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Influence Maximization over Large-Scale Social Networks

Qi Liu, Biao Xiang, Enhong Chen, Hui Xiong, Fangshuang Tang, Jeffrey Xu Yu
2014 Proceedings of the 23rd ACM International Conference on Conference on Information and Knowledge Management - CIKM '14  
To this end, in this paper, we provide a bounded linear approach for influence computation and influence maximization.  ...  More importantly, we provide two algorithms Linear and Bound, which exploit the linear approach and Group-PageRank for social influence maximization.  ...  Acknowledgements This research was partially supported by grants from the National Science Foundation for Distinguished Young Scholars of China  ... 
doi:10.1145/2661829.2662009 dblp:conf/cikm/LiuXCXTY14 fatcat:ykhh2ghsrzgzzdc2adf4gxvo4y

Dynamics and kinematics of viral protein linear nano-actuators for bio-nano robotic systems

A. Dubey, G. Sharma, C. Mavroidis, S.M. Tomassone, K. Nikitczuk, M.L. Yarmush
2004 IEEE International Conference on Robotics and Automation, 2004. Proceedings. ICRA '04. 2004  
The results of dynamics are further verified by performing a set of kinematic simulations using direct and inverse kinematics methods.  ...  Dynamic and kinematic analysis is performed to predict and verify the performance of a new nanoscale biomolecular motor: The Viral Protein Linear (VPL) Motor.  ...  ACKNOWLEDGMENTS This work was supported by the National Science Foundation (DMI-0228103 and DMI-0303950).  ... 
doi:10.1109/robot.2004.1308057 dblp:conf/icra/DubeySMTNY04 fatcat:l2hbpnudfzbmvd6kikdxlv5d3m

RNAVLab: A unified environment for computational RNA structure analysis based on grid computing technology

M. Taufer, M.-Y. Leung, K. L. Johnson, A. Licon
2007 2007 IEEE International Parallel and Distributed Processing Symposium  
The development of mathematical models and computational prediction algorithms for simple stem-loop structures started early in the 1980's.  ...  However, building systems that provide the tremendous computer time and memory needed for RNA analysis of both stem-loops and pseudoknots remains a challenge even today.  ...  The development of mathematical models and computational prediction algorithms for stem-loop structures started in the 1980's [6, 7] .  ... 
doi:10.1109/ipdps.2007.370451 dblp:conf/ipps/TauferLJL07 fatcat:ksa2qzxubbbwnhxnjdj77eqfmy

Revisiting Non-Progressive Influence Models: Scalable Influence Maximization [article]

Golshan Golnari, Amir Asiaee, Arindam Banerjee, Zhi-Li Zhang
2018 arXiv   pre-print
In sharp contrast to the other greedy influence maximization methods, our fast and efficient C2GREEDY algorithm benefits from two analytically computable steps: closed-form computation for finding the  ...  a scalable and provably near-optimal greedy algorithm.  ...  Acknowledgements This research was supported in part by DTRA grants HDTRA1-09-1-0050 and HDTRA1-14-1-0040, DoD ARO MURI Award W911NF-12-1-0385, and NSF grants CNS-10171647, CNS-1117536 and CNS-1411636.  ... 
arXiv:1412.5718v3 fatcat:7elpym64xbh7vp4dnornzggdta

Using RNA inverse folding to identify IRES-like structural subdomains

Ivan Dotu, Gloria Lozano, Peter Clote, Encarnacion Martinez-Salas
2013 RNA Biology  
There are several algorithms for solving the RNA inverse folding problem.  ...  CP has become one of the principal methodologies for solving hard combinatorial optimization problems, due to a rich modeling language and a computational model based on branch and prune.  ... 
doi:10.4161/rna.26994 pmid:24253111 pmcid:PMC3917987 fatcat:odbrkwhw3jfihfitbntsly5i74

GENFIRE: A generalized Fourier iterative reconstruction algorithm for high-resolution 3D imaging

Alan Pryor, Yongsoo Yang, Arjun Rana, Marcus Gallagher-Jones, Jihan Zhou, Yuan Hung Lo, Georgian Melinte, Wah Chiu, Jose A. Rodriguez, Jianwei Miao
2017 Scientific Reports  
for 3D imaging of pleomorphic samples such as viral infection mechanisms of cells with resolutions on the order of a few nanometers [17] [18] [19] .  ...  The algorithm requires minimal human intervention and also incorporates angular refinement to reduce the tilt angle error.  ...  wedge direction for GENFIRE, EST and SIRT (magenta arrows).  ... 
doi:10.1038/s41598-017-09847-1 pmid:28874736 pmcid:PMC5585178 fatcat:snfl2dxw7rda7nfs2av3tfh3ge

Extension of the SAEM algorithm to left-censored data in nonlinear mixed-effects model: Application to HIV dynamics model

Adeline Samson, Marc Lavielle, France Mentré
2006 Computational Statistics & Data Analysis  
An extension of the Stochastic Approximation Expectation-Maximization (SAEM) algorithm is proposed to estimate parameters of these models.  ...  Non-linear mixed-effects models are thus proposed to model this decrease of the viral load after initiation of treatment and to evaluate the intra-and inter-patient variability.  ...  Acknowledgments The authors thank the scientific committee of the TRIANON-ANRS81 trial for giving us access to their patients' viral load measurements and especially Dr O.  ... 
doi:10.1016/j.csda.2006.05.007 fatcat:s7djufrqvncwvjmpbxe2aqogom

Lasso regularization for left-censored Gaussian outcome and high-dimensional predictors

Perrine Soret, Marta Avalos, Linda Wittkop, Daniel Commenges, Rodolphe Thiébaut
2018 BMC Medical Research Methodology  
assumed for HIV viral load data after logarithmic transformation.  ...  Conclusions: The proposed approach deals with high-dimensional predictors and left-censored outcomes and has shown its interest for predicting HIV viral load according to HIV mutations.  ...  Acknowledgements We acknowledge members of the Standardization and Clinical Relevance of HIV Drug Resistance Testing Project for the Forum for Collaborative HIV Research.  ... 
doi:10.1186/s12874-018-0609-4 fatcat:34hcenbs4fcfffvupeap3ew2xe

Maximizing the Cumulative Influence through a Social Network when Repeat Activation Exists

Chuan Zhou, Peng Zhang, Wenyu Zang, Li Guo
2014 Procedia Computer Science  
Under the voter model, we formulate the maximization problem and present an effective algorithm. We test and compare our method with heuristic algorithms on real-world data sets.  ...  We study the problem of employing social networks for propagate influence when repeated activations are involved.  ...  The second challenge is how to develop an efficient algorithm for the optimization problem in Eq. (1) .  ... 
doi:10.1016/j.procs.2014.05.038 fatcat:honhv72ws5cfdivxlitgnjlf6e

Computer graphics in the synthesis, analysis and communication of biomolecular structural information

A. J. Olson
1987 Acta Crystallographica Section A Foundations of Crystallography  
Computer graphics has evolved into the principal modeling tool in biomolecular structural studies. It is used extensively in molecular modeling building, evaluation, and presentation.  ...  Hardware and software now exist that enable these activities over a wide range of cost and performance, from personal computers to supercomputer class devices.  ...  The MISSYM computer program designed along these principles discloses one symmetry element with high multiplicity along each symmetry direction, as well as the inversion center if the structure is centrosymmetric  ... 
doi:10.1107/s0108767387077596 fatcat:yp5y5kfigfbr5n7rtvzhh243fy

ENDIX– a computer program to simulate energy dispersive X-ray and synchrotron powder diffraction diagrams

E. Hovestreydt, E. Parthé, U. Benedict
1987 Acta Crystallographica Section A Foundations of Crystallography  
Computer graphics has evolved into the principal modeling tool in biomolecular structural studies. It is used extensively in molecular modeling building, evaluation, and presentation.  ...  Hardware and software now exist that enable these activities over a wide range of cost and performance, from personal computers to supercomputer class devices.  ...  The MISSYM computer program designed along these principles discloses one symmetry element with high multiplicity along each symmetry direction, as well as the inversion center if the structure is centrosymmetric  ... 
doi:10.1107/s0108767387077584 fatcat:gezuizrwl5aozpcmmvbybq7eta

A Linear Circuit Model For Social Influence Analysis [article]

Biao Xiang, Enhong Chen, Qi Liu, Hui Xiong
2012 arXiv   pre-print
The extensive experimental results demonstrate that Circuit model consistently outperforms the state-of-the-art methods and can greatly alleviate the computation burden of the influence maximization problem  ...  Then, we propose that the Circuit model provides a natural solution to the problems of computing each single node's authority and finding a set of nodes for social influence maximization.  ...  The complete procedures for viral marketing problem is illustrated in Algorithm 2.  ... 
arXiv:1206.1105v2 fatcat:sm26odwxprahpchjt5xd4234iu

MISSYM, a program for the derivation of the symmetry elements implied in a structure description

Y. Le Page
1987 Acta Crystallographica Section A Foundations of Crystallography  
Computer graphics has evolved into the principal modeling tool in biomolecular structural studies. It is used extensively in molecular modeling building, evaluation, and presentation.  ...  Hardware and software now exist that enable these activities over a wide range of cost and performance, from personal computers to supercomputer class devices.  ...  The MISSYM computer program designed along these principles discloses one symmetry element with high multiplicity along each symmetry direction, as well as the inversion center if the structure is centrosymmetric  ... 
doi:10.1107/s0108767387077572 fatcat:64pmz33qqredpp4fjqw2yggovi

Maximum Likelihood Estimation of Long-Term HIV Dynamic Models and Antiviral Response

Marc Lavielle, Adeline Samson, Ana Karina Fermin, France Mentré
2010 Biometrics  
Infectious Diseases Unit at Cochin Hospital, Paris and Dr Xavier Duval from  ...  Ackowledgements: The authors would like to thank the scientific committee of COPHAR II-ANRS111 trial for giving us access to the data, especially the principal investigators Pr Dominique Salmon-C ron from  ...  The population parameters were estimated with the SAEM algorithm and the log-likelihoods were estimated by Monte Carlo Importance Sampling. The BIC computed for the three models.  ... 
doi:10.1111/j.1541-0420.2010.01422.x pmid:20486926 pmcid:PMC3173750 fatcat:fysyfajs5zdgxesjiax3v4v3wq

Viral Population Estimation Using Pyrosequencing

Nicholas Eriksson, Lior Pachter, Yumi Mitsuya, Soo-Yon Rhee, Chunlin Wang, Baback Gharizadeh, Mostafa Ronaghi, Robert W. Shafer, Niko Beerenwinkel, Glenn Tesler
2008 PLoS Computational Biology  
Thus, pyrosequencing can be used for cost-effective estimation of the structure of virus populations, promising new insights into viral evolutionary dynamics and disease control strategies.  ...  We present computational methods for the analysis of such sequence data and apply these techniques to pyrosequencing data obtained from HIV populations within patients harboring drug resistant virus strains  ...  We formulate this problem as a search for a set of covering paths in a directed acyclic graph and show how the search problem can be solved very efficiently.  ... 
doi:10.1371/journal.pcbi.1000074 pmid:18437230 pmcid:PMC2323617 fatcat:t3ap3pp6fbfz5cjz7o3whmeava
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