Portugal-based language processing platform Unbabel raised $5m on Monday in a round co-led by Caixa Capital, the venture capital arm of bank La Caixa, and Notion Capital that featured existing investors including Faber Ventures and Schilling Capital Partners. The round took Unbabel’s overall funding to $8m and follows $1.5m in seed capital from internet company Digital Garage and various angel investors in July 2014, and an undisclosed sum from enterprise software provider Workday a year later.

AirPR, a…