Top-k pairs and top-k objects requests have to get significant notice by the research group. The framework handles several top-k pairs and top-k object queries. It allowed to uses a different gaining window. The authors use different types of k and a different size of sliding windows. Also the framework to allow the users to allows the users explain arbitrarily complex gaining functions and supports out of the data streams. To all the queries that use the same scoring functions. They need to maintain only one k skyband.