Kovacevic Milos A,Davidson Colin H (2008) Crawling the construction web - A machine-learning approach without negative examples, APPLIED ARTIFICIAL INTELLIGENCE, vol. 22, br. 5, str. 459-482 (Article) Kovacevic Milos A,Nie Jian-Yun,Davidson Colin H (2008) Providing answers to questions from automatically collected web pages for intelligent decision making in the construction sector, JOURNAL OF COMPUTING IN CIVIL ENGINEERING, vol. 22, br. 1, str. 3-13 (Article)