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FEHC - Fast and Effective Histogram Construction

FEHC is a program to evaluate the efficiency and effectiveness of several histogram construction (or sequence segmentation) algorithms as mentioned in these two papers:

(1). Felix Halim, Panagiotis Karras, Roland H. C. Yap: Fast and effective histogram construction. CIKM 2009.

(2). Felix Halim, Panagiotis Karras, Roland H. C. Yap: Local Search in Histogram Construction. AAAI 2010.

For more information please visit the website:

http://felix-halim.net/research/histogram/index.php

How to run the program

  1. Compile all the source codes. Go to the folder where the "makefile" resides and type:

    make

    It will compile all the source codes and put in the executables in the bin folder

  2. Run the algorithm by feeding the input to its standard input and specify the input parameter for the program. For example, to run the GDY algorithm on "winding" dataset, type:

    ./gdy_dp -B 16 -I 8 < data/winding1.in

    The available parameters to the program are:

    -B to specify how many buckets to generate (mandatory)

    -e to specify the epsilon for the AHistL program

    -I to specify the number of iterations for GDY_DP and GDY_BDP

LICENSE

Copyright (C) 2009-2012 Felix Halim

FEHC is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation version 3 of the License.

FEHC is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License http://www.gnu.org/licenses/ for more details.

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