This paper presents the state of the art of the geoportals of Italian regions at the end of the year 2007. The report tackles a topic that arose a lot of discussions and is still in the heart of GIS debate: the methods and criteria for evaluating a Spatial Data Infrastructure. The difficulties on evaluating an SDI comes obviously from the complex nature of the matter to examine (de Man, 2006) a...

Spatial Data Infrastructure (SDI) development is widely known to be a challenging process owing to its complex and dynamic nature. Although great effort has been made to conceptually explain the complexity and dynamics of SDIs, few studies thus far have actually modeled these complexities. In fact, better modeling of SDI complexities will lead to more reliable plans for its development. A state...

The paper argues that SDI can best be understood in terms of praxis more than as technological artefact. Because of the many different and often conflicting views of reality, interests and other values between the many heterogeneous actors that are involved, SDI development causes inevitably paradoxes and dilemmas. The paper assumes that SDI is context specific but also has the generic properti...

Spatial Data Infrastructure (SDI) development is widely known to be a challenging process owing to its complex and dynamic nature. Although great effort has been made to conceptually explain the complexity and dynamics of SDIs, few studies thus far have actually modeled these complexities. In fact, better modeling of SDI complexities will lead to more reliable plans for its development. A state...

Miftahul Huda Keringan Nganjuk Islamic Elementary School (SDI) is a favourite school in the district which has very encouraging achievements, and many are obtained from qualified teachers. Quality teachers cannot be separated principal's leadership strategy developing teacher resources school. The method carried out by principal to develop teaching resources. This study aimed explain at SDI Hud...

Chronic diseases and conditions are serious threats to the population's health. Chronic diseases represent seven of the top ten causes of mortality in the U.S. and are major economic drivers underlying burgeoning national health costs. People with disabilities experience dramatically higher rates of some chronic conditions, but only recently has this problem been recognized. We propose a set of...

in the current age, the importance of using knowledge as a tool for creativity and innovation at national level is considerable. furthermore, it would be taken into consideration as strategic need in the competition among different countries. hence in this paper, a new knowledge strategic management framework was developed with emphasizing on knowledge based innovation, upon up studying knowled...

environmental protection is a key element in urban management. due to complex relationships between human and environment in metropolises the importance of environment is ever-increasing. in this paper the current situation of environment in tehran metropolis including air, water, biodiversity and human habitat along with the most crucial threats, their effect as well as the associated agencies...