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Online Querying of Concept Hierarchies in P2P Systems
[chapter]
2008
Lecture Notes in Computer Science
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In this paper we describe HIS, a system that enables efficient storage and querying of data organized into concept hierarchies and dispersed over a network. ...
Combined with soft-state indices created after query misses, our system achieves maximization of performance by minimizing query flooding. ...
Acknowledgments This work was partly supported by the European Commission in terms of the GREDIA FP6 IST Project (FP6-34363). ...
doi:10.1007/978-3-540-88871-0_16
fatcat:3otlshwpfvb6pdoilaejylo2re
OSQR: A framework for ontology-based semantic query routing in unstructured P2P networks
2012
2012 19th International Conference on High Performance Computing
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An extensive set of simulations performed to evaluate the effectiveness of the system on P2P networks show 380% and 717% improvement in average recall rate, and 410% and 725% improvement in average precision ...
In our proposed system, the queries are routed in the network by forwarding to peers with highly relevant content in their local storages. ...
Many current P2P systems incorporate semantic web technologies in their systems with the purpose of providing better knowledge and query representations as well as efficient content discovery. ...
doi:10.1109/hipc.2012.6507486
dblp:conf/hipc/HimaliNP12
fatcat:hhzfh3rzorc6dkmjmwtmvoco2q
An adaptive online system for efficient processing of hierarchical data
2009
Proceedings of the 18th ACM international symposium on High performance distributed computing - HPDC '09
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Concept hierarchies greatly help in the organization and reuse of information and are widely used in a variety of information systems applications. ...
In this paper, we describe a method for efficiently storing and querying data organized into concept hierarchies and dispersed over a DHT. ...
In this paper, we present a system that efficiently stores, queries and updates data organized in concept hierarchies. ...
doi:10.1145/1551609.1551627
dblp:conf/hpdc/AsikiTK09
fatcat:kao5t4qc45gwllfmhnrauxlnti
Selective information dissemination in P2P networks
2003
SIGMOD record
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Acknowledgements We would like to acknowledge the comments of all members of project DIET on various aspects of our work. ...
In this way, each super-peer has a profile hierarchy to organize the process of profile forwarding. Additionally, the system supports the typical ad-hoc query scenario. ...
The main application scenario considered in recent P2P data sharing systems is that of ad-hoc querying: a user poses a query (e.g., "I want MP3s with Jennifer Lopez") and the system returns a list of pointers ...
doi:10.1145/945721.945736
fatcat:ca3q75yaofcpxpefard4hlyi4e
Managing Linguistic Data Summaries in Advanced P2P Applications
[chapter]
2009
Handbook of Peer-to-Peer Networking
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As the amount of stored data increases, data localization techniques become no longer sufficient in P2P systems. ...
The novelty of this proposal relies on the double summary exploitation in distributed P2P systems. First, as semantic indexes, they support locating relevant nodes based on their data descriptions. ...
Obviously, data summarization is of higher importance in P2P systems. ...
doi:10.1007/978-0-387-09751-0_20
fatcat:fsbeo6paq5bnjlgltuze6zayfu
Special issue on information dissemination and new services in P2P systems
2010
Peer-to-Peer Networking and Applications
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By exploiting the concepts of hierarchy and semantics, PSON has been demonstrated to support complex queries in a scalable and efficient way. ...
., attacks the problem of scalability, routing efficiency and complex query support for a P2P file sharing system. ...
doi:10.1007/s12083-010-0095-x
fatcat:fg4vbytkrzf7tgosocdt3sw4y4
Optimization Research of the OLAP Query Technology Based on P2P
2014
TELKOMNIKA (Telecommunication Computing Electronics and Control)
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The node in the P2P system is both client and server. In an ideal P2P system, each node can acquire the same rights and obligations, equality exchange data and provide services. ...
Using the method of P2P network technology and OLAP storage query and query method, the paper has constructed a distributed P2P-OLAP network model and the model distributed stores the data and centralized ...
In recent years, with the study of P2P network technology in-depth, P2P-OLAP model is more suitable for the deployment and implementation of OLAP query system. ...
doi:10.12928/telkomnika.v12i4.436
fatcat:d5zztg7vyfcnrkkxwlto6uf6dm
On Peer-to-Peer Multimedia Content Access and Distribution
2006
2006 IEEE International Conference on Multimedia and Expo
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This paper provides a brief overview of recent progress of peer-to-peer (P2P) technologies for multimedia applications. ...
We provide an overview of the technical challenges, creative solutions and results related to P2P file sharing and content search, and P2P media streaming. ...
In partially decentralized systems (also called hybrid P2P systems in the literature), there exists a hierarchy of leaf nodes and supernodes as a tradeoff to meet the requirement of scalability and search ...
doi:10.1109/icme.2006.262469
dblp:conf/icmcs/LiuYKM06
fatcat:kztd7o2gcfe4lawdxhn4rzo7yu
Design of a Novel Intelligent Framework for Finding Experts and Learning Peers in Open Knowledge Communities
2015
EAI Endorsed Transactions on Future Intelligent Educational Environments
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However, with the rapid expanding of learning content resources and users, it is difficult for learners to find the right persons they need as knowledge experts and learning peers in OKCs using traditional ...
After describing the architectural details of the framework, the authors elaborate on the intelligent framework design, the work principle, and mechanism of each module. ...
This paper is therefore also supported by the Oriental Scholar Program of Shanghai Municipal Education Committee (TPKY052WMJ). ...
doi:10.4108/fiee.1.2.e4
fatcat:jsfr7egwzjh7nfxdf46yivia74
Agreement Maintenance Based on Schema and Ontology Change in P2P Environment
[article]
2010
arXiv
pre-print
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The contribution of this research is to develop a framework based on semantic agreement maintenance approach for P2P environment. ...
The experiment on the job matching domain in Indonesia have been done to show how far the performance of the approach. ...
The other approach is working in XML p2p database systems [4] . This approach presented a novel technique for detecting corrupted mappings in XML p2p data integration systems. ...
arXiv:1003.3082v1
fatcat:wg3zps4gmzhclgp3adxp2g7wlm
BSI: Bloom Filter-Based Semantic Indexing for Unstructured P2P Networksh
2015
International Journal of Peer to Peer Networks
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Most existing P2P systems rely on indexing to efficiently route queries over the network. However, searches based on such indices face two key issues. ...
Resource management and search is very important yet challenging in large-scale distributed systems like P2Pnetworks. ...
with state-of-art unstructured P2P systems. ...
doi:10.5121/ijp2p.2015.6102
fatcat:gnsjjkifnbhuve4gyid6vg4tva
CISS: An efficient object clustering framework for DHT-based peer-to-peer applications
2007
Computer Networks
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In most DHT-based peer-to-peer systems, objects are totally declustered since such systems use a hash function to distribute objects evenly. ...
However, such an object de-clustering can result in significant inefficiencies in advanced access operations such as multi-dimensional range queries, continuous updates, etc, which are common in many emerging ...
[13] proposed an online scheme to balance storage space taken by peer nodes in the context of P2P databases. ...
doi:10.1016/j.comnet.2006.07.005
fatcat:3bgq7utnkja7bidts6aa2halkm
A framework for distributed knowledge management: Design and implementation
2010
Future generations computer systems
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We present an implementation of the designed framework in the K-link+ system and show the suitability of this approach through a use case. ...
The evaluation of K-link+ in a real network is also discussed. ...
Current approaches to consistency management in P2P networks depend on the scale of the system. ...
doi:10.1016/j.future.2009.06.004
fatcat:i3h2bwm5qfa37o3z766hqo5uxm
Distributing and searching concept hierarchies: an adaptive DHT-based system
2010
Cluster Computing
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Concept hierarchies greatly help in the organization and reuse of information and are widely used in a variety of information systems applications. ...
In this paper, we describe a method for efficiently storing and querying data organized into concept hierarchies and dispersed over a DHT. ...
Acknowledgements We would like to thank the administration team of the CESGA EGEE Accounting Portal [1] , who kindly provided us real data regarding the usage of their portal. ...
doi:10.1007/s10586-010-0136-5
fatcat:5iqz6lak7bdk5fmjuvnmj4hoye
Peer to Peer Networks Management Survey
[article]
2012
arXiv
pre-print
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Peer-to-Peer systems are based on the concept of resources localization and mutualisation in dynamic context. ...
The resource discovery problem arises in the context of peer to peer (P2P) networks, where at any point of time a peer may be placed at or removed from any location over a general purpose network. ...
ABC can achieve each query within O( n n . log . log ) log( ) hops in the structured P2P system, where n is the total number of nodes in the system. ...
arXiv:1203.3351v1
fatcat:rn2p72niznav3ox3mtzqecze4i
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