Location-Based Services and Privacy Protection under Mobile Cloud Computing

Location-based services can provide personalized services based on location information of moving objects and have already been widely used in public safety services, transportation, entertainment and many other areas. With the rapid development of mobile communication technology and popularization of intelligent terminals, there will be great commercial prospects to provide location-based services under mobile cloud computing environment. However, the high adhesion degree of mobile terminals to users not only brings facility but also results in the risk of privacy leak. The paper introduced the necessities and advantages to provide location-based services under mobile cloud computing environment, stressed the importance to protect location privacy in LBS services, pointed out new security risks brought by mobile cloud computing, and proposed a new framework and implementation method of LBS service. The cloud-based LBS system proposed in this paper is able to achieve privacy protection from the confidentiality of outsourced data and integrity of service results, and can be used as a reference while developing LBS system under mobile cloud computing environment

An (MI)LP-based Primal Heuristic for 3-Architecture Connected Facility Location in Urban Access Network Design

We investigate the 3-architecture Connected Facility Location Problem arising in the design of urban telecommunication access networks. We propose an original optimization model for the problem that includes additional variables and constraints to take into account wireless signal coverage. Since the problem can prove challenging even for modern state-of-the art optimization solvers, we propose to solve it by an original primal heuristic which combines a probabilistic fixing procedure, guided by peculiar Linear Programming relaxations, with an exact MIP heuristic, based on a very large neighborhood search. Computational experiments on a set of realistic instances show that our heuristic can find solutions associated with much lower optimality gaps than a state-of-the-art solver.Comment: This is the authors' final version of the paper published in: Squillero G., Burelli P. (eds), EvoApplications 2016: Applications of Evolutionary Computation, LNCS 9597, pp. 283-298, 2016. DOI: 10.1007/978-3-319-31204-0_19. The final publication is available at Springer via http://dx.doi.org/10.1007/978-3-319-31204-0_1

Targeted LGBT Senior Housing: A Study of the Needs and Perceptions of LGBT Seniors in Chicago

Although lesbian gay bisexual and transgendered (LGBT) seniors face issues similar to their heterosexual counterparts such as declining health, dwindling finances, depression, social isolation, and ageism, they also face unique issues such as discrimination based on sexual orientation, and are at an even greater risk for health problems such as depression, substance abuse, and even suicide. Therefore LGBT seniors require support services specifically designed to meet their unique needs. The housing needs of LGBT seniors are one such area that must be addressed as more LGBT persons enter their advanced years

Journals, Journals Everywhere and Not a Shelf to Spare

Objective: Identify storage and shelving options for the growing print journal collection. Options could include additional shelving in the library, offsite storage, and improvements to the current library remote storage location. Cost, space, and potential impact on patrons and library staff should all be identified. One option will be chosen, and an implementation plan developed and executed. Methods:A project team worked to identify the extent of the shelving crisis. Inventorying, estimating, and extrapolating were the primary tools used to determine that the library would run out of space in the main journal collection in early 2004. An offsite storage facility was identified for library use and all costs associated with transforming the space into a viable storage solution were identified. The team also evaluated the current shelving layout in the library and developed a plan to add additional shelving in stages. Finally, the costs associated with improving and maximizing the library’s current remote storage location were calculated. This included improved safety, cleaning, painting, and compact shelving. The costs and service ramifications of each solution were compared, along with logistics of moving and merging a portion of the collection. Results:After careful evaluation, library management determined that improving the current remote storage was cost effective and provided the best option for access and service. Working from our data, we calculated the number of volumes that the storage facility would hold. The project was divided into three phases. The first phase included physically preparing the storage space, installing a third of the compact shelving, writing, and testing move/merge procedures, as well as hiring temporary employees to complete the actual merge. Phases two and three called for additional compact shelving to be installed. Conclusion:Moving and merging of a collection requires careful plan¬ning, detailed data analysis, and hard physical work. Ideally, you will only do this once. In our case, we knew this option would only be a temporary solution to our space crisis that will take us through the year 2012, at which time we hope to have a new library building with com¬pact shelving throughout. Presented at the Medical Library Association Annual Meeting, San Antonio, TX, May 17, 2005

Devising a Corporate Facility Location Strategy to Maximize Shareholder Wealth

Location decisions should consider all related impacts upon a firm’s shareholder wealth. Overall, firm cost savings available at alternative locations need to be carefully examined in addition to a location’s impact on corporate sales revenues. This article reviews relevant literature, discusses recent location decision considerations for several companies and empirically tests a model seeking to measure the impact corporate relocation decisions have upon shareholder wealth. In addition, a classification and listing of corporate location considerations is put forth to supplement the anecdotal illustrations discussed herein. Together these represent a "primer" for professionals and executives involved in corporate facility location decisions.