Q. What is the primary concern when dealing with data at the foundational layer of the Big Data processing stack?

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Q. Which project focuses on developing a user-controlled personal service for intelligent personal information management?

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Q. What is the main goal of the Tridec project?

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Q. Which project investigates methods and techniques for leveraging diversity as a source of innovation and creativity in Big Data?

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Q. What does the PlanetData project aim to establish in the field of Big Data?

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Q. Which project focuses on developing a scalable and adaptive environment for knowledge discovery from Earth Observation images and geospatial data sets?

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Q. What is the primary role of knowledge in the context of Big Data?

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Q. What is the main objective of adding the semantics layer to the Big Data processing stack?

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Q. What is the consequence of the lack of rational incentive for investing in ontology reuse?

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Q. What is the primary consequence of adding a data semantics layer to Big Data processing?

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Q. What is one of the shortcomings of the unidirectional approach to developing the Big Data semantics layer?

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Q. What is the primary challenge when ontologies are inconsistent with data?

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Q. What is the advantage of an approach that combines top-down query answering with bottom-up ontology evolution?

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Q. What is the primary characteristic of the proposed bottom-up path in the Big Data processing stack?

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Q. What is a way to reduce the overheads of the top-down path in Big Data processing?

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Q. What is the high-level approach for treating Big Data along the proposed path?

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Q. What does the "3F" in the formula "3F + 3Co" primarily refer to in the context of the Big Data?

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Q. What is one of the key purposes of the proposed bottom-up path in Big Data processing?

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Q. Why is the order of focusing considered important when processing Big Data or its semantics?

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Q. What is a potential advantage of using smart focusing when processing data tokens in a persistent storage?

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