Dlugolinsky, S., M. Seleng, M. Laclavik, and L. Hluchy. “DISTRIBUTED WEB-SCALE INFRASTRUCTURE FOR CRAWLING, INDEXING AND SEARCH WITH SEMANTIC SUPPORT”. Computer Science, vol. 13, no. 4, Dec. 2012, p. 5, doi:10.7494/csci.2012.13.4.5.