353 search results - page 67 / 71 » Processing Top-k Join Queries |
SIGMOD
2007
ACM
14 years 8 months ago
2007
ACM
Commercial enterprise data warehouses are typically implemented on parallel databases due to the inherent scalability and performance limitation of a serial architecture. Queries ...
DEXA
1998
Springer
13 years 11 months ago
1998
Springer
Abstract. To achieve acceptable query response times in data warehouse environments, the data have to be pre-aggregated according to the need of the applications and stored redunda...
EDBT
2009
ACM
14 years 13 days ago
2009
ACM
Text corpora are often enhanced by additional metadata which relate real-world entities, with each document in which such entities are discussed. Such relationships are typically ...
SIGMOD
2006
ACM
14 years 8 months ago
2006
ACM
Exact computation for aggregate queries usually requires large amounts of memory ? constrained in data-streaming ? or communication ? constrained in distributed computation ? and ...
SIGMOD
2009
ACM
14 years 8 months ago
2009
ACM
Keyword search in relational databases (RDBs) has been extensively studied recently. A keyword search (or a keyword query) in RDBs is specified by a set of keywords to explore the...