Mobile computing gives a learner the ability to engage in learning activities when and where they wish. This may be formal learning, where the learner is a student enrolled on a course in an institution, or informal learning, where they may be engaged in activities such as a visit to an art gallery. This entry emphasises the importance of portals to this learning environment, using the MOBIlear...

In order to enhance whole body motion capabilities of humanoids or androids, we study the whole-body contact planning and motion generation problem which allows them taking supports by contacting any possible location on any of their parts, with any permissible location of their surrounding environment. Here, the environment is seen both as (i) a supporting mean, on which supporting motion cont...

This paper is targeted for input to the new OMG Agent Special Interest Group and describes a way how to integrate object mobility into a CORBA environment. The studies on which this paper is based are currently performed in the context of Mobile Agent Technology (MAT). However, since just the mobility aspect is handled (and not autonomy which is the only commonly agreed characteristic of a soft...

The electrochemical behavior of nifedipine (I), nitrendipine(II) and their photodegradation products has been studied by employing electrochemical techniques in chloroform and in 1:4 mixture of chloroform-isopropanol using piperidinium perchlorate (PPC) as supporting electrolyte. It has been shown that I and II undergo in a 4e, 4H+ irreversible reduction reaction, while the reduc...

Distributed programming is becoming commonplace, typically based on remote procedure call (RPC) and lightweight threads packages, possibly with an underlying distributed le service. In this article we argue that there are signiicant merits in providing an integrated distributed application environment, rather than merely augmenting one or more programming languages individually with an RPC pack...

Even if high-level query languages are used, query formulation may cause problems. This is notably so in case of large and complex application domains. Typical examples of these kinds of application domains are evolving application domains. In an evolving application domain not only populations may change, but also the conceptual schema. Even more, the history of the application domain should b...

Open system architectures and platforms are gaining ground in distributed computing very fast. Several architecture models and even metamodels are created to ensure interoperability between systems that declare themselves to be open. However, the transition from traditional closed systems on traditional platforms to the usage of new paradigms offered by the new models is difficult. In this pape...

This paper describes Knowledge Awareness (KA), a new concept for inducing collaboration in an open ended and collaborative learning environment. To enhance collaboration opportunities in this situation, KA provides information about the activities of the learners within the shared knowledge space. For instance, the messages are “someone is looking at the same knowledge that you are looking at,”...

Graph transformations are a powerful notation formally describing different aspects of modeled systems. Multiagent systems introduce distribution, parallelism and autonomous decision properties. In the paper a basic properties of the GRADIS agent’s framework, joining of both approaches, are discussed. This framework supports splitting the graph, describing a problem, onto a few partial graphs, ...