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Power-aware operator placement and broadcasting of continuous query results

Panayiotis Neophytou, Mohamed A. Sharaf, Panos K. Chrysanthis, Alexandros Labrinidis
2010 Proceedings of the Ninth ACM International Workshop on Data Engineering for Wireless and Mobile Access - MobiDE '10  
Specifically, we propose three power-aware query operator placement algorithms that determine which part of a continuous query plan is executed at the data stream management server and which part is executed  ...  In this paper, we consider the situation where the end-users submit queries from hand-held devices and the results of the continuous queries, which are in the form of individual data streams, are disseminated  ...  CONCLUSIONS We have developed three algorithms for continuous query operator placement for a data stream management system which broadcasts the results of continuous queries to a set of wireless clients  ... 
doi:10.1145/1850822.1850831 dblp:conf/mobide/NeophytouSCL10 fatcat:xt2ax5ycvre2nl44ir4zngyg2y

Query Management for Efficient Data Access in Wireless Environment

Seema Verma, Author Rakhee, Savita Kumari
2011 International Journal of Computer Applications  
With the cutting edge technology advance in wireless computers data broadcast has emerged as powerful tool for information dissemination to massive number of clients equipped with portable gadgets.  ...  Owing to their complex nature handling of wireless queries is a challenge to the database and networking research community.  ...  She thanks faculty and staff there for extending help to prepare this paper.  ... 
doi:10.5120/3528-4807 fatcat:utk7fg6iyfgqvecchppzswckmy

A Survey of IoT Stream Query Execution Latency Optimization within Edge and Cloud

Fatima Abdullah, Limei Peng, Byungchul Tak, Xiaojie Wang
2021 Wireless Communications and Mobile Computing  
IoT (Internet of Things) streaming data has increased dramatically over the recent years and continues to grow rapidly due to the exponential growth of connected IoT devices.  ...  For many IoT applications, fast stream query processing is crucial for correct operations.  ...  Operator placement scenario places the query operators in a resource-latency-aware manner.  ... 
doi:10.1155/2021/4811018 fatcat:kex7f5r2tzconkhhmjqjavusxi

Improvement of limited Storage Placement in Wireless Sensor Network

Dr.S.S Apte
2013 IOSR Journal of Computer Engineering  
This paper considers the storage node placement problem aiming to place limited storage nodes in sensor network to minimize the total energy cost for collecting the raw data and replying queries at the  ...  The main aim of this paper is to reduce the cost for raw data transfer, query diffusion, query reply by defining the best location of storage nodes in sensor network.  ...  Acknowledgement We would like to thank Solapur University and WIT Faculty for supporting us.  ... 
doi:10.9790/0661-122107111 fatcat:rar2pkwfpvcxposnpmbzni2x34

An Energy-Aware Routing Protocol for Query-Based Applications in Wireless Sensor Networks

Ehsan Ahvar, Shohreh Ahvar, Gyu Myoung Lee, Noel Crespi
2014 The Scientific World Journal  
This is achieved by means of fuzzy sets and learning automata techniques along with zonal broadcasting to decrease total energy consumption.  ...  In this paper, we propose an energy-aware routing protocol (ERP) for query-based applications in WSNs, which offers a good trade-off between traditional energy balancing and energy saving objectives and  ...  In WSNs, where thousands of nodes communicate with each other, broadcast storms may result in significant power consumption and even in a network meltdown.  ... 
doi:10.1155/2014/359897 pmid:24696640 pmcid:PMC3947686 fatcat:j63noxshfzc2vbkpwo4kpmwldy

Mobile Distributed Complex Event Processing—Ubi Sumus? Quo Vadimus? [chapter]

Fabrice Starks, Vera Goebel, Stein Kristiansen, Thomas Plagemann
2017 Mobile Big Data  
At the application and consumer level, mobile queries pose a new set of challenges for CEP related to continuously changing positions of consumers and data sources, and the need to adapt the query processing  ...  One important class of applications for the Internet of Things is related to the need to gain timely and continuous situational awareness, like smart cities, automated traffic control, or emergency and  ...  Furthermore, the concept of classical database queries has been adopted to run continuous queries over data streams to return continuously new results as new data tuples arrive.  ... 
doi:10.1007/978-3-319-67925-9_7 dblp:series/lndect/StarksGKP18 fatcat:g2ts23ao2varjjdtnke2j72p3e

A Distributed Technique for Dynamic Operator Placement in Wireless Sensor Networks

Georgios Chatzimilioudis, Nikos Mamoulis, Dimitrios Gunopulos
2010 2010 Eleventh International Conference on Mobile Data Management  
We present an optimal distributed algorithm to adapt the placement of a single operator in high communication cost networks, such as a wireless sensor network.  ...  When no flooding is needed the communication cost overhead for adapting the operator placement is negligible.  ...  The framework answers continuous queries in epochs and adapts the operator placement to data load changes.  ... 
doi:10.1109/mdm.2010.16 dblp:conf/mdm/ChatzimilioudisMG10 fatcat:meqme65fnfdltfqcgn2ml5wwxq

Data management in location-dependent information services

Dik Lun Lee, Jianliang Xu, Baihua Zheng, Wang-Chien Lee
2002 IEEE pervasive computing  
They can provide local and nonlocal news, weather, and traffic reports as well as directory services.  ...  Two models for representing locations exist: Location-dependent information services have great promise for mobile and pervasive computing environments.  ...  ACKNOWLEDGMENTS We thank the guest editors and the anonymous reviewers for their valuable comments and suggestions, which have improved the quality of this article.  ... 
doi:10.1109/mprv.2002.1037724 fatcat:pkrsjfhpmfhvbgpchxgd3gbmzm

Design and Evaluation of Network Topology-/Speed- Aware Broadcast Algorithms for InfiniBand Clusters

H. Subramoni, K. Kandalla, J. Vienne, S. Sur, B. Barth, K. Tomko, R. Mclay, K. Schulz, D.K. Panda
2011 2011 IEEE International Conference on Cluster Computing  
Our experimental results show that, for large homogeneous systems and large message sizes, we get up to 14% improvement in the latency of the broadcast operation using our proposed network topology-aware  ...  We also make design changes inside the MPI library to dynamically query this topology detection service and to form a topology model of the underlying network.  ...  ACKNOWLEDGMENTS We would like to express our sincere appreciation to Doug Johnson of Ohio Supercomputer Center for his timely help in enabling us to evaluate our algorithms.  ... 
doi:10.1109/cluster.2011.43 dblp:conf/cluster/SubramoniKVSBTMSP11 fatcat:4lksqieff5hnvkslsflsbe5bue


Dan O'Keeffe, Theodoros Salonidis, Peter Pietzuch
2018 Proceedings of the VLDB Endowment  
The key idea is to express data-intensive IoT applications as continuous data-parallel streaming queries and to improve query throughput in an unreliable wireless network by exploiting network path diversity  ...  : a query includes operator replicas at different IoT nodes, which increases possible network paths for data.  ...  The views and conclusions contained in this document are those of the authors and should not be interpreted as representing the official policies, either expressed or implied, of the U.S.  ... 
doi:10.14778/3231751.3231767 fatcat:4uwhitq4zreuhld5lybg3q2qbm

A Distributed Algorithm for Joins in Sensor Networks

Alexandru Coman, Mario A. Nascimento
2007 International Conference on Scientific and Statistical Database Management  
At the same time, our algorithm still aims at minimizing the energy cost of query processing.  ...  Given their autonomy, flexibility and large range of functionality, wireless sensor networks can be used as an effective and discrete means for monitoring data in many domains.  ...  For historical and short continuous queries the solution would perform much worse than the optimal cost due to the initial random placement.  ... 
doi:10.1109/ssdbm.2007.26 dblp:conf/ssdbm/ComanN07 fatcat:7avvd4owkzavvoxchtkgwd2ixe

Cache Discovery Over a Multihop Wireless Ad Hoc Network [article]

Preetha Theresa Joy, K. Poulose Jacob
2014 arXiv   pre-print
The nodes in these networks are power constrained, since they operate in limited battery energy.  ...  A cache discovery process based on position coordinates of neighboring nodes is developed for this. The simulation results gives a promising result based on the metrics of studies.  ...  Mobile hosts are powered by battery while they are on move. Thus, to ensure good continuity of system operations over time, several approaches are taken to enhance the battery life.  ... 
arXiv:1406.5316v1 fatcat:swllnbdnpnbmxlmf5szu7xtcca

Joint placement and sleep scheduling of grid-connected solar powered road side units in vehicular networks

Vageesh D.C., Moumita Patra, C. Siva Ram Murthy
2014 2014 12th International Symposium on Modeling and Optimization in Mobile, Ad Hoc, and Wireless Networks (WiOpt)  
Our results show that this kind of joint optimization leads to an overall energy aware RSU placement with lower overall cost.  ...  Taking these into account, we aim to perform optimal placement of RSUs with sleep scheduling where RSUs are powered by conventional grid and solar power.  ...  We have compared the results obtained from our proposed method with two different placement strategies, viz, uniform placement of RSUs and exhaustive search and In exhaustive search, for each time slot  ... 
doi:10.1109/wiopt.2014.6850343 dblp:conf/wiopt/CPM14 fatcat:ubtwu7x5tjgv3dgpgag4okssde

Evaluation of Unlimited Storage: Towards Better Data Access Model for &quotSensor Network"

Sagar M.Mane, S. S. Apte
2013 International Journal of Computer Applications  
This paper considers the storage node placement problem aiming to place unlimited storage nodes in sensor network to minimize the total energy cost for collecting the raw data and replying queries at the  ...  The main aim of this paper is to reduce the cost for raw data transfer, query diffusion, query reply by defining the best location of storage nodes in sensor network.  ...  The outgoing data are kept intact and the forwarding operation continues until the data reach a nearest storage node.  ... 
doi:10.5120/12752-9695 fatcat:hzyjwwrwsbhg5oi6yzclzlwzya

Distributed Database Management Techniques for Wireless Sensor Networks

Ousmane Diallo, Joel Jose P. C. Rodrigues, Mbaye Sene, Jaime Lloret
2015 IEEE Transactions on Parallel and Distributed Systems  
In order to manage this amount of sensed data in an energy-efficient way, new methods of storage and data query are needed.  ...  This paper surveys the state of the art of the techniques used to manage data and queries in wireless sensor networks based on the distributed paradigm.  ...  In [92] , the authors present a resource-awareness framework for in-network data processing in wireless sensor netw automatic code generation, the operator placement, and the deployment of an efficient  ... 
doi:10.1109/tpds.2013.207 fatcat:jnuoflwt2zhntcylijjryh4v2m
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