1results about How to "Reduce comparison" patented technology

The application discloses a vehicle information query method and device, equipment, a storage medium and a vehicle. The method comprises the following steps: receiving a subscription request sent by an electronic device, wherein the subscription request comprises a first string; comparing the strings of all nodes in a dictionary tree with the first string in the order from high to low of the levels in the dictionary tree until a first node is determined, wherein the string of the first node is the same as the first string; determining M absolute paths where the first node is located; deleting all nodes outside the M absolute paths to obtain a pruned tree; and sending target vehicle information included in the pruned tree to the electronic device. According to the embodiment of the application, the query speed of vehicle information can be significantly improved.