Mobile location-based recommender: An advertisement case study

Mobile devices, including cell phones, capable of geo-positioning (or localization) are paving the way for new computer assisted systems called mobile location-based recommenders (MLBRs). MLBRs are systems that combine information on user's location with information about user's interests and requests to provide recommendations that are based on "location". MLBR applications are numerous and emerging. One MLBR application is in advertisement where stores announce their coupons and users try to find the coupons of their interests nearby their locations through their cell phones. This chapter discusses the concept and characteristics of MLBRs and presents the architecture and components of a MLBR for advertisement. © 2011, IGI Global

PHYSICS DESIGN OF CYCIAE-70 EXTRACTION AND BEAMLINE SYSTEM

A driver with beam power of 50KW (70 MeV, 0.75 mA)<br />based on compact H-/D- cyclotron, CYCIAE-70, has been<br />designed at CIAE in Beijing for the RIB production and<br />application in the nuclear medicine recently. CYCIAE-70<br />is designed to be a dual particle cyclotron and it is able to<br />deliver proton with energy in the range 35~70 MeV and<br />deuteron beam with energy in a range of about 18~33<br />MeV. About 700&mu;A for H+ and 40&mu;A for D+ will be<br />extracted in dual opposite directions by charge exchange<br />stripping devices and the extraction beam energy is<br />continuously adjustable. The physics design of CYCIAE-<br />70 stripping system has been done and the optics<br />calculation for the extraction proton and deuteron beam<br />has been finished. The dispersion effects for the extracted<br />beam are analyzed and the beam parameters after<br />extraction are calculated. 6 beam transport lines and<br />experiment target stations are designed for different<br />applications. A wobbling magnet is used in one of the<br />beam transport lines, which will rotate the beam to form a<br />beam spot on the target with a size of Ф40mm and<br />uniformity of better than 95%.IMP;Chinese Academy of Science