1000 search results - page 84 / 200 » Provenance for Aggregate Queries |
ATAL
2007
Springer
14 years 4 months ago
2007
Springer
Voting is a general method for aggregating the preferences of multiple agents. Each agent ranks all the possible alternatives, and based on this, an aggregate ranking of the alter...
ICADL
2003
Springer
14 years 3 months ago
2003
Springer
This paper proposes an efficient client-server-based query translation approach to allowing more feasible implementation of cross-language information retrieval (CLIR) services in ...
SIGMOD
2005
ACM
14 years 10 months ago
2005
ACM
Database query languages can be intimidating to the nonexpert, leading to the immense recent popularity for keyword based search in spite of its significant limitations. The holy ...
ICDT
2010
ACM
14 years 3 days 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...
CIDR
2007
13 years 11 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...