We introduce an actor language following a “process algebra” style. The idea is to define a formalism that enjoys a clean formal definition allowing the reuse of the rich algebraic theory typical of the process algebras in a context where an high level object oriented programming style is preserved. We provide an operational semantics based on a labelled transition system which allows to discus...

Programmers often code up asynchronous message-passing systems as communicating finite-state actors. An actor in some state listens for messages, responds to those messages, and transitions to another state. Most of these systems allow messages to carry actor addresses. This paper presents a kernel language for implementing and specifying such systems. A specification consists of finite-state m...

Product innovation success has very much to do with the development of models ormetaphors that are able to guide actors. One can observe two traditions in thisregard: rational and non-rational models. Apparently in the former the model, suchas “development funnel”, is regarded as a mechanism and rigid applicable, picturinginnovation as an orderly, goal-oriented, value-neutral, and systematic pr...

The aim of the study was to determine the biomass, abundance and species composition ofweeds, as well as macroelement uptake in potato weeded using mechanical, mechanical–chemical and mechanical control combined with the sowing of living mulches of white mustard,common vetch, Persian clover and tansy phacelia. Abundance and biomass of the weeds was themost effectively limited by the mechanical ...

local planning is a basic principle as well as a major part of comprehensive rural development in which main emphasis is placed on local initiatives to make human interactions more active and dynamic. in local planning, all parties including local people, governmental bodies and ngos interact to fulfill the basic goals of community development. one may find good examples of local planning exper...

This paper describes an interdisciplinary experiment in controlling semi-autonomous animated human forms with natural language input. These computer-generated characters resemble traditional stage actors, in that they are more autonomous than traditional hand-guided animated characters, and less autonomous than fully improvisational agents. We introduce the desktop tkeatev metaphor, reserving f...

in large regions of the world, biomass is a very important source of energy. the global bioenergy market based on forest biomass is growing rapidly. about 92 % of the bioenergy in sweden comes from forests. biomass from forests is not homogenous. the locations, transport distances, and transport methods, can differ very much and the industries that need biomass as input prefer raw materials wit...