我有一些代表几个城市位置的三元组。我希望能够发出一个Prolog查询,比如(q- ?x !exns:geolocation ?locx)(geo-distance ?locx ?locy ?dist))Server returned 400: attempt to call '#:geo-distance/3' which is an undefined function.
我想了解如何使用像geo-distance这样的地理空间推理方法(
我无法将allegrograph插件添加到topbraid composer,得到的错误消息为Cannot complete the install because one or more4.0.6.201212041354 (com.franz.agraph.feature.feature.group 4.0.6.201212041354) To: