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Network Security and Its Impact on Business Strategy
Insertion, modification, and deletion of the actual data.
Published in Chapter:
Information Technology in Higher Education Management: Computer Program for Students' Evidence
Alexandru Lucian Manole (Artifex University, Romania), Cristian-Marian Barbu (Artifex University, Romania), Ileana-Sorina Rakos (University of Petrosani, Romania), and Catalina Motofei (The Bucharest University of Economic Studies, Romania)
Copyright: © 2019 |Pages: 27
DOI: 10.4018/978-1-5225-8455-1.ch007
Abstract
Information technology instruments are a very important asset in the hands of every manager. The higher education institutions make no exception from these rules. The exposure to the modern technology and communication tools is very quickly assimilated by students, who acquire the skills to address and even master it and have high expectations from the university they study in to provide them with accurate and real-time information on their particular needs. The management of the university should have at its hand data on students, including personal data, data on academic achievements of any kind, housing in hostels, due and paid tuition fees, data on research, emphasizing both resources allocated and the results obtained, even providing links to online platforms and databases that index these results. The authors approach both operational databases and decision-oriented data warehouses and will aim to capitalize their own research interests in the field of IT to synthesize a set of solutions for this type of software.
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A Roadmap on Updates
Let P be the program representing the current knowledge base, if it is updated by another program U, then PU is a program updated of P if only if the models of PU are the result of updating each of the models of P according to a given semantics S; to each of these models apply the update request U to obtain a new set of models M; PU is any logic program whose models are exactly M.
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Signed Formulae as a New Update Process
Let P be the program representing the current knowledge base, if it is updated by another program U, then PU is a program updated of P if only if the models of PU are the result of updating each of the models of P according to a given semantics S; to each of these models apply the update request U to obtain a new set of models M; PU is any logic program whose models are exactly M.
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Inconsistency-Tolerant Integrity Checking
An update is a mapping from the space of databases into itself. Its input is the old state, while its output is the new state of the database. Many simplification methods use the difference between old and new state for making integrity checking more efficient.
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