Scheduled System Maintenance:
On May 6th, single article purchases and IEEE account management will be unavailable from 8:00 AM - 5:00 PM ET (12:00 - 21:00 UTC). We apologize for the inconvenience.
By Topic

Uncertainty-aware QoS Description and Selection Model for Web Services

Sign In

Cookies must be enabled to login.After enabling cookies , please use refresh or reload or ctrl+f5 on the browser for the login options.

The purchase and pricing options are temporarily unavailable. Please try again later.
2 Author(s)
Cheng Wan ; Nanjing Med. Univ., Nanjing ; Hongbing Wang

Over the last couple of year, the expansion of Web services has grown drastically. In practical applications, many uncertain attributes of Web service change as the complexity of the Web evolves and influence the QoS (quality of service). However, existing matchmaking models and algorithms do not take the uncertain attributes into account, which leads to inaccurately matched results. This paper presents an uncertainty-aware QoS match-making model, UQoSMM, which describes the uncertainty of QoS attributes under different conditions. This paper also proposes a QoS decision making model based on the non-parameter-test, NPTQOS. The decision making model includes a QoS stability comparison algorithm according to the history values of QoS attributes. A prototype has been designed to realize the uncertain attribute-based Web service selection.

Published in:

Services Computing, 2007. SCC 2007. IEEE International Conference on

Date of Conference:

9-13 July 2007