Jinglei Ren's repositories
Quatrain-MapReduce
Modifications to Hadoop Online Prototype (HOP: http://code.google.com/p/hop) as an application of Quatrain.
Couplet
A series of compilers engineered under the object-oriented perspective with high extensibility. The previous part of this project has been adopted into the book "Object-Oriented Design and Development of the C0 Interpreter (C++ Edition)" published by Tsinghua University Press.