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This web page had the following in the web page, "Currently, our main research topic is asynchronous VLSI." We saw that the web page stated " A digital circuit is called asynchronous when it doesnt use a clock, and therefore such circuits lend themselves perfectly to a high-level synthesis approach." It also said " We believe that the complexity and brittleness of todays VLSI systems requires new design methods based on asynchronous techniques, concurrency, high-level synthesis, and verification." The header had computer science as the highest ranking optimized keyword. It is followed by VLSI, asynchronous, and self-timed which isn't as ranked as highly as computer science. The next words async.caltech.edu uses is clockless. QDI was included and could not be understood by search engines.