Telefonaktiebolaget Lm Ericsson (publ)

Kumaresh Sreedhar

Saravanan Mohan

Divya Sundar

A method () for managing access to a database is disclosed. The method comprises receiving a database query, (), executing the query on the database to obtain a result, (), generating a noise value, (), perturbing the result with the generated noise value, (), and outputting the perturbed result, (). The noise value is generated from a bimodal probability distribution having a minimum probability at zero noise. Also disclosed is an access management processing element, () for a database.

Method and apparatus for managing access to a database

A method of processing a data stream of a communication network in a distributed processing architecture comprising a plurality of processing units comprises the steps of extracting data from the data stream, wherein the data is extracted for a particular time window of a sliding time window. The extracted data is converted into a format suitable for graphical representation. A graphical representation of the converted extracted data is generated, and an estimated value of at least one structural property of the graphical representation of the data determined. The estimated value of the at least one structural property is compared with a threshold value, and a change condition reported based on the outcome of the comparison step. The change condition may be used, for example, to change a location based quality of service parameter.

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Chennai, India

Kumaresh Sreedhar