7904 search results - page 316 / 1581 » Sequence Query Processing |
118
click to vote
DOLAP
2003
ACM
15 years 6 months ago
2003
ACM
Multidimensional aggregation queries constitute the single most important class of queries for data warehousing applications and decision support systems. The bottleneck in the ev...
100
Voted
SIGIR
2003
ACM
15 years 6 months ago
2003
ACM
Much attention has been paid to the relative effectiveness of interactive query expansion versus automatic query expansion. Although interactive query expansion has the potential ...
103
click to vote
ADC
2003
Springer
15 years 6 months ago
2003
Springer
Semistructured data, in particular XML, has emerged as one of the primary means for information exchange and content management. The power of XML allows authors to structure a doc...
130
click to vote
ICDT
2010
ACM
15 years 2 months ago
2010
ACM
When a query is evaluated under bag semantics, each answer is returned as many times as it has derivations. Bag semantics has long been recognized as important, especially when ag...
130
click to vote
CIDR
2007
15 years 2 months ago
2007
We present a “black-box” approach to estimating query cardinality that has no knowledge of query execution plans and data distribution, yet provides accurate estimates. It doe...