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Articles 1 - 30 of 32
Full-Text Articles in Physical Sciences and Mathematics
Distpreserv: Maintaining User Distribution For Privacy-Preserving Location-Based Services, Yanbing Ren, Xinghua Li, Yinbin Miao, Robert H. Deng, Jian Weng, Siqi Ma, Jianfeng Ma
Distpreserv: Maintaining User Distribution For Privacy-Preserving Location-Based Services, Yanbing Ren, Xinghua Li, Yinbin Miao, Robert H. Deng, Jian Weng, Siqi Ma, Jianfeng Ma
Research Collection School Of Computing and Information Systems
Location-Based Services (LBSs) are one of the most frequently used mobile applications in the modern society. Geo-Indistinguishability (Geo-Ind) is a promising privacy protection model for LBSs since it can provide formal security guarantees for location privacy. However, Geo-Ind undermines the statistical location distribution of users on the LBS server because of perturbed locations, thereby disabling the server to provide distribution-based services (e.g., traffic congestion maps). To overcome this issue, we give a privacy definition, called DistPreserv, to enable the LBS server to acquire valid location distributions while providing users with strict location protection. Then we propose a privacy-preserving LBS scheme …
A Framework For Modelling User Activity Preferences, Roberto Barboza Junior
A Framework For Modelling User Activity Preferences, Roberto Barboza Junior
Electronic Thesis and Dissertation Repository
The availability of location data increases every day and brings the opportunity to mine these data and extract valuable knowledge about human behaviour. More specifically, these data may contain information about users’ activities, which can enable, for example, services to improve advertising campaigns or enhance the user experience of a mobile application. However, several techniques ignore the fact that users’ context other than location and time, such as weather conditions, influences their behaviour. Moreover, several studies focus only on a single data source, addressing either data collected without any type of user interaction, such as GPS data, or data spontaneously …
Workshop | Body Worn Video Recorders: The Socio-Technical Implications Of Gathering Direct Evidence, Katina Michael, Alexander Hayes
Workshop | Body Worn Video Recorders: The Socio-Technical Implications Of Gathering Direct Evidence, Katina Michael, Alexander Hayes
Alexander Hayes Mr.
- From in-car video recording to body-worn video recording
- Exploring available technologies: how do they work, pros and cons
- Storing direct evidence in secure storage: factors to consider
- Citizens “shooting” back with POV tech – what are their rights?
- Crowdsourced sousveillance- harnessing public data for forensic profiling
- Police force policies and practices on the application of new media
Big Data: New Opportunities And New Challenges, Katina Michael, Keith Miller
Big Data: New Opportunities And New Challenges, Katina Michael, Keith Miller
Associate Professor Katina Michael
We can live with many of the uncertainties of big data for now, with the hope that its benefits will outweigh its harms, but we shouldn't blind ourselves to the possible irreversibility of changes—whether good or bad—to society.
It's no secret that both private enterprise and government seek greater insights into people's behaviors and sentiments. Organizations use various analytical techniques—from crowdsourcing to genetic algorithms to neural networks to sentiment analysis—to study both structured and unstructured forms of data that can aid product and process discovery, productivity, and policy-making. This data is collected from numerous sources including sensor networks, government data …
The Social Implications Of Covert Policing, Simon Bronitt, Clive Harfield, K. Michael
The Social Implications Of Covert Policing, Simon Bronitt, Clive Harfield, K. Michael
Clive Harfield
Police agencies have been accused of suffering from an acute form of technophilia. Rather than representing some dreadful disorder, this assessment reflects the strong imperative, both in police agencies and the wider community, that police must have access to the latest technologies of surveillance and crime detection.
The last decade has witnessed the proliferation of low-cost surveillance technologies, some developed specifically for law enforcement purposes. Technology once the preserve of the military or secret intelligence agencies is now within the reach of ordinary general duties police officers. The new generation of police recruits is highly adept at using new technologies. …
Natural Disasters And Early Warning Systems In Australia, Emma Papaemanuel, Katina Michael, Peter Johnston
Natural Disasters And Early Warning Systems In Australia, Emma Papaemanuel, Katina Michael, Peter Johnston
Professor Katina Michael
Australia's national emergency warning system alerts. Radio program in Greek.
Are Disaster Early Warnings Effective?, Kerri Worthington, Katina Michael, Peter Johnson, Paul Barnes
Are Disaster Early Warnings Effective?, Kerri Worthington, Katina Michael, Peter Johnson, Paul Barnes
Professor Katina Michael
Australia's summer is traditionally a time of heightened preparation for natural disasters, with cyclones and floods menacing the north and bushfires a constant threat in the south. And the prospect of more frequent, and more intense, disasters thanks to climate change has brought the need for an effective early warning system to the forefront of policy-making. Technological advances and improved telecommunication systems have raised expectations that warning of disasters will come early enough to keep people safe. But are those expectations too high? Kerri Worthington reports. Increasingly, the world's governments -- and their citizens -- rely on technology-based early warning …
Location And Tracking Of Mobile Devices: Überveillance Stalks The Streets, Katina Michael, Roger Clarke
Location And Tracking Of Mobile Devices: Überveillance Stalks The Streets, Katina Michael, Roger Clarke
Professor Katina Michael
During the last decade, location-tracking and monitoring applications have proliferated, in mobile cellular and wireless data networks, and through self-reporting by applications running in smartphones that are equipped with onboard global positioning system (GPS) chipsets. It is now possible to locate a smartphone-user's location not merely to a cell, but to a small area within it. Innovators have been quick to capitalise on these location-based technologies for commercial purposes, and have gained access to a great deal of sensitive personal data in the process. In addition, law enforcement utilise these technologies, can do so inexpensively and hence can track many …
Towards A Conceptual Model Of User Acceptance Of Location-Based Emergency Services, Anas Aloudat, Katina Michael
Towards A Conceptual Model Of User Acceptance Of Location-Based Emergency Services, Anas Aloudat, Katina Michael
Professor Katina Michael
This paper investigates the introduction of location-based services by government as part of an all-hazards approach to modern emergency management solutions. Its main contribution is in exploring the determinants of an individual’s acceptance or rejection of location services. The authors put forward a conceptual model to better predict why an individual would accept or reject such services, especially with respect to emergencies. While it may be posited by government agencies that individuals would unanimously wish to accept life-saving and life-sustaining location services for their well-being, this view remains untested. The theorised determinants include: visibility of the service solution, perceived service …
Humancentric Applications Of Rfid Chips, S. Derrick, K. Michael, H. Tootell
Humancentric Applications Of Rfid Chips, S. Derrick, K. Michael, H. Tootell
Dr Holly Tootell
No abstract provided.
Interative Discussion Leader (Idt) @ Futuregov Forum Queensland On The Theme Of "Mobile Government", Katina Michael, Erica Fensom
Interative Discussion Leader (Idt) @ Futuregov Forum Queensland On The Theme Of "Mobile Government", Katina Michael, Erica Fensom
Professor Katina Michael
Mobile Government Briefing: Provide services anywhere any time: - Transact to enable in-field data collection, request processing, order management, approvals, edits, updates and execute actions. - What are the implications for the incorporation of rich multimedia content on devices to better serve staff and citizens? - Addressing the security challenges of various risks around data access, data transmission, and data storage for BI architecture and mobile devices
The Value Of Government Mandated Location-Based Services In Emergencies In Australia, Anas Aloudat, Katina Michael, Roba Abbas, Mutaz Al-Debei
The Value Of Government Mandated Location-Based Services In Emergencies In Australia, Anas Aloudat, Katina Michael, Roba Abbas, Mutaz Al-Debei
Associate Professor Katina Michael
The adoption of mobile technologies for emergency management has the capacity to save lives. In Australia in February 2009, the Victorian Bushfires claimed 173 lives, the worst peace-time disaster in the nation’s history. The Australian government responded swiftly to the tragedy by going to tender for mobile applications that could be used during emergencies, such as mobile alerts and location services. These applications, which are becoming increasingly accurate with the evolution of positioning techniques, have the ability to deliver personalized information direct to the citizen during crises, complementing traditional broadcasting mediums like television and radio. Indeed governments have a responsibility …
Location Privacy Under Dire Threat As Uberveillance Stalks The Streets, Katina Michael, Roger Clarke
Location Privacy Under Dire Threat As Uberveillance Stalks The Streets, Katina Michael, Roger Clarke
Associate Professor Katina Michael
Location tracking and monitoring applications have proliferated with the arrival of smart phones that are equipped with onboard global positioning system (GPS) chipsets. It is now possible to locate a smart phone user down to 10 metres of accuracy on average. Innovators have been quick to capitalise on this emerging market by introducing novel pedestrian tracking technologies which can denote the geographic path of a mobile user. At the same time there is contention by law enforcement personnel over the need for a warrant process to track an individual in a public space. This paper considers the future of location …
Implementing Namebers Using Microchip Implants: The Black Box Beneath The Skin, Katina Michael, M.G. Michael
Implementing Namebers Using Microchip Implants: The Black Box Beneath The Skin, Katina Michael, M.G. Michael
Associate Professor Katina Michael
The use of electronic-based physical access cards to secure premises such as government buildings and large corporate offices has been in operation since the inception of bar code and magnetic-stripe cards in the 1970s. Over time, for secure access control, these first generation card technologies based on optical character recognition (OCR) and magnetic ink character recognition (MICR) were replaced by more sophisticated technologies such as smart cards and biometrics, containing encrypted data and techniques which were more difficult to dupe or to replicate \cite{michael2003a}.
An employee today wanting to gain access to their place of work, typically carries a photo …
The Value Of Government Mandated Location-Based Services In Emergencies In Australia, Anas Aloudat, Katina Michael, Roba Abbas, Mutaz M. Al-Debei
The Value Of Government Mandated Location-Based Services In Emergencies In Australia, Anas Aloudat, Katina Michael, Roba Abbas, Mutaz M. Al-Debei
Dr. Mutaz M. Al-Debei
The adoption of mobile technologies for emergency management has the capacity to save lives. In Australia in February 2009, the Victorian Bushfires claimed 173 lives, the worst peace-time disaster in the nation’s history. The Australian government responded swiftly to the tragedy by going to tender for mobile applications that could be used during emergencies, such as mobile alerts and location services. These applications, which are becoming increasingly accurate with the evolution of positioning techniques, have the ability to deliver personalized information direct to the citizen during crises, complementing traditional broadcasting mediums like television and radio. Indeed governments have a responsibility …
The Social And Behavioral Implications Of Location-Based Services, Katina Michael, M.G. Michael
The Social And Behavioral Implications Of Location-Based Services, Katina Michael, M.G. Michael
Associate Professor Katina Michael
The social and behavioral implications of location-based services (LBS) are only now beginning to come to light in advanced markets where the services have been adopted by just a little over half the market (Microsoft 2011). Depending on one’s definition of what constitutes location-based services, statistics on the level of adoption differ considerably. While it is helpful to provide as broad a list of applications as possible in what constitutes LBS (e.g. everything from in-vehicle navigation systems to downloading a map using a computer), it can also cloud the real picture forming behind this emerging technology. Emerging not in the …
Recommendations For Australia’S Implementation Of The National Emergency Warning System Using Location-Based Services, Anas Aloudat, Katina Michael, Roba Abbas
Recommendations For Australia’S Implementation Of The National Emergency Warning System Using Location-Based Services, Anas Aloudat, Katina Michael, Roba Abbas
Professor Katina Michael
Mobile alerts, notifications and location-based emergency warning systems are now an established part of mobile government strategies in an increasing number of countries worldwide. In Australia the national emergency warning system (NEWS) was instituted after the tragic Black Saturday Victorian Bushfires of February 2009. In the first phase, NEWS has enabled the provision of public information from the government to the citizen during emergencies anywhere and any time. Moving on from traditional short message service (SMS) notifications and cell broadcasting to more advanced location-based services, this paper provides executive-level recommendations about the viability of location-based mobile phone services in NEWS …
The Application Of Location Based Services In National Emergency Warning Systems: Sms, Cell Broadcast Services And Beyond, Anas Aloudat, Katina Michael
The Application Of Location Based Services In National Emergency Warning Systems: Sms, Cell Broadcast Services And Beyond, Anas Aloudat, Katina Michael
Professor Katina Michael
Location-based services can be broadly defined as any service that provides information pertinent to the current location of an active mobile handset at a specific window of time, regardless of the underlying delivery technology used to convey its information. To date, the short message service and cell broadcast service have been utilised by several countries during emergencies, however the future indicates that these services while cost-effective today, will almost certainly be superseded in the next five to ten years by newer more powerful capabilities. The path forward in location-based emergency services in Australia is given against a backdrop of the …
Emerging Forms Of Covert Surveillance Using Gps-Enabled Devices, Roba Abbas, Katina Michael, M.G. Michael, Anas Aloudat
Emerging Forms Of Covert Surveillance Using Gps-Enabled Devices, Roba Abbas, Katina Michael, M.G. Michael, Anas Aloudat
Professor Katina Michael
This paper presents the real possibility that commercial mobile tracking and monitoring solutions will become widely adopted for the practice of non-traditional covert surveillance within a community setting, resulting in community members engaging in the covert observation of family, friends, or acquaintances. This paper investigates five stakeholder relationships using scenarios to demonstrate the potential socio-ethical implications that tracking and monitoring people will have on society at large. The five stakeholder types explored in this paper include: (i) husband-wife (partner-partner), (ii) parent-child, (iii) employer-employee, (iv) friend-friend, and (v) stranger-stranger. Mobile technologies such as mobile camera phones, global positioning system data loggers, …
Emerging Forms Of Covert Surveillance Using Gps-Enabled Devices, Roba Abbas, Katina Michael, M.G. Michael, Anas Aloudat
Emerging Forms Of Covert Surveillance Using Gps-Enabled Devices, Roba Abbas, Katina Michael, M.G. Michael, Anas Aloudat
Professor Katina Michael
This paper presents the real possibility that commercial mobile tracking and monitoring solutions will become widely adopted for the practice of non-traditional covert surveillance within a community setting, resulting in community members engaging in the covert observation of family, friends, or acquaintances. This paper investigates five stakeholder relationships using scenarios to demonstrate the potential socio-ethical implications that tracking and monitoring people will have on society at large. The five stakeholder types explored in this paper include: (i) husband-wife (partner-partner), (ii) parent-child, (iii) employer-employee, (iv) friend-friend, and (v) stranger-stranger. Mobile technologies such as mobile camera phones, global positioning system data loggers, …
Heaven And Hell: Visions For Pervasive Adaptation, Ben Paechter, Jeremy Pitt, Nikola Serbedzijac, Katina Michael, Jennifer Willies, Ingi Helgason
Heaven And Hell: Visions For Pervasive Adaptation, Ben Paechter, Jeremy Pitt, Nikola Serbedzijac, Katina Michael, Jennifer Willies, Ingi Helgason
Professor Katina Michael
With everyday objects becoming increasingly smart and the “info-sphere” being enriched with nanosensors and networked to computationally-enabled devices and services, the way we interact with our environment has changed significantly, and will continue to change rapidly in the next few years. Being user-centric, novel systems will tune their behaviour to individuals, taking into account users’ personal characteristics and preferences. But having a pervasive adaptive environment that understands and supports us “behaving naturally” with all its tempting charm and usability, may also bring latent risks, as we seamlessly give up our privacy (and also personal control) to a pervasive world of …
The Social Implications Of Covert Policing, Simon Bronitt, Clive Harfield, K. Michael
The Social Implications Of Covert Policing, Simon Bronitt, Clive Harfield, K. Michael
Professor Katina Michael
Police agencies have been accused of suffering from an acute form of technophilia. Rather than representing some dreadful disorder, this assessment reflects the strong imperative, both in police agencies and the wider community, that police must have access to the latest technologies of surveillance and crime detection.
The last decade has witnessed the proliferation of low-cost surveillance technologies, some developed specifically for law enforcement purposes. Technology once the preserve of the military or secret intelligence agencies is now within the reach of ordinary general duties police officers. The new generation of police recruits is highly adept at using new technologies. …
Demonstrating The Potential For Covert Policing In The Community: Five Stakeholder Scenarios, Roba Abbas, Katina Michael, M.G. Michael
Demonstrating The Potential For Covert Policing In The Community: Five Stakeholder Scenarios, Roba Abbas, Katina Michael, M.G. Michael
Professor Katina Michael
This paper presents the real possibility that commercial mobile tracking and monitoring solutions will become widely adopted for the practice of non traditional covert policing within a community setting, resulting in community members engaging in covert policing of family, friends, or acquaintances. This paper investigates five stakeholder relationships using scenarios to demonstrate the potential socio-ethical implications that tracking and monitoring people will have on society at large. The five stakeholder types explored in this paper include: (i) husband-wife (partner-partner), (ii) parent-child, (iii) employer-employee, (iv) friend-friend, and (v) stranger-stranger. Mobile technologies such as mobile camera phones, global positioning system data loggers, …
Spatial Cloaking Revisited: Distinguishing Information Leakage From Anonymity, Kar Way Tan, Yimin Lin, Kyriakos Mouratidis
Spatial Cloaking Revisited: Distinguishing Information Leakage From Anonymity, Kar Way Tan, Yimin Lin, Kyriakos Mouratidis
Kyriakos MOURATIDIS
Location-based services (LBS) are receiving increasing popularity as they provide convenience to mobile users with on-demand information. The use of these services, however, poses privacy issues as the user locations and queries are exposed to untrusted LBSs. Spatial cloaking techniques provide privacy in the form of k-anonymity; i.e., they guarantee that the (location of the) querying user u is indistinguishable from at least k-1 others, where k is a parameter specified by u at query time. To achieve this, they form a group of k users, including u, and forward their minimum bounding rectangle (termed anonymzing spatial region, ASR) to …
Katina On Right Path To Test Tracking Technology, Courtney Trenwith, K. Michael
Katina On Right Path To Test Tracking Technology, Courtney Trenwith, K. Michael
Professor Katina Michael
No abstract provided.
Spatial Cloaking Revisited: Distinguishing Information Leakage From Anonymity, Kar Way Tan, Yimin Lin, Kyriakos Mouratidis
Spatial Cloaking Revisited: Distinguishing Information Leakage From Anonymity, Kar Way Tan, Yimin Lin, Kyriakos Mouratidis
Research Collection School Of Computing and Information Systems
Location-based services (LBS) are receiving increasing popularity as they provide convenience to mobile users with on-demand information. The use of these services, however, poses privacy issues as the user locations and queries are exposed to untrusted LBSs. Spatial cloaking techniques provide privacy in the form of k-anonymity; i.e., they guarantee that the (location of the) querying user u is indistinguishable from at least k-1 others, where k is a parameter specified by u at query time. To achieve this, they form a group of k users, including u, and forward their minimum bounding rectangle (termed anonymzing spatial region, ASR) to …
Überveillance: 24/7 X 365 People Tracking & Monitoring, Mg. Michael, K. Michael
Überveillance: 24/7 X 365 People Tracking & Monitoring, Mg. Michael, K. Michael
Associate Professor Katina Michael
No abstract provided.
Überveillance: 24/7 X 365 People Tracking & Monitoring, Mg. Michael, K. Michael
Überveillance: 24/7 X 365 People Tracking & Monitoring, Mg. Michael, K. Michael
M. G. Michael
No abstract provided.
Human Tracking Technology In Mutual Legal Assistance And Police Inter-State Cooperation In International Crimes, Katina Michael, G. L. Rose
Human Tracking Technology In Mutual Legal Assistance And Police Inter-State Cooperation In International Crimes, Katina Michael, G. L. Rose
Professor Katina Michael
The objective of this paper is to explore the role of human tracking technology, primarily the use of global positioning systems (GPS) in locating individuals for the purposes of mutual legal assistance (MLA), and providing location intelligence for use in inter-state police cooperation within the context of transnational crime. GPS allows for the 24/7 continuous real-time tracking of an individual, and is considered manifold more powerful than the traditional visual surveillance often exercised by the police. As the use of GPS for human tracking grows in the law enforcement sector, federal and state laws in many countries are to a …
The Importance Of Scenarios In Evaluating The Socio-Ethical Implications Of Location-Based Services, L. Perusco, Katina Michael
The Importance Of Scenarios In Evaluating The Socio-Ethical Implications Of Location-Based Services, L. Perusco, Katina Michael
Professor Katina Michael
Location-based services (LBS) are those applications that utilize the position of an end-user, animal or thing based on a given device (handheld, wearable, interwoven into fabric or implanted), executed for a particular purpose. LBS applications range from those that are mission-critical to those that are used for convenience, from those that are mandatory to those that are voluntary, from those that are targeted at the mass market to those that cater for the needs of a niche market. Location services can be implemented using a variety of access mediums including global positioning systems and radio-frequency identification, rendering approximate or precise …