Rahul Bhalerao

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An Internet of Things (IoT) environment typically consists of lossy and low powered networks (LLN) of interconnected sensors. An IoT messaging protocol that is gaining in popularity and importance is the Constrained Application Protocol (CoAP). CoAP runs at the application layer, handling reliability and congestion control over the unreliable UDP layer. Due(More)
We describe ExCamera, a system that can edit, transform, and encode a video, including 4K and VR material, with low latency. The system makes two major contributions. First, we designed a framework to run general-purpose parallel computations on a commercial " cloud function " service. The system starts up thousands of threads in seconds and manages(More)
Collaborative filtering methods like latent factor models have been used to predict ratings for an item by a user. However, the performance of latent factor models depends on a dense training dataset in which each user has made several reviews and each item has also received several reviews. In most practical applications, when a new item or a new user(More)
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