1000 search results - page 90 / 200 » Provenance for Aggregate Queries |
VLDB
1994
ACM
14 years 2 months ago
1994
ACM
A new type of optimization, called predicate move-around, ia introduced. It is shown how this optimization `considerably improvea the efficiency of evaluating SQL queries that hav...
ICDE
2011
IEEE
13 years 1 months ago
2011
IEEE
—Complex SQL queries are widely used today, but it is rather difficult to check if a complex query has been written correctly. Formal verification based on comparing a specifi...
IPPS
2008
IEEE
14 years 4 months ago
2008
IEEE
Peer-to-Peer (P2P) networks have proven to be an efficient and successful mechanism for file sharing over the Internet. However, current P2P protocols have long worst case query...
WSDM
2009
ACM
14 years 4 months ago
2009
ACM
Aggregated search refers to the integration of content from specialized corpora or verticals into web search results. Aggregation improves search when the user has vertical intent...
CJ
2010
13 years 10 months ago
2010
Abstract. Motivated by research on how topology may be a helpful foundation for building information modeling (BIM), a relational database version of the notions of chain complex a...