A cyberspace labor union set up two years ago to settle disputes via the Internet is expected to play a major role in the future as working conditions continue to diversify.

The Japan Union, inaugurated in Tokyo's Katsushika Ward in July 1999, began canvassing for members by posting rules and guidance for membership on its Web site.

Soon afterward, e-mail and telephone calls from disgruntled workers seeking mediation in labor disputes began flowing in.