Characterization and analysis of physiological time series and biological complex networks

• Grant number: 13/19905-3
• Support Opportunities: Regular Research Grants
• Start date: June 01, 2014
• End date: May 31, 2016
• Field of knowledge: Engineering - Biomedical Engineering
• Principal Investigator: Andriana Susana Lopes de Oliveira Campanharo
• Grantee: Andriana Susana Lopes de Oliveira Campanharo
• Host Institution: Instituto de Biociências (IBB). Universidade Estadual Paulista (UNESP). Campus de Botucatu. Botucatu , SP, Brazil

Abstract

Nowadays, there are a large number of time series analysis techniques which allow researchers to summarize the characteristics of a time series into compact metrics, which can then be used to understand the its dynamics or predict how the system will evolve with time. Recently, Campanharo et al. proposed a time series technique based on the complex network theory. More specifically, it is a map from a time series to a complex network which allows to use several networks metrics to characterize the dynamic of a time series. Furthermore, this map has a natural inverse operation, making it possible to map a complex network into a time series. Thus, the topology and dynamic of a given complex network can be explored by analyzing the statistical properties of the corresponding network. In this project we propose an investigation of the map proposed by Campanharo et al. First, using the complex network theory we will distinguish different dynamic regimes of EEG time series from healthy and unhealthy subjects. Moreover, using the time series analysis we will investigate the self-similarity in complex networks. More specifically, the topology and dynamic of several synthetic and biological complex networks, such as metabolic and protein-protein interaction networks, will be investigated using the time series analysis. (AU)

Scientific publications

(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)

CAMPANHARO, ANDRIANA S. L. O.; RAMOS, FERNANDO M.. Hurst exponent estimation of self-affine time series using quantile graphs. PHYSICA A-STATISTICAL MECHANICS AND ITS APPLICATIONS, v. 444, p. 43-48, FEB 15 2016. (14/05145-0, 13/19905-3)

CAMPANHARO, ANDRIANA S. L. O.; DOESCHER, ERWIN; RAMOS, FERNANDO M.; ROJAS, I; JOYA, G; CATALA, A. Automated EEG Signals Analysis Using Quantile Graphs. ADVANCES IN COMPUTATIONAL INTELLIGENCE, IWANN 2017, PT II, v. 10306, p. 9-pg., 2017-01-01. (13/19905-3)

LOPES DE OLIVEIRA CAMPANHARO, ANDRIANA SUSANA; RAMOS, FERNANDO MANUEL; ESSAAIDI, M; NEMICHE, M. Quantile graphs for the characterization of chaotic dynamics in time series. PROCEEDINGS OF 2015 THIRD IEEE WORLD CONFERENCE ON COMPLEX SYSTEMS (WCCS), v. N/A, p. 4-pg., 2015-01-01. (14/05145-0, 13/19905-3)