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However, the organization will not publish raw data. the open data policy states that “it is practically not possible to make all the raw data from the LHC experiments usable in a meaningful way outside its collaborations”. This is due to the complexity of data, software and metadata and problems accessing the vast treasures of stored information, among other factors. LHC staff also do not have general access to raw data. Instead, level 3 data collation is “done centrally”.
Still, CERN suggests that level 3 data can support research in particle physics, for example. He noted that the dataset could also be used for scientific computer research. Researchers can, for example, tap into the data to “improve methods of reconstruction or analysis based on machine learning techniques”. The organization notes that the approach requires rich data sets for training and validation.
Level 1 and 2 data samples were already available. Level 1 concerns data supporting the results published in scientific articles. Tier 2, on the other hand, refers to dedicated data sets that are designed for awareness and education purposes.
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