2 research outputs found
SIPBIO : biometrics SIP extension
During the last few decades biometric technologies have become an important research field in computer security. Their deployment, however, in heterogeneous enterprise systems, is complex due to the lack of standardisation. Session Initiation Protocol (SIP) is a popular communication protocol widely used in voice over Internet protocol networks; due to its flexibility, SIP has been broadly adopted in telecommunications for carrier level and telephony systems. This thesis proposes the use of SIPBIO, an extension to SIP, to establish and control multimedia sessions for biometric interactions.
For biometric usage in telecommunications networks, a synthesis of techniques to use human characteristics as challenge tokens for access to network resources is first presented. An overview of the SIP protocol is then exposed, by focusing on understanding SIP messages and their component elements. Posteriorly, advanced concepts, such as extensions to the default protocol are introduced.
After the technology background review, the core of the proposal is presented with extensive use-case scenarios of biometric operations and the introduction of necessary SIPBIO requirements. Formal processes are defined along with the method to extend SIP to the proposed SIPBIO protocol. It follows a detailed outline of all headers and body components that give form to SIPBIO and define its nature. These stages provide the fundamentals for the protocol implementation.
Finally, simulations of some common cases are presented to show the feasibility of SIPBIO. This can be used as a sample flow for full implementations and applications.
This thesis corroborates the viability of using a SIP-based protocol for establishing, maintaining and tearing down biometric multimedia sessions
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Enhancing situational awareness and communication during flood crisis events using social media framework: the case of Bosnia and Herzegovina
This thesis was submitted for the award of Doctor of Philosophy and was awarded by Brunel University LondonThe current thesis approaches the issue of using social media for the case of Bosnia and Herzegovina for the recurring flood crisis events. The current status of using and interacting with social media , through studying the literature of the previous facts and results towards using social media by governmental and public representatives have been investigated. Different experiences were found related to countries that are experiencing flood events and their uses of social media. On the other hand it was found that little or no information were presented for the uses of social media for crises events in Bosnia and Herzegovina case. It was found that the reasons for not having current implementation of a solution is related to the complex governmental structure that are present in the Bosnian state government, entities of Bosnia and Herzegovina, Brčko District, cantons and regions. Further investigations were initiated to identify the current uses, needs and obstacles towards the use of social media tools and services as a medium for increasing situational awareness and communication in Bosnia and Herzegovina. The considerations of the previous investigation were with respect to governmental complex structure and public needs. The results of the investigation managed to outline the current challenges with respect for each investigated sector. The outputs of the previous investigations have been used as inputs to direct and guide the system design of the proposed new system framework that is aiming for enhancing situational awareness and communication during flood crisis events using social media framework. The system design and functionalities have focused on providing sharing environment for the complex government structure and public needs with a direct focus on not distracting the current used structure and public ethnical segregations. The system framework has been tested and the reflection of governmental attitude and public results has been encouraging towards adopting this framework for future flood events in Bosnia and Herzegovina