1168 search results - page 37 / 234 » Optimization strategies for complex queries |
DAGSTUHL
2000
13 years 11 months ago
2000
A strategy S solving a navigation task T is called competitive with ratio r if the cost of solving any instance t of T does not exceed r times the cost of solving t optimally. The ...
AMW
2009
13 years 11 months ago
2009
Conventional operators for data retrieval are either based on exact matching or on total order relationship among elements. Neither of them is appropriate to manage complex data, s...
VLDB
1992
ACM
14 years 2 months ago
1992
ACM
Research in temporal databases has mainly focused on defining temporal data models by extending existing models, and developing access structures for temporal data. Little has bee...
DPD
2002
13 years 10 months ago
2002
A major cost in executing queries in a distributed database system is the data transfer cost incurred in transferring relations (fragments) accessed by a query from different sites...
CIAC
2010
Springer
14 years 2 months ago
2010
Springer
The study of simple stochastic games (SSGs) was initiated by Condon for analyzing the computational power of randomized space-bounded alternating Turing machines. The game is play...