The paper describes a Pictorial Query-By-Example (PQBE) aimed at the retrieval of direction relations from Image Databases. PQBE incorporates several features such as object, image and relation retrieval, union, intersection etc. Unlike verbal query languages it does not presume knowledge of keywords for spatial relations on behalf of the user, nor familiarity with database models, but complex ...

Vulnerability assessment is a significant component of effective disaster management. Following the Hyogo Framework for Action 2005-2015, countries need to identify appropriate vulnerability indicators and to assess the impact of disasters. Vulnerability assessment is a prerequisite for disaster risk reduction and capacity building of communities. It can play an important role especially for de...

purpose: suitable site selections to provide the services needed by the tourists, is one of the most important step for tourism planning in the form of tourism villages based on the identification and analysis of the various criteria and indicators. mahabad dam lake as one of the beautiful tourist attractions in western azerbaijan province, attracts many tourists each year especially during the...

background:although intellectual disability (id) is a common disability in iran, there is no investigation on the spatial distribution pattern of these patients in national level and the spatial maps for recognition the areas with higher prevalence of ids and local neighborhoods of these regions or effect of socio-demographic factor on this scattering is not still available. this proposition mo...

multiple sclerosis (ms) is a disease with high disabling disorders and considerable social and economic impacts. this study was conducted to analyze the spatial distribution of ms disease in tehran, iran during 2001-2012.the existing information in the ms patients' medical files who had registered in iranian ms society (imss), located in tehran office, was used for analysis. the relationship be...

ecotourism as the most attractive subset of the tourism industry can contribute to natural resource conservation and local development. although great numbers of people annually visit abbasabad area, in veresk, mazandaran, to enjoy its brilliant landscape and moderate ecologic condition, there is no applicable plan for many natural attractive zones in this area. as a result, some specific well ...