probabilistic, and whether logic is used in the architecture or in the loss function. The second DeepLog component is situated at the computational level and uses extended algebraic circuits as computational graphs. Together these two components are to be considered as a neurosymbolic abstract machine, with the DeepLog language as the intermediate level of abstraction and the circuits level as the computational one. DeepLog is implemented in software, relies on the latest insights in implementing algebraic circuits on GPUs, and is declarative in that it is easy to obtain different neurosymbolic models by making different choices for the underlying algebraic structures and logics. The generality and efficiency of the DeepLog neurosymbolic machine is demonstrated through an experimental comparison between 1) different fuzzy and probabilistic logics, 2) between using logic in the architecture or in the loss function, and 3) between a standalone CPU-based implementation of a neurosymbolic AI system and a DeepLog GPU-based one.


Florida man accused of breaking into home, stabbing woman while she was sleeping inside

FOX News

A Florida man allegedly broke into a woman's home, stabbed her while she was sleeping and attempted to flee from deputies. A Florida man is facing charges after he allegedly broke into a woman's home, stabbed her while she was sleeping and attempted to run away from deputies. Bonnier Jose Sarmiento Lanza, 33, on Sunday broke into a woman's home on New York Drive in Tice, Florida, and stabbed her multiple times while she was sleeping, according to the Lee County Sheriff's Office. Lanza also hit another person inside the home before fleeing the scene. Bonnier Jose Sarmiento Lanza, 33, is charged with two counts of burglary with battery and aggravated battery with a deadly weapon.


Beverly Hills police drone catches burglary suspect fall off ladder into pool

FOX News

Beverly Hills police drone captures slip and fall. The affluent 90210 zip code is often associated with a hit television show that aired in the 1990s. It is also where an alleged burglar fell off a ladder into a pool. The Beverly Hills Police Department (BHPD) shared drone footage of the incident from Jan. 6 on Instagram with the caption, "Burglar caught in 4K. The video first shows a man crawling out of a home's window before being seen atop a tall ladder over what appears to be a garage.


$e^{\text{RPCA}}$: Robust Principal Component Analysis for Exponential Family Distributions

arXiv.org Machine Learning

Robust Principal Component Analysis (RPCA) is a widely used method for recovering low-rank structure from data matrices corrupted by significant and sparse outliers. These corruptions may arise from occlusions, malicious tampering, or other causes for anomalies, and the joint identification of such corruptions with low-rank background is critical for process monitoring and diagnosis. However, existing RPCA methods and their extensions largely do not account for the underlying probabilistic distribution for the data matrices, which in many applications are known and can be highly non-Gaussian. We thus propose a new method called Robust Principal Component Analysis for Exponential Family distributions ($e^{\text{RPCA}}$), which can perform the desired decomposition into low-rank and sparse matrices when such a distribution falls within the exponential family. We present a novel alternating direction method of multiplier optimization algorithm for efficient $e^{\text{RPCA}}$ decomposition. The effectiveness of $e^{\text{RPCA}}$ is then demonstrated in two applications: the first for steel sheet defect detection, and the second for crime activity monitoring in the Atlanta metropolitan area.


smProbLog: Stable Model Semantics in ProbLog for Probabilistic Argumentation

arXiv.org Artificial Intelligence

Argumentation problems are concerned with determining the acceptability of a set of arguments from their relational structure. When the available information is uncertain, probabilistic argumentation frameworks provide modelling tools to account for it. The first contribution of this paper is a novel interpretation of probabilistic argumentation frameworks as probabilistic logic programs. Probabilistic logic programs are logic programs in which some of the facts are annotated with probabilities. We show that the programs representing probabilistic argumentation frameworks do not satisfy a common assumption in probabilistic logic programming (PLP) semantics, which is, that probabilistic facts fully capture the uncertainty in the domain under investigation. The second contribution of this paper is then a novel PLP semantics for programs where a choice of probabilistic facts does not uniquely determine the truth assignment of the logical atoms. The third contribution of this paper is the implementation of a PLP system supporting this semantics: smProbLog. smProbLog is a novel PLP framework based on the probabilistic logic programming language ProbLog. smProbLog supports many inference and learning tasks typical of PLP, which, together with our first contribution, provide novel reasoning tools for probabilistic argumentation. We evaluate our approach with experiments analyzing the computational cost of the proposed algorithms and their application to a dataset of argumentation problems.


A Table-Based Representation for Probabilistic Logic: Preliminary Results

arXiv.org Artificial Intelligence

We present Probabilistic Decision Model and Notation (pDMN), a probabilistic extension of Decision Model and Notation (DMN). DMN is a modeling notation for deterministic decision logic, which intends to be user-friendly and low in complexity. pDMN extends DMN with probabilistic reasoning, predicates, functions, quantification, and a new hit policy. At the same time, it aims to retain DMN's user-friendliness to allow its usage by domain experts without the help of IT staff. pDMN models can be unambiguously translated into ProbLog programs to answer user queries. ProbLog is a probabilistic extension of Prolog flexibly enough to model and reason over any pDMN model.


I spy: are smart doorbells creating a global surveillance network?

The Guardian

I have got a new doorbell. It should be; it cost ยฃ89. It's a Ring video doorbell; you'll have seen them around. There are others available, made by other companies, with other four-letter names such as Nest and Arlo. When someone rings my doorbell, I'm alerted on my smartphone. I can see who is there, and speak to them. C major first inversion chord, arpeggiated, repeated, for the musically trained โ€“ you'll recognise it if you've heard it. Amazon, as it happens; Amazon acquired Ring in 2018, reportedly for more than $1bn.


'Predictive policing' could amplify today's law enforcement issues

Engadget

Law enforcement in America is facing a day of reckoning over its systemic, institutionalized racism and ongoing brutality against the people it was designed to protect. Virtually every aspect of the system is now under scrutiny, from budgeting and staffing levels to the data-driven prevention tools it deploys. A handful of local governments have already placed moratoriums on facial recognition systems in recent months and on Wednesday, Santa Cruz, California became the first city in the nation to outright ban the use of predictive policing algorithms. While it's easy to see the privacy risks that facial recognition poses, predictive policing programs have the potential to quietly erode our constitutional rights and exacerbate existing racial and economic biases in the law enforcement community. Simply put, predictive policing technology uses algorithms to pore over massive amounts of data to predict when and where future crimes will occur.


Artificial Intelligence Powered Security Cameras โ€“ Future of Surveillance System TimesTech

#artificialintelligence

Now days, Artificial Intelligence is not the thing of a science fiction or any concept based technology. Till now, we have used security cameras as a normal "record & view" system. We could only view the video recordings after the miss happening has occurred. Clearly, you cannot spend your day watching the security camera's live stream to limit the unwanted events like intrusion or burglary. All you want is to get notification in real time, in case of any emergency or intrusion, burglary, theft or any unwanted incidents.