iii Abstract The progresses in the fields of mobile Internet and positioning methods have lead to a plethora of new possibilities for cartography in mobile usage environments. However, principles of web mapping cannot simply be transferred to the mobile environment. Likewise the availability of Location Based Services (LBS) has made it possible to develop mobile map services, yet LBS themselves...

Recent advances in mobile computing have spawned a very heterogeneous environment of mobile devices. Those devices have different capabilities in providing mobile services to the user, implying the challenge of considering heterogeneous devices during mobile service development. This especially encompasses the task of adapting the content, which a mobile service provides to a specific mobile de...

Web services have been widely accepted as a platform independent services-oriented technology. Meanwhile, ubiquitous technologies are becoming popular in a variety of domain applications. In particular, hosting web services from mobile devices became a way to extend knowledge exchange and share. This paper presents our design and implementation of a mobile web service (MWS) middleware motivated...

Mobile Grid Service is the extension of Grid Service. It is defined as: it is an intelligent code service wandering in grid nodes to accomplish certain task and provide certain service. Mobile Grid Service provides a series of standard interfaces and conforms specific conventions to solve such problems as: mobile service discovery, dynamic service creation, lifetime management, notification, mo...

Web services are an important way for enterprises to interoperate. They are also becoming important for user access to services that depend on location and they are appearing in mobile devices. We consider the security standards needed for the use of web services in wireless networks. Web services security standards are used for the secure design of the communications between a web service and ...

The most expedient and prevalent devices in today’s world are mobile devices. The web services approach is proficient enough to work with the assorted nature of the mobile environment. However, the diversity in the mobile devices challenges the development of the web services which work on these environments. Existing discovery approaches lack adequate techniques that can incorporate the user p...

Mobile Geographical Information System (Mobile GIS) is a Geographical Information System based on mobile computing and mobile Internet. It is not a conventional GIS modified to operate on a smaller computer, but an extension of Web GIS to mobile Internet including wireless Internet/Intranet and mobile communication network. But architectures of Web GIS are unsuitable for Mobile GIS, because of ...

This article presents a framework which enables end users to create small, sharply focused mobile services directly on a mobile device. By this, end users are no longer only consumers of mobile services – they also become producers and providers of mobile services. The domain of mobile health and fitness applications has been chosen to demonstrate the feasibility of the approach. The article pr...

One of the current trends of mobile computing are location-based services. For those services and many other applications like navigation systems it is often necessary to know what portion of the client‟s environment is visible from the current location. For this purpose analyses of three-dimensional elevation data are necessary, which are increasingly acquired by airborne laser scanning. 3D an...