With the rapid development and popularization of Web services, online privacy has become a rising concern. In order to prevent service providers from abusing private information of service requesters, service providers are required to publish their privacy policies. If a service provider’s privacy policy is not consistent with a service requester’s privacy preference, the provider and the reque...

~Ve consider the problem of user agents selecting service providers to process tasks. We assume that service providers are drawn from two populations: high and low-performing service providers with different averages but similar variance in performance. For selecting a service provider an user agent queries other user agents for their high/low rating of different service providers. We assume th...

Introduction: Health care providers play a central role as the main members of the health care service providers team for the elderly and their knowledge and attitudes towards the aging phenomenon can play an important role in the quality of health care services provision for the elderly. Therefore, the present study aims to comparatively investigate knowledge and attitude of health care provid...

Service discovery studies in vehicular networks that guarantee QoS requirements to service requesters are very important. To the best of authors’ knowledge, none of the existing service discovery protocols in vehicular networks have been provided in the literature that guarantee QoS to service requesters and to the vehicular network. For efficient service discovery in vehicular networks, it is ...