Access control method and a system for privacy protection

A method for protecting information in a distributed stream processing system, including: assigning a principal label to a processing component; assigning a first channel label to a first communication channel that is input to the processing component; comparing the principal label to the first chan...

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Bibliographische Detailangaben
Hauptverfasser:	Chen, Weifeng, Evfunievski, Alexandre V, Liu, Zhen, Rantzau, Ralf, Riabov, Anton Viktorovich, Rohatgi, Pankaj, Schuett, Angela Marie, Srikant, Ramakrishnan, Wagner, Grant
Format:	Patent
Sprache:	eng
Online-Zugang:	Volltext bestellen
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Beschreibung
Zusammenfassung:	A method for protecting information in a distributed stream processing system, including: assigning a principal label to a processing component; assigning a first channel label to a first communication channel that is input to the processing component; comparing the principal label to the first channel label to determine if the processing component can read data attributes of the first channel label; and reading the data attributes of the first channel label when the principal label is equal to or has precedence over the first channel label, wherein the principal label includes a read label and a write label and at least one of a selection label, an addition label or a suppression label.