ACM/ICPC比赛是国际大学生程序设计竞赛，是计算机相关专业最有价值的比赛之一。国内的ACMer通常都在Online Judge上进行联系，北大的Peking University Online Judge是最受大家欢迎的OJ之一，该帮助文件收集了2009年北大OJ上所有的题目，并进行了索引。可以进行索引查找和全文搜索。
ACM/ICPC比赛是国际大学生程序设计竞赛，是计算机相关专业最有价值的比赛之一。国内的ACMer通常都在Online Judge上进行联系，北大的Peking University Online Judge是最受大家欢迎的OJ之一，该帮助文件收集了2009年北大OJ上所有的题目，并进行了索引。可以进行索引查找和全文搜索。
Studying Malicious Websites and the Underground Economy on the Chinese Web Jianwei Zhuge1, Thorsten Holz2, Chengyu Song1, Jinpeng Guo1, Xinhui Han1, and Wei Zou1 1 Peking University 2University of Mannheim Institute of Computer Science Laboratory fo
TSE(Tiny Search Engine) ======================= (Temporary) Web home: http://162.105.80.44/~yhf/Realcourse/ TSE is free utility for non-interactive download of files from the Web. It supports HTTP. According to query word or url, it retrieve results
Problem Set is the place where you can find large amount of problems from different programming contests.Online Judge System allows you to test your solution for every problem. First of all, read carefully Frequently Asked Questions. Then, choose a
Tokenization of raw text is a standard pre-processing step for many NLP tasks. For English, tokenization usually involves punctuation splitting and separation of some affixes like possessives. Other languages require more extensive token pre-process
