Now showing items 1-2 of 2
Adaptive join operator for federated queries over linked data endpoints
Traditional static query optimization is not adequate for query federation over linked data endpoints due to unpredictable data arrival rates and missing statistics. In this paper, we propose an adaptive join operator for ...
Extended adaptive join operator with bind-bloom join for federated SPARQL queries
(IGI Global, 2017-09)
The goal of query optimization in query federation over linked data is to minimize the response time and the completion time. Communication time has the highest impact on them both. Static query optimization can end up ...