750 search results - page 81 / 150 » Aggregates in Possibilistic Databases |
IDEAS
2006
IEEE
14 years 4 months ago
2006
IEEE
Unlike numerical preferences, preferences on attribute values do not show an inherent total order, but skyline computation has to rely on partial orderings explicitly stated by th...
VLDB
2005
ACM
14 years 3 months ago
2005
ACM
Emerging large-scale monitoring applications require continuous tracking of complex dataanalysis queries over collections of physicallydistributed streams. Effective solutions hav...
VLDB
2004
ACM
14 years 3 months ago
2004
ACM
Advances in data acquisition and sensor technologies are leading towards the development of “High Fan-in” architectures: widely distributed systems whose edges consist of nume...
MIG
2009
Springer
14 years 2 months ago
2009
Springer
There are various techniques for simulating crowds, however, in most cases the quality of the simulation is measured by examining its “look-and-feel”. Even if the aggregate mov...
SIGMOD
2000
ACM
14 years 2 months ago
2000
ACM
We investigate the problem of using materialized views to answer SQL queries. We focus on modern decision-support queries, which involve joins, arithmetic operations and other (po...