Data-cleaning tools will help scientists put an end to wasting time working as “glorified data janitors.”: Trifacta, a startup that specializes in cleaning corporate data so it can be analyzed, has raised $100 million in funding, underscoring current investor appetite for data-crunching startups amid the artificial intelligence boom. New Trifacta investors who were part of the funding round include Telstra Ventures, Energy Impact Partners, Japanese mobile operator NTT Docomo, BMW i Ventures, and Dutch bank ABN AMRO.