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- no lecture - +	josef is "out in town"  +
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2nd Assignment Presentations H17 +	Present your assignments, 20 min each+10min discussion  +
2nd Assignment Presentations H17cont +	2nd round of presentations of your assignments, 20 min each+10min discussion  +
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5G Network Slicing for Free Access to Information +	In Mobile Communications, 5G Research is focussing on (a) massive mobile broadband, (b) billions of sensors connected to the network, and (c) ultra-reliable and low-latency networks. A promising technology for addressing these issues is ''network slicing''. This thesis will look into network slicing for free access to information, and thus address the challenges of sustainable development. The free access to information (''InfoInternet'') is answering the needs of digital inclusion, and addresses the needs of 4 billion people currently not using the Internet. [[InfoInternet]] means free access to information for all, and addresses directly the SDG goal 9.c of the Agenda 2030. InfoInternet is further the basis ans the catalyst for SDG 3 (health), 4 (education), 5 (gender equality), 8 (decent work), 10 (reduced inequalities), 11 (sustainable cities and communities) and 17 (partnership for the goals). The envisaged Thesis will elaborate on the network slicing for InfoInternet, and evaluates the technological and societal aspects. ''see also:'' Thanh van Do, Josef Noll, Sudhir Dixit, Bruno Dzogovic, Van Thuan Do, Boning Feng, "Reducing Inequalities with 5G Internet Light Network Slice", 5G World Summit, IEEE 5G World Forum, 9-11July2018, Santa Clara, California, USA  +
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A Semantic Approach for context-aware Authorization in Enterprise Systems +	Single-Sign-On (SSO) is one of the dominant sign on mechanisms for the web. Though implementations of SSO are known for quite some year, with implementations from e.g. myopenid.org and Feide, they have only recently reached the mass market. Social networks like LinkedIN, Facebook and Google allow for SSO or rather remote authentication, which is then used for access authorisation of specific tasks on the server of the requiring party. Current Single-Sign-On Systems are only delivering the "yes/no" authentication string back to requiring party. This binary authentication is not state-of-the-art, as it does not provide any information of the role of the person in the remote organisation or the trust-level resulting from the authentication. Advanced access systems include the notation of roles (RBAC) or even attributes (ABAC). Semantic technologies are seen as enablers for context information, which can be add as on of the attributes in an ABAC system. This master thesis consists of research around the topic of authentication methods. We are interested what different kinds of policies that are available to us, third party authentication and what other purposes does the authentication mechanism (e.g. password) have other than pure authentication for common platforms (UNIX, Windows and OSX). The main purpose here is to find the effect of each method/policy that are available to us and henceforth theorize on some best practices. This thesis will establish a model describing the cost-/benefit analysis for a company providing advanced authentication mechanisms, including SSO. A specific focus is on the use of passwords, as they are seen to be critical both with respect to security, but also with respect to usability. The envisaged outcome of the thesis is a policy-based decision tree, allowing companies to define a required security level, and then adopt criteria which will met this required security. Common- and best-praxis examples are foreseen to elaborate on how close industrial solutions are to satisfy the security policy in conjunction with an easy-to-use algorithm.  +
A decentralised Internet for local Empowerment +	The thesis will address how a decentralised Internet can be established. Bandwidth- and cost-constraints have manifested the digital divide, especially in developing economies. According to the "Gender Gap" report by the Alliance for Affordable Internet (A4AI), less than 1% of people had access to meaningful Internet in 2021. Such a low Internet usage requires novel concepts, e.g. a decentralised Internet providing free access to information through local information spots in the community. Such a concept, as described in [[BasicInternet:Solutions]], is based on a village server, being e.g. a [[Raspberry Pi]]. Concepts of content caching, which were popular in the beginning of the Internet, are less applicable due to the need for encrypted communications. This thesis will explore the mechanisms for a freemium access in remote areas, including e.g. subscribe services on the decentralised cloud. The solution can be exploited and tested in schools in Africa South of Sahara (SSA), e.g. Kenya or Tanzania.  +
A more secure Internet through Internet Lite +	[[Internet lite]] is the terminology used to address the free access to information for all. The role of digital technology in achieving the Sustainable Development Goals (SDGs) is well-established and integrated into the Agenda 2030. The thesis will address how Internet Lite, e.g. using the AMP layers, enhances the security of the Internet. The "full Internet" has a series of challenges, e.g. email attachments with macros in .xls, .docx, malware hidden as heavy java codes or other functionalities inviting for attacks. By introducing an ''Internet lite'' consisting of the "bare minimum", e.g. text, pictures and a set of lightweight java scripts, one can reduce the attack vectors drastically. The thesis will explore methods for accessing and comparing the security aspects of Internet Lite vs full Internet. Digital access is the key to digital development – a global public good, which can act as a catalyst towards achieving sustainability, participation and inclusive development. Digitalisation is intrinsic to achieving good health (SDG 3), good education (SDG 4), equality and empowerment (SDGs 5 and 10), decent work and economic growth (SDG 8), partnership (SDG 17), all driven by SDG 9 – industrial innovation and infrastructure. Internet lite establishes the freemium (free & premium) model for digital access. Free access to information, being text, pictures and local video, and premium access to broadband content such as video and games. The concept was established by the Basic Internet Foundation in order to enable digital inclusion in developing economies.  +
API comparison: Protege, OWL and SPARQL +	During this lecture we will continue the discussion of the differences between Protege, OWL, SPARQL (and Jena) APIs. The expected outcome is a comparison between the APIs.  +
Access and improve optical sensors for vehicle navigation +	* optical sensors *  +

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