An Aggregate Query Processing System Design For Wireless Network
Robust and efficient aggregate query processing in
briefly overviews previous work on aggregate queries over the sensor network and Section 9 concludes this work. 2 Related work There are many works that have been proposed to
Assembling Regions for Efficacious Aggregate Query
Assembling Regions for Efficacious Aggregate Query Processing in Wireless Sensor Networks by Apostolos Fertis Diploma, Electrical and Computer Engineering (2003)
Robust and Efficient Aggregate Query Processing in
2008年5月8日Wireless sensor networks have been widely used in many applications, such as soil temperature monitoring for plant growth and abnormal event detection of
Robust and efficient aggregate query processing in
2008年4月1日Robust and efficient aggregate query processing in wireless sensor networks Computer systems organization Architectures Distributed architectures
Robust and Efficient Aggregate Query Processing in
2008年4月1日Wireless sensor networks have been widely used in many applications, such as soil temperature monitoring for plant growth and abnormal event detection of
Deep learning–based real-time query processing for
2017年5月14日The data collected from wireless sensor network indicate the system status, Deep learning–based real-time query processing for wireless sensor
Query Processing Systems for Wireless Sensor Networks
2011年4月13日Wireless Sensor Networks (WSNs) have been widely used during the past few years and have wide areas of applications. In today's era, the users require a
TinyCasper: A Privacy-Preserving Aggregate Location
two main modules, in-network location anonymization and aggregate query processing over anonymized locations.Inthe first module, trusted wireless sensor nodes
TinyDB: An Acquisitional Query Processing System for Sensor
guages; H.2.4 [Database Management]: Systems—Distributed databases; query processing General Terms: Experimentation, Performance Additional Key Words and
Robust and efficient aggregate query processing in wireless
briefly overviews previous work on aggregate queries over the sensor network and Section 9 concludes this work. 2 Related work There are many works that have been proposed to investigate issues related to the data collection and query optimization in a wireless sensor network. In the TAG [12, 13], sensors are organized in a spanning
Assembling Regions for Efficacious Aggregate Query
Assembling Regions for Efficacious Aggregate Query Processing in Wireless Sensor Networks by Apostolos Fertis Diploma, Electrical and Computer Engineering (2003) submitted to the network. The query asks for an aggregate over the measurements. The propagation Such an operation requires the design of a plan that controls the
Robust and Efficient Aggregate Query Processing in Wireless
2008年5月8日Wireless sensor networks have been widely used in many applications, such as soil temperature monitoring for plant growth and abnormal event detection of industrial parameters. Among these applications, aggregate queries, such as SUM, COUNT, AVERAGE, MIN and MAX are often used to collect statistical data.
Deep learning–based real-time query processing for wireless sensor network
2017年5月14日The data collected from wireless sensor network indicate the system status, the environment status, or the health condition of human being, and we can use the wireless sensor network data to carry out appropriate work by processing it.
Deep learning–based real-time query processing for wireless sensor network
2017年5月14日The data collected from wireless sensor network indicate the system status, the environment status, or the health condition of human being, and we can use the wireless sensor network data to carry
Query Processing Systems for Wireless Sensor Networks
2011年4月13日Wireless Sensor Networks (WSNs) have been widely used during the past few years and have wide areas of applications. In today's era, the users require a sophisticated state of the art system to...
Routing and Processing Multiple Aggregate Queries in
This stone presents a query-driven approach to routing and processing continuous aggregate queries in sensor net-works. Given a query workload and a special-purpose gate-way node where results are expected, the query optimizer exploits query correlations in order to generate an energy-efficient distributed evaluation plan. The proposed opti-
Interplay of processing and routing in aggregate query
consideration in system design, as it directly impacts the lifetime of the network. Re-cent studies have shown that radio communication is signific antly more expensive than computation or sensing in most existing sensor node platforms. Hence, the main con-sideration in designing query processing algorithms is to minimize the communication
Aggregate query processing in the presence of duplicates in wireless
2015年3月10日Wireless sensor networks (WSNs) have received increasing attention in the past decade. In existing studies for query processing of WSNs, each sensor n
In-Network Processing of Skyline Join Queries in Wireless Sensor
2023年3月10日We investigate the in-network processing of a skyline join query in wireless sensor networks (WSNs). While much research was conducted on processing skyline queries in WSNs, skyline join queries were dealt with only in traditional centralized or distributed database environments. However, such techniques cannot be applied to
Energy-efficient query management scheme for a wireless sensor
2010年1月1日Minimizing the communication overhead to reduce the energy consumption is an essential consideration in sensor network applications, and existing research has mostly concentrated on data aggregation and in-network processing. However, effective query management to optimize the query aggregation plan at the gateway side is also a
Clustering spatial networks for aggregate query processing:
made by the aggregate network operations during query processing. For this purpose, different techniques based on the clustering graph model are proposed in the literature. In this work, we show that the state-of-the-art clustering graph model is not able to correctly capture the disk access costs of aggregate network operations.
The Design of an Acquisitional Query Processor For Sensor
2003年1月2日Our Aspen prototype system is the core stream query processing engine behind these applications, and we design it with the goal that it should be as generic as traditional database...
Aggregate-Query Processing in Data Warehousing
a conventional query optimizer using the approach for SPJ-type queries and views developed in [CKPS95]. 1.3 Outline of Paper Section 2 motivates our work with an example showing how an aggregate query tree can be transformed into a more efficient query tree that takes advantage of a
Robust and Efficient Aggregate Query Processing in
aggregate results under high link loss rate. In order to reduce the communication traffic that dominates the energy consumption of the sensor network, we also design an intelligent path selection algorithm for our scheme. Our extensive simulation results have shown that this technique outperforms its counterparts under various sensor network
Assembling Regions for Efficacious Aggregate Query
Assembling Regions for Efficacious Aggregate Query Processing in Wireless Sensor Networks by Apostolos Fertis Diploma, Electrical and Computer Engineering (2003) submitted to the network. The query asks for an aggregate over the measurements. The propagation Such an operation requires the design of a plan that controls the
Energy-efficient query management scheme for a wireless sensor
2010年1月1日Minimizing the communication overhead to reduce the energy consumption is an essential consideration in sensor network applications, and existing research has mostly concentrated on data aggregation and in-network processing. However, effective query management to optimize the query aggregation plan at the gateway side is also a
Deep learning–based real-time query processing for wireless sensor network
2017年5月14日The data collected from wireless sensor network indicate the system status, the environment status, or the health condition of human being, and we can use the wireless sensor network data to carry
Deep learning–based real-time query processing for wireless sensor network
2017年5月14日The data collected from wireless sensor network indicate the system status, the environment status, or the health condition of human being, and we can use the wireless sensor network data to carry out appropriate work by processing it.
Interplay of processing and routing in aggregate query
consideration in system design, as it directly impacts the lifetime of the network. Re-cent studies have shown that radio communication is signific antly more expensive than computation or sensing in most existing sensor node platforms. Hence, the main con-sideration in designing query processing algorithms is to minimize the communication
Routing and Processing Multiple Aggregate Queries in
This stone presents a query-driven approach to routing and processing continuous aggregate queries in sensor net-works. Given a query workload and a special-purpose gate-way node where results are expected, the query optimizer exploits query correlations in order to generate an energy-efficient distributed evaluation plan. The proposed opti-
Query Processing Systems for Wireless Sensor Networks
2011年4月13日Wireless Sensor Networks (WSNs) have been widely used during the past few years and have wide areas of applications. In today's era, the users require a sophisticated state of the art system to...
Clustering spatial networks for aggregate query processing:
made by the aggregate network operations during query processing. For this purpose, different techniques based on the clustering graph model are proposed in the literature. In this work, we show that the state-of-the-art clustering graph model is not able to correctly capture the disk access costs of aggregate network operations.
Aggregate-Query Processing in Data Warehousing
a conventional query optimizer using the approach for SPJ-type queries and views developed in [CKPS95]. 1.3 Outline of Paper Section 2 motivates our work with an example showing how an aggregate query tree can be transformed into a more efficient query tree that takes advantage of a
In-Network Processing of Skyline Join Queries in Wireless Sensor
2023年3月10日The baseline method of processing a query in WSNs is for each node to transmit its tuple to the sink node and for the sink node to compute the query result. Data transmission is by multi-hop wireless communication along a path from each node to the root of the routing tree.
SAMPLING BASED JOIN-AGGREGATE QUERY PROCESSING
Approximate aggregate query processing techniques presented in [1,2] provide approximate results to a simple database system. Here, when an aggregate query is being executed, a guess of the final answer is being computed One of the earliest contributions presented in the literature to design an aggregate query based AQPT is
The Design of an Acquisitional Query Processor For Sensor
2003年1月2日Our Aspen prototype system is the core stream query processing engine behind these applications, and we design it with the goal that it should be as generic as traditional database...
Wavelet-Based Least Common Ancestor Algorithm for Aggregate Query
AbstractWireless sensor network (WSN) is developed as a network of sensors, which engage in sensing and transmitting the data to the sink node. The constraints, such as energy, memory, and bandwidth insist the researchers to develop an efficient method