Assertion: search engine's index | /r/Synonym | wandex
Facets:
Source sentences:
text: In June 1993, Matthew Gray, then at MIT, produced what was probably the first web robot, the Perl-based World Wide Web Wanderer, and used it to generate an index called "Wandex".
text: It was created by Matthew Gray to generate an index called Wandex, which was essentially a measure of the size of the web.