This paper proposes a framework toconstruct a knowledge base by usingcrowdsourcing approach. The various inputshave been asserted into database interactively bycrowd of people via internet. The support oftravel information system which includes domainontology representing linked data betweentourist destinations and its attractions, availablehotels, transportation, food and others is anexample scenario. When a user who does notknow about Myanmar searches a local touristdestination, the system retrieves related linkeddata. Otherwise, users can contributeinformation if they found out some data ismissing, incomplete or not reliable. Theproposed system collects information frompeople who are from different professionals torefine the ontology. The system is intended tointroduce a method constructing the domainontology as well as to promote the Myanmartourism industry and contribute the socioeconomic development of the nation