Sciweavers

68 search results - page 4 / 14
» Approaching the Skyline in Z Order
Sort
View
IJCSA
2008
108views more  IJCSA 2008»
13 years 9 months ago
Consistency Check Algorithms for Multi-Dimensional Preference Trade-Offs
: Skyline Queries have recently received a lot of attention due to their intuitive query capabilities. Following the concept of Pareto optimality all `best' database objects a...
Christoph Lofi, Wolf-Tilo Balke, Ulrich Güntz...
MIS
2004
Springer
162views Multimedia» more  MIS 2004»
14 years 3 months ago
Integrating the Results of Multimedia Sub-Queries Using Qualitative Preferences
When similarity queries over multimedia databases are processed by splitting the overall query condition into a set of sub-queries, the problem of how to efficiently and effectiv...
Ilaria Bartolini, Paolo Ciaccia, Vincent Oria, M. ...
MTA
2007
141views more  MTA 2007»
13 years 9 months ago
Flexible integration of multimedia sub-queries with qualitative preferences
Complex multimedia queries, aiming to retrieve from large databases those objects that best match the query specification, are usually processed by splitting them into a set of m ...
Ilaria Bartolini, Paolo Ciaccia, Vincent Oria, M. ...
COMPUTING
2007
108views more  COMPUTING 2007»
13 years 9 months ago
Accurate evaluation of divided differences for polynomial interpolation of exponential propagators
In this paper, we propose an approach to the computation of more accurate divided differences for the interpolation in the Newton form of the matrix exponential propagator ϕ(hA)v...
Marco Caliari
CAV
2009
Springer
139views Hardware» more  CAV 2009»
14 years 10 months ago
A Concurrent Portfolio Approach to SMT Solving
With the availability of multi-core processors and large-scale computing clusters, the study of parallel algorithms has been revived throughout the industry. We present a portfolio...
Christoph M. Wintersteiger, Leonardo Mendonç...