Results 21 to 30 of about 398,282 (168)
Frontiers in PsychiatryBackgroundMental health issues in adolescents is steadily increasing, mainly since the rise of social media, the concomitant effects of internet use and other problems associated with academic performance, familial abuse and bullying.
Mining Liang +6 more
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Proceedings of the 2009 SIAM International Conference on Data Mining, 2009 We introduce the problem of grammar mining, where patterns are context-free grammars, as a generalization of a large number of common pattern mining tasks, such as tree, sequence and itemset mining. The proposed system offers data miners the possibility to specify and explore pattern domains declaratively, in a way which is very similar to the ...
Nijssen, Siegfried, De Raedt, Luc
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Proceedings of the 2013 ACM SIGMOD International Conference on Management of Data, 2013 Harnessing a crowd of Web users for data collection has recently become a wide-spread phenomenon. A key challenge is that the human knowledge forms an open world and it is thus difficult to know what kind of information we should be looking for. Classic databases have addressed this problem by data mining techniques that identify interesting data ...
Yael Amsterdamer +3 more
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Contree, 2012 The Mineral and Petroleum Resources Development Act 28 of 2002 [MPRDA] acknowledges that the country’s mineral resources belong to the nation. The State is subsequently appointed as custodian of these resources.
Elmarie van der Schyff
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MINES AND MINING IN THE ARGENTINE REPUBLIC. [PDF]
Minutes of the Proceedings of the Institution of Civil Engineers, 1905 n ...
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Journal of Lithic Studies, 2016 The high Andes is one of the world’s great metallogenic provinces having produced and still providing very significant amounts of copper, silver, tin and historically, of course, gold.
Robert A. F. F.-X. Ixer
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Assessment of Occupational Accidents Pattern in Iranian Miners [PDF]
طب کار, 2011 Background: Occupational injury involves thousands workers worldwide especially in developing countries every years that could lead to workers disability and costly events for industrial cycle of the country.
M Malek +5 more
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Revue de Géographie Alpine, 2023 In the 18th-19th centuries, Roşia-Montană, a village in the Carpathian Mountains of Transylvania (Apuseni), Romania, has been privy to a period of prosperity due to the gold ore existing in the area, but also a period of social and cultural bloom due to ...
Radu C. Barna
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REMOTE SENSING FOR ENVIRONMENTAL MONITORING AND REMEDIATION OF AREAS DEGRADED BY MINING ACTIVITIES IN THE DEMOCRATIC REPUBLIC OF CONGO: CALL FOR ACTION [PDF]
Geological BehaviorThe Democratic Republic of Congo (DR Congo) is a country with strong potential in mineral raw materials; therefore, it is qualified as a “Geological Scandal.” It is the world’s leading producer of cobalt, and in 2022 it will be among the five major ...
Innocent Mufungizi
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Energies, 2022 Technology plays an essential role as climate change becomes a growing concern worldwide. This article aims to examine the influence that innovation exerts on climate change mitigation technology (CCMT) in the African and Asian mining sectors.
Cety Gessica Abraham Mahanga Tsoni +2 more
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