356 search results - page 2 / 72 » Robust and efficient algorithms for rank join evaluation |
VLDB
2004
ACM
14 years 5 months ago
2004
ACM
Ranking queries produce results that are ordered on some computed score. Typically, these queries involve joins, where users are usually interested only in the top-k join results....
SIGMOD
2003
ACM
14 years 5 months ago
2003
ACM
Object-oriented and object-relational DBMS support setvalued attributes, which are a natural and concise way to model complex information. However, there has been limited research...
PDIS
1994
IEEE
13 years 9 months ago
1994
IEEE
Many parallel join algorithms have been proposed so far but most of which are developed focused on minimizing the disk It0 and CPU costs. The communication cost, however, is also ...
ICDE
2009
IEEE
14 years 6 months ago
2009
IEEE
Mediator-based data integration systems resolve exploratory queries by joining data elements across sources. In the presence of uncertainties, such multiple expansions can quickly ...
EDBT
2008
ACM
14 years 4 months ago
2008
ACM
We introduce a novel spatial join operator, the ring-constrained join (RCJ). Given two sets P and Q of spatial points, the result of RCJ consists of pairs p, q (where p P, q Q) ...