Keyword based search in peer to peer networks

... times more routing messages) In order to avoid this problem, a redirection pointer linking to the actual indexing peer is maintained by every related peer when indexing the item In [27], Ganesan ... over XML data 2.1 Peer- to -Peer Networks Peer- to -Peer (P2P) systems are becoming the key paradigm in information sharing and retrieval today In a P2P network, a number...

Ngày tải lên: 11/09/2015, 09:02

... performance In our paper, we concentrate on the performance optimization only for the delay-tolerant and contentionbased applications runs in IEEE 802.16 networks, in the assumption of fixed and ... (QoS) performance in IEEE 802.16 networks A polling-request-grant mechanism is defined in IEEE 802.16 MAC for efficient bandwidth allocation in uplink channel...

Ngày tải lên: 21/06/2014, 23:20

... also in gathering the place ranking and the stand ranking obtains the global ranking Has in one disperses the system fully in the PageRank approximation work, each of the same generation is autonomous, ... example: 41 Research on Node Ranking – Peer to Peer … Image 4.2.5: Graph example - nodes the transition Matrix Ranking value by using Pagerank-Formula: 42 Hoàng Cường...

Ngày tải lên: 20/11/2012, 11:36

... a large amount of Internet bandwidth IP video is now emerging, and for broadcast quality digital video, multiple megabits of data are used per stream Combine the two, and P2P IP video could overwhelm ... anticipated and managed Localizing IP video should lower core bandwidth usage, and this lowering was quantified by simulations here Localized P2P video can oft...

Ngày tải lên: 21/06/2014, 23:20

... of PDMS Indexes (either local index or distributed index) are built to facilitate query processing A MetaStore is created to maintain the information of schema mapping, indexing and data distribution ... 2 Query Processing in Peer- to -Peer Based Data Management System Sai Wu School of Computing National University of Singapore Summary In last ten years, we have...

Ngày tải lên: 10/09/2015, 15:49

... patterns shift from linear to non- linear and from continuous to non- continuous Designing P2P streaming systems that can support non- linear and non- continuous access patterns well remains a problem ... A peer B peer C (a) A linear access pattern peer A peer B peer C (b) A non- linear access pattern p2 p1 peer A (c) A non- continuous acce...

Ngày tải lên: 10/09/2015, 09:30

... efficiently disseminating dynamic data in a P2P caching system Peers maintain their cached data consistency by participating in the framework PeerCast combines application-level multicasting techniques ... parent peer initiates to invoke the peer to download the data from the parent peer by sending a message to the child peer We further divide the data manage...

Ngày tải lên: 04/10/2015, 17:06

... investigation into the application of task- based approach to teaching English grammar at HUI, Nghe An Branch The task- based approach might come as an effective teaching method for the language ... of the task- based approach in teaching English grammar at HUI? What are the students’ attitudes towards applying the task- based...

Ngày tải lên: 18/12/2013, 10:29

... in applying TBI in teaching reading Table 4.9 Teachers’ frequency of applying TBI in teaching reading Table 4.10 Teachers’ reasons of choosing or avoiding TBI in teaching reading Table 4.11 Students ... experiences in applying TBI in teaching reading Chart 4.8 Teachers’ frequency of applying TBI in teaching reading Chart 4.9 Teachers’ reasons of choo...

Ngày tải lên: 18/12/2013, 10:29

... VÂN Volume The Study IN SEARCH OF SOLUTIONS TO IMPROVING THE ENGLISH LANGUAGE PROFICIENCY FOR UNDER- GRADUATE STUDENTS AT THE COLLEGE OF TECHNOLOGY (COT) VIETNAM NATIONAL UNIVERSITY, HANOI NGHIÊN ... this aim, the thesis sets the following objectives for investigation + To investigate the current state of the teaching and learni...

Ngày tải lên: 05/02/2014, 21:52

... the lecture Just-in-Time Retrieval Systems The first precursors to the ACLD were the Fixit query-free search system (Hart and Graham, 1997), the Remembrance Agent for just-in-time retrieval (Rhodes ... best of our knowledge, the first just-in-time retrieval system to use spontaneous speech and to support access to multimedia documents and web pages, using a robust semantic s...

Ngày tải lên: 07/03/2014, 22:20

... performed a training wit.la only 000 sentences out of the training corpus For this training condition, the word error rate went up only slightly, namely from 5.15} (for 80,000 training sentences) ... "HMM Based Word Alignment in Statistical Translation" In Proc of the 16~h Inf Conf on Computational Linguistics pp 836-841 Copenhagen, August D Wu 1996 "'A Polynomial-Time Algorithm for...

Ngày tải lên: 17/03/2014, 23:20

... on breast cancer incidence and case fatality among large and growing immigrant populations and their daughters in Sweden and among native Swedes Materials and methods Database The cohort was built ... decreasing breast cancer case fatality over the last decades in native Swedes and immigrants but not in immigrants’ daughters We found disparities in...

Ngày tải lên: 29/03/2014, 01:20

... Challenges in access to health services and its impact on Quality of Life: a randomised population-based survey within Turkish speaking immigrants in London Kenan Topal1, Erhan Eser2, Ismail ... The aim of this study was to explore the ongoing challenges in access to health care services and its impact on Quality of Life...

Ngày tải lên: 20/06/2014, 16:20

... A novel algorithm to form stable clusters in vehicular ad hoc networks on highways Zaydoun Y Rawashdeh∗ and Syed Masud Mahmud Electrical and Computer Engineering Department Wayne State University, ... (QoS) guarantee This includes Multimedia (e.g.,audio/video) and data (e.g., toll collection, internet access, weather/maps/information) applications Vehicular ad h...

Ngày tải lên: 20/06/2014, 20:20