In this paper, we study the processing of top-k spatial preference queries in road networks. A
top-k spatial preference query retrieves a ranked list of the k best data objects based on the …

Top-k spatial preference queries rank objects based on the score of feature objects in their
spatial neighborhood. Top-k preference queries are crucial for a wide range of location …

Analytic function, also called window function, is to query the aggregation of data over a
sliding window. For example, a simple query over the online stock platform is to return the …

Skyline queries may be used to filter interesting data from a broad range of data. A Skyline
query selects those data that are the best according to multiple user-defined criteria. A …