the hub location decision is a long term investment and any changes in it take considerable time and money. in real situations, some parameters are uncertain hence, deterministic models cannot be more efficient. the ability of two-stage stochastic programming is to make a long-term decision by considering effects of it in short term decisions simultaneously. in the two-stage stochastic programm...

Keywords: logit model, cross-nested model, GEV model, random utility, transportation demand Swiss Transport Research Conference – STRC 2003 – Monte Verita

Website Information Island leads to information partition between sites and customers, and holds back the improvement of website popularity. To solve this problem, the paper proposes website keywords seeding system based on internal and external SEO, and provides data structure, operation process and key algorithm inside model; According to external customers' high-frequency search terms and in...

A parser based on this model is being implemented as a component of a larger system, namely a natural language data base interface. There it will follow a component of morphological analysis (see JSppinen et al C83); hence, throughout the present paper it is assumed that all relevant morpho­ logical and lexical information is computationally available for all words in a sentence. Even though we...