International Business Machines Corporation

Christian S Rashev

Jaione Tirapu Azpiroz

William Bruce Nicol, Ii

Emily Supil

An approach is provided to authenticate objects based on surface patterns on the object. In the approach, a pressure pattern is measured between a sensor array surface of a pressure mapping sensor array accessible by the processor and one of the object's surfaces. A set of characteristics of the object surface is extracted based on the pressure pattern resulting from the measuring. These characteristics are compared to a set of expected characteristics with the object being authenticated based on the comparison.

Multi-factor authentication and security

A method and system for determining a cause for low disk space with respect to a logical disk is provided. The method includes identifying software activities associated with a computing system linked to a file system comprised by a disk storage device. Representations for the software activities are identified with respect to the file system and associated objects are defined. The objects impact available free space on a logical disk of the disk storage device and each software activity is linked with an associated object. An amount of disk space of the logical disk occupied by each object is determined. An impact of each object is analyzed with respect to an amount of available free disk space and a specific cause(s) for the file system exceeding the available free space is determined.

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Brno, Czechia

Christian S Rashev