EFFICIENT CLUE-BASED ROUTE SEARCH ON ROAD NETWORKS

EFFICIENT CLUE-BASED ROUTE SEARCH ON ROAD NETWORKS   ABSTRACT With the advances in geo-positioning technologies and location-based services, it is nowadays quite common for roadnetworks to have textual contents on the vertices. Previous work on identifying an optimal...

EXPLAINING MISSING ANSWERS TO TOP-K SQL QUERIES

EXPLAINING MISSING ANSWERS TO TOP-K SQL QUERIES   ABSTRACT Due to the fact that existing database systems are increasingly more difficult to use, improving the quality and the usabilityof database systems has gained tremendous momentum over the last few years. In...