Keyword Search in Databases- P1 pps

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Keyword Search in Databases- P1 pps

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Keyword Search in Databases Synthesis Lectures on Data Management Editor M.Tamer Özsu Keyword Search in Databases Jeffrey Xu Yu, Lu Qin, and Lijun Chang 2010 Copyright © 2010 by Morgan & Claypool All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted in any form or by any means—electronic, mechanical, photocopy, recording, or any other except for brief quotations in printed reviews, without the prior permission of the publisher. Keyword Search in Databases Jeffrey Xu Yu, Lu Qin, and Lijun Chang www.morganclaypool.com ISBN: 9781608451951 paperback ISBN: 9781608451968 ebook DOI 10.2200/S00231ED1V01Y200912DTM001 A Publication in the Morgan & Claypool Publishers series SYNTHESIS LECTURES ON DATA MANAGEMENT Lecture #1 Series Editor: M. Tamer Özsu Series ISSN Synthesis Lectures on Data Management ISSN pending. Keyword Search in Databases Jeffrey Xu Yu, Lu Qin, and Lijun Chang Chinese University of Hong Kong SYNTHESIS LECTURES ON DATA MANAGEMENT #1 C M & cLaypoolMorgan publishers & . Keyword Search in Databases Synthesis Lectures on Data Management Editor M.Tamer Özsu Keyword Search in Databases Jeffrey Xu Yu, Lu Qin, and Lijun Chang 2010 Copyright. reproduced, stored in a retrieval system, or transmitted in any form or by any means—electronic, mechanical, photocopy, recording, or any other except for brief quotations in printed reviews, without. quotations in printed reviews, without the prior permission of the publisher. Keyword Search in Databases Jeffrey Xu Yu, Lu Qin, and Lijun Chang www.morganclaypool.com ISBN: 9781608451951 paperback ISBN:

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Mục lục

    Schema-Based Keyword Search on Relational Databases

    Getting All MTJNTs in a Relational Database

    Getting Top-k MTJNTs in a Relational Database

    Other Keyword Search Semantics

    Graph Model and Problem Definition

    Polynomial Delay and Dijkstra's Algorithm

    Steiner Tree-Based Keyword Search

    Enumerating Q-subtrees with Polynomial Delay

    Distinct Root-Based Keyword Search

    External Memory Data Graph

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