@article{XIA Tian1:34, author = {XIA Tian1,2}, title = {Deep directional collection of Web data}, publisher = {JOURNAL OF SHANDONG UNIVERSITY(NATURAL SCIENCE)}, year = {2011}, journal = {JOURNAL OF SHANDONG UNIVERSITY(NATURAL SCIENCE)}, volume = {46}, number = {5}, eid = {34}, numpages = {4}, pages = {34}, keywords = {

deep collection; directional web crawler; public web opinion

}, url = {http://lxbwk.njournal.sdu.edu.cn/EN/abstract/article_839.shtml}, doi = {} }