Sciweavers

6656 search results - page 1034 / 1332
» Change, Change, Change: Three Approaches
Sort
View
GECCO
2009
Springer
121views Optimization» more  GECCO 2009»
15 years 11 months ago
Using memetic algorithms to improve portfolio performance in static and dynamic trading scenarios
The Portfolio Optimization problem consists of the selection of a group of assets to a long-term fund in order to minimize the risk and maximize the return of the investment. This...
Claus de Castro Aranha, Hitoshi Iba
ADC
2001
Springer
95views Database» more  ADC 2001»
15 years 11 months ago
Towards a temporal world-wide web: a transaction-time server
Transaction time is the time of a database transaction, i.e., an insertion, update, or deletion. A transactiontime database stores the transaction-time history of a database and s...
Curtis E. Dyreson
CCS
2001
ACM
15 years 11 months ago
Protecting Software Code by Guards
Abstract. Protection of software code against illegitimate modifications by its users is a pressing issue to many software developers. Many software-based mechanisms for protectin...
Hoi Chang, Mikhail J. Atallah
179
Voted
DBPL
2001
Springer
167views Database» more  DBPL 2001»
15 years 11 months ago
A Temporal Query Language for OLAP: Implementation and a Case Study
Commercial OLAP systems usually treat OLAP dimensions as static entities. In practice, dimension updates are often necessary in order to adapt the multidimensional database to chan...
Alejandro A. Vaisman, Alberto O. Mendelzon
HYBRID
2001
Springer
15 years 11 months ago
Diagnosis of Physical Systems with Hybrid Models Using Parametrized Causality
Efficient algorithms exist for fault detection and isolation of physical systems based on functional redundancy. In a qualitative approach, this redundancy can be captured by a tem...
Pieter J. Mosterman
« Prev « First page 1034 / 1332 Last » Next »