实现对聊天记录的分类，一共可分为学习、体育娱乐，并提取主题词
Achieve the classification of the chat, can be divided into a total learning, sports, entertainment, and extract keywords (2012-01-05, Perl, 320KB, 下载3次)
卡耐基梅隆大学以用户为中心的程序设计教程
主要是讲HE思想
Carnegie Mellon University to user-centric design tutorials mainly thinking stresses HE (2008-03-29, Perl, 989KB, 下载48次)