Information providers on the Web have different levels of knowledge, different views of the world and different intensions. Thus, provided information may be wrong, biased, inconsistent or outdated. Before information from the Web is used to accomplish a specific task, its quality should be assessed according to task-specific criteria. The WIQA - Information Quality Assessment Framework is a set of software components that empowers information consumers to employ a wide range of different information quality assessment policies to filter information from the Web.
error codes are values that identify different types of errors in the Windows API. Most functions do not report the error code directly; instead, they simply return a flag specifying if some error occured or not.
This page list codes for accented letters and other characters. In order to use these codes, your computer should have a separate numeric keypad on the right.
M. Sanderson. Proceedings of the 17th annual international ACM SIGIR conference on Research and development in information retrieval, стр. 142--151. New York, NY, USA, Springer-Verlag New York, Inc., (1994)