On-line stream merging with max span and min coverage

被引：1
|
作者：
Chan, WT [1 ]
Lam, TW
Ting, HF
Wong, PWH
机构：
[1] Hong Kong Polytech Univ, Dept Comp, Kowloon, Hong Kong, Peoples R China
[2] Univ Hong Kong, Dept Comp Sci, Hong Kong, Hong Kong, Peoples R China
来源：
THEORY OF COMPUTING SYSTEMS | 2005年 / 38卷 / 04期
关键词：
Computational Mathematic; Greedy Algorithm; Competitive Ratio; Performance Guarantee; Simple Greedy Algorithm;
D O I：
10.1007/s00224-004-1182-2
中图分类号：
TP301 [理论、方法];
学科分类号：
081202 ;
摘要：
This paper introduces the notions of span and coverage for analyzing the performance of on-line algorithms for stream merging. It is shown that these two notions can solely determine the competitive ratio of any such algorithm. Furthermore, we devise a simple greedy algorithm that attains the ideal span and coverage, thus giving a better performance guarantee than existing algorithms. The new notions also allow us to obtain a tighter analysis of existing algorithms.
引用
收藏
页码：461 / 479
页数：19
相关论文
共 50 条
  • [31] Balancing sensing and coverage in mobile sensor networks: A min-max approach
    Caicedo-N, Carlos H.
    Zefran, Milos
    PROCEEDINGS OF THE 46TH IEEE CONFERENCE ON DECISION AND CONTROL, VOLS 1-14, 2007, : 5162 - 5167
  • [32] A measurement system for on-line estimation of weed coverage
    Parvis, M
    Pirola, M
    IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT, 1999, 48 (05) : 990 - 994
  • [33] On-line monitoring and optimal startup of stream turbine
    Xu, DG
    Liu, JG
    Zhai, P
    PROCEEDINGS OF THE IC-HBRSD'97, 1997, : 394 - 398
  • [34] A measurement system for on-line estimation of weed coverage
    Parvis, M
    Pirola, M
    WHERE INSTRUMENTATION IS GOING - CONFERENCE PROCEEDINGS, VOLS 1 AND 2, 1998, : 553 - 557
  • [35] On-line smoothing for scalable media stream delivery
    Gao, K
    Gao, W
    He, SM
    Zhang, Y
    VISUAL COMMUNICATIONS AND IMAGE PROCESSING 2004, PTS 1 AND 2, 2004, 5308 : 1200 - 1208
  • [36] Towards robust on-line multi-robot coverage
    Hazon, Noam
    Mieli, Fabrizio
    Kaminka, Gal A.
    2006 IEEE INTERNATIONAL CONFERENCE ON ROBOTICS AND AUTOMATION (ICRA), VOLS 1-10, 2006, : 1710 - +
  • [37] Competitive on-line coverage of grid environments by a mobile robot
    Gabriely, Y
    Rimon, E
    COMPUTATIONAL GEOMETRY-THEORY AND APPLICATIONS, 2003, 24 (03): : 197 - 224
  • [38] On-line Evaluation of a Data Cube over a Data Stream
    Yang, Woo Sock
    Lee, Won Suk
    PROCEEDINGS OF THE 8TH WSEAS INTERNATIONAL CONFERENCE ON APPLIED COMPUTER SCIENCE (ACS'08): RECENT ADVANCES ON APPLIED COMPUTER SCIENCE, 2008, : 373 - +
  • [39] On-line event detection from web news stream
    Fu, Yan
    Zhou, Ming-Quan
    Wang, Xue-Song
    Luan, Hua
    Ruan Jian Xue Bao/Journal of Software, 2010, 21 (SUPPL. 1): : 363 - 372
  • [40] Scheduling to minimize max flow time: Off-line and on-line algorithms
    Mastrolilli, M
    INTERNATIONAL JOURNAL OF FOUNDATIONS OF COMPUTER SCIENCE, 2004, 15 (02) : 385 - 401
12345