نتایج جستجو برای: spatial integrity
تعداد نتایج: 430450 فیلتر نتایج به سال:
Araştırma temel bir soru etrafında şekillenir: Çağdaş senaryo tekniklerini oluşturan örtük yapılar, mimari tasarım sürecine nasıl uyarlanabilir? Bu bağlamda araştırmanın amacı, çağdaş tekniklerinin geliştirilmesinde rol oynayan setlerinin uyarlanması ve sonuçların teorik açıdan tartışılarak mimariye uygunluğunun değerlendirilmesidir. nedenle, ardışık sekansların incelenmesi tekniklerine odaklan...
For safety-of-life applications used together with global navigation satellite systems, such as in civil aviation and autonomous driving, integrity is of paramount importance. Integrity monitoring protects the user safety based on two general approaches: mitigating large signal failures bounding residual errors. The fault detection exclusion (FDE) faulty satellites part former approach. In clas...
In order to update the cadastral database and maintain it's topological consistency automatically (or semi-automatically) during the updating process, an event-driven incremental updating method of cadastral database considering topological integrity is proposed in this paper. In this method, five kinds of cadastral spatial change is divided to five kinds of basic events: node-moving, union, sp...
This paper discusses the flight test results of a real-time Digital Elevation Model (DEM) integrity monitor for Civil Aviation applications. Providing pilots with Synthetic Vision (SV) displays containing terrain information has the potential to improve flight safety by improving situational awareness and thereby reducing the likelihood of Controlled Flight Into Terrain (CFIT). Utilization of D...
BACKGROUND Late-life depression has been associated with white matter changes in studies using the regions of interest approach. AIMS To investigate the cross-sectional and longitudinal relationship between white matter integrity and depression in community-dwelling individuals using diffusion tensor imaging with tract-based spatial statistics. METHOD The sample comprised 381 participants a...
This paper describes the problems found in geographic databases design during the conceptual modeling of real world elements that are related by a network structure. It is believed that is possible to reach a better quality of the geographical data if spatial integrity constraints about the elements on a network are specified in a conceptual level. Hence, the purpose of this paper is to expand ...
With the trend of cloud computing, outsourcing databases to third party service providers is becoming a common practice for data owners to decrease the cost of managing and maintaining databases in-house. In conjunction, due to the popularity of location-based-services (LBS), the need for spatial data (e.g., gazetteers, vector data) is increasing dramatically. Consequently, there is a noticeabl...
An efficient spatial data structure in a GIS system for database updating is required in order to minimising of spatial constraint violations and timesaving. An automated constraint checking procedure has been introduced to perform constraint violations check at compiling time before updating the database. Formal definitions of spatial data types were used in attempt to formulate novel equation...
The study reported in this paper is based on two assumptions about the importance of the consistency of a geographical database. Firstly, consistency is an important factor concerning the quality of data. Secondly, consistency of a geographical object requires that the description of the context of the object is a part of the object definition. In object-oriented databases, it is possible to mo...
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