Recent Video Updates

Detecting Nuclear Smugglers

Detecting Nuclear Smugglers 2014-02-10 14:47:43

This talk was delivered to the North African Land Border Security Workshop at the Naval Postgraduate School in February 2014.  The talk describes basic and advanced methods of detecting nuclear smugglers, both through the technology of nuclear detectors and operations research models deploying detectors through a transportation network.  The content is based on research produced under by the efforts of the U.S. Domestic Nuclear Detection Office (DNDO).

Goto feature

Humanitarian Assistance Cargo Transportation

Humanitarian Assistance Cargo Transportation 2012-02-09 08:43:49

Humanitarian assistance is of growing importance to the United States and the Department of Defense’s strategic objectives. Thus, United States combatant commands increasingly rely on humanitarian assistance cargo transportation programs to deliver material to people in need in their areas of responsibility. This report analyzes the options available to these commands in seeking humanitarian assistance cargo transportation. The report offers a description of current operations, with a specific focus on the European area of responsibility, where humanitarian assistance cargo transportation programs have had limited activity.

Goto feature

Influenza Surveillance Network Design

Influenza Surveillance Network Design 2011-09-24 09:18:18

The U.S. Centers for Disease Control have asked each of the U.S. states to maintain an influenza surveillance network. The network consists of a number of primary healthcare providers who report weekly to the state on the number of patients that visited their office, and the number of those patients that exhibited influenza-like-illness symptoms. Each state has recruited its own providers into its surveillence network.

In this talk, we discuss how to create a well-performing influenza surveillence network. There are thousands of possible providers which the state could recruit into the surveillance network. Which of them should the state recruit? How should those providers be spread out geographically across the state? And can new technologies like Google Flu Trends replace or augment traditional surveillance networks?

Goto feature

Better Energy Spectrum Acquisition

Better Energy Spectrum Acquisition 2011-09-23 13:23:41

Different radioactive materials and their associated decay chains produce different radiation energy spectra.  Naturally, this has lead to the study of identifying a radioactive material based on its energy spectrum, called radiation spectroscopy.  One of the central problems in radiation spectroscopy is the resolution of the radiation detector.  As radiation hits the detector, the noise from the detection equipment and the random process of radiation transportation smears out the radiation spectrum of the radioactive material, making wide energy peaks instead of sharp ones.

Seeded Localized Averaging (SLA) is a real-time spectrum aquisition method that allows us to sharpen the peaks in aquired energy spectra.  SLA was patented by my co-author, Valentin Jordanov, in 2007.  In this talk, presented in ANIMMA 2011, for the first time, we prove some basic theoretical properties of the SLA transformation.  We also describe the transformation and show some practical examples.

Goto feature

Antiviral Control of Influenza

Antiviral Control of Influenza 2010-05-23 11:25:02

My talk from the Epidemics2 conference in Athens describes our recent application of bandit-based search for computing antiviral distributions for the U.S. National Antiviral Stockpile.

At the beginning of the summer in 2009, the U.S. government learned of the swine-origin influenza outbreak.  Immediately, the government released 11 million courses of antivirals from the national stockpile for immediate use by the states.  The states themselves had purchased some antivirals, totaling 35 million courses available for immediate use.  Additionally, the U.S. government had 50 million courses in reserve in the national stockpile.  We address the question of how and when antivirals from U.S. National Antiviral Stockpile should be released to best control an influenza outbreak.  We do this quantitatively, using a national scale disease model and recent simulation optimization techniques.

Goto feature

Chronological list of available videos

  1. Detecting Nuclear Smugglers -- North African Border Security Workshop, Monterey, CA, February 2014
  2. Graphical Models for Intelligence Collection -- UT Austin ORIE Seminar, Austin, TX, February 2012
  3. Humanitarian Assistance Cargo Transportation -- Presented to USEUCOM, Stuttgart, February 2012
  4. Influenza Surveillance Network Design -- INFORMS ICS, Monterey, January 2011
  5. Seeded Localized Averaging -- ANIMMA, Ghent, Belgium, June 2011.
  6. Antiviral Control of Influenza -- EPIDEMICS 2, Athens, December 2009.
  7. Disease Control System (DiCon) -- MIDAS Network meeting, Chicago, October 2009.
  8. Vector-Borne Disease Control -- INFORMS, San Diego, October 2009.
  9. Fast Budgeted MDPs -- ISMP Conference, Chicago, August 2009.
  10. Searching for Markovian Particles -- APS Conference, Cornell, July 2009.
  11. Interdicting Nuclear Smugglers -- EURO Conference, Bonn, July 2009.
  12. Models of Smuggler Movement -- DNDO ARI Conference, April 2009.
  13. Graph Coupon Collector -- ICALP, Lisbon, July 2005. Recently re-recorded.
  14. Online Transversal Matroid -- ICALP, Reykjavik, July 2008.
  15. Cluster Profit Problem -- SPAA, Munich, June 2008. Delivered by Indrajit Roy.
  16. Buyer-Supplier Games -- My talk for WAOA, October 2007.
  17. Budgeted Disease Interdiction -- SW Regional INFORMS, April 2008.
  18. Optimal Malaria Response Strategies -- Four videos on malaria interdiction strategies.

© Copyright 2004-2017 - Ned Dimitrov