Saikat Chakrabarti

Ensemble approach to predict specificity determinants: benchmarking and validation (2009)

Chakrabarti, Saikat, Panchenko, Anna R

Abstract Background It is extremely important and challenging to identify the sites that are responsible for functional specification or diversification in protein families. In this study, a rigorous...

Static load modelling and voltage stability indices (2009)

Chakrabarti, Saikat

This paper analyzes the performance of some of the widely used voltage stability indices, namely, singular value, eigenvalue, and loading margin with different static load models. Well-known ZIP...

PMU measurement uncertainty considerations in WLS state estimation (2009)

Chakrabarti, Saikat, Kyriakides, Elias

A method to assign weights to the measurements obtained through phasor measurement units (PMUs) in a weighted least squares (WLS) state estimation is presented in this paper. The uncertainties for...

Measurements get together (2009)

Chakrabarti, Saikat, Kyriakides, Elias, Bi, Tianshu, Cai, Deyu, Terzija, Vladimir

Designing,monitoring and controlling such systems is becoming increasingly more challenging as a consequence of the steady growth of their size, complexity, level of uncertainty, unpredictable...

Placement of Synchronized Measurements for Power System Observability (2009)

Chakrabarti, Saikat, Kyriakides, Elias, Eliades, Demetrios

This paper presents a method for the use of synchronized measurements for complete observability of a power system. The placement of phasor measurement units (PMUs), utilizing time-synchronized...

Measurements get together (2009)

Chakrabarti, Saikat, Kyriakides, Elias, Bi, Tianshu, Cai, Deyu, Terzija, Vladimir

Designing,monitoring and controlling such systems is becoming increasingly more challenging as a consequence of the steady growth of their size, complexity, level of uncertainty, unpredictable...

Placement of Synchronized Measurements for Power System Observability (2009)

Chakrabarti, Saikat, Kyriakides, Elias, Eliades, Demetrios

This paper presents a method for the use of synchronized measurements for complete observability of a power system. The placement of phasor measurement units (PMUs), utilizing time-synchronized...

PMU measurement uncertainty considerations in WLS state estimation (2009)

Chakrabarti, Saikat, Kyriakides, Elias

A method to assign weights to the measurements obtained through phasor measurement units (PMUs) in a weighted least squares (WLS) state estimation is presented in this paper. The uncertainties for...

Measurements get together (2009)

Chakrabarti, Saikat, Kyriakides, Elias, Bi, Tianshu, Cai, Deyu, Terzija, Vladimir

Designing,monitoring and controlling such systems is becoming increasingly more challenging as a consequence of the steady growth of their size, complexity, level of uncertainty, unpredictable...

Placement of Synchronized Measurements for Power System Observability (2009)

Chakrabarti, Saikat, Kyriakides, Elias, Eliades, Demetrios

This paper presents a method for the use of synchronized measurements for complete observability of a power system. The placement of phasor measurement units (PMUs), utilizing time-synchronized...

PMU measurement uncertainty considerations in WLS state estimation (2009)

Chakrabarti, Saikat, Kyriakides, Elias

A method to assign weights to the measurements obtained through phasor measurement units (PMUs) in a weighted least squares (WLS) state estimation is presented in this paper. The uncertainties for...

Static load modelling and voltage stability indices (2009)

Chakrabarti, Saikat

This paper analyzes the performance of some of the widely used voltage stability indices, namely, singular value, eigenvalue, and loading margin with different static load models. Well-known ZIP...

Identification of structurally conserved residues of proteins in absence of structural homologs using neural network ensemble (2009)

Pugalenthi, Ganesan, Tang, Ke, Suganthan, P. N., Chakrabarti, Saikat

Motivation: So far various bioinformatics and machine learning techniques applied for identification of sequence and functionally conserved residues in proteins. Although few computational methods...

Static load modelling and voltage stability indices (2009)

Chakrabarti, Saikat

This paper analyzes the performance of some of the widely used voltage stability indices, namely, singular value, eigenvalue, and loading margin with different static load models. Well-known ZIP...

Measurements get together (2009)

Chakrabarti, Saikat, Kyriakides, Elias, Bi, Tianshu, Cai, Deyu, Terzija, Vladimir

Designing,monitoring and controlling such systems is becoming increasingly more challenging as a consequence of the steady growth of their size, complexity, level of uncertainty, unpredictable...

Placement of Synchronized Measurements for Power System Observability (2009)

Chakrabarti, Saikat, Kyriakides, Elias, Eliades, Demetrios

This paper presents a method for the use of synchronized measurements for complete observability of a power system. The placement of phasor measurement units (PMUs), utilizing time-synchronized...

PMU measurement uncertainty considerations in WLS state estimation (2009)

Chakrabarti, Saikat, Kyriakides, Elias

A method to assign weights to the measurements obtained through phasor measurement units (PMUs) in a weighted least squares (WLS) state estimation is presented in this paper. The uncertainties for...

Efficient Blind Signatures for Accountability (2008)

Saikat Chakrabarti, Santosh Ch, Kenneth L. Calvert, Mukesh Singhal

Abstract—The problem of building privacy-preserving accountability systems is long-standing and has been extensively studied by the network research community. We observe that blind signatures have...

PMU placement for power system observability using binary particle swarm optimization (2008)

Chakrabarti, Saikat, Venayagamoorthy, Ganesh, Kyriakides, Elias

A binary particle swarm optimization (BPSO) based methodology for the optimal placement of phasor measurement units (PMUs) for complete observability of a power system is presented in this paper. The...

BIOINFORMATICS APPLICATIONS NOTE doi:10.1093/bioinformatics/btl679 Structural bioinformatics SMotif: a server for structural motifs in proteins (2008)

Ganesan Pugalenthi, P. N. Suganthan, R. Sowdhamini, Saikat Chakrabarti

Summary: SMotif is a server that identifies important structural segments or motifs for a given protein structure(s) based on conservation of both sequential as well as important structural features...

A tool for the prediction of functionally important sites in proteins using a library of functional templates (2008)

Christopher J. Lanczycki, Saikat Chakrabarti

Understanding and characterizing the biochemical and evolutionary information within the wealth of protein sequence and structural data, particularly at functionally important sites, is very...

PMU placement for power system observability using binary particle swarm optimization (2008)

Chakrabarti, Saikat, Venayagamoorthy, Ganesh, Kyriakides, Elias

A binary particle swarm optimization (BPSO) based methodology for the optimal placement of phasor measurement units (PMUs) for complete observability of a power system is presented in this paper. The...

PMU placement for power system observability using binary particle swarm optimization (2008)

Chakrabarti, Saikat, Venayagamoorthy, Ganesh, Kyriakides, Elias

A binary particle swarm optimization (BPSO) based methodology for the optimal placement of phasor measurement units (PMUs) for complete observability of a power system is presented in this paper. The...

MegaMotifBase: a database of structural motifs in protein families and superfamilies (2008)

Pugalenthi, Ganesan, Suganthan, P. N., Sowdhamini, R., Chakrabarti, Saikat

Structural motifs are important for the integrity of a protein fold and can be employed to design and rationalize protein engineering and folding experiments. Such conserved segments represent the...

PMU placement for power system observability using binary particle swarm optimization (2008)

Chakrabarti, Saikat, Venayagamoorthy, Ganesh, Kyriakides, Elias

A binary particle swarm optimization (BPSO) based methodology for the optimal placement of phasor measurement units (PMUs) for complete observability of a power system is presented in this paper. The...

SMotif: a server for structural motifs in proteins (2007)

Pugalenthi, Ganesan, Suganthan, P. N., Sowdhamini, R., Chakrabarti, Saikat

Summary: SMotif is a server that identifies important structural segments or motifs for a given protein structure(s) based on conservation of both sequential as well as important structural features...

Authenticating DSR using a novel multisignature scheme based on cubic LFSR sequences (2007)

Saikat Chakrabarti, Santosh Ch, Mukesh Singhal, Kenneth L

Abstract. The problem of secure routing in mobile ad hoc networks is long-standing and has been extensively studied by researchers. Recently, techniques of aggregating signatures have been applied to...

Analysis and prediction of functionally important sites in proteins (2007)

Chakrabarti, Saikat, Lanczycki, Christopher J.

The rapidly increasing volume of sequence and structure information available for proteins poses the daunting task of determining their functional importance. Computational methods can prove to be...

State of the art: refinement of multiple sequence alignments (2006)

Chakrabarti, Saikat, Lanczycki, Christopher J, Panchenko, Anna R, Przytycka, Teresa M, Thiessen, Paul A, Bryant, Stephen H

Abstract Background Accurate multiple sequence alignments of proteins are very important in computational biology today. Despite the numerous efforts made in this field, all alignment strategies have...

Refining multiple sequence alignments with conserved core regions (2006)

Chakrabarti, Saikat, Lanczycki, Christopher J., Panchenko, Anna R., Przytycka, Teresa M., Thiessen, Paul A., Bryant, Stephen H.

Accurate multiple sequence alignments of proteins are very important to several areas of computational biology and provide an understanding of phylogenetic history of domain families, their...

a (2005)

Saikat Chakrabarti, A. Prem An, Nitin Bhardwaj, Ganesan Pugalenthi

searching for similar sequences using

SCANMOT: searching for similar sequences using a simultaneous scan of multiple sequence motifs (2005)

Chakrabarti, Saikat, Anand, A. Prem, Bhardwaj, Nitin, Pugalenthi, Ganesan, Sowdhamini, R.

Establishment of similarities between proteins is very important for the study of the relationship between sequence, structure and function and for the analysis of evolutionary relationships....

Improvement of alignment accuracy utilizing sequentially conserved motifs (2004)

Chakrabarti, Saikat, Bhardwaj, Nitin, Anand, Prem A, Sowdhamini, Ramanathan

Abstract Background Multiple sequence alignment algorithms are very important tools in molecular biology today. Accurate alignment of proteins is central to several areas such as homology modelling,...

Functional sites and evolutionary connections of acylhomoserine lactone synthases (2003)

Chakrabarti, Saikat, Sowdhamini, R.

Acylhomoserine lactone (AHL) synthases act as chemical communication signals or pheromones in Gram-negative bacteria and regulate diverse physiological events in a cell density-dependent manner. The...

SCANMOT: searching for similar sequences using a simultaneous scan of multiple sequence motifs

Chakrabarti, Saikat, Anand, A. Prem, Bhardwaj, Nitin, Pugalenthi, Ganesan, Sowdhamini, R.

Establishment of similarities between proteins is very important for the study of the relationship between sequence, structure and function and for the analysis of evolutionary relationships....

Refining multiple sequence alignments with conserved core regions

Chakrabarti, Saikat, Lanczycki, Christopher J., Panchenko, Anna R., Przytycka, Teresa M., Thiessen, Paul A., Bryant, Stephen H.

Accurate multiple sequence alignments of proteins are very important to several areas of computational biology and provide an understanding of phylogenetic history of domain families, their...

SCANMOT: searching for similar sequences using a simultaneous scan of multiple sequence motifs

Chakrabarti, Saikat, Anand, A. Prem, Bhardwaj, Nitin, Pugalenthi, Ganesan, Sowdhamini, R.

Establishment of similarities between proteins is very important for the study of the relationship between sequence, structure and function and for the analysis of evolutionary relationships....

Refining multiple sequence alignments with conserved core regions

Chakrabarti, Saikat, Lanczycki, Christopher J., Panchenko, Anna R., Przytycka, Teresa M., Thiessen, Paul A., Bryant, Stephen H.

Accurate multiple sequence alignments of proteins are very important to several areas of computational biology and provide an understanding of phylogenetic history of domain families, their...

Analysis and prediction of functionally important sites in proteins

Chakrabarti, Saikat, Lanczycki, Christopher J.

The rapidly increasing volume of sequence and structure information available for proteins poses the daunting task of determining their functional importance. Computational methods can prove to be...

MegaMotifBase: a database of structural motifs in protein families and superfamilies

Pugalenthi, Ganesan, Suganthan, P. N., Sowdhamini, R., Chakrabarti, Saikat

Structural motifs are important for the integrity of a protein fold and can be employed to design and rationalize protein engineering and folding experiments. Such conserved segments represent the...

A tool for the prediction of functionally important sites in proteins using a library of functional templates

Lanczycki, Christopher J, Chakrabarti, Saikat

Understanding and characterizing the biochemical and evolutionary information within the wealth of protein sequence and structural data, particularly at functionally important sites, is very...

Identification of structurally conserved residues of proteins in absence of structural homologs using neural network ensemble

Pugalenthi, Ganesan, Tang, Ke, Suganthan, P. N., Chakrabarti, Saikat

Motivation: So far various bioinformatics and machine learning techniques applied for identification of sequence and functionally conserved residues in proteins. Although few computational methods...