995 search results - page 166 / 199 » Optimization of Complex Nested Queries in Relational Databas... |
183
click to vote
VLDB
2007
ACM
16 years 2 months ago
2007
ACM
In this paper we argue that developing information extraction (IE) programs using Datalog with embedded procedural extraction predicates is a good way to proceed. First, compared ...
130
click to vote
BTW
2009
Springer
15 years 5 months ago
2009
Springer
: Very recently, Cao et al. presented the MAPLE approach, which accelerates queries with multiple instances of the same relation by sharing their scan operator. The principal idea ...
123
Voted
DKE
1999
15 years 1 months ago
1999
A Data Warehouse DW is a database that collects and stores data from multiple remote and heterogeneous information sources. When a query is posed, it is evaluated locally, without...
210
click to vote
ICDE
1998
IEEE
16 years 3 months ago
1998
IEEE
Discovery of functionaldependencies from relations has been identified as an important database analysis technique. In this paper, we present a new approach for finding functional...
117
Voted
EDBT
2006
ACM
16 years 1 months ago
2006
ACM
The need of processing graph reachability queries stems from many applications that manage complex data as graphs. The applications include transportation network, Internet traffic...