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In this paper, the application of Multiple Classifier Systems and Soft Computing techniques to the classification of Bronze Age axes found in Italian territory is shown. The methodology used from feature extraction to classification is... more
In this paper, the application of Multiple Classifier Systems and Soft Computing techniques to the classification of Bronze Age axes found in Italian territory is shown. The methodology used from feature extraction to classification is detailed. The results are obtained by using a data set of 85 axes, with training accomplished by bootstrapping the data. The system has been tested on new axes to be classified and vali- dated on an artificial data set generated following the covariance matrices of the original archaeological data.
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In this paper, the application of Multiple Classifier Systems and Soft Computing techniques to the classification of Bronze Age axes found in Italian territory is shown. The methodology used from feature extraction to classification is... more
In this paper, the application of Multiple Classifier Systems and Soft Computing techniques to the classification of Bronze Age axes found in Italian territory is shown. The methodology used from feature extraction to classification is detailed. The results are obtained by using a data set of 85 axes, with training accomplished by bootstrapping the data. The system has been tested on new axes to be classified and validated on an artificial data set generated following the covariance matrices of the original archaeological data.
Rutherford Backscattering Spectrometry (RBS) using 6 MeV alpha particles and X-Ray Fluorescence (XRF) with a Pd-anode X-Ray generator were performed to characterize Au and Pt contacts deposited by electroless technique and thermal... more
Rutherford Backscattering Spectrometry (RBS) using 6 MeV alpha particles and X-Ray Fluorescence (XRF) with a Pd-anode X-Ray generator were performed to characterize Au and Pt contacts deposited by electroless technique and thermal evaporation on differently treated surfaces of CdZnTe and CdTe crystals. The aim of this study is to understand and improve the structure of the material-electrode interface. The thickness, the stoichiometry and the concentration profiles of platinum, gold, cadmium, zinc, tellurium and oxygen present at the surface layers were determined. The distribution of Cd deficiency at the interface layers was profiled using simulations and showed complex profiles in the samples, which can greatly affect the electrical quality of the detectors.
Rutherford Backscattering Spectrometry (RBS) using 6 MeV alpha particles and X-Ray Fluorescence (XRF) using a Pd-anode X-Ray generator were performed to characterize Au and Pt contacts deposited by electroless technique and thermal... more
Rutherford Backscattering Spectrometry (RBS) using 6 MeV alpha particles and X-Ray Fluorescence (XRF) using a Pd-anode X-Ray generator were performed to characterize Au and Pt contacts deposited by electroless technique and thermal evaporation on differently treated surfaces of CdZnTe and CdTe crystals. The aim of this study is to understand and improve the structure of the material-electrode interface. The thickness, the stoichiometry and the concentration profiles of platinum, gold, cadmium, zinc, tellurium and oxygen present at the surface layers were determined. The distribution of Cd deficiency at the interface layers was profiled using simulations and showed complex profiles in the samples, which can greatly affect the electrical quality of the detectors.
On April 1st, 2012, in desert sand, three tourists announced to the authorities their finding the remains of an ancient battlefield. In reality they discovered the remains of an ancient metal melting site ‒ an ancient crime scene. Most of... more
On April 1st, 2012, in desert sand, three tourists announced to the authorities their finding the remains of an ancient battlefield. In reality they discovered the remains of an ancient metal melting site ‒ an ancient crime scene. Most of the artefacts consisted of weapons fashioned from copper-alloy, especially daggers, evidently many grave-goods. Everything about this find was unusual. How and when did it get there, just inside the Empty Quarter. Why should it be here, distant for markets and roads? The editors combined an international team which consisted of the original archaeologists at the site and experts on metal-finds.
The text begins with an introduction from Sultan al-Bakri in which he explains the discovery from the point of view of the Ministry of Heritage and Culture, which sponsored the field-work. Clearly the true site toponym is ʿUqdat al-Bakrah, although the first archaeologists on the site incorrectly called it as-Saffah, al-Ṣafāʾ and other names, after an oil prospection camp 40 km away.
In the first chapter Gösta Hoffmann explains the geology of the area, in order to get an idea of the pre-requisites for placing the site here. Important is water and fuel availability.
Roman Garba tells the story of the discovery from first-hand experience. He also worked in the communications branch in the area prior to the find.
Francesco Genchi and Claudio Giardino present the documentation of the excavations and find recovery made a few weeks after the finds were first sited. These finds establish the site dating and character.
Paul Yule updates the chronology for south-east Arabian metal-finds for the age from 3000 to 300 BCE. A main hurdle is to identify heirloom pieces and update the find chronology.
Claudio Giardino and Giovanni Paternoster examine the metallic finds by means of energy dispersive X-Ray fluorescence (ED-XRF) and therewith characterise the chemical composition and technology available to the ancient metallurgists.
Their results correlate nicely with the inductively coupled plasma atomic emission spectroscopy of Julie Goy with which she analysed 65 artefacts.
Guillaume Gernez synthesises the results of the different studies based on his expertise in metallic weaponry. His independent opinion is designed as a final representation of the find and its cultural importance.
It was deemed essential to make an exhaustive catalogue study of the entire find inventory with the intention that it would not be necessary to document any of the finds again. At the end concordances order the finds first by catalogue and then by find number. Except for 1:1 scale photographs of arrow-heads, the finds are drawn 1:3 in scale.