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1.
TOWARDS A SUSTAINABLE SYSTEM FOR NON-BUREAUCRATIC GOVERNMENT
Aloisius Paulin, 2015, doktorska disertacija

Opis: The present doctoral thesis develops a pioneering system for the self-management of jural eligibilities by means of ICTs as the basis for a novel form of government of juropolitical societies. By means of this system we aim to contribute towards a form of government that would not require a dedicated civil service for the creation, storage, change, and deletion of jural eligibilities in the context of the res publica. In the thesis we explore the concept of jural relations as the atomic links of governmental systems, the composition of the jural relations as such, as well as the role of the jural subjectivity as a crucial component for creating complex systems of jural relations that serve as the underlying structures of juropolitical systems. We then walk through the history of the civil service – the bureaucratic machine, as Banfield called it, to understand its role and implications on the course of civilization, up till present time, where we discuss the impacts of ICTs on the development of the bureaucratic machine as such. We argue that the changes which ICTs so far brought to the government sector through what is known as e-government, e-democracy, and e-governance respectively, are based on unsustainable artefacts and hence there are strong reasons for them to be considered more of a burden to future generations, rather than a source of relief. Based on the implications of the so explored context we describe a model for an information system that would enable self-managed creation and determination of jural eligibilities, and thus self-managed government of juropolitical societies as such. We call this model Sustainable Non-Bureaucratic Government (SNBG). SNBG bases on a network of electronic registries, which store jural facts, from which eligibilities can be derived through a dedicated mechanism, which we call constellation-based reasoning (CBR). CBR bases on a purposely developed fine-grained data access control mechanism, which does not rely on predefined accessor roles, but dynamically enables / disables access to data based on the context of the request and the context of the data stored in the accessed registry. As such, CBR is purposely designed to support changing the rules of access to the stored data by means of collaborative decision making, as such is required in the political legislative context, whereby the rules that regulate such decision making, are again governed by the very same system, which ensures full flexibility of the SNBG system to fluidly undergo at design-time unpredictable transitions that would happen through time. This feature amongst others then, assures the system’s sustainability. We describe the architecture and the stakeholders of SNBG, as well as auxiliary constructs for planning and communicating regulations which make-up the CBR rules. We define the functional characteristics that instances of the electronic registries must satisfy in order to assure sustainability and to be applicable in the juropolitical context in accordance with core jural principles (and in order to avoid the mistakes as conducted in the course of development of e-government artefacts). Then, we describe the instantiation of a prototype SNBG system, i.e. the instantiation of a respective electronic registry that provides CBR-based access to the underlying data stored in a relational database. We evaluate this prototype instantiation based on three demo applications, which prove its technical feasibility in different scenarios. Finally, we evaluate the SNBG model in four different real-world scenarios to argue for its feasibility in crucial governance situations.
Ključne besede: unsustainability of e-government, self-management of jural relations, computability of jural eligibilities, non-bureaucratic government, collaborative decision making, liquid democracy, fine-grained data access control, fair non-repudiation, digital identity
Objavljeno: 04.06.2015; Ogledov: 940; Prenosov: 20
.pdf Celotno besedilo (11,06 MB)

2.
Modelling medium access control in IEEE 802.15.4 nonbeacon-enabled networks with probabilistic timed automata
Tatjana Kapus, izvirni znanstveni članek

Opis: This paper concerns the formal modelling of medium access control in nonbeacon-enabled IEEE 802.15.4 wireless personal area networks with probabilistic timed automata supported by the PRISM probabilistic model checker. In these networks, the devices contend for the medium by executing an unslotted carrier sense multiple access with collision avoidance algorithm. In the literature, a model of a network which consists of two stations sending data to two different destination stations is introduced. We have improved this model and, based on it, we propose two ways of modelling a network with an arbitrary number of sending stations, each having its own destination. We show that the same models are valid representations of a star-shaped network with an arbitrary number of stations which send data to the same destination station. We also propose how to model such a network if some of the sending stations are not within radio range of the others, i.e. if they are hidden. We present some results obtained for these models by probabilistic model checking using PRISM.
Ključne besede: wireless personal area network, medium access control, hidden station, formal specification, probabilistic model checking
Objavljeno: 15.06.2017; Ogledov: 314; Prenosov: 180
.pdf Celotno besedilo (2,25 MB)
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3.
Development of RFID/NFC based access control system
Darko Topić, 2018, magistrsko delo

Opis: The master thesis describes the development of NFC/RFID access control system based on the ARM platform. The access control system is widely used in different applications. The goal of this thesis is to develop a smart NFC access control system used for accessing an elevator, where users could use only NFC tags to access a specific floor. The design of the proposed NFC access control system is based on the ARM platform, while the developed NFC antenna guarantees wide scanning range. At the end of the thesis the results are presented.
Ključne besede: access control system, RFID, NFC, MIFARE, ARM processor, embedded system, short-range communication, contactless communication, ISO/IEC 14443
Objavljeno: 23.05.2018; Ogledov: 1396; Prenosov: 265
.pdf Celotno besedilo (7,51 MB)

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