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On-Line Analytic Processing (OLAP) systems usually need to meet two conflicting goals. First, the sensitive data stored in underlying data warehouses must be kept secret. Second, analytical queries about the data must be allowed for decision support purposes. The main challenge is that sensitive data can be inferred from answers to seemingly innocent aggregations of the data. Existing inference control methods in statistical databases usually exhibit high performance overhead and limited effectiveness when applied to OLAP systems. Preserving Privacy in On-Line Analytical Processing reviews a series of methods that can precisely answer data cube-style OLAP queries regarding sensitive data while provably preventing adversaries from inferring the data. How to keep the performance overhead of these security methods at a reasonable level is also addressed. Achieving a balance between security, availability, and performance is shown to be feasible in OLAP systems. Preserving Privacy in On-Line Analytical Processing is designed for the professional market, composed of practitioners and researchers in industry. This book is also appropriate for graduate-level students in computer science and engineering. .

OLAP technology. --- Online data processing --- Security measures. --- In-line data processing --- On-line data processing --- Electronic data processing --- Teleprocessing monitors (Computer programs) --- Time-sharing computer systems --- Online Analytical Processing technology --- Data mining --- Decision support systems --- Multidimensional databases

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Computer networks --- Computernetwerken --- Computers--Netwerken --- In-line data processing --- On-line data processing --- Online data processing --- Online gegevensverwerking --- Ordinateurs--Réseaux --- Réseaux d'ordinateurs --- Traitement des données en ligne --- Réseaux informatiques

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Programming --- Information systems --- Electronic data processing documentation --- Elektronische gegevensverwerking--Documentatie --- Hypertext (Systèmes) --- Hypertext systems --- Hypertext-systemen --- In-line data processing --- On-line data processing --- Online data processing --- Online gegevensverwerking --- Traitement des données en ligne --- Traitement electronique des donnees--Documentation --- Online data processing.

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Information retrieval --- Information systems --- Data retrieval --- Data storage --- Demande d'information --- Dépistage de l'information --- In-line data processing --- Information -- Dépistage --- Information -- Recherche --- Information storage and retrieval --- Informations -- Recherche --- On-line data processing --- Online data processing --- Online gegevensverwerking --- Recherche d'information --- Recherche de l'information --- Repérage de l'information --- Retrieval of information --- Traitement des données en ligne

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Bases de données--Interrogation --- Bases de données--Recherches --- Database [Zoeken in een ] --- Database searching --- Databases [Zoeken in ] --- In-line data processing --- Interrogation de bases de données --- On-line data processing --- Online data processing --- Online gegevensverwerking --- Traitement des données en ligne --- Zoeken in databases --- Astronomy --- Databases --- Sciences --- Bases de données --- Astronomie --- Systèmes en ligne. --- Interrogation