Efficient storage and querying of sequential patterns in database systems
Presented By:
Alexandros Nanopoulosa, , Maciej Zakrzewiczb, , Tadeusz Morzyb, and Yannis Manolopoulos


Abstract
The number of patterns discovered by data mining can become tremendous, in some cases exceeding the size of the original database. Therefore, there is a requirement for querying previously generated mining results or for querying the database against discovered patters. In this paper, we focus on developing methods for the storage and querying of la ....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 da ....etc

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QUERYING XML DATA USING SQL ....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


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Peer-to-peer computing consists of an open-ended network of distributed computational peers, where each peer shares data and services with a set of other peers, called its acquaintances. The peer-to-peer paradigm was initially popularized by file-sharing systems such as Napster and Gnutella, but its basic ideas and principles have now found their way into more critical and complex data-sharing applications like those for electronic medical records and scientific data. In such environments, data sharing poses new challenges mainly due to the lac ....etc

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Peer-to-Peer File Sharing Across Private Networks Using Proxy Servers


The Internet today is commonly used as a medium to share large size multimedia content. This sharing is carried out, a number of times, through the Peer to Peer sharing architecture rather than the conventional server-client model. The paucity of network addresses in the Internet has led to the emergence of private and global networks. Because the identity of peers in a private network remains hidden behind their global endpoint, P2P applications cannot run betwee ....etc

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This article is presented by: Bin Cui, Senior Member, IEEE, Lijiang Chen, Student Member, IEEE, Linhao Xu,
Hua Lu, Member, IEEE, 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 desirab ....etc

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Peer-to-peer computing consists of an open-ended network of distributed computational peers, where each peer shares data and services with a set of other peers, called its acquaintances. The peer-to-peer paradigm was initially popularized by file-sharing systems such as Napster and Gnutella, but its basic ideas and principles have now found their way into more critical and complex data-sharing applications like those for electronic medical records and scientific data. In such environments, data sharing poses new challenges mainly due to the lac ....etc

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Rumor Riding: Anonymizing Unstructured Peer-to-Peer Systems JAVA

ABSTRACT
Although anonymizing Peer-to-Peer (P2P) systems often incurs extra traffic costs, many systems try to mask the
identities of their users for privacy considerations. Existing anonymity approaches are mainly path-based: peers
have to pre-construct an anonymous path before transmission. The overhead of maintaining and updating such
paths is significantly high. We propose Rumor Riding (RR), a lightweight and non-path-based mutual anonymity
protocol for ....etc

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Abstract
Use of peer-to-peer technologies have been prevalent in sharing files and media over internet. This project proposes a new cooperative file sharing and storage system that allows users to store, share and find files over a robust and scalable network. This system is based on peer-to-peer technologies and provides a self-managed, decentralized, efficient, load-balanced and distributed way to store and retrieve files on peer nodes ....etc

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