ngrams-loader: Ngrams loader based on http://www.ngrams.info format

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Ngrams loader based on http://www.ngrams.info format


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Versions [RSS] 0.1.0.0, 0.1.0.1
Dependencies attoparsec (>=0.11.1 && <0.11.2), base (>=4.6 && <4.7), machines (>=0.2.5 && <0.3), mtl, ngrams-loader, parseargs (>=0.1.5 && <0.1.6), resourcet (>=0.4.3 && <0.5), sqlite-simple (>=0.4.5 && <0.5), text (>=0.11 && <1.2) [details]
Tested with ghc ==7.6.3
License MIT
Copyright Copyright (C) 2014 Yorick Laupa
Author Yorick Laupa
Maintainer Yorick Laupa <yo.eight@gmail.com>
Category Data
Home page http://github.com/YoEight/ngrams-loader
Bug tracker https://github.com/YoEight/ngrams-loader/issues
Source repo head: git clone git://github.com/YoEight/ngrams-loader.git
Uploaded by YorickLaupa at 2014-03-25T09:40:50Z
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Reverse Dependencies 1 direct, 0 indirect [details]
Executables ngrams-loader
Downloads 1853 total (11 in the last 30 days)
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Status Docs available [build log]
Successful builds reported [all 1 reports]

Readme for ngrams-loader-0.1.0.1

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ngrams-loader

Ngrams loader based on http://www.ngrams.info format

Build Status

Installation

Supposed you have at least cabal 1.18 installed

$ cabal sandbox init
$ cabal install --only-dependencies
$ cabal configure
$ cabal install

-- program located in ~/.cabal-sandbox/bin

Usage

usage: ngrams-loader [options] <n-grams file> <SQLite file>
  [-2,--bigram]     Parses bigrams
  [-3,--trigram]    Parses trigrams
  [-4,--quadgram]   Parses 4-grams
  [-5,--pentagram]  Parses 5-grams
  [-c,--create]     Creates table before inserts
  <n-grams file>    N-grams file
  <SQLite file>     SQlite db file

Example

ngrams-loader --bigram --create w2.txt bigram.db

It parses each line of w2.txt as a bigram, create bigram table before performing inserts and saves everything in bigram.db

Figures

Specs

  • Core i7 3770 @ 3.4GHz
  • Gentoo with 3.12.13 Linux kernel (64bits)
  • 1.055.386 lines bigram file

ngrams-loader --bigram --create w2.txt bigram.db gets

real	0m16.244s
user	0m15.597s
sys	  0m0.143s

Sql Schemas

Bigram

create table bigrams(
  frequence int,
  word1 varchar(100),
  word2 varchar(100)
);

Trigram

create table tridgrams(
  frequence int,
  word1 varchar(100),
  word2 varchar(100),
  word3 varchar(100)
);

4-gram

create table quadgrams(
  frequence int,
  word1 varchar(100),
  word2 varchar(100),
  word3 varchar(100),
  word4 varchar(100)
);

5-gram

create table pentagrams(
  frequence int,
  word1 varchar(100),
  word2 varchar(100),
  word3 varchar(100),
  word4 varchar(100),
  word5 varchar(100)
);