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All Outputs (26698)

Collaborative Streaming: Trust Requirements for Price Sharing
Presentation / Conference Contribution
Grubenmann, T., Dell'Aglio, D., & Bernstein, A. (2019, December). Collaborative Streaming: Trust Requirements for Price Sharing. Presented at 2019 IEEE International Conference on Big Data (Big Data), Los Angeles, CA, USA

Stream Processing (SP) is an important Big Data technology enabling continuous querying of data streams. The stream setting offers the opportunity to exploit synergies and, theoretically, share the access and processing costs between multiple differe... Read More about Collaborative Streaming: Trust Requirements for Price Sharing.

Decentralizing the Semantic Web: Who Will Pay to Realize It?
Presentation / Conference Contribution
Grubenmann, T., Dell'Aglio, D., Bernstein, A., Moor, D., & Seuken, S. (2017, October). Decentralizing the Semantic Web: Who Will Pay to Realize It?. Presented at DeSemWeb 2017: Decentralizing the Semantic Web, Vienna

Fueled by enthusiasm of volunteers, government subsidies, and open data legislation, the Web of Data (WoD) has enjoyed a phenomenal growth. Commercial data, however, has been stuck in proprietary silos, as the monetization strategy for sharing data i... Read More about Decentralizing the Semantic Web: Who Will Pay to Realize It?.

Flexible Antenna Design for Wearable Telemedicine Applications
Presentation / Conference Contribution
Yehia, S., Fatah, A., Taher, F., Elwi, T. A., Fathy, M., Sree, A., Alibakhshikenari, M., Virdee, B. S., Livreri, P., Parchin, N. O., See, C. H., Pau, G., Dayoub, I., & Limiti, E. (2023, July). Flexible Antenna Design for Wearable Telemedicine Applications. Presented at Photonics and Electromagnetics Research Symposium, Prague, Czech Republic

In this article, an antenna design based on the printed patch of three strip lines which are excited with a microstrip line has been proposed and implemented for wearable telemedicine devices. The proposed antenna is fabricated using conductive coppe... Read More about Flexible Antenna Design for Wearable Telemedicine Applications.

Design of Compact Flexible UWB Antenna Using Different Substrate Materials for WBAN Applications
Presentation / Conference Contribution
Yehia, S., Fatah, A., Taher, F., Elwi, T. A., Fathy, M., Sree, A., Alibakhshikenari, M., Virdee, B. S., Livreri, P., Parchin, N. O., See, C. H., Pau, G., Dayoub, I., & Limiti, E. (2023, July). Design of Compact Flexible UWB Antenna Using Different Substrate Materials for WBAN Applications. Presented at Photonics and Electromagnetics Research Symposium, Prague, Czech Republic

In this paper, the design process of compact flexible ultra-wideband (UWB) antenna using various substrate materials such as FR4, Kapton, and Rogers RT5880 is discussed and experimentally investigated. The proposed antenna is structured as a flexible... Read More about Design of Compact Flexible UWB Antenna Using Different Substrate Materials for WBAN Applications.

Phased Array with Radiation-mode Reconfigurability for Cognitive Cellular Communications
Presentation / Conference Contribution
Ojaroudi Parchin, N., Alibakhshikenari, M., See, C. H., Dayoub, I., & Abd-Alhameed, R. A. (2023, July). Phased Array with Radiation-mode Reconfigurability for Cognitive Cellular Communications. Presented at Photonics and Electromagnetics Research Symposium, Prague, Czech Republic

A beam-steerable phased array with highly-miniaturized resonators and radiationmode reconfigurability is studied in this paper for 28 GHz 5G cellular cognitive networks. Simple and straightforward design procedures are followed. Eight modified T-sha... Read More about Phased Array with Radiation-mode Reconfigurability for Cognitive Cellular Communications.

Higher Accountability Framework for the Muslim Charities: Assessing Accountability Performance of Muslim Charities in the UK
Presentation / Conference Contribution
Avdukic, A., Awan, A. M., Abu Ghunmi, D., & Khaleel, F. (2023, June). Higher Accountability Framework for the Muslim Charities: Assessing Accountability Performance of Muslim Charities in the UK. Paper presented at 14th EIASM Workshop on the Challenges of Managing the Third Sector, University of Aberdeen

This paper cross-examines the performance of Muslim charities against the mandates given by donors and beneficiaries. The mandate is conceptualised using framework of maqasid Shari’ah: a set of principles of Shariah accountability. The Muslim chariti... Read More about Higher Accountability Framework for the Muslim Charities: Assessing Accountability Performance of Muslim Charities in the UK.

We Speak: On the Cinematic Representation of South Asian Women in Scotland
Presentation / Conference Contribution
Bilgrami, S., & Thambar, N. (2022, September). We Speak: On the Cinematic Representation of South Asian Women in Scotland. Paper presented at MeCCSA 'Silenced Voices' September 2022, Aberdeen

We Speak (Documentary Film, 6 minutes, 2022) is an audio-visual conversation between filmmaker Sana Bilgrami, and composer and musician Niroshini Thambar, about the experience of claiming space in a post-colonial world. The film reflects on the possi... Read More about We Speak: On the Cinematic Representation of South Asian Women in Scotland.

A Double Auction for Querying the Web of Data
Presentation / Conference Contribution
Moor, D., Grubenmann, T., Seuken, S., & Bernstein, A. (2015, August). A Double Auction for Querying the Web of Data. Presented at The Third Conference on Auctions, Market Mechanisms and Their Applications, Chicago, US

Currently, the Web of Data (WoD) suffers from a lack of incentives for data providers. In this paper, we address this issue by designing a double auction to allocate answers (from data providers) to queries in the WoD. However, our domain exhibits a... Read More about A Double Auction for Querying the Web of Data.

A 1.5 KW L-Band All GaN High-Efficiency Solid State Power Amplifier for Pulsed Applications
Presentation / Conference Contribution
Abounemra, A. M. E., Parchin, N. O., El-Tager, A. M., Mahdi, M., & Darwish, M. (2023, February). A 1.5 KW L-Band All GaN High-Efficiency Solid State Power Amplifier for Pulsed Applications. Presented at 2023 International Microwave and Antenna Symposium (IMAS), Cairo, Egypt

This paper describes the design and fabrication of a 1500 watts multi-stage L-band RF solid-state power amplifier (SSPA). The basic approach is to use 50-volt Gallium Nitride High Electron Mobility Transistors (GaN-HEMT) for all the stages to ease th... Read More about A 1.5 KW L-Band All GaN High-Efficiency Solid State Power Amplifier for Pulsed Applications.

FedMark: A Marketplace for Federated Data on the Web
Preprint / Working Paper
Grubenmann, T., Bernstein, A., Moor, D., & Seuken, S. (2018). FedMark: A Marketplace for Federated Data on the Web

The Web of Data (WoD) has experienced a phenomenal growth in the past. This growth is mainly fueled by tireless volunteers, government subsidies, and open data legislations. The majority of commercial data has not made the transition to the WoD, yet.... Read More about FedMark: A Marketplace for Federated Data on the Web.

An Ensemble Neural Model for Classification of LADA Diabetes Case, Control and Variable Importance
Presentation / Conference Contribution
Miller, A., Panneerselvam, J., Liu, L., & Antonopoulos, N. (2022, December). An Ensemble Neural Model for Classification of LADA Diabetes Case, Control and Variable Importance. Presented at 2022 IEEE/ACM 15th International Conference on Utility and Cloud Computing (UCC), Vancouver, WA, USA

LADA Diabetes is a complex disease, but often dismissed as a potential individual disease within its own right. A comprehensive understanding of previously unknown aspects of LADA diabetes has the potential to not only ascertain a greater comprehensi... Read More about An Ensemble Neural Model for Classification of LADA Diabetes Case, Control and Variable Importance.

Geolog: Scalable Logic Programming on Spatial Data
Presentation / Conference Contribution
Grubenmann, T., & Lehmann, J. (2021, September). Geolog: Scalable Logic Programming on Spatial Data. Presented at 37th International Conference on Logic Programming, Online

Spatial data is ubiquitous in our data-driven society. The Logic Programming community has been investigating the use of spatial data in different settings. Despite the success of this research, the Geographic Information System (GIS) community has r... Read More about Geolog: Scalable Logic Programming on Spatial Data.

5G in the Wild: Performance of C-Band 5G-NR in Rural Low-Power Fixed Wireless Access
Presentation / Conference Contribution
Davies, E., Chung, A., Broadbent, M., Macleod, A., & Race, N. (2022, October). 5G in the Wild: Performance of C-Band 5G-NR in Rural Low-Power Fixed Wireless Access. Presented at 2022 IEEE Future Networks World Forum (FNWF), Montreal, QC, Canada

In this paper, we have evaluated the performance of one of the first community-led rural applications of standalone 5G for fixed wireless access on the n77 band in the UK. This was achieved through a full-stack holistic monitoring platform, evaluatin... Read More about 5G in the Wild: Performance of C-Band 5G-NR in Rural Low-Power Fixed Wireless Access.

Leveraging Contextual Graphs for Stochastic Weight Completion in Sparse Road Networks
Presentation / Conference Contribution
Han, X., Cheng, R., Grubenmann, T., Maniu, S., Ma, C., & Li, X. (2022, April). Leveraging Contextual Graphs for Stochastic Weight Completion in Sparse Road Networks. Presented at SIAM International Conference on Data Mining (SDM22), Alexandria, Virginia, US

Road network applications, such as navigation, incident detection, and Point-of-Interest (POI) recommendation, make extensive use of network edge weights (e.g., traveling times). Some of these weights can be missing, especially in a road network wher... Read More about Leveraging Contextual Graphs for Stochastic Weight Completion in Sparse Road Networks.

Modeling Long-Range Travelling Times with Big Railway Data
Presentation / Conference Contribution
Sun, W., Grubenmann, T., Cheng, R., Kao, B., & Ching, W. (2022, April). Modeling Long-Range Travelling Times with Big Railway Data. Presented at 27th International Conference on Database Systems for Advanced Applications, Online

Big Railway Data, such as train movement logs and timetables, have become increasingly available. By analyzing these data, insights about train movement and delay can be extracted, allowing train operators to make smarter train management decisions.... Read More about Modeling Long-Range Travelling Times with Big Railway Data.

Monetization Strategies for the Web of Data
Presentation / Conference Contribution
Grubenmann, T. (2018, April). Monetization Strategies for the Web of Data. Presented at WWW '18: The Web Conference 2018, Lyon, France

Inspired by the World Wide Web, the Web of Data is a network of interlinked data fragments. One of the main advantages of the Web of Data is that all of its content is processable by machines. However, this also has its drawbacks when it comes to mon... Read More about Monetization Strategies for the Web of Data.

Traffic Incident Detection: A Trajectory-based Approach
Presentation / Conference Contribution
Han, X., Grubenmann, T., Cheng, R., Wong, S. C., Li, X., & Sun, W. (2020, April). Traffic Incident Detection: A Trajectory-based Approach. Presented at 2020 IEEE 36th International Conference on Data Engineering (ICDE), Dallas, TX, USA

Incident detection (ID), or the automatic discovery of anomalies from road traffic data (e.g., road sensor and GPS data), enables emergency actions (e.g., rescuing injured people) to be carried out in a timely fashion. Existing ID solutions based on... Read More about Traffic Incident Detection: A Trajectory-based Approach.

TSA: A Truthful Mechanism for Social Advertising
Presentation / Conference Contribution
Grubenmann, T., Cheng, R. C., & Lakshmanan, L. V. (2020, February). TSA: A Truthful Mechanism for Social Advertising. Presented at WSDM '20: The Thirteenth ACM International Conference on Web Search and Data Mining, Houston TX USA

Social advertising exploits the interconnectivity of users in social networks to spread advertisement and generate user engagements. A lot of research has focused on how to select the best subset of users in a social network to maximize the number of... Read More about TSA: A Truthful Mechanism for Social Advertising.

PFL-LDG: Privacy-preserving Federated Learning via Lightweight Device Grouping
Presentation / Conference Contribution
Wang, Z., Liu, Q., & Liu, X. (2023, August). PFL-LDG: Privacy-preserving Federated Learning via Lightweight Device Grouping. Presented at The 9th IEEE International Conference on Privacy Computing and Data Security (PCDS 2023) as Part of the IEEE Smart World Congress 2023, Portsmouth, UK

The rapid growth of private data from distributed edge networks, driven by the proliferation of IoT sensors, wearable devices, and smartphones, offers significant opportunities for AI applications. However, traditional distributed machine learning me... Read More about PFL-LDG: Privacy-preserving Federated Learning via Lightweight Device Grouping.