Infrastructure Engineering - Research Publications

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    3D data sourcing for land and property information: a geometric and semantic perspective
    JAZAYERI, IDA ; RAJABIFARD, ABBAS ; Kalantari, Mohsen ( 2013)
    Population growth has prompted land administrators to re-evaluate the current land development cycle, incorporating the third dimension to enable a more complete and effective property registration system. This research, which centres on the 3D data sourcing methods, has suggested a set of data sourcing requirements. It is envisaged that the culmination of legal entities together with the geometric and semantic components of our cities in a 3D environment will enable a more complete and effective land and property information registration system that will in turn ultimately help decision-making processes in our governing bodies to better manage economic development and build sustainable communities. Focussing on two of these requirements (geometric and semantic) an investigation on data acquisition techniques is discussed. Implementation of UAV data is suggested as an effective data sourcing method, particularly for developing countries and poverty stricken areas, where low cost is critical.
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    Land administration for housing production: An approach for assessment
    Agunbiade, ME ; Rajabifard, A ; Bennett, R (ELSEVIER SCI LTD, 2014-05)
    Abstract withheld
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    A geometric and semantic evaluation of 3D data sourcing methods for land and property information
    Jazayeri, I ; Rajabifard, A ; Kalantari, M (ELSEVIER SCI LTD, 2014-01)
    Abstract withheld
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    On recognizing land administration as critical, public good infrastructure
    Bennett, R ; Tambuwala, N ; Rajabifard, A ; Wallace, J ; Williamson, I (ELSEVIER SCI LTD, 2013-01)
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    Inter-governmental land information asymmetries in Australia
    Tambuwala, Nilofer ; RAJABIFARD, ABBAS ; BENNETT, ROHAN ; WILLIAMSON, IAN ; WALLACE, JUDE ( 2012)
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    Spatially Enabling Risk for Management of Land and Property
    POTTS, K ; Rajabifard, A ; Williamson, IP (Surveying & Spatial Sciences Institute, 2011)
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    Understanding the relationship between spatial information, property markets and macroeconomic policy
    Tambuwala, N ; Bennett, RM ; Rajabifard, A ; Williamson, IP (Surveying & Spatial Sciences Institute, 2011)
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    Spatially enabled society
    WILLIAMSON, IAN ; RAJABIFARD, ABBAS ; WALLACE, JUDE ; BENNETT, ROHAN (International Federation of Surveyors (FIG), 2011)
    The term 'spatially enabled society' describes the emerging cultural and governance revolution offered by pervasive spatial information technologies and spatially equipped citizens. Spatially enabled societies make possible, amongst many other things, sustainable cities, GFC early warning systems, smarter delivery of housing, improved risk management, and better macroeconomic decision making. The concept is not about managing spatial information, it is about governing society spatially. Spatially enabled societies represent the realization of the promises offered by building spatial data infrastructures (SDIs) and reforming land administration systems. These building blocks, established over decades, make possible spatially enabled societies. Without tools for managing metadata, building complete national cadastres, modelling and integrating the 3rd dimension, and much other foundational work, spatially enabled societies cannot emerge. This paper explores the notion of spatially enabled societies further. Example applications are used in the discussion. The paper also demonstrates how, despite the grand possibilities of revolutionary spatial technologies and spatially aware citizens, existing infrastructures including SDIs and land administration system will still require an ongoing governance structure for spatially enabled societies to be maintained.
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    Spatially enabled risk management: models, cases, validation
    Potts, Katie ; RAJABIFARD, ABBAS ; BENNETT, ROHAN ; WILLIAMSON, IAN (GSDI, 2012)
    Risk has a spatial nature. All events that result from risks have a link to a specific location or a factor in space. Understanding where on earth these risks are present allows for these risks to be mitigated, avoided, or managed. In order to manage the risks however accurate and timely spatial information about land and property is first needed. Historically, land administration systems have held this information, however, in recent years these systems have been superseded by other infrastructures that have the capability to capture and store information spatially. While these new systems offer the advantages of spatially enabled information, the authoritative information held within land administration systems is necessary for risk management. Land administration systems need to adapt to remain relevant in the 21st century, and coordination between these land administration systems and the new infrastructures is required to increase the ability of stakeholders to manage this information for risk management purposes. A framework targeted at this issue has been developed which proposes a spatially enabled approach for managing risks for governments, industry, citizens and wider society that takes into account the current information infrastructures (including land administration systems), the stakeholders, and the relevant risks that affect land and property. This framework results in the aggregation and dissemination of consistent information about risk to land and property to all stakeholders. So far the proposed framework has not been tested; however the recent floods in Queensland present an opportunity to apply the framework in the post event environment to determine whether the framework is appropriate within the Australian context.
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    Land and property information in 3D
    RAJABIFARD, ABBAS ; Kalantari, Mohsen ; WILLIAMSON, IAN (International Federation of Surveyors (FIG), 2012)
    People increasingly live in high density urban, often high rise and multi functional buildings. These increasingly urbanized populations will predominantly live in multi-level, multipurpose, highly engineered, high-rise developments. Cities require significant infrastructure above and below the ground. Rapidly expanding vertical cities and their populations will experience a range of new environmental, social and economic challenges. The lack of an efficient and effective three dimensional solution limits the ability of the public to visualize and communicate 3D developments, the ability of architects, engineers and developers to capitalize on the full potential of 3D title models; the ability of governments and developers to visualize multi-level developments resulting in increased costs and delays; and the ability of land registries to administer a title registration system that can accommodate these increasingly complex multi-level developments. This paper aims to introduce an approach which helps address the problem of modelling and managing complex 3D property rights, restrictions and responsibilities (RRR). The outcomes of this research incorporate the third dimension of height into the land subdivision and development process to build an infrastructure for managing and modelling spatial extension of these complex property RRRs. This research moves the multiple two dimensional drawings that now identify buildings and infrastructure objects and their separate parcels into authentic visual 3D representation of the building and objects that meet the exacting legal standards of ground surveys.