Devdatt Dubhashi

Bridging the gap between systems biology and medicine (2009)

Clermont, Gilles, Auffray, Charles, Moreau, Yves, Rocke, David M, Dalevi, Daniel, Dubhashi, Devdatt, ...

Abstract Systems biology has matured considerably as a discipline over the last decade, yet some of the key challenges separating current research efforts in systems biology and clinically useful...

The Peres-Shields Order Estimator for Fixed and Variable Length Markov Models with Applications to DNA Sequence Similarity (2008)

Daniel Dalevi, Devdatt Dubhashi

Abstract. Recently Peres and Shields discovered a new method for estimating the order of a stationary fixed order Markov chain [15]. They showed that the estimator is consistent by proving a...

Adaptive Dynamics of Realistic Small-World Networks (2008)

Mogren, Olof, Sandberg, Oskar, Verendel, Vilhelm, Dubhashi, Devdatt

Continuing in the steps of Jon Kleinberg's and others celebrated work on decentralized search in small-world networks, we conduct an experimental analysis of a dynamic algorithm that produces...

Localized techniques for broadcasting in wireless sensor networks.” Algorithmica (2008)

Devdatt Dubhashi, Olle Häggström, Lorenzo Orecchia, Chiara Petrioli, Andrea Vitaletti

Abstract. In this paper we tackle the problem of designing simple, localized, low energy consuming, reliable protocols for one-to-all communication in large scale wireless sensor networks. Our first...

BIOINFORMATICS ORIGINAL PAPER (2008)

Genome Analysis, Daniel Dalevi, Devdatt Dubhashi, Malte Hermansson

Vol. 22 no. 5 2006, pages 517–522 doi:10.1093/bioinformatics/btk029 Bayesian classifiers for detecting HGT using fixed and variable order markov models of genomic signatures

Analysis and experimental evaluation of a simple algorithm for oollaborative filtering in planted partition models (2008)

Devdatt Dubhashi, Luigi Laura, Ro Panconesi

Abstract. We introduce a random planted model of bi-categorical data to model the problem of collaborative filtering or categorical clustering. We adapt the ideas of an algorithm due to Condon and...

Blue Pleiades, a new solution for device discovery and scatternet formation in multihop Bluetooth networks, WINET (2008)

Devdatt Dubhashi, Gabriele Mambrini, Ro Panconesi, Chiara Petrioli

1 Introduction The Bluetooth (BT) technology, as described in the Specifications of the Bluetooth System Version 1.1 is one of the most promising enabling technologies for pervasive and ubiquitous...

Chapter 1 CONCENTRATION OF MEASURE FOR RANDOMIZED ALGORITHMS: TECHNIQUES AND ANALYSIS (2007)

Devdatt Dubhashi, Sandeep Sen

Randomized algorithms often turn out to be simpler and faster than their deterministic counterparts. For certain problems, like primality testing, there is no matching polynomial-time deterministic...

y (2007)

Devdatt Dubhashi, Alessandro Mei, Alessandro Panconesi, Jaikumar Radhakrishnan, Aravind Srinivasan

Motivated by routing issues in ad hoc networks, we present polylogarithmic-time distributed algorithms for two problems. Given a network, we rst show how to compute connected and weakly connected...

BRICS Basic Research in Computer Science Near-Optimal, Distributed Edge Colouring via the Nibble Method (2007)

Devdatt Dubhashi, Devdatt Dubhashi, David A. Grable, David A. Grable, Alessandro Panconesi, Alessandro Panconesi, ...

is permitted for educational or research use on condition that this copyright notice is included in any copy. See back inner page for a list of recent publications in the BRICS Report Series. Copies...

A New Order Estimator for Fixed and Variable Length Markov Models with Applications to DNA Sequence Similarity (2006)

Dalevi, Daniel, Dubhashi, Devdatt, Hermansson, Malte

Recently Peres and Shields discovered a new method for estimating the order of a stationary fixed order Markov chain. They showed that the estimator is consistent by proving a threshold result. While...

A New Order Estimator for Fixed and Variable Length Markov Models with Applications to DNA Sequence Similarity (2006)

Dalevi, Daniel, Dubhashi, Devdatt, Hermansson, Malte

Recently Peres and Shields discovered a new method for estimating the order of a stationary fixed order Markov chain. They showed that the estimator is consistent by proving a threshold result. While...

A New Order Estimator for Fixed and Variable Length Markov Models with Applications to DNA Sequence Similarity (2006)

Dalevi, Daniel, Dubhashi, Devdatt, Hermansson, Malte

Recently Peres and Shields discovered a new method for estimating the order of a stationary fixed order Markov chain. They showed that the estimator is consistent by proving a threshold result. While...

A New Order Estimator for Fixed and Variable Length Markov Models with Applications to DNA Sequence Similarity (2006)

Dalevi, Daniel, Dubhashi, Devdatt, Hermansson, Malte

Recently Peres and Shields discovered a new method for estimating the order of a stationary fixed order Markov chain. They showed that the estimator is consistent by proving a threshold result. While...

D.P.: Randomization in Constraint Programming for Airline Planning (2006)

Lars Otten, Mattias Grönkvist, Devdatt Dubhashi

Abstract. We extend the common depth-first backtrack search for constraint satisfaction problems with randomized variable and value selection. The resulting methods are applied to real-world...

Bayesian classifiers for detecting HGT using fixed and variable order markov models of genomic signatures (2006)

Dalevi, Daniel, Dubhashi, Devdatt, Hermansson, Malte

Motivation: Analyses of genomic signatures are gaining attention as they allow studies of species-specific relationships without involving alignments of homologous sequences. A naïve Bayesian...

z (2003)

Devdatt Dubhashi, Johan Jonasson, Desh Ranjan

Abstract We study negative dependence properties of a sampling process due to Srinivasan to produce distributions on level sets with given marginals. We give a simple proof that the distribution...

Balls and Bins: a Study in Negative Dependence (1998)

Devdatt Dubhashi, Devdatt Dubhashi, Desh Ranjan, Desh Ranjan

is permitted for educational or research use on condition that this copyright notice is included in any copy. See back inner page for a list of recent publications in the BRICS Report Series. Copies...

Near optimal distributed edge colouring via the nibble method (1998)

Devdatt Dubhashi, David A. Grable, Alessandro Panconesi

We give a distributed randomized algorithm to edge colour a network. Let G be a graph with n nodes and maximum degree #. Here we prove:

Near-Optimal, Distributed Edge Colouring Via the Nibble Method (1998)

Devdatt Dubhashi, David A. Grable, Informatik Hu Berlin, Alessandro Panconesi

We give a distributed randomized algorithm for graph edge colouring. Let G be a graph with n nodes and maximum degree \Delta. Here we prove: ffl If ffl ? 0 is fixed and \Delta AE log n, the algorithm...

Near-Optimal, Distributed Edge Colouring via the Nibble Method (1997)

Devdatt Dubhashi, David A. Grable, Informatik Hu Berlin, Alessandro Panconesi

We give a distributed randomized algorithm for graph edge colouring. Let G be a graph with n nodes and maximum degree \Delta. Here we prove: ffl If ffl ? 0 is fixed and \Delta AE log n, the algorithm...

Negative dependence through the FKG inequality (1996)

Devdatt Dubhashi, Devdatt Dubhashi, Volker Priebe, Volker Priebe, Im Stadtwald, Desh Ranjan, ...

is permitted for educational or research use on condition that this copyright notice is included in any copy. See back inner page for a list of recent publications in the BRICS Report Series. Copies...

Negative dependence through the FKG inequality (1996)

Devdatt Dubhashi, Volker Priebe, Desh Ranjan

We investigate random variables arising in occupancy problems, and show the variables to be negatively associated, that is, negatively dependent in a strong sense. Our proofs are based on the FKG...

Simple Proofs of Occupancy Tail Bounds (1995)

Devdatt P. Dubhashi, Devdatt Dubhashi

is permitted for educational or research use on condition that this copyright notice is included in any copy. See back inner page for a list of recent publications in the BRICS Report Series. Copies...

Simple Proofs of Occupancy Tail Bounds (1995)

Devdatt P. Dubhashi, Devdatt Dubhashi

Reproduction of all or part of this work is permitted for educational or research use on condition that this copyright notice is included in any copy. See back inner page for a list of recent...

A Lower Bound for Area--Universal Graphs (1994)

Gianfranco Bilardi Shiva, Devdatt Dubhashi, K. Mehlhorn

We establish a lower bound on the efficiency of area--universal circuits. The area A u of every graph H that can host any graph G of area (at most) A with dilation d, and congestion c p A= log log A...

A lower bound for area-universal graphs (1994)

Bilardi, Gianfranco, Chaudhuri, Shiva, Dubhashi, Devdatt, Mehlhorn, Kurt

We establish a lower bound on the efficiency of rea--universal circuits. The area A u of every graph H that can host any graph G of area (at most) A with dilation d, and congestion c p A= log log A...

A New Order Estimator for Fixed and Variable Length Markov Models with Applications to DNA Sequence Similarity

Daniel Dalevi, Devdatt Dubhashi, Malte Hermansson

Recently Peres and Shields discovered a new method for estimating the order of a stationary fixed order Markov chain. They showed that the estimator is consistent by proving a threshold result. While...

(Probabilistic) Recurrence Relations Revisited

Shiva Chaudhuri, Devdatt Dubhashi

. The performance attributes of a broad class of randomised algorithms can be described by a recurrence relation of the form T (x) = a(x)+T (H(x)), where a is a function and H(x) is a random...

Bridging the gap between systems biology and medicine

Clermont, Gilles, Auffray, Charles, Moreau, Yves, Rocke, David M, Dalevi, Daniel, Dubhashi, Devdatt, ...

Systems biology has matured considerably as a discipline over the last decade, yet some of the key challenges separating current research efforts in systems biology and clinically useful results are...