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In order to efficiently explore the chemical space of all possible small molecules, a common approach is to compress the dimension of the system to facilitate downstream machine learning tasks. Towards this end, we present a data driven…

Biomolecules · Quantitative Biology 2024-01-23 Paula Mercurio , Di Liu

This paper presents a novel data-driven framework to aid in system state estimation when the power system is under unobservable false data injection attacks. The proposed framework dynamically detects and classifies false data injection…

Machine Learning · Computer Science 2022-12-02 Ehsan Hallaji , Roozbeh Razavi-Far , Meng Wang , Mehrdad Saif , Bruce Fardanesh

Outlier detection is an important problem occurring in a wide range of areas. Outliers are the outcome of fraudulent behaviour, mechanical faults, human error, or simply natural deviations. Many data mining applications perform outlier…

Machine Learning · Computer Science 2025-10-28 Juan A. Lara , David Lizcano , Víctor Rampérez , Javier Soriano

We present a new algorithm for locating a small cluster of points with differential privacy [Dwork, McSherry, Nissim, and Smith, 2006]. Our algorithm has implications to private data exploration, clustering, and removal of outliers.…

Data Structures and Algorithms · Computer Science 2017-03-14 Kobbi Nissim , Uri Stemmer , Salil Vadhan

This paper analyses the statistics of the clipping noise in orthogonal frequency-division-multiplex (OFDM) based visible light Communication systems. The clipped signal is generally modelled as the summation of the scaled original signal…

Signal Processing · Electrical Eng. & Systems 2019-09-10 Nima Taherkhani , Kamran Kiasaleh

We propose the DPSM method, a density-based node clustering approach that automatically determines the number of clusters and can be applied in both data space and graph space. Unlike traditional density-based clustering methods, which…

Machine Learning · Computer Science 2024-11-05 Feiping Nie , Yitao Song , Jingjing Xue , Rong Wang , Xuelong Li

Object tracking and localization is a complex task that typically requires processing power beyond the capabilities of low-power embedded cameras. This paper presents a new approach to real-time object tracking and localization using…

Computer Vision and Pattern Recognition · Computer Science 2017-12-06 Ibrahim Abdelkader , Yasser El-Sonbaty , Mohamed El-Habrouk

Cluster-sparse channels often exist in frequencyselective fading broadband communication systems. The main reason is received scattered waveform exhibits cluster structure which is caused by a few reflectors near the receiver. Conventional…

Information Theory · Computer Science 2014-07-24 Guan Gui , Li Xu , Lin Shan

Ensemble methods are a reliable way to combine several models to achieve superior performance. However, research on the application of ensemble methods in the remote sensing object detection scenario is mostly overlooked. Two problems…

Computer Vision and Pattern Recognition · Computer Science 2022-09-28 Haoning Lin , Changhao Sun , Yunpeng Liu

Observability of complex systems/networks is the focus of this paper, which is shown to be closely related to the concept of contraction. Indeed, for observable network tracking it is necessary/sufficient to have one node in each…

Systems and Control · Computer Science 2017-09-13 Mohammadreza Doostmohammadian , Hamid R. Rabiee , Houman Zarrabi , Usman Khan

All-Optical Network (AON) is a network where the user-network interface is optical and the data does undergo optical to electrical conversion within the network. AONs are attractive because they promise very high rates, flexible switching…

Networking and Internet Architecture · Computer Science 2010-04-27 A. Ahmed Jedidi , B. Mohamed Abid

This paper addresses the problem of distributed event localization using noisy range measurements with respect to sensors with known positions. Event localization is fundamental in many wireless sensor network applications such as homeland…

Distributed, Parallel, and Cluster Computing · Computer Science 2018-07-03 Chunlei Zhang , Yongqiang Wang

We propose an efficient scheme for generating fake network traffic to disguise the real event notification in the presence of a global eavesdropper, which is especially relevant for the quality of service in delay-intolerant applications…

Cryptography and Security · Computer Science 2010-12-03 Silvija Kokalj-Filipovic , Fabrice Le Fessant , Predrag Spasojevic

As the number of rooftop photovoltaic (PV) installations increases, aggregators and system operators are required to monitor and analyze these systems, raising the challenge of integration and management of large, spatially distributed…

Machine Learning · Computer Science 2025-05-19 Kutay Bölat , Tarek Alskaif , Peter Palensky , Simon Tindemans

Diverse fault types, fast re-closures, and complicated transient states after a fault event make real-time fault location in power grids challenging. Existing localization techniques in this area rely on simplistic assumptions, such as…

Systems and Control · Computer Science 2019-05-20 Wenting Li , Deepjyoti Deka , Michael Chertkov , Meng Wang

Clustering is a fundamental data processing task used for grouping records based on one or more features. In the vertically partitioned setting, data is distributed among entities, with each holding only a subset of those features. A key…

Cryptography and Security · Computer Science 2025-04-11 Federico Mazzone , Trevor Brown , Florian Kerschbaum , Kevin H. Wilson , Maarten Everts , Florian Hahn , Andreas Peter

Fault control and tolerance in wireless sensor network is a challenging problem because of limited energy, bandwidth, and computational complexity. While facing numerous threats these severely resource constrained nodes are responsible for…

Networking and Internet Architecture · Computer Science 2014-07-08 Touseef Yousuf Darzi , Aminuddin Zabi , Pallavi M

This paper considers secure energy-efficient routing in the presence of multiple passive eavesdroppers. Previous work in this area has considered secure routing assuming probabilistic or exact knowledge of the location and…

Networking and Internet Architecture · Computer Science 2017-03-16 Azadeh Sheikholeslami , Majid Ghaderi , Hossein Pishro-Nik , Dennis Goeckel

OFDM-IM NOMA is a newly created flexible scheme for future generation communication systems. For the downlink OFDM-IM NOMA system, a low-complexity "rotated constellation based log likelihood ratio (LLR) detector" has been proposed in this…

Information Theory · Computer Science 2023-05-02 Subham Sabud , Preetam Kumar

In recent years, satellite communication (SatCom) systems have been widely used for navigation, broadcasting application, disaster recovery, weather sensing, and even spying on the Earth. As the number of satellites is highly increasing and…

Signal Processing · Electrical Eng. & Systems 2022-04-05 Olfa Ben Yahia , Eylem Erdogan , Gunes Karabulut Kurt , Ibrahim Altunbas , Halim Yanikomeroglu