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A Practitioners Introduction to Deep Learning, 1pm Fri 11/17

November 14th, 2017, by Tim Finin, posted in AI, Data Science, Machine Learning, talks

ACM Tech Talk Series

A Practitioner’s Introduction to Deep Learning

Ashwin Kumar Ganesan, PhD student

1:00-2:00pm Friday, 17 November 2017?, ITE325, UMBC

In recent years, Deep Neural Networks have been highly successful at performing a number of tasks in computer vision, natural language processing and artificial intelligence in general. The remarkable performance gains have led to universities and industries investing heavily in this space. This investment creates a thriving open source ecosystem of tools & libraries that aid the design of new architectures, algorithm research as well as data collection.

This talk (and hands-on session) introduce people to some of the basics of machine learning, neural networks and discusses some of the popular neural network architectures. We take a dive into one of the popular libraries, Tensorflow, and an associated abstraction library Keras.

To participate in the hands-on aspects of the workshop, bring a laptop computer with Python installed and install the following libraries using pip.  For windows or (any other OS) consider doing an installation of anaconda that has all the necessary libraries.

  • numpy, scipy & scikit-learn
  • tensorflow / tensoflow-gpu (The first one is the GPU version)
  • matplotlib for visualizations (if necessary)
  • jupyter & ipython (We will use python2.7 in our experiments)

Following are helpful links:

Contact Nisha Pillai (NPillai1 at umbc.edu) with any questions regarding this event.

Arya Renjan: Multi-observable Session Reputation Scoring System

October 22nd, 2017, by Tim Finin, posted in AI, cybersecurity, Data Science, Ebiquity, Machine Learning, meetings, talks

Multi-observable Session Reputation Scoring System

Arya Renjan

11:00-12:00 Monday, 23 October 2017, ITE 346

With increasing adoption of Cloud Computing, cyber attacks have become one of the most effective means for adversaries to inflict damage. To overcome limitations of existing blacklists and whitelists, our research focuses to develop a dynamic reputation scoring model for sessions based on a variety of observable and derived attributes of network traffic. Here we propose a technique to greylist sessions using observables like IP, Domain, URL and File Hash by scoring them numerically based on the events in the session. This enables automatic labeling of possible malicious hosts or users that can help in enriching the existing whitelists or blacklists.

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