Commonsense reasoning is in principle a central problem in artificial intelligence, but it is a very difficult one. One approach that has been pursued since the earliest days of the field has been to encode commonsense knowledge as statements in a logic-based representation language and to implement commonsense reasoning as some form of logical inference. This paper surveys the use of logic-based representations of commonsense knowledge in artificial intelligence research.

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We are adding python integration that enables advanced users and data scientists to call on python scripts from within the Tableau calculation window. Customers can use this functionality to develop advanced-analytics applications, and visualize their predictive models from Python in Tableau. Enabling customers to leverage their spatial data directly in Tableau for easy geospatial analysis. One customer is excited to use this for shape files generated from a customer clustering study, along with census data. With 10.2, we now have over 60 native data connectors.

It was a milestone paper in the field of computational origami, but the algorithm didn't yield very practical folding patterns. Essentially, it took a very long strip of paper and wound it into the desired shape. The resulting structures tended to have lots of seams where the strip doubled back on itself, so they weren't very sturdy. At the Symposium on Computational Geometry in July, Demaine and Tomohiro Tachi of the University of Tokyo will announce the completion of a quest that began with that 1999 paper: a universal algorithm for folding origami shapes that guarantees a minimum number of seams. "In 1999, we proved that you could fold any polyhedron, but the way that we showed how to do it was very inefficient," Demaine says.

The focus of the DeepMind paper concerns spatial reasoning, in particular the ability to grasp the relation of objects to each other. This may sound simple compared with becoming an expert in chess or the like. But it's only because humans possess something like an "intuitive physics engine," an algorithm for extrapolating three-dimensionality from flat images and comparing objects within it to other objects. This kind of spatial reasoning has proved difficult for computers, at least until now. Using a combination of relational networks and convoluted neural networks, the DeepMind system can answer questions concerning the relation of objects within an image.

Spatial Visualization Using R: One of the less understood aspects of R is in spatial data visualization. The below article will outline two case studies on using R to spatially visualize data. Our first step is figuring out how to use the Census API within R. Given below are the key data Source Details from the Census ACS Data We use the acs.lookup function & use the keywords to find the required data across all ACS tables. For example, the following are the search results for the keywords owner, occupied, and median. An object of class "acs.lookup"

Video sequences contain rich dynamic patterns, such as dynamic texture patterns that exhibit stationarity in the temporal domain, and action patterns that are non-stationary in either spatial or temporal domain. We show that a spatial-temporal generative ConvNet can be used to model and synthesize dynamic patterns. The model defines a probability distribution on the video sequence, and the log probability is defined by a spatial-temporal ConvNet that consists of multiple layers of spatial-temporal filters to capture spatial-temporal patterns of different scales. The model can be learned from the training video sequences by an "analysis by synthesis" learning algorithm that iterates the following two steps. Step 1 synthesizes video sequences from the currently learned model. Step 2 then updates the model parameters based on the difference between the synthesized video sequences and the observed training sequences. We show that the learning algorithm can synthesize realistic dynamic patterns.

Watching this week's I/O livestream I came away somewhat awestruck by Google's vision. Gone are the days of talking about tablets and phones. I hope I'm not alone in feeling that this was one of the more complex keynotes at the annual conference for developers. A times it felt like sitting in on a first year university engineering class. The big picture seems to be either H.G. Wells utopia or Orwellian dystopia.