Research Publications
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| Searching for relevant documents is a laborious task involved in preparing systematic reviews of biomedical literature. Currently, complex Boolean queries are iteratively developed, and then each document of the final query result is assessed for ... Anomaly detection is emerging as a necessary component as wireless networks gain popularity. Anomaly detection has been addressed broadly in wired networks and powerful methods have been developed for correct detection of a variety of known attacks and ... Relay technologies have been actively studied and considered in the standardization process of next-generation mobile broadband communication systems such as 3GPP LTE-Advanced, IEEE 802.16j, and IEEE 802.16m. This article first introduces and ... The goal of this paper is to evaluate and compare models and methods for learning to recognize basic entities in images in an unsupervised setting. In other words, we want to discover the objects present in the images by analyzing unlabeled data and ... In this paper we investigate how to represent and reason about legal abrogations and annulments in Defeasible Logic. We examine some options that embed in this setting, and in similar rule-based systems, ideas from belief and base revision. In both ... Image partitioning separates an image into multiple visually and semantically homogeneous regions, providing a summary of visual content. Knowing that human observers focus on interesting objects or regions when interpreting a scene, and envisioning the ... Next Generation Networks will be comprised of different access technologies. We are already seeing the emergence of mobile devices with the capability of connecting to heterogeneous networks with different capabilities and constraints. In addition, many ... Multi-interfaced mobile devices can connect to heterogeneous wireless access networks with different capabilities and constraints. Additionally, many bandwidth intensive applications have rather relaxed real-time constraints allowing for alternative ... We investigate the impact of the wireless channel temporal variations on the design of Medium Access Control (MAC) protocols for Body Area Networks (BAN). More specifically, the deep fades are the features of the channel that mostly affect the behaviour... Detecting pedestrians in images plays a very important role in many computer vision applications such as video surveillance, smart cars and robotics. Feature extraction is the key for this task. Promising features should be discriminative, robust and easy... Today's mobile devices are increasingly containing multiple radios, enabling users on the move to take advantage of the heterogeneous wireless network environment. In addition, we observe that many bandwidth intensive services such as video on demand and ... A digital scratchpad was used by 8 participants in a study aimed at eliciting natural interactive behaviour under 3 increasing levels of cognitive load, and over 4 sessions, such that participant’s expertise increased. The scratchpad was used to jot down ... We propose a novel technique that uses information on node connectivity from geographical information systems for identifying paths for aggregating ethernet nodes and hence, is more realistic than node clustering based on position coordinates. complete cognitive skills training using targeted sports-specific software applications. When cognitive load is very high, the quality of performance can be negatively affected and learning can be inhibited. The aim of this study is to verify whether ... This paper presents an analysis of the real data of large-scale river systems and proposes a computationally tractable mathematical model which can deal with high complexity and inherent nonlinearly in the systems. In addition, the paper presents a ... Today’s mobile devices are increasingly containing multiple radios, enabling users on the move to take advantage of the heterogeneous wireless network environment. In addition, we observe that many bandwidth intensive services such as podcasts, ... Motivation: Identification of functionally equivalent genes in different species is essential to understand the evolution of biological pathways and processes. At the same time, identification of strings of conserved orthologous genes helps identify ... We propose design for a distributed and persistent content-based publish/subscribe service based on the Rete algorithm. Rete [1] has been designed to support pat- tern matching in production rule systems. In particular, Rete is able to manage, ... This paper presents a contractive coprime factor model reduction approach for discrete-time uncertain systems of LFT form with norm bounded structured uncertainty. A systematic approach is proposed for coprime factorization and contractive coprime ... Semantic web is gaining popularity as a candidate for next generation World Wide Web. In recent years, there has been a tremendous increase of using Internet on mobile devices and search engines are considered essential for Internet users. The existing ... A novel 2D Mobile-to-Mobile physical model is developed in this paper by considering the underlying physics of free space propagation. When compared to existing statistical channel models, the development and application of our new model is better in ... |