1000 search results - page 74 / 200 » Provenance for Aggregate Queries |
JCDL
2005
ACM
14 years 4 months ago
2005
ACM
As an increasing number of digital library projects embrace the harvesting of item-level descriptive metadata, issues of description granularity and concerns about potential loss ...
SPE
2008
13 years 11 months ago
2008
: Integration of multiple data sources is becoming increasingly important for enterprises that cooperate closely with their partners for e-commerce. OLAP enables analysts and decis...
JAPLL
2008
13 years 11 months ago
2008
We introduce a general framework for reasoning with prioritized propositional data by aggregation of distance functions. Our formalism is based on a possible world semantics, wher...
CIKM
2009
Springer
14 years 5 months ago
2009
Springer
Well-designed indices can dramatically improve query performance. Including query workload information can produce indices that yield better overall throughput while balancing the...
ICDE
2003
IEEE
15 years 14 days ago
2003
IEEE
Semantic caches, originally proposed for client-server database systems, are being recently deployed to accelerate the serving of dynamic web content by transparently caching data...