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Roberto Hazenfratz

Biographic Data

ID1328425
NAMERoberto Hazenfratz
GIVEN NAMESRoberto
FAMILY NAMEHazenfratz
SIGNATUREHAZENFRATZ R
AFFILIATIONSInstituto de Pesquisas Energéticas e Nucleares
ORCID0000-0003-3770-9251
VERIFIEDYes
TOTAL WORKS3
TOTAL CITATIONS1
WORKS AS AUTHOR3
WORKS AS EDITOR0
FIRST PUBLICATION YEAR2017
LATEST PUBLICATION YEAR2024
H-INDEX1
  • Comparison of log-ratio and log10 chemical elemental data analysis of Central Amazonian pottery and archaeological implications

    Open Access•Roberto Hazenfratz, Guilherme Z Mongeló et al.•ARTICLE•Archaeological and Anthropological…•2024•Cited by: 1•References: 59

  • Firing temperature determination and thermoluminescence dating of a brick with cuneiform characters found in the ruins of Ancient Babylon

    Open Access•Rodrigo P Da Silva, Diego R G Tudela et al.•ARTICLE•Revista do Museu de Arqueologia e…•2018

    Este artigo tem por objetivo estudar um tijolo com inscrições em caracteres cuneiformes cujas sentenças estão praticamente completas. Estudos tipológicos correspondentes aos relatos históricos sugerem que o tijolo foi manufaturado no século VI a.C., durante a dinastia de Nabucodonosor II, grande monarca da Babilônia. A amostra foi estudada através da difração de raios X (DRX), ressonância paramagnética de elétron (RPE), termoluminescência (TL) e …

  • Neural Networks (SOM) Applied to Inaa Data of Chemical Elements in Archaeological Ceramics from Central Amazon

    Open Access•Roberto Hazenfratz, Casimiro S Munita et al.•ARTICLE•STAR Science & Technology of…•2017

    Artificial neural networks represent an alternative to traditional multivariate techniques, such as principal component and discriminant analysis, which rely on hypotheses regarding the normal distribution of the data and homoscedasticity. They also may be a powerful tool for multivariate modeling of systems that do not present linear correlation between variables, as well as to visualize high-dimensional data in bi- or trivariate structures. One…

  • Comparison of log-ratio and log10 chemical elemental data analysis of Central Amazonian pottery and archaeological implications

    Open Access•Roberto Hazenfratz, Guilherme Z Mongeló et al.•ARTICLE•Archaeological and Anthropological…•2024•Cited by: 1•References: 59

  • Neural Networks (SOM) Applied to Inaa Data of Chemical Elements in Archaeological Ceramics from Central Amazon

    Open Access•Roberto Hazenfratz, Casimiro S Munita et al.•ARTICLE•STAR Science & Technology of…•2017

    Artificial neural networks represent an alternative to traditional multivariate techniques, such as principal component and discriminant analysis, which rely on hypotheses regarding the normal distribution of the data and homoscedasticity. They also may be a powerful tool for multivariate modeling of systems that do not present linear correlation between variables, as well as to visualize high-dimensional data in bi- or trivariate structures. One…

  • Firing temperature determination and thermoluminescence dating of a brick with cuneiform characters found in the ruins of Ancient Babylon

    Open Access•Rodrigo P Da Silva, Diego R G Tudela et al.•ARTICLE•Revista do Museu de Arqueologia e…•2018

    Este artigo tem por objetivo estudar um tijolo com inscrições em caracteres cuneiformes cujas sentenças estão praticamente completas. Estudos tipológicos correspondentes aos relatos históricos sugerem que o tijolo foi manufaturado no século VI a.C., durante a dinastia de Nabucodonosor II, grande monarca da Babilônia. A amostra foi estudada através da difração de raios X (DRX), ressonância paramagnética de elétron (RPE), termoluminescência (TL) e …

  • Comparison of log-ratio and log10 chemical elemental data analysis of Central Amazonian pottery and archaeological implications

    Open Access•Roberto Hazenfratz, Guilherme Z Mongeló et al.•ARTICLE•Archaeological and Anthropological…•2024•Cited by: 1•References: 59

Amazonian Archaeology and Ethnohistory (2 works) · Archaeology (2 works) · Archaeology and ancient environmental studies (2 works) · Cultural Heritage Materials Analysis (2 works) · Geography (2 works) · Amazon rainforest (1 work) · Amazonian (1 work) · Ancient history (1 work) · Art (1 work) · Artificial Intelligence (1 work)

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