Analytical Model for Protecting Documentary File Formats from Unauthorized Access

Protecting Online Documents from an Unauthorized External Access (in Bulgarian)

The modern multi-tier web applications and information systems store and process various types of data. Some of them are stored in a database, controlled by an external database management system, while other data are stored directly within the server’s file system. The database is secured by the database management system itself, but it is a programmer’s responsibility to design and develop a ...

A Method for Protecting Access Pattern in Outsourced Data

Protecting the information access pattern, which means preventing the disclosure of data and structural details of databases, is very important in working with data, especially in the cases of outsourced databases and databases with Internet access. The protection of the information access pattern indicates that mere data confidentiality is not sufficient and the privacy of queries and accesses...

Compare Music File Formats

Image file formats

This tutorial is about image file formats: what are they, what are they used for, what are their differences and how we choose between them. The tutorial assumes a basic understanding of general digital imaging; of which a quick summary of important features is provided below. Pixel: a digital image is represented as a rectangular grid of dots, where each dot has a specific spatial position and...

Petri Net File Formats

The main intention of this paper is to encourage discussion about standards for Petri net le formats. We present criteria for good formats and estimate their signiicance for diierent classes of involved persons. The following persons are considered: 1. the designer of a Petri net tool who should integrate analysis algorithms and editors implemented by diierent persons at diierent locations; 2. ...