3057 search results - page 432 / 612 » Complexity management |
214
Voted
SIGMOD
2007
ACM
16 years 3 months ago
2007
ACM
The family of threshold algorithm (i.e., TA) has been widely studied for efficiently computing top-k queries. TA uses a sort-merge framework that assumes data lists are pre-sorted...
204
Voted
SIGMOD
2007
ACM
16 years 3 months ago
2007
ACM
Good cardinality estimates are critical for generating good execution plans during query optimization. Complex predicates, correlations between columns, and user-defined functions...
225
Voted
SIGMOD
2005
ACM
16 years 3 months ago
2005
ACM
We describe an approach for pipelining nested data collections in scientific workflows. Our approach logically delimits arbitrarily nested collections of data tokens using special...
159
Voted
SIGMOD
2004
ACM
16 years 3 months ago
2004
ACM
We are inevitably moving into a realm where small and inexpensive wireless devices would be seamlessly embedded in the physical world and form a wireless sensor network in order t...
125
Voted
PODS
2007
ACM
16 years 3 months ago
2007
ACM
The pebble tree automaton and the pebble tree transducer are enhanced by additionally allowing an unbounded number of `invisible' pebbles (as opposed to the usual `visible�...