708 search results - page 23 / 142 » Optimizing SQL Queries over Text Databases |
SIGMOD
2010
ACM
14 years 10 days ago
2010
ACM
In this paper, we propose an online aggregation system called COSMOS (Continuous Sampling for Multiple queries in an Online aggregation System), to process multiple aggregate quer...
IDEAS
2009
IEEE
13 years 5 months ago
2009
IEEE
We consider the class of database programs and address the problem of minimizing the cost of their exchanges with the database server. This cost partly consists of query execution...
SIGMOD
2008
ACM
14 years 7 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...
SIGMOD
2002
ACM
14 years 7 months ago
2002
ACM
XML is quickly becoming the de facto standard for data exchange over the Internet. This is creating a new set of data management requirements involving XML, such as the need to st...
SSDBM
2009
IEEE
14 years 2 months ago
2009
IEEE
Scientific experiments produce large volumes of data represented as complex objects that describe independent events such as particle collisions. Scientific analyses can be express...