Very basic class for QueryEngines defining the interface
It should not be used directly, but is used to check either we are working with QueryEngine instances
Methods
| query(**kwargs) | Return feature ids of neighbors given a specific query |
| query_byid(fid) | Return feature ids of neighbors for a given feature id |
| train(dataset) |
Return feature ids of neighbors given a specific query
Return feature ids of neighbors for a given feature id