{"db_type":"WWJDREF","db_name":"国际期刊","reference_articles":[{"patent_date":"2011-05-03","unit":"Industrial Robot: An International Journal","flag":"[J]","issue":"3","year":2011,"author":"Jiajun Gu;Qixin Cao","index":1,"title":"Path planning for mobile robot in a 2.5-dimensional grid-based map"},{"patent_date":"2009-08-21","unit":"Industrial Robot: An International Journal","flag":"[J]","issue":"5","year":2009,"author":"Jiajun Gu;Qixin Cao","index":2,"title":"Path planning using hybrid grid representation on rough terrain"},{"patent_date":"1959-12-15","unit":"Numerische Mathematik","flag":"[J]","issue":"1","year":1959,"author":"E. W. Dijkstra","index":3,"title":"A note on two problems in connexion with graphs."}],"articles_count":3}