Connected Sensor Cover: Self-Organization of Sensor Networks for Efficient Query Execution (Java)
IEE/ACM Transactions on Networking, Vol. 14, No. 1

Abstract:
Spatial query execution is an essential functionality of a sensor network, where a query gathers sensor data within a specific geographic region. Redundancy within a sensor network can be exploited to reduce the communication cost incurred in execution of such queries. Any reduction in communication cost would result in an efficient use of the battery energy, which is ....etc

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This article is presented by: Bin Cui, Senior Member, IEE, Lijiang Chen, Student Member, IEE, Linhao Xu,
Hua Lu, Member, IEE, Guojie Song, and Quanqing Xu



ABSTRACT


PEER-TO-PEER (P2P) computing systems have been thought of as a powerful paradigm for data sharing, and peerbased data management has attracted increasing interest from the database and information retrieval communities recently. Due to its desirable features like low depl ....etc

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Inter-query Parallelism
It is a form of parallelism where many different Queries or Transactions are executed in parallel with one another on many processors.
Advantages
It increases Transaction Throughput. That is, number of transactions executed in a given time can be increased.
It scales up the Transaction processing system. Hence, best suited for On-Line Transaction Processing (OLTP) systems.
Supported Parallel Database Architectures
It is easy to implement in Shared Memory Parallel System. Lock tables and Log information are maintained in ....etc

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Abstract In unstructured peer-to-peer networks, the average response latency and traffic cost of a query are two main performance metrics. Controlled-flooding resource query algorithms are widely used in unstructured networks such as peer-to-peer networks. In this paper, we propose a novel algorithm named Selective Dynamic Query (SDQ). Based on mathematical programming, SDQ calculates the optimal combination of an integer TTL value and a set of neighbors to control the scope of the next query. Our results demonstrate that SDQ provides finer gr ....etc

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EFFECTIVE AND EFFICIENT QUERY PROCESSING FOR VIDEO SUBSEQUENCE IDENTIFICATION

ABSTRACT

This paper presents a graph transformation and matching approach to identify the occurrence of potentially different ordering or length due to content editing. With a novel batch query algorithm to retrieve similar frames, the mapping relationship between the query and database video is first represented by a bipartite graph. The densely matched parts along the long sequence are then extracted, followed by a filt ....etc

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Efficient Approximate Query Processing in Peer-to-Peer Networks

Abstract Peer-to-peer (P2P) databases are becoming prevalent on the Internet for distribution and sharing of documents, applications, and other digital media. The problem of answering large-scale ad hoc analysis queries, for example, aggregation queries, on these databases poses unique challenges. Exact solutions can be time consuming and difficult to implement, given the distributed and dynamic nature of P2P databases. In this paper, we present novel sampling-based techniques ....etc

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EVOLUTION OF PEER TO PEER DOWNLOADING
PEER TO PEER NETWORK
What is a peer to peer network?
A peer to peer network is a network that relies on the computing power & bandwidth of the participants on the network.
P2p networks are typically used for connecting nodes via largely ad_hoc connections.
Such networks are useful for sharing content files containing audio,video ,data & anything in digital format.


File Download / TransferTraditional Client-Server Downloading

Peer to peer file sharing


Tra ....etc

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Index Distribution Technique for Efficient Search on Unstructured Peer-to-Peer Networks
Resource indexing is an effective technique for fast, successful_ search on decentralized, unstructured peer-topeer (P2P) networks. An_ index is a summary of resources owned by a node, and is distributed_ over the P2P network; any node having the index can answer queries on_ the location of the resources. While more thoroughly distributed _ indices can make queries answered more quickly with a small hop count,_ in large-scale networks, such a scheme ....etc

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Approximate Minimum Energy Multicasting in Wireless Ad-Hoc Networks (VC++)
IEE Transactions on Mobile Computing, Vol. 5,

Abstract:
A wireless ad hoc network consists of mobile nodes that are equipped with energy-limited batteries. As mobile nodes are battery-operated, an important issue in such a network is to minimize the total power consumption for each operation. Multicast is one of fundamental operations in any modern telecommunication network including wireless ad hoc networks. Given a multicast request consisting of a source ....etc

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Spatial Data Query Support in Peer-to-Peer Systems



Motivation

Spatial data sets are used for many applications, e.g., GIS, CAD,
P2P systems provide a distributed platform that is very scalable.
Pros:
Scalability, no central point of failure
Cons:
Very dynamic (unreliable), topology maintenance required

Distributed Hash Tables (DHT)

DHT systems: Content Addressable Network (CAN), Chord, Pastry, etc.
Using DHT to allocate large data sets to many nodes with no ....etc

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