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GECCO
2009
Springer
121views Optimization» more  GECCO 2009»
15 years 2 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
110
Voted
ESWS
2010
Springer
14 years 8 months ago
The Semantic Gap of Formalized Meaning
Recent work in Ontology learning and Text mining has mainly focused on engineering methods to solve practical problem. In this thesis, we investigate methods that can substantially...
Sebastian Hellmann
121
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CSDA
2007
169views more  CSDA 2007»
14 years 9 months ago
A null space method for over-complete blind source separation
In blind source separation, there are M sources that produce sounds independently and continuously over time. These sounds are then recorded by m receivers. The sound recorded by ...
Ray-Bing Chen, Ying Nian Wu
93
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SIGCOMM
2010
ACM
14 years 10 months ago
DONAR: decentralized server selection for cloud services
Geo-replicated services need an effective way to direct client requests to a particular location, based on performance, load, and cost. This paper presents DONAR, a distributed sy...
Patrick Wendell, Joe Wenjie Jiang, Michael J. Free...
WWW
2008
ACM
15 years 11 months ago
Restful web services vs. "big"' web services: making the right architectural decision
Recent technology trends in the Web Services (WS) domain indicate that a solution eliminating the presumed complexity of the WS-* standards may be in sight: advocates of REpresent...
Cesare Pautasso, Olaf Zimmermann, Frank Leymann