492 search results - page 17 / 99 » Computing aggregations in database query languages |
SIGMOD
2010
ACM
14 years 3 months ago
2010
ACM
MapReduce is a popular framework for data-intensive distributed computing of batch jobs. To simplify fault tolerance, the output of each MapReduce task and job is materialized to ...
VLDB
2007
ACM
14 years 11 months ago
2007
ACM
As more sensitive data is captured in electronic form, security becomes more and more important. Data encryption is the main technique for achieving security. While in the past en...
ADC
2007
Springer
14 years 5 months ago
2007
Springer
Structured Query Language (SQL) is the dominant language for querying relational databases today, and is an essential topic in introductory database courses in higher education. E...
CSB
2005
IEEE
14 years 4 months ago
2005
IEEE
With the rapid growth of biomedical research databases, opportunities for scientific inquiry have expanded quickly and led to a demand for computational methods that can extract b...
ICEBE
2005
IEEE
14 years 4 months ago
2005
IEEE
Over a traditional Database Management System (DBMS), the answer to an aggregate query is usually much smaller than the answer to a similar nonaggregate query. Therefore, we call ...