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I would guess that Tivra is simply another research project.
"WHIRL is a system that's designed to integrate information from various places on the Web. Rather than exploring a number of sites to get the information you want, WHIRL enables you to simultaneously query a number of related sites using a database-like interface. Technically, the main innovation in WHIRL is a new sort of "soft" database system, which uses text-matching methods developed in information retrieval to approximately match names."
Interesting in that the "tivra" name is trademarked.
[dialogic.com...]
The Tivra Interactive Information Response platform enables remote users to enter information into, and/or retrieve information from, a database through common interfaces such as touch-tone or rotary telephones, faxes, and ADSI screen phones.