MORALES, J. A. y 
MELGAR, H. A.(2017). 
Research on proposals and trends in the architectures of semantic search engines: A systematic literature review. En 
2017 FEDERATED CONFERENCE ON COMPUTER SCIENCE AND INFORMATION SYSTEMS (FEDCSIS). (pp. 271 - 280). PRAGA. IEEE, 345 E 47TH ST, NEW YORK, NY 10017 USA. Recuperado de: 
http://ieeexplore.ieee.org/abstract/document/8104552/