We study Polling Systems (POLS) with both positive and negative customers, a direction not yet pursued in the literature on POLS. We analyze the Gated, Exhaustive and Globally-Gated service regimes and derive expressions for the Probability Generating Functions (PGFs) of the system’s states and for the Laplace-Stieltjes Transforms of the waiting times. Since the transforms depend on an unknown ...

in today's competitive markets, with orientation companies towards customer satisfaction, customer relationship management (crm) is more complicated. the main question is how to identify profitable and key customers of company. companies can segmenting their customers into different groups based on the specific criteria by identify and analyzing the characteristics of their behavior. these...

Kielikone MT stands for innovative machine translation R&D which has produced a theoretically and commercially successful MT product, the TranSmart® FinnishEnglish machine translation system. A prestigious jury indirectly praised also the theoretical quality of the system when it elected TranSmart the best Finnish software product of the year 1996. Hundreds of daily users in three major Finnish...

About half of Americans have limited confidence that their vote will be properly counted. These fears have focused attention on voting system reliability, security, and usability. Over the last decade, substantial research on voting systems has demonstrated that many systems are less usable and secure than they should be. Producing truly reliable voting systems demands more than just following ...

introduction: nowadays, organizations perform segmentation of their customers in order to maximize profits and minimize costs. however, in addition to segmentation, an optimal combination of the customers, i.e. the number of the customers or their percentage, is required to be specified in order to invest on development of products and services. in this study, by maximizing the customers’ satis...