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Framework pro statickou analýzu skriptů pro shell / A Framework for Static Analysis of Shell ScriptsSvoboda, František January 2012 (has links)
The aim of this work is to create framework for static analysis of Unix shell scripts. Bourne-again shell is chosen as the primary subject of interest. The first part of the project discusses a principles of static analysis and current static analysis tools. The diploma thesis presents a framework based on modular system, which enables plug-ins to perform different kinds of analysis on scripts. Framework includes plug-in management, means of interaction, handling outputs and input setting. This thesis also contains the description of a few plug-ins, designed to perform basic analysis of scripts.
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Statická analýza možných hodnot proměnných v programech v C / Static Value Analysis over C ProgramsĎuričeková, Daniela January 2013 (has links)
Value-range analysis is a static analysis technique based on arguing about the values that a variable may take on a given program point. It can be used to prove absence of run-time errors such as out-of-bound array accesses. Since value-range analysis collects information on each program point, data-flow analysis can be used in association with it. The main goal of this work is designing and implementing such a value-range analysis tool. The work begins with an introduction into the topic, an explanation of data-flow and value-range analyses and a description of abstract interpretation, which provides the formal basis of the analyser. The core of this work is the design, implementation, testing and evaluation of the analyser. In the conclusion, our personal experience obtained in the area of the thesis is mentioned, along with a discussion of a possible future development of the designed tool.
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Using Cloud Technologies to Optimize Data-Intensive Service ApplicationsLehner, Wolfgang, Habich, Dirk, Richly, Sebastian, Assmann, Uwe 01 November 2022 (has links)
The role of data analytics increases in several application domains to cope with the large amount of captured data. Generally, data analytics are data-intensive processes, whose efficient execution is a challenging task. Each process consists of a collection of related structured activities, where huge data sets have to be exchanged between several loosely coupled services. The implementation of such processes in a service-oriented environment offers some advantages, but the efficient realization of data flows is difficult. Therefore, we use this paper to propose a novel SOA-aware approach with a special focus on the data flow. The tight interaction of new cloud technologies with SOA technologies enables us to optimize the execution of data-intensive service applications by reducing the data exchange tasks to a minimum. Fundamentally, our core concept to optimize the data flows is found in data clouds. Moreover, we can exploit our approach to derive efficient process execution strategies regarding different optimization objectives for the data flows.
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