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السجلات المعروضة 71 -- 80 من 558
Financial portfolio management through the goal programming model: Current state-of-the-art
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Elsevier B.V.
, 2014 , Article)
Since Markowitz (1952) formulated the portfolio selection problem, many researchers have developed models aggregating simultaneously several conflicting attributes such as: the return on investment, risk and liquidity. The ...
A review of time-frequency matched filter design with application to seizure detection in multichannel newborn EEG
(
Elsevier Inc.
, 2014 , Article)
This paper presents a novel design of a time-frequency (t-f) matched filter as a solution to the problem of detecting a non-stationary signal in the presence of additive noise, for application to the detection of newborn ...
A multiresolution approach to Recommender systems
(
Association for Computing Machinery, Inc
, 2014 , Conference Paper)
Recommender systems face performance challenges when dealing with sparse data. This paper addresses these challenges and proposes the use of Harmonic Analysis. The method provides a novel approach to the user-item matrix ...
A series flywheel architecture for power levelling and mitigation of DC voltage transients in multi-terminal HVDC grids
(
Institution of Engineering and Technology
, 2014 , Article)
This study proposes a new architecture of flywheel energy storage system (FESS) which can be implemented at generating unit (GU) level (e.g. wind turbine) or scaled up for application in grid-side converter (GSC) stations ...
The similarity-aware relational intersect database operator
(
Springer International Publishing
, 2014 , Conference Paper)
Identifying similarities in large datasets is an essential operation in many applications such as bioinformatics, pattern recognition, and data integration. To make the underlying database system similarity-aware, the core ...
Outage performance of cooperative systems under IQ imbalance
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Institute of Electrical and Electronics Engineers Inc.
, 2014 , Article)
In this contribution, we investigate the outage performance of OFDM-based Decode and Forward (DF), Amplify and Forward (AF) and Controlled DF (CDF) cooperative systems under IQ Imbalance (IQI). In particular, tractable and ...
Trading wireless information and power transfer: Relay selection to minimize the outage probability
(
IEEE
, 2014 , Conference Paper)
This paper studies the outage probability minimization problem for a multiple relay network with energy harvesting constraints. The relays are hybrid nodes used for simultaneous wireless information and power transfer from ...
Thermochemical dissociation of CO2 into renewable fuels via CexZryHfzO2 based redox reactions using concentrated solar energy
(
AIChE
, 2014 , Conference Paper)
In this paper we report the co-precipitation synthesis of Ce0.75Zr0.125Hf0.125O2 redox material for the production of solar fuels via thermochemical H2O/CO2 splitting reaction. For the synthesis of Ce0.75Zr0.125Hf0.125O2 ...
Synthesis, immunomodulation and cytotoxic effects of vanadium (IV) complexes
(
Bentham Science Publishers B.V.
, 2014 , Article)
Vanadium is known to exhibit several bioactivities and shows potential as a pharmaceutical drug. The current studies were conducted with the goal of synthesizing a new generation of oxovanadium(IV) complexes, investigating ...
An axial magnetic gearbox with an electric power output port
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Institute of Electrical and Electronics Engineers Inc.
, 2014 , Conference Paper)
Recently, magnetic gearboxes (MGBs) are attracting more followers as they offer great benefits over conventional mechanical gearboxes including contactless operation, lower noise, lower vibration, and they are maintenance-free. ...