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- Shashi Mittal, Kalyanmoy Deb
- IEEE Congress on Evolutionary Computation
- 2007

We present a three-dimensional offline path planner for Unmanned Aerial Vehicles (UAVs) using a multiobjective optimization procedure for simultaneous optimization of two conflicting goals: (i) minimization of the length of overall path and (ii) maximization of the margin of safety from ground obstacles. This method is different from ∗Contact author:… (More)

- Shashi Mittal, Andreas S. Schulz
- APPROX-RANDOM
- 2008

In this paper, we present a general framework for designing approximation schemes for combinatorial optimization problems in which the objective function is a combination of more than one function. Examples of such problems include those in which the objective function is a product or ratio of two linear functions, parallel machine scheduling problems with… (More)

- Shashi Mittal, Andreas S. Schulz
- Math. Program.
- 2013

We present a fully polynomial time approximation scheme (FPTAS) for optimizing a very general class of nonlinear functions of low rank over a polytope. Our approximation scheme relies on constructing an approximate Pareto-optimal front of the linear functions which constitute the given low-rank function. In contrast to existing results in the literature,… (More)

- Shashi Mittal, Kalyanmoy Deb
- 2006 IEEE Symposium on Computational Intelligence…
- 2006

In this paper, we present a new paradigm of searching optimal strategies in the game of iterated prisoner's dilemma using multiple objective evolutionary algorithms. This method is better than the existing approaches, because it not only gives strategies which perform better in the iterated game, but also gives a family of non-dominated strategies, which… (More)

- Shashi Mittal
- 2005

In this report, we describe our study of effect of noise on parameter estimation for statistical machine translation. So far, no study has been done on this topic, even though the algorithm used for parameter estimation for statistical machine translation (the EM algorithm) is known to be highly sensitive to noise. We present in detail the experiments… (More)

- Heather L Paladine, Carol E Blenning, Dolores Zegar Judkins, Shashi Mittal
- The Journal of family practice
- 2006

Based on limited evidence, use of intrauterine devices (IUDs) is not contraindicated for women with HIV/AIDS (strength of recommendation [SOR]: C), multiple sexual partners (SOR: C), previous actinomyces colonization (SOR: C), most types of fibroids (SOR: C), or previous ectopic pregnancy (SOR: C). The risk to IUD users of pelvic inflammatory disease (PID)… (More)

- Shashi Mittal, Andreas S. Schulz, Sebastian Stiller
- APPROX-RANDOM
- 2014

We consider the problem of appointment scheduling in a robust optimization framework. The appointment scheduling problem arises in many service operations, for example health care. For each job, we are given its minimum and maximum possible execution times. The objective is to find an appointment schedule for which the cost in the worst case scenario of the… (More)

This thesis presents efficient algorithms that give optimal or near-optimal solutions for problems with non-linear objective functions that arise in discrete, continuous and robust optimization. First, we present a general framework for designing approximation schemes for combinatorial optimization problems in which the objective function is a combination… (More)

Games are an effective modeling tool for systems involving interaction with the environment. Situations where there are two players having conflicting goals as well as a random agent are best depicted by stochastic games. This paper deals mainly with stochastic games with ω-regular objectives, specifically Büchi winning condition. We present a sub-quadratic… (More)

- Shashi Mittal, Valerie S Graham
- The Journal of family practice
- 2006