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Articles 1 - 30 of 33
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Dense And Switched Modular Primitives For Bond Graph Model Design, K. Seo, Z. Fan, Jianjun Hu, E. Goodman, R. Rosenberg
Dense And Switched Modular Primitives For Bond Graph Model Design, K. Seo, Z. Fan, Jianjun Hu, E. Goodman, R. Rosenberg
Jianjun Hu
No abstract provided.
Netloc: Network Based Protein Localization Prediction Using Protein-Protein Interaction And Co-Expression Networks, A. Mondal, Jianjun Hu
Netloc: Network Based Protein Localization Prediction Using Protein-Protein Interaction And Co-Expression Networks, A. Mondal, Jianjun Hu
Jianjun Hu
No abstract provided.
Hemo: A Sustainable Multi-Objective Evolutionary Optimization Framework, Jianjun Hu, K. Seo, Z. Fan, R. Rosenberg, E. Goodman
Hemo: A Sustainable Multi-Objective Evolutionary Optimization Framework, Jianjun Hu, K. Seo, Z. Fan, R. Rosenberg, E. Goodman
Jianjun Hu
No abstract provided.
Improving Protein Localization Prediction Using Amino Acid Group Based Physichemical Encoding, Jianjun Hu, F. Zhang
Improving Protein Localization Prediction Using Amino Acid Group Based Physichemical Encoding, Jianjun Hu, F. Zhang
Jianjun Hu
No abstract provided.
Automated Synthesis Of Mechanical Vibration Absorbers Using Genetic Programming, Jianjun Hu, E. Goodman, S. Li, R. Rosenberg
Automated Synthesis Of Mechanical Vibration Absorbers Using Genetic Programming, Jianjun Hu, E. Goodman, S. Li, R. Rosenberg
Jianjun Hu
No abstract provided.
Efficient Protein-Ligand Docking Using Sustainable Evolutionary Algorithms, E. Atilgan, Jianjun Hu
Efficient Protein-Ligand Docking Using Sustainable Evolutionary Algorithms, E. Atilgan, Jianjun Hu
Jianjun Hu
No abstract provided.
A Novel Evolutionary Engineering Design Approach For Mixed-Domain Systems, Z. Fan, K. Seo, Jianjun Hu, E. Goodman, R. Rosenberg
A Novel Evolutionary Engineering Design Approach For Mixed-Domain Systems, Z. Fan, K. Seo, Jianjun Hu, E. Goodman, R. Rosenberg
Jianjun Hu
No abstract provided.
Proteomic Characterization Of Her-2/Neu-Overexpressing Breast Cancer Cells, Hexin Chen, G. Pimienta, Y. Gu, X. Sun, Jianjun Hu, M.-S. Kim, R. Chaerkady, M. Gucek, R. Cole, S. Sukumar, A. Pandey
Proteomic Characterization Of Her-2/Neu-Overexpressing Breast Cancer Cells, Hexin Chen, G. Pimienta, Y. Gu, X. Sun, Jianjun Hu, M.-S. Kim, R. Chaerkady, M. Gucek, R. Cole, S. Sukumar, A. Pandey
Jianjun Hu
No abstract provided.
Dnabind: A Hybrid Algorithm For Structure-Based Prediction Of Dna-Binding Residues By Combining Machine Learning- And Template-Based Approaches, R. Liu, Jianjun Hu
Dnabind: A Hybrid Algorithm For Structure-Based Prediction Of Dna-Binding Residues By Combining Machine Learning- And Template-Based Approaches, R. Liu, Jianjun Hu
Jianjun Hu
No abstract provided.
Computational Identification Of Post-Translational Modification-Based Nuclear Import Regulations By Characterizing Nuclear Localization Signal-Import Receptor Interaction, J.-R. Lin, Z. Liu, Jianjun Hu
Computational Identification Of Post-Translational Modification-Based Nuclear Import Regulations By Characterizing Nuclear Localization Signal-Import Receptor Interaction, J.-R. Lin, Z. Liu, Jianjun Hu
Jianjun Hu
No abstract provided.
Subcellular Localization Of Marine Bacterial Alkaline Phosphatases, H. Luo, Ronald Benner, R. Long, Jianjun Hu
Subcellular Localization Of Marine Bacterial Alkaline Phosphatases, H. Luo, Ronald Benner, R. Long, Jianjun Hu
Jianjun Hu
Bacterial alkaline phosphatases (APases) are important enzymes in organophosphate utilization in the ocean. The subcellular localization of APases has significant ecological implications for marine biota but is largely unknown. The extensive metagenomic sequence databases from the Global Ocean Sampling Expedition provide an opportunity to address this question. A bioinformatics pipeline was developed to identify marine bacterial APases from the metagenomic databases, and a consensus classification algorithm was designed to predict their subcellular localizations. We identified 3,733 bacterial APase sequences (including PhoA, PhoD, and PhoX) and found that cytoplasmic (41%) and extracellular (30%) APases exceed their periplasmic (17%), outer membrane (12%), …
Dose-Responsive Gene Expression Changes In Juvenile And Adult Mummichogs (Fundulus Heteroclitus) After Arsenic Exposure, H. Gonzalez, Jianjun Hu, K. Gaworecki, J. Roling, W. Baldwin, J. Gardea-Torresdey, L. Bain
Dose-Responsive Gene Expression Changes In Juvenile And Adult Mummichogs (Fundulus Heteroclitus) After Arsenic Exposure, H. Gonzalez, Jianjun Hu, K. Gaworecki, J. Roling, W. Baldwin, J. Gardea-Torresdey, L. Bain
Jianjun Hu
No abstract provided.
Density Based Pruning For Identification Of Differentially Expressed Genes From Microarray Data, Jianjun Hu, J. Xu
Density Based Pruning For Identification Of Differentially Expressed Genes From Microarray Data, Jianjun Hu, J. Xu
Jianjun Hu
Motivation
Identification of differentially expressed genes from microarray datasets is one of the most important analyses for microarray data mining. Popular algorithms such as statistical t-test rank genes based on a single statistics. The false positive rate of these methods can be improved by considering other features of differentially expressed genes.
Results
We proposed a pattern recognition strategy for identifying differentially expressed genes. Genes are mapped to a two dimension feature space composed of average difference of gene expression and average expression levels. A density based pruning algorithm (DB Pruning) is developed to screen out potential differentially expressed genes usually …
Integrative Array Analyzer: A Software Package For Analysis Of Cross-Platform And Cross-Species Microarray Data, F. Pan, K. Kamath, K. Zhang, S. Pulapura, A. Achar, J. Nunez-Iglesias, Y. Huang, X. Yan, J. Han, H. Hu, M. Xu, Jianjun Hu, X. Zhou
Integrative Array Analyzer: A Software Package For Analysis Of Cross-Platform And Cross-Species Microarray Data, F. Pan, K. Kamath, K. Zhang, S. Pulapura, A. Achar, J. Nunez-Iglesias, Y. Huang, X. Yan, J. Han, H. Hu, M. Xu, Jianjun Hu, X. Zhou
Jianjun Hu
No abstract provided.
Integrative Disease Classification Based On Cross-Platform Microarray Data, C.-C. Liu, Jianjun Hu, M. Kalakrishnan, H. Huang, X. Zhou
Integrative Disease Classification Based On Cross-Platform Microarray Data, C.-C. Liu, Jianjun Hu, M. Kalakrishnan, H. Huang, X. Zhou
Jianjun Hu
Background Disease classification has been an important application of microarray technology. However, most microarray-based classifiers can only handle data generated within the same study, since microarray data generated by different laboratories or with different platforms can not be compared directly due to systematic variations. This issue has severely limited the practical use of microarray-based disease classification. Results In this study, we tested the feasibility of disease classification by integrating the large amount of heterogeneous microarray datasets from the public microarray repositories. Cross-platform data compatibility is created by deriving expression log-rank ratios within datasets. One may then compare vectors of log-rank …
Scored Protein-Protein Interaction To Predict Subcellular Localizations For Yeast Using Diffusion Kernel, A. Mondal, Jianjun Hu
Scored Protein-Protein Interaction To Predict Subcellular Localizations For Yeast Using Diffusion Kernel, A. Mondal, Jianjun Hu
Jianjun Hu
No abstract provided.
Minimalist Ensemble Algorithms For Genome-Wide Protein Localization Prediction, J.-R. Lin, A. Mondal, R. Liu, Jianjun Hu
Minimalist Ensemble Algorithms For Genome-Wide Protein Localization Prediction, J.-R. Lin, A. Mondal, R. Liu, Jianjun Hu
Jianjun Hu
Background Computational prediction of protein subcellular localization can greatly help to elucidate its functions. Despite the existence of dozens of protein localization prediction algorithms, the prediction accuracy and coverage are still low. Several ensemble algorithms have been proposed to improve the prediction performance, which usually include as many as 10 or more individual localization algorithms. However, their performance is still limited by the running complexity and redundancy among individual prediction algorithms. Results This paper proposed a novel method for rational design of minimalist ensemble algorithms for practical genome-wide protein subcellular localization prediction. The algorithm is based on combining a feature …
Bayesian Classifier For Anchored Protein Sorting Discovery, F. Zhang, Jianjun Hu
Bayesian Classifier For Anchored Protein Sorting Discovery, F. Zhang, Jianjun Hu
Jianjun Hu
No abstract provided.
Limitations And Potentials Of Current Motif Discovery Algorithms, Jianjun Hu, Bin Li, D. Kihara
Limitations And Potentials Of Current Motif Discovery Algorithms, Jianjun Hu, Bin Li, D. Kihara
Jianjun Hu
Computational methods for de novo identification of gene regulation elements, such as transcription factor binding sites, have proved to be useful for deciphering genetic regulatory networks. However, despite the availability of a large number of algorithms, their strengths and weaknesses are not sufficiently understood. Here, we designed a comprehensive set of performance measures and benchmarked five modern sequence-based motif discovery algorithms using large datasets generated from Escherichia coli RegulonDB. Factors that affect the prediction accuracy, scalability and reliability are characterized. It is revealed that the nucleotide and the binding site level accuracy are very low, while the motif level accuracy …
Wireless Access Point Configuration By Genetic Programming, Jianjun Hu, E. Goodman
Wireless Access Point Configuration By Genetic Programming, Jianjun Hu, E. Goodman
Jianjun Hu
No abstract provided.
Network Based Prediction Of Protein Localization Using Diffusion Kernel, A. Mondal, Jianjun Hu
Network Based Prediction Of Protein Localization Using Diffusion Kernel, A. Mondal, Jianjun Hu
Jianjun Hu
No abstract provided.
Seqnls: Nuclear Localization Signal Prediction Based On Frequent Pattern Mining And Linear Motif Scoring, J.-R. Lin, Jianjun Hu
Seqnls: Nuclear Localization Signal Prediction Based On Frequent Pattern Mining And Linear Motif Scoring, J.-R. Lin, Jianjun Hu
Jianjun Hu
Nuclear localization signals (NLSs) are stretches of residues in proteins mediating their importing into the nucleus. NLSs are known to have diverse patterns, of which only a limited number are covered by currently known NLS motifs. Here we propose a sequential pattern mining algorithm SeqNLS to effectively identify potential NLS patterns without being constrained by the limitation of current knowledge of NLSs. The extracted frequent sequential patterns are used to predict NLS candidates which are then filtered by a linear motif-scoring scheme based on predicted sequence disorder and by the relatively local conservation (IRLC) based masking. The experiment results on …
Open-Ended Robust Design Of Analog Filters Using Genetic Programming, Jianjun Hu, X. Zhong, E. Goodman
Open-Ended Robust Design Of Analog Filters Using Genetic Programming, Jianjun Hu, X. Zhong, E. Goodman
Jianjun Hu
No abstract provided.
The Hierarchical Fair Competition (Hfc) Model For Parallel Evolutionary Algorithms, Jianjun Hu, E. Goodman
The Hierarchical Fair Competition (Hfc) Model For Parallel Evolutionary Algorithms, Jianjun Hu, E. Goodman
Jianjun Hu
No abstract provided.
Integrative Missing Value Estimation For Microarray Data, Jianjun Hu, H. Li, M. Waterman, X. Zhou
Integrative Missing Value Estimation For Microarray Data, Jianjun Hu, H. Li, M. Waterman, X. Zhou
Jianjun Hu
Background Missing value estimation is an important preprocessing step in microarray analysis. Although several methods have been developed to solve this problem, their performance is unsatisfactory for datasets with high rates of missing data, high measurement noise, or limited numbers of samples. In fact, more than 80% of the time-series datasets in Stanford Microarray Database contain less than eight samples. Results We present the integrative Missing Value Estimation method (iMISS) by incorporating information from multiple reference microarray datasets to improve missing value estimation. For each gene with missing data, we derive a consistent neighbor-gene list by taking reference data sets …
Robust And Efficient Genetic Algorithms With Hierarchical Niching And A Sustainable Evolutionary Computation Model, Jianjun Hu, E. Goodman
Robust And Efficient Genetic Algorithms With Hierarchical Niching And A Sustainable Evolutionary Computation Model, Jianjun Hu, E. Goodman
Jianjun Hu
No abstract provided.
System-Level Synthesis Of Mems Via Genetic Programming And Bond Graphs, Z. Fan, K. Seo, Jianjun Hu, R. Rosenberg, E. Goodman
System-Level Synthesis Of Mems Via Genetic Programming And Bond Graphs, Z. Fan, K. Seo, Jianjun Hu, R. Rosenberg, E. Goodman
Jianjun Hu
No abstract provided.
Emd: An Ensemble Algorithm For Discovering Regulatory Motifs In Dna Sequences, Jianjun Hu, Y. Yang, D. Kihara
Emd: An Ensemble Algorithm For Discovering Regulatory Motifs In Dna Sequences, Jianjun Hu, Y. Yang, D. Kihara
Jianjun Hu
Background Understanding gene regulatory networks has become one of the central research problems in bioinformatics. More than thirty algorithms have been proposed to identify DNA regulatory sites during the past thirty years. However, the prediction accuracy of these algorithms is still quite low. Ensemble algorithms have emerged as an effective strategy in bioinformatics for improving the prediction accuracy by exploiting the synergetic prediction capability of multiple algorithms. Results We proposed a novel clustering-based ensemble algorithm named EMD for de novo motif discovery by combining multiple predictions from multiple runs of one or more base component algorithms. The ensemble approach is …
Computational Prediction Of Heme-Binding Residues By Exploiting Residue Interaction Network, R. Liu, Jianjun Hu
Computational Prediction Of Heme-Binding Residues By Exploiting Residue Interaction Network, R. Liu, Jianjun Hu
Jianjun Hu
Computational identification of heme-binding residues is beneficial for predicting and designing novel heme proteins. Here we proposed a novel method for heme-binding residue prediction by exploiting topological properties of these residues in the residue interaction networks derived from three-dimensional structures. Comprehensive analysis showed that key residues located in heme-binding regions are generally associated with the nodes with higher degree, closeness and betweenness, but lower clustering coefficient in the network. HemeNet, a support vector machine (SVM) based predictor, was developed to identify heme-binding residues by combining topological features with existing sequence and structural features. The results showed that incorporation of network-based …
Toward A Unified And Automated Design Methodology For Multi-Domain Dynamic Systems Using Bond Graphs And Genetic Programming, K. Seo, Z. Fan, Jianjun Hu, E. Goodman, R. Rosenberg
Toward A Unified And Automated Design Methodology For Multi-Domain Dynamic Systems Using Bond Graphs And Genetic Programming, K. Seo, Z. Fan, Jianjun Hu, E. Goodman, R. Rosenberg
Jianjun Hu
No abstract provided.