1 Dr Didier Leibovici Doctorate in Applied Mathematics University of Montpellier II > University of Leicester > University of Greenwich > Sanofi-Recherche Montpellier > fMRIB University of Oxford > post-master in Information & computing science > IRD - Maison de la Télédétection (Remote Sensing House)… interests in modelling & analysis of spatio-temporal dynamics: regional scale: ecoregion clustering (climatic, ecologic and societies) local scale: landscape changes (land cover/land use and integrated modelling) changing scales extrapolation

2 Dr Didier Leibovici Doctorate of Applied Mathematics UMII > University of Leicester >  auto-correlations and spatial structures, e.g. long time series of Asthma mortality INSERM Montpellier ( )  «Repeated Measures Factors and multidimensionnal Analysis: application to a HIV+ follow-up study, SEROCO» (thesis defended in 1993) INSERM Montpellier ( )  Cognitive ageing and risk factors (the longitudinal study Eugéria) INSERM & Department of Epidemiology, Leicester (post-doc ) Epidemiology, longitudinal, linear model, logistic model, automatic clustering variance analysis: univariate,multivariate, tensovariate from spatio-temporal data analysis … 9 papers, 2 chapters, 7 communications, 1 package, 1 thesis

3 Dr Didier Leibovici > University of Greenwich U.K. > Sanofi-Recherche Montpellier > fMRIB University of Oxford U.K. >  tensorial decomposition (PTAk) in infinite dimension, multivariate distribution analysis University of Greenwich (Research fellow )  multiway tables analysis and quantified-EEG in pharmaco-dynamic studies (phase IIa) Sanofi-Recherche (Statistician Researcher )  models and analysis of multi-subject fMRI brain imaging experiments University of Oxford (Research fellow ) functional spaces, multiple contingency tables, spatial signal, repeated observations, tensor analysis, image sequences, mixed model, multiple comparisons and Gaussian Random fields 6 papers, 3 abstracts, 5 communications, 2 packages, 6 reports from spatio-temporal data analysis …

4 Dr Didier Leibovici PTAk with time and space penalisations B rain Space T ime Space S ubject Space B T S standard

5 Dr Didier Leibovici > post-master (DESS) in Information & Computing sciences > IRD ( Research Institute for Development ) - Maison de la Télédétection ( Remote Sensing House ) …  Information Systems, UML modelling, data structures algorithms, java, www University of Montpellier II ( )  spatialised environmental modelling: SIEL (ROSELT program) Système d’Information de l’Environnement Local : GIS database + models Réseau d’Observatoires de Surveillance Ecologique à Long Termes: 14 countries (circum-sahara), 30 observatories as research and operational platform IRD US «Désertification» (since 2002)  coupling models for landscape dynamics (DeSurvey-IP FP6 program) Desertification Survey : 40 European teams,, 4 in Africa 1 in China, 1 in Chile IRD US «Désertification» (since 2005) object conception, geomatics, GIS, spatialisation algorithms, Multi-Agent System, resources/usages dynamics, arid and semi arid zones, network of observatories approach, integrated modelling to geomatic modelling of dynamics 6 papers (in progress), 1 abstract, 4 communications, 2 packages, 2 reports

6 Dr Didier Leibovici to geomatic modelling of dynamics SIEL Local Environmental Information System

7 Dr Didier Leibovici PROJECTION of DEMOGRAPHIC TRENDS: SCENARIO 1 LEVERAGE * OF PRESSURE ON RESOURCES: SCENARIO 2 *Stopping wood energy and stable population PROJECTION of DEMOGRAPHIC TRENDS and DROUGHT: SCENARIO 3 PROSPECTIVES horizon 2004 : SIMULATIONS OF SCENARII DIAGNOSTIC : LAND DEGRADATION RISK MultiUsage Index of Land Degradation Risk < 5 ]5 – 15] ]15 – 25] ]25 – 50] ]50 – 75] ]75 – 100] > 100 No risk Very low risk Low risk High risk Very high risk Risk maximum Representative of an extensive agro- pastoral system in sahelian zone agricole Usage Vegetation Balances by usage pastoral Usage wood Usage < – 1000 > 1000 (Disponibility – Extraction in kg DM /ha) SIEL Banizoumbou (NER)

8 Dr Didier Leibovici 1 st author A method to Classify Ecoclimatic Arid and Semi-Arid Zones in Circum Saharian Africa Using Dynamics of Multiple Indicators. (GIScience and Remote Sensing) Ecoregion Delineation Model for Circum-Sahara ecological Monitoring of Desertification. (International Journal of Geographical Information Science) A Landscape Modelling decision tool for desertification assessment using a Local Environmental Information System(SIEL). (Environmental Modelling & Software) co- author Concepts and Methods to restructure the landscape according to resources/uses interactions. (Landscape Ecology) Integrated environmental and socio-economic modeling using SIEL for desertification monitoring and assessment in the observatory of Menzel Habib (South Tunisia). (Journal of Arid Environments) First results on assessing and predicting anthropogenic pressure on vegetation using SIEL/ROSELT at the observatory of Ferlo (Senegal). (Arid land Research and Management) In progress

9 Dr Didier Leibovici geospatial interoperability for spatio-temporal dynamics  ROSELT general approach  DeSurvey coupling or chaining models (DeSs)  SIEL integrated modelling GIS tool  MDweb metadata cataloguing (advanced and cartographic queries) - ISO distributed searching «service» (Z3950 service ISO 23950) - semantic expansion searching (spatial and disciplines ontologies) - semantic network building > work related to GEOSS objectives

10 Dr Didier Leibovici geospatial interoperability for spatio-temporal dynamics  model building system aspects: integrated modelling and SOA GEOSS user orientated WRS … model building interface facilities  intelligence of it: semantic and metadata for services WRS, UDDI … appropriate catalogs for GEOSS towards Multi-Agent System modelling  technical aspects: SOA what about performance for GEOSS ? GeoServer (using GeoTools) and WFS –T (transactional) WPS for models (recent OGC adoption) links with (HarmonIT FP5) > research thoughts towards GEOSS

11 Dr Didier Leibovici

12 Dr Didier Leibovici teaching, training and supervising…  Masters courses: Multivariate Methods Module at MSc level, University of Greenwich, (1996) Geomatic Spatial operators at Master level, University of Montpellier II, (2004, 2005, 2006,…)  regular training seminars: seminar Series on linear model and fMRI studies, University of Oxford, (1999, 2000)  training sessions and workshops sessions : of 1-2 weeks on GIS Environmental modelling (researchers from ROSELT network), IRD – Maison de la télédétection (2003, 2004, 2005, …) Supervising Master students research projects- recent examples: Geomatics: How representative are ROSELT Observatories:ecoregions 2004 Environment: Modelling Pastoral Systems for the SIEL-tool 2005 Information Computing: Automatic Production of metadata within ArcGIS 2004 Database schema migration 2005