Optimizing nested queries is an intricate problem. It becomes even harder if in a nested query the linking predicate or the correlation predicate occurs disjunctively. We present ...
We consider the problem of using sampling to estimate the result of an aggregation operation over a subset-based SQL query, where a subquery is correlated to an outer query by a NO...
With the trend of cloud computing, data and computing are moved away from desktop and are instead provided as a service from the cloud. Data-as-a-service enables access to a wealth...
XML has emerged as the standard data exchange format for Internet-based business applications. This has created the need to publish existing business data, stored in relational da...
Jayavel Shanmugasundaram, Jerry Kiernan, Eugene J....