7580 search results - page 1430 / 1516 » Prometheus design tool |
240
click to vote
SIGMOD
2009
ACM
16 years 4 months ago
2009
ACM
Research has investigated mappings among data sources under two perspectives. On one side, there are studies of practical tools for schema mapping generation; these focus on algor...
242
click to vote
SIGMOD
2009
ACM
16 years 4 months ago
2009
ACM
Ranking queries are essential tools to process large amounts of probabilistic data that encode exponentially many possible deterministic instances. In many applications where unce...
214
click to vote
SIGMOD
2008
ACM
16 years 4 months ago
2008
ACM
Today's enterprise databases are large and complex, often relating hundreds of entities. Enabling ordinary users to query such databases and derive value from them has been o...
259
click to vote
SIGMOD
2006
ACM
16 years 4 months ago
2006
ACM
Data stream applications have made use of statistical summaries to reason about the data using nonparametric tools such as histograms, heavy hitters, and join sizes. However, rela...
145
click to vote
SIGMOD
2003
ACM
16 years 4 months ago
2003
ACM
A query optimizer compares alternative plans in its search space to find the best plan for a given query. Depending on the search space and the enumeration algorithm, optimizers v...