350 search results - page 10 / 70 » An optimization framework for map-reduce queries |
149
Voted
SIGIR
2010
ACM
14 years 7 months ago
2010
ACM
The size of the Web as well as user bases of search systems continue to grow exponentially. Consequently, providing subsecond query response times and high query throughput become...
121
click to vote
CIKM
2009
Springer
15 years 7 months ago
2009
Springer
RDF is a data model for representing labeled directed graphs, and it is used as an important building block of semantic web. Due to its flexibility and applicability, RDF has bee...
ICDE
2010
IEEE
15 years 7 months ago
2010
IEEE
—Many modern optimizers use a transformation rule based framework. While there has been a lot of work on identifying new transformation rules, there has been little work focused ...
95
Voted
SIGMOD
2004
ACM
16 years 16 days ago
2004
ACM
Ranking is an important property that needs to be fully supported by current relational query engines. Recently, several rank-join query operators have been proposed based on rank...
185
Voted
ICDE
2009
IEEE
16 years 2 months ago
2009
IEEE
Commercial database systems expose query hints to address situations in which the optimizer chooses a poor plan for a given query. However, current query hints are not flexible eno...