搜索英文论文的网站
http://citeseer.ist.psu.edu/
http://dblp.uni-trier.de/
http://www.computer.org/portal/site/ieeecs/index.jsp
http://smealsearch2.psu.edu/index.html/
http://portal.acm.org/portal.cfm
http://www.vldb.org/