All Outputs (50)

A Survey on Urban Traffic Anomalies Detection Algorithms (2019)
Journal Article

© 2019 IEEE. This paper reviews the use of outlier detection approaches in urban traffic analysis. We divide existing solutions into two main categories: flow outlier detection and trajectory outlier detection. The first category groups solutions tha... Read More about A Survey on Urban Traffic Anomalies Detection Algorithms.

Frequent itemset mining in big data with effective single scan algorithms (2018)
Journal Article

© 2013 IEEE. This paper considers frequent itemsets mining in transactional databases. It introduces a new accurate single scan approach for frequent itemset mining (SSFIM), a heuristic as an alternative approach (EA-SSFIM), as well as a parallel imp... Read More about Frequent itemset mining in big data with effective single scan algorithms.

Adaptive learning-enforced broadcast policy for solar energy harvesting wireless sensor networks (2018)
Journal Article

© 2018 Elsevier B.V. The problem of message broadcast from the base station (BS) to sensor nodes (SNs) in solar energy harvesting enabled wireless sensor networks is considered in this paper. The aim is to ensure fast and reliable broadcast without d... Read More about Adaptive learning-enforced broadcast policy for solar energy harvesting wireless sensor networks.

Exploiting GPU parallelism in improving bees swarm optimization for mining big transactional databases (2018)
Journal Article

© 2018 This paper investigates the use of GPU (Graphics Processing Unit) in improving the bees swarm optimization metaheuristic performance for solving the association rule mining problem. Although this metaheuristic proved its effectiveness, it requ... Read More about Exploiting GPU parallelism in improving bees swarm optimization for mining big transactional databases.

Bee swarm optimization for solving the MAXSAT problem using prior knowledge (2017)
Journal Article

This paper explores rule decomposition for solving the MAXSAT problem. Four approaches are proposed to steer a bee swarm optimization metaheuristic. Two decomposition methods are proposed: direct and indirect. The first one applies the Kmeans algorit... Read More about Bee swarm optimization for solving the MAXSAT problem using prior knowledge.

Data Mining-Based Decomposition for Solving the MAXSAT Problem: Toward a New Approach (2017)
Journal Article

This article explores advances in the data mining arena to solve the fundamental MAXSAT problem. In the proposed approach, the MAXSAT instance is first decomposed and clustered by using data mining decomposition techniques, then every cluster resulti... Read More about Data Mining-Based Decomposition for Solving the MAXSAT Problem: Toward a New Approach.

Temporal and spatial coherence verification in SMIL documents with hoare logic and disjunctive constraints: A hybrid formal method (2017)
Journal Article

© 2016 - Society for Design and Process Science. All rights reserved. The challenging problem of formal verification of SMIL (Synchronized Multimedia Integration Language Specification) documents is considered in this paper, where we propose a hybrid... Read More about Temporal and spatial coherence verification in SMIL documents with hoare logic and disjunctive constraints: A hybrid formal method.

Energy-Aware Constrained Relay Node Deployment for Sustainable Wireless Sensor Networks (2017)
Journal Article

© 2016 IEEE. This paper considers the problem of communication coverage for sustainable data forwarding in wireless sensor networks, where an energy-aware deployment model of relay nodes (RNs) is proposed. The model used in this paper considers const... Read More about Energy-Aware Constrained Relay Node Deployment for Sustainable Wireless Sensor Networks.

Optimal placement of relay nodes over limited positions in wireless sensor networks (2017)
Journal Article

This paper tackles the challenge of optimally placing relay nodes (RNs) in wireless sensor networks given a limited set of positions. The proposed solution consists of: 1) the usage of a realistic physical layer model based on a Rayleigh block-fading... Read More about Optimal placement of relay nodes over limited positions in wireless sensor networks.

Efficient on-demand multi-node charging techniques for wireless sensor networks (2016)
Journal Article

This paper deals with wireless charging in sensor networks and explores efficient policies to perform simultaneous multi-node power transfer through a mobile charger (MC).The proposed solution, called On-demand Multi-node Charging (OMC), features an... Read More about Efficient on-demand multi-node charging techniques for wireless sensor networks.

MAC protocols with wake-up radio for wireless sensor networks: A review (2016)
Journal Article

The use of a low-power wake-up radio in wireless sensor networks is considered in this paper, where relevant medium access control solutions are studied. A variety of asynchronous wake-up MAC protocols have been proposed in the literature, which take... Read More about MAC protocols with wake-up radio for wireless sensor networks: A review.

One-step approach for two-tiered constrained relay node placement in wireless sensor networks (2016)
Journal Article

© 2012 IEEE. We consider in this letter the problem of constrained relay node (RN) placement where sensor nodes must be connected to base stations by using a minimum number of RNs. The latter can only be deployed at a set of predefined locations, and... Read More about One-step approach for two-tiered constrained relay node placement in wireless sensor networks.

Game theory framework for MAC parameter optimization in energy-delay constrained sensor networks (2016)
Journal Article

Optimizing energy consumption and end-to-end (e2e) packet delay in energy-constrained, delay-sensitive wireless sensor networks is a conflicting multiobjective optimization problem. We investigate the problem from a game theory perspective, where the... Read More about Game theory framework for MAC parameter optimization in energy-delay constrained sensor networks.

Networked Wireless Sensors, Active RFID, and Handheld Devices for Modern Car Park Management: WSN, RFID, and Mob Devs for Car Park Management (2015)
Journal Article

Delay-efficient MAC protocol with traffic differentiation and run-time parameter adaptation for energy-constrained wireless sensor networks (2015)
Journal Article

© 2015, Springer Science+Business Media New York. This paper presents an asynchronous cascading wake-up MAC protocol for heterogeneous traffic gathering in low-power wireless sensor networks. It jointly considers energy/delay optimization and switche... Read More about Delay-efficient MAC protocol with traffic differentiation and run-time parameter adaptation for energy-constrained wireless sensor networks.

Distributed low-latency data aggregation scheduling in wireless sensor networks (2015)
Journal Article

This article considers the data aggregation scheduling problem, where a collision-free schedule is determined in a distributed way to route the aggregated data from all the sensor nodes to the base station within the least time duration. The algorith... Read More about Distributed low-latency data aggregation scheduling in wireless sensor networks.

Synchronization protocols and implementation issues in wireless sensor networks: A review (2014)
Journal Article

Time synchronization in wireless sensor networks (WSNs) is a topic that has been attracting the research community in the last decade. Most performance evaluations of the proposed solutions have been limited to theoretical analysis and simulation. Th... Read More about Synchronization protocols and implementation issues in wireless sensor networks: A review.

Congestion control protocols in wireless sensor networks: A survey (2014)
Journal Article

The performance of wireless sensor networks (WSN) is affected by the lossy communication medium, application diversity, dense deployment, limited processing power and storage capacity, frequent topology change. All these limitations provide significa... Read More about Congestion control protocols in wireless sensor networks: A survey.

BOD-LEACH: Broadcasting over duty-cycled radio using LEACH clustering for delay/power efficient dissimilation in wireless sensor networks (2013)
Journal Article

Copyright © 2013 John Wiley & Sons, Ltd. Broadcasting delay-sensitive information over a duty-cycled wireless sensor network is considered, and a cluster-based protocol is proposed. The proposed protocol, namely Broadcast over Duty-Cycle and LEACH... Read More about BOD-LEACH: Broadcasting over duty-cycled radio using LEACH clustering for delay/power efficient dissimilation in wireless sensor networks.

Fast distributed multi-hop relative time synchronization protocol and estimators for wireless sensor networks (2013)
Journal Article

The challenging problem of time synchronization in wireless sensor networks is considered in this paper, where a new distributed protocol is proposed for both local and multi-hop synchronization. The receiver-to-receiver paradigm is used, which has t... Read More about Fast distributed multi-hop relative time synchronization protocol and estimators for wireless sensor networks.