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A Payload Optimization Method for Federated Recommender Systems [article]

Farwa K. Khan, Adrian Flanagan, Kuan E. Tan, Zareen Alamgir, Muhammad Ammad-Ud-Din
2021 pre-print
We introduce the payload optimization method for federated recommender systems (FRS).  ...  The selection process was guided by a novel reward function suitable for FL systems. So far as we are aware, this is the first optimization method that seeks to address item dependent payloads.  ...  The findings confirm that the proposed method consistently performed Figure 1 : The payload optimization method proposed in this study for federated recommender systems (FRS).  ... 
doi:10.1145/3460231.3474257 arXiv:2107.13078v1 fatcat:m7nrlbrkjraarnhnrhdqghmxli

Launch and Deployment Analysis for a Small, Medium Earth Orbit, Technology-Demonstration Satellite

Stephen A. Whitmore, Tyson Smith
2009 Journal of Spacecraft and Rockets  
Preliminary Launch Systems Trade Analysis Currently, there are nine Federal Aviation Administration certified launch systems licensed to carry a classified USA payload.  ...  A preliminary trade analysis is performed where all available options for Federal Aviation Administration licensed U.S. launch systems are considered.  ... 
doi:10.2514/1.39832 fatcat:phbicctwvvf7fh5lejnmubj4tq

Federated Collaborative Filtering for Privacy-Preserving Personalized Recommendation System [article]

Muhammad Ammad-ud-din, Elena Ivannikova, Suleiman A. Khan, Were Oyomno, Qiang Fu, Kuan Eeik Tan, Adrian Flanagan
2019 arXiv   pre-print
As a classical case study in machine learning, we explore a personalized recommendation system based on users' implicit feedback and demonstrate the method's applicability to both the MovieLens and an  ...  In the Federated Learning paradigm, a master machine learning model is distributed to user clients, the clients use their locally stored data and model for both inference and calculating model updates.  ...  Future Work: We consider this work as a first step towards privacy-preserving recommendation systems with a federated model.  ... 
arXiv:1901.09888v1 fatcat:77g4p7rhsbcktoojr6p4ji3acq

Internet Traffic Classification with Federated Learning

Hyunsu Mun, Youngseok Lee
2020 Electronics  
In this paper, we propose a federated-learning traffic classification protocol (FLIC), which can achieve an accuracy comparable to centralized deep learning for Internet application identification without  ...  As Internet traffic classification is a typical problem for ISPs or mobile carriers, there have been a lot of studies based on statistical packet header information, deep packet inspection, or machine  ...  [22] proposed a method of using a common layer for each task when using federated learning for network anomaly detection, VPN or Tor traffic recognition, and traffic classification.  ... 
doi:10.3390/electronics10010027 fatcat:qm5bejwr5naz3ltakfrofspqhu

Mitigating the Impact of GNSS Signals in the Radio Astronomy Band 1610.6-1613.8 MHz

2009 Navigation  
It was shown that respecting the recommendation means, for Galileo, to have a payload filter with a slope of approximately 37 dBs in 15 MHz, which is a strong constraint, in particular for a satellite  ...  It is known as the Inter-Modulation (IM) signal and it is used to create a signal with a constant envelope, so that the High Power Amplifier within the satellite payload can be used optimally.  ... 
doi:10.1002/j.2161-4296.2009.tb01758.x fatcat:sg3os5isszhzvho266rlc37onm

The Payload Data Handling and Telemetry Systems of Gaia [article]

Jordi Portell, Enrique Garcia-Berro Institut d'Estudis Espacials de Catalunya, Dept. Astronomia i Meteorologia UB)
2005 arXiv   pre-print
The Payload Data Handling System (PDHS) of Gaia is a technological challenge, since it will have to process a huge amount of data with limited resources.  ...  Here we describe a set of proposals for its design, as well as some simulators developed to optimise and test these proposals.  ...  ACKNOWLEDGEMENTS This work has been partially supported by the MCYT grant AYA2002-4094-C03-01, by the European Union FEDER funds and by the CIRIT.  ... 
arXiv:astro-ph/0504285v1 fatcat:ger45v32obgxphcxna5mhv5od4

XML standards as the basis for data interoperability among military C2 systems and beyond

Robert Beardswor, David O'Neill, Philip Barry, Scott Renner, John Wandelt
The TEDS JCTD was initiated to work with the Services to overcome documented gaps in data sharing, and create a Joint approach to delivering data for use in a leader centric, net enabled future.  ...  To address these challenges, we are developing a collection of data components that provide semantics understood by all, and rules for composing them as needed into data exchange specifications.  ...  These are: ULEX + UCore Digest + C2 Core Payload (Wrapped Payload Method) This pattern is the original design for C2 Core messages.  ... 
doi:10.1109/milcom.2010.5680356 fatcat:a63lfqxcnbernbwforb3ffgvzy

Development of Design Methodology for a Small Solar-Powered Unmanned Aerial Vehicle

Parvathy Rajendran, Howard Smith
2018 International Journal of Aerospace Engineering  
(i.e., electric propulsion, sensitivity, and trend analysis) for sizing consideration to optimize UAV designs.  ...  UAVs powered by solar (solar and battery) and nonsolar (battery-only) energy were also compared, showing that nonsolar UAVs can generally carry more payloads at a particular time and place than solar UAVs  ...  No work has yet been done on aircraft dynamics, which is recommended for further studies.  ... 
doi:10.1155/2018/2820717 fatcat:7emmkn2hkvbfblwp3huuu6jg7m

Design and Optimization of a Polar Satellite Mission to Complement the Copernicus System

Eduard Alarcon, Angel Alvaro Sanchez, Carles Araguz, Gilbert Barrot, Elisenda Bou-Balust, Adriano Camps, Stefania Cornara, Judith Cote, Antonio Gutierrez Pena, Estefany Lancheros, Olivia Lesne, David Llaveria (+17 others)
2018 IEEE Access  
architectures resulting in a competitive advantage for European Earth Observation (EO) systems.  ...  The EU H2020 ONION project ("Operational Network of Individual Observation Nodes") has leveraged on the concept of Fractionated and Federated Satellite Systems (FFSS) to develop and design innovative mission  ...  First, a brief overview of fractionated and federated observation system concepts is presented.  ... 
doi:10.1109/access.2018.2844257 fatcat:w6ntmbf2kbhxta7l53s3xxs7um

5G in Medicine

2020 Biomedical Engineering  
Moreover, recommendations for action and for scalable solutions will be derived. The project studies 5G in the use cases "integrated care" and "homecare".  ...  Results Sustainable project results are aimed at the development of a capability maturity model for digital healthcare services, a standardized technology assessment approach and a virtual healthcare centre  ...  Conclusion Ongoing objective of the research project is to lay a cornerstone of positive results and arguments for a continuation of the telemedical system for the Halligen.  ... 
doi:10.1515/bmt-2020-6001 pmid:33578498 fatcat:k2z77xyp5rcsbpffrfgc3sccse

Update on the Ares V to support heavy lift for U.S. space exploration policy

John P. Sumrall, Steve Creech
2010 Acta Astronautica  
Ares V remains in a pre-design analysis cycle International Astronautical Federation 1  ...  Moreover, it will restore the United States' heavy-lift capability, which can support human and robotic exploration for decades to come.  ...  The design also included the payload environmental control system, avionics, and separation system.  ... 
doi:10.1016/j.actaastro.2009.10.002 fatcat:fhqssbvcn5ddvkuo756cyucnve

A High-Altitude Balloon Platform for Space Life Sciences Education

Jordan McKaig, Tristan Caro, Alex Hyer, Elizabeth Delgadillo Talburt, Sonali Verma, Kaixin Cui, Anna-Sophia Boguraev, Molly Heit, Aimee Johnson, Emily Johnson, Andrew Jong, Brooke Shepard (+3 others)
2019 Gravitational and space research : publication of the American Society for Gravitational and Space Research  
Here, we describe a reproducible payload for a HAB mission that can be constructed, launched, and retrieved for about $3,000.  ...  High-altitude balloons (HABs) present a valuable and cost-effective tool for educators and students to access the conditions that are analogous to space and extraterrestrial environments in the Earth's  ...  We sincerely thank US Forest Service Rangers Ethan Gicker, Charlie Hiles, Daniel Edward O'Halloran, and Kit Bailey for the recovery of SHAB-1 payload and their tireless efforts fighting the relentless  ... 
doi:10.2478/gsr-2019-0007 fatcat:6tapd6xbnvcxdkveu5uoj6ngxm

Maximum-payload trajectories for a laser-propelled launch vehicle

W. E. Humble, Bion L. Pierson
1995 Journal of Guidance Control and Dynamics  
Conclusions For the first time, optimal launch-to-orbit trajectories have been obtained for a laser propulsion system.  ...  Because of these unusual characteristics, it is expected that the optimal trajectories for such a launch vehicle would be signifi- cantly different from those for more conventional systems.  ... 
doi:10.2514/3.21539 fatcat:duo4oav7gfaqlee45pgzjgirgi

Federated Multi-view Matrix Factorization for Personalized Recommendations [article]

Adrian Flanagan, Were Oyomno, Alexander Grigorievskiy, Kuan Eeik Tan, Suleiman A. Khan, Muhammad Ammad-Ud-Din
2020 arXiv   pre-print
the usefulness of the proposed method for the challenging prediction tasks of cold-start federated recommendations.  ...  Our method is able to learn the multi-view model without transferring the user's personal data to a central server.  ...  While we use the example of a movie recommender the methods described here can be generalized to any type of recommender system.  ... 
arXiv:2004.04256v1 fatcat:zgiorqz2n5b3rkuo2sornupzf4

Analyzing Current Interference Situations of Connected Devices Using Context-Information and the Centralized Broker-Approach [article]

Daniel Lindenschmitt, Michael Karrenbauer, Hans D. Schotten
2020 arXiv   pre-print
Additional a system for safety-critical information is implemented.  ...  In the course of this development a process was developed and implemented, which optimizes IEEE 802.11-systems relating to the interference situation by using context-information.  ...  The authors alone are responsible for the content of the paper.  ... 
arXiv:2011.07860v1 fatcat:u4p4k2j2cjaglkudqjkswgdrbq
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