information extraction很好的综述，而且是08年写的，比较新

软件开发成本估计方法 书Software development cost estimation approaches – A survey Barry Boehma, Chris Abts a and Sunita Chulani b a University of Southern California, Los Angeles, CA 90089-0781, USA b IBM Research, 650 Harry Road, San Jose, CA 95120, USA E-mai