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Community characterization of heterogeneous complex systems [article]

Michele Tumminello, Salvatore Miccichè, Fabrizio Lillo, Jan Varho, Jyrki Piilo, Rosario N. Mantegna
2010 arXiv   pre-print
We introduce an analytical statistical method to characterize the communities detected in heterogeneous complex systems.  ...  The characterization of the elements and of the communities is done in terms of languages and countries for the movie network and of journals and subject categories for papers.  ...  CONCLUSIONS We have introduced a statistical method to characterize the communities of a complex system in terms of the over-expressed attributes found in the elements of the community.  ... 
arXiv:1011.4161v1 fatcat:iebtlt2oxrgdff6qbdnmtfjeme

Community Structure in a Soil Porous System

Juan Pablo Cárdenas, Antonio Santiago, Ana María Tarquis, Juan Carlos Losada, Florentino Borondo, Rosa M. Benito
2012 Soil science  
A quantitative and explicit characterization of soil structure is difficult because of the complexity of the pore space.  ...  For different real soils samples, modelled as heterogeneous complex networks, spatial communities of pores have been detected depending on the values of the parameters of the porous soil model used.  ...  A quantitative and explicit characterization of soil structure is difficult because of the complexity of the pore space.  ... 
doi:10.1097/ss.0b013e318245d3ec fatcat:mkcfthbsnfhetpd4htwzhoo35u

Conformational heterogeneity of the AAA ATPase p97 characterized by single particle cryo-EM

Driss Mountassif, Lucien Fabre, Kaustuv Basu, Mihnea Bostina, Slavica Jonic, Isabelle Rouiller
2014 Acta Crystallographica Section A: Foundations and Advances  
Study of this model system also allows the development of new methods to understand the conformational heterogeneity of other protein complexes.  ...  Mutations at the interface between the N and the D1 domains impact the ATPase activity and the conformation of D2 on the opposite side of the protein complex, suggesting intermolecular communication.  ...  Study of this model system also allows the development of new methods to understand the conformational heterogeneity of other protein complexes.  ... 
doi:10.1107/s2053273314091463 fatcat:xrvpdinddrdrxnxnwyd7zyqo2i

Interface Synthesis in Embedded HW/SW Systems [chapter]

G. Gogniat, M. Auguin, C. Belleudy
1997 Hardware Description Languages and their Applications  
Since several years, complex embedded systems are used in an expanding number of domains. Complexity and time to market constraints impose to introduce major improvements in CAD methodologies.  ...  Hardware-Software codesign attempts to deduce automatically heterogeneous system solutions from a high level specification.  ...  INTRODUCTION The complexity of embedded systems for multimedia and wireless applications imposes the use of heterogeneous resources (i.e. processor cores, dedicated functional units).  ... 
doi:10.1007/978-0-387-35064-6_8 fatcat:ejlo6f6hmbeefhgzxqut4br4mi

Heterogeneity shapes groups growth in social online communities

P. A. Grabowicz, V. M. Eguíluz
2012 Europhysics letters  
Many complex systems are characterized by broad distributions capturing, for example, the size of firms, the population of cities or the degree distribution of complex networks.  ...  We characterize the intrinsic heterogeneity of groups in an online community and then show that together with a simple linear growth and an inhomogeneous birth rate it explains the broad distribution of  ...  ); P.A.G. acknowledges support from the JAEPredoc program of CSIC (Spain).  ... 
doi:10.1209/0295-5075/97/28002 fatcat:frcc7rxfezhrfkfaeque77jwce

Consolidating the innovative concepts towards Exascale computing for Co-Design of Co-Applications ll: Co-Design Automation - Workload Characterization [article]

Dhanasekar, Anirudh Seshadri, Sudharshan Srinivasan, Suryanarayanan, Akash Sridhar
2018 arXiv   pre-print
This customizability benefits the generation of complex workloads with the desired computation complexity, communication complexity, control flow complexity, and locality of reference, specified under  ...  Many-core co-design is a complex task in which application complexity design space, heterogeneous many-core architecture design space, parallel programming language design space, simulator design space  ...  This is called the internal complexity characterized by the algorithm, and is modeled by the communication complexity taking either fan in or fan out into account.  ... 
arXiv:1806.01104v1 fatcat:qovzoaddlfdfrppblmniqi2gwm

Page 536 of Austral Ecology Vol. 14, Issue 4 [page]

1989 Austral Ecology  
Casuarina distyla—Banksia ericifolia com- plex This complex is characterized by the co-occurrence of C. distyla and B. ericifolia.  ...  Adam et al. characterized by larger assemblages of species. Structurally, stands of the community are either heathlands or closed-heathlands.  ... 

The 5th International Conference on Natural and Anthropogenic Aerosols

L. S. Ivlev, A. K. Shchekin
2007 Colloid Journal of the Russian Academy of Science  
, and the kinetics of complex multiphase systems; (2) the study of photochemical and heterogeneous reactions giving rise to the formation of aerosol substances in atmosphere and the interrelation between  ...  composition of regional aerosols and characterization of their sources.  ...  , and the kinetics of complex multiphase systems; (2) the study of photochemical and heterogeneous reactions giving rise to the formation of aerosol substances in atmosphere and the interrelation between  ... 
doi:10.1134/s1061933x07020196 fatcat:6xczbppchjgj7bkaefemsbvcji

Semantic Heterogeneity: Problem and Solution Frameworks

Vaishnavi, Singh, Vandenberg, Zheng
2005 Computing Letters  
The problem of semantic heterogeneity has gained ever increasing attention as the world's digital information systems become more closely interconnected.  ...  This article reviews the essential characteristics of the semantic heterogeneity problem and its solution approaches in various domains, and proposes frameworks for evaluating the problem and selecting  ...  It is operational if the heterogeneity is of an accidental nature dealing with formats and system level communication.  ... 
doi:10.1163/1574040054047568 fatcat:xzws7vxwdnholkb5bqmshfsldy

Toward data-driven, dynamical complex systems approaches to disaster resilience

Takahiro Yabe, P. Suresh C. Rao, Satish V. Ukkusuri, Susan L. Cutter
2022 Proceedings of the National Academy of Sciences of the United States of America  
complex systems models of disaster resilience.  ...  systems; and critical transitions and regime shifts, which are essential components of the complex disaster resilience process.  ...  Communities as Dynamical Complex Systems During the past couple of decades, urban agglomerations (communities and cities) have been perceived as complex systems, composed of heterogeneous components-social  ... 
doi:10.1073/pnas.2111997119 pmid:35135891 pmcid:PMC8872719 fatcat:ibnfarrb2zapzfs3db3ajbrgze

Quantifying the multi-scale kinetic processes in soil environments: frontiers and challenges

Zhenqing Shi, Xiaofan Yang, Chongxuan Liu
2021 Fundamental Research  
Acknowledgements Funding was provided by the National Natural Science Foundation of China (Project number: 42025701 ).  ...  ARTICLE IN PRESS In summary, heterogeneous soil components, transport in porous media, and diverse soil microbial communities, collectively, generate a complex and dynamic reaction system at various temporal  ...  The principles of chemical kinetics have long been applied to the kinetic studies of the complex soil system.  ... 
doi:10.1016/j.fmre.2021.03.005 fatcat:23m6hwcfjrbdhpenhrzvkmzvku

Cancer Hallmarks through the Network Lens

2015 Cancer Cell & Microenvironment  
Given the role and relevance of the heterogeneity hallmark in cancer, a current need is to advance the knowledge of the network dynamics building the complex architecture underlying the relationships between  ...  Network medicine has established itself as a systems integrative approach that leverages on the interpretation offered by community-like behavior of bio-entities and clinical variables.  ...  In principle, and by operating systems-wise, the network inference approaches can adapt to the hallmarks of oncogenic signaling [13] [14] [15] and of cell-cell communication [16] .  ... 
doi:10.14800/ccm.943 fatcat:zfbqqyurfna45jorlzl4lnogza

E. Ostrom's SES Framework to Understand the Factors of Successful and Unsuccessful Situation in the SES: A meta-analysis of community forests in Mexico

Arturo Lara Rivero, Eugene Hakizimana
2016 Fronteiras: Journal of Social, Technological and Environmental Science  
function in the complex systems.  ...  The idea of selecting 61 variables is based on the criteria of how much they are implicated in the characterization of community forests governance performance.  ... 
doi:10.21664/2238-8869.2016v5i2.p103-117 fatcat:d3m3ntz2pbhsnkrwdlwvjneazm

Support for high performance using heterogeneous embedded systems

Gabriel Campeanu
2013 Proceedings of the 18th international doctoral symposium on Components and architecture - WCOP '13  
of systems.  ...  In this paper we present an overview of our planned research on software modeling and software deployment of heterogeneous embedded systems, which enables assisting the developer in designing this type  ...  In the next iteration phase, we will consider a more complex system by adding and refining the system properties, such as the static and dynamic memory, the frequency of component communication or the  ... 
doi:10.1145/2465498.2465502 fatcat:l4yaefv7hvesxghieiauq3njcq

Synergies between computational modeling and experimental characterization of materials across length scales

Rémi Dingreville, Richard A. Karnesky, Guillaume Puel, Jean-Hubert Schmitt
2015 Journal of Materials Science  
Such cooperative interactions find many applications in the development, the characterization, and the design of complex material systems.  ...  for the multiphysics dimension associated with such complex materials systems.  ...  Completing the process of submission, evaluation, revision, and production to appear on time required the cooperation of many people, often on unreasonably tight schedules.  ... 
doi:10.1007/s10853-015-9564-1 fatcat:huujts5d7zc4xcpe22goyy56r4
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