3359 search results - page 631 / 672 » A Simplified Idea Algorithm |
SIGMOD
2009
ACM
14 years 8 months ago
2009
ACM
Keyword search in relational databases (RDBs) has been extensively studied recently. A keyword search (or a keyword query) in RDBs is specified by a set of keywords to explore the...
SIGMOD
2009
ACM
14 years 8 months ago
2009
ACM
Column-oriented database systems [19, 23] perform better than traditional row-oriented database systems on analytical workloads such as those found in decision support and busines...
SIGMOD
2009
ACM
14 years 8 months ago
2009
ACM
Reachability queries on large directed graphs have attracted much attention recently. The existing work either uses spanning structures, such as chains or trees, to compress the c...
SIGMOD
2007
ACM
14 years 7 months ago
2007
ACM
Commercial enterprise data warehouses are typically implemented on parallel databases due to the inherent scalability and performance limitation of a serial architecture. Queries ...
SIGMOD
2003
ACM
14 years 7 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...