Full text retrieval type search enginesof AltaVista corporation. As a search service of world's largest scale popularity was gained on the nineties latter half.

With the Web sight whichthe DECcorporation starts in 1995beginning, position of the fixedturn sight was obtainedas first real full text retrieval services.

It became one business of the Compaq corporation, attendantuponthe DEC purchase by the Compaq Computer corporation 1998, but as a AltaVista corporation, it became independent in 1999 January in June of that year was purchased at the CMGI corporation. After that, in 2003 February it was purchased at the Overture Services corporation.