Developers of web-mining technologies and their users need to rethink data quality and the trustworthiness of sources when using online information for decision-making.

Information engineers in India and Japan have been working on a way for software to distinguish between personal web pages and commercial pages they say are designed to fool consumers.

Three months after the launch of its its supercomputer-scale hosted data mining service, startup 80legs has made a limited version of it available without charge.