This paper introduces GLAM, a system based on situation calculus and meta-rules, which is able to provide adaptation by means of selection of actions. It is primarily designed to provide adaptive navigation. The different levels of conception, related to different aspects of the available metadata, are split in different layers in GLAM, in order to ease the conception of the adaptation system a...

We present first ideas on how results about qualitative spatial reasoning can be exploited in reasoning about action and change. Current work concentrates on a line segment based calculus, the dipole calculus and necessary extensions for representing navigational concepts like turn right. We investigate how its conceptual neighborhood structure can be applied in the situation calculus for reaso...

today, unemployment has become a major problem in national level as well as in yazd province. the presence of high unemployment has caused considerable amount of wastage of active human resources of the society which otherwise could have been used in various prosperous activities. as a result this situation may lead to poverty, corruption, unequal income distribution and other negative conseque...

We study the problem of how to optimize a cloud service provider’s pricing policy so as to better compete with other providers. Different from previous work, we take both the evolution of the market and the competition between multiple cloud providers into consideration while optimizing the pricing strategy for the provider. Inspired by the real situations in today’s cloud market, we consider a...

Abstract. Some obstacles create vulnerable situations in financial market. Overcome this unexpected situation, it is essential to reform the financial market by measuring the risk of share market. This project investigates the sensitivity of radial basis functions to construct different volatility surface by radial basis function approaches to understand the risk of share market. Different type...

The electricity market in Portugal was recently opened to all consumers. However, it remains highly concentrated in terms of control of production and supply and the long-term power purchase arrangements still coexist with free market. This paper discusses the electricity market restructuring process in Portugal, presenting its main marks over the past years and the present situation. The evolu...

Most of the international asset pricing models are developed in the second situation where purchasing power parity (PPP) is not respected.Investors of different countries do not agree on expected security returns. However, in this case, an equilibrium on the international assets market may exist but not on the international goods market. Our purpose in this paper is to give conditions under whi...

The article is devoted to the analysis of impact situation with land market in Ukraine on food Europe, followed by definition current state and prospects for development market. relevance this related fact that agro-industrial complex exerts an influence other countries, which due not only connections terms export products from our country, but also creation conditions production certain means ...

Most of the international asset pricing models are developed in the situation where purchasing power parity (PPP) is not respected.Investors of different countries do not agree on expected security returns. However, in this case, an equilibrium on the international assets market may exist but not on the international goods market. Our purpose in this paper is to give conditions under which we h...