Extremely Fast Text Feature Extraction for Classification and Indexing


 
Thread Tools Search this Thread
Special Forums News, Links, Events and Announcements UNIX and Linux RSS News Extremely Fast Text Feature Extraction for Classification and Indexing
# 1  
Old 08-22-2008
Extremely Fast Text Feature Extraction for Classification and Indexing

HPL-2008-91R1 Extremely Fast Text Feature Extraction for Classification and Indexing - Forman, George; Kirshenbaum, Evan
Keyword(s): text mining, text indexing, bag-of-words, feature engineering, feature extraction, document categorization, text tokenization
Abstract: Most research in speeding up text mining involves algorithmic improvements to induction algorithms, and yet for many large scale applications, such as classifying or indexing large document repositories, the time spent extracting word features from texts can itself greatly exceed the initial trainin ...
Full Report

More...
Login or Register to Ask a Question

Previous Thread | Next Thread

6 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

Text extraction

Dear All, I am trying to extract text from a file containing cron entries. cat /var/tmp/cron_backups/debmed_tmp < * * * * * /bell > * * * * * /belly what I am trying to do is create two text files containing all entries that begin with < and another text files containing entries with > .... (4 Replies)
Discussion started by: Junaid Subhani
4 Replies

2. Shell Programming and Scripting

sed text extraction between 2 patterns using variables

Hi everyone! I'm writting a function in .bashrc to extract some text from a file. The file looks like this: " random text Begin CG step 1 random text Begin CG step 2 ... Begin CG step 100 random text" For a given number, let's say 70, I want all the text between "Begin CG... (4 Replies)
Discussion started by: radudownload
4 Replies

3. UNIX for Dummies Questions & Answers

fast sequence extraction

Hi everyone, I have a large text file containing DNA sequences in fasta format as follows: >someseq GAACTTGAGATCCGGGGAGCAGTGGATCTC CACCAGCGGCCAGAACTGGTGCACCTCCAG GCCAGCCTCGTCCTGCGTGTC >another seq GGCATTTTTGTGTAATTTTTGGCTGGATGAGGT GACATTTTCATTACTACCATTTTGGAGTACA >seq3450... (4 Replies)
Discussion started by: Fahmida
4 Replies

4. Programming

Fast string removal from large text collection

Hi All, I don't want any codes for this problem. Just suggestions: I have a huge collection of text files (around 300,000) which look like this: 1.fil orange apple dskjdsk computer skjks The entire text collection (referenced above) has about 1 billion words. I have created... (1 Reply)
Discussion started by: shoaibjameel123
1 Replies

5. UNIX for Dummies Questions & Answers

String extraction from a text file

The following script code works great for extracting 'postmaster' from a line of text stored in a variable named string: string="PenaltyError:=554 5.7.1 Error, send your mail to postmaster@LOCALDOMAIN" stuff=$( echo $string | cut -d@ -f1 | awk '{ print $NF }' ) echo $stuff However, I need to be... (9 Replies)
Discussion started by: cleanden
9 Replies

6. Shell Programming and Scripting

extraction of perfect text from file.

Hi All, I have a file of the following format. <?xml version='1.0' encoding='utf-8'?> <tomcat-users> <role rolename="tomcat"/> <role rolename="role1"/> <role rolename="manager"/> <role rolename="admin"/> <user username="tomcat" password="tomcat" roles="tomcat"/> <user... (5 Replies)
Discussion started by: nua7
5 Replies
Login or Register to Ask a Question
XmTextSetHighlight(3X)													    XmTextSetHighlight(3X)

NAME
XmTextSetHighlight - A Text function that highlights text SYNOPSIS
#include <Xm/Text.h> void XmTextSetHighlight (widget, left, right, mode) Widget widget; XmTextPosition left; XmTextPosition right; XmHighlightMode mode; DESCRIPTION
XmTextSetHighlight highlights text between the two specified character positions. The mode parameter determines the type of highlighting. Highlighting text merely changes the visual appearance of the text; it does not set the selection. Specifies the Text widget ID Specifies the position of the left boundary of text to be highlighted. This is an integer number of characters from the beginning of the text buffer. The first character position is 0. Specifies the position of the right boundary of text to be highlighted. This is an integer number of characters from the beginning of the text buffer. The first character position is 0. Specifies the type of highlighting to be done. A value of XmHIGHLIGHT_NORMAL removes highlighting. A value of XmHIGHLIGHT_SELECTED highlights the text using reverse video. A value of XmHIGHLIGHT_SECONDARY_SELECTED highlights the text using underlining. For a complete definition of Text and its associated resources, see XmText(3X). SEE ALSO
XmText(3X) XmTextSetHighlight(3X)