The Cascalog system has combined the Cascading system for abstraction of advanced data processing on Hadoop and other systems, the Datalog declarative programming language that is well suited for expressing database queries in an abstract form, and the Clojure language to create a declarative language for queries that can be run on Apache Hadoop.
By the nineteenth century, the dream of constructing a philosophical language capable of expressing universal truths had given way to the equally ambitious desire to unite the world through a single, easy-to-learn, politically neutral, auxiliary language.