diff options
Diffstat (limited to 'corpus/support')
| -rw-r--r-- | corpus/support/README | 2 | ||||
| -rwxr-xr-x | corpus/support/fix-contract.pl | 10 | ||||
| -rwxr-xr-x | corpus/support/quote-norm.pl | 64 | ||||
| -rw-r--r-- | corpus/support/token_list | 212 | ||||
| -rw-r--r-- | corpus/support/token_patterns | 3 | ||||
| -rwxr-xr-x | corpus/support/tokenizer.pl | 717 | ||||
| -rwxr-xr-x | corpus/support/utf8-normalize.sh | 36 |
7 files changed, 1044 insertions, 0 deletions
diff --git a/corpus/support/README b/corpus/support/README new file mode 100644 index 00000000..fdbd523e --- /dev/null +++ b/corpus/support/README @@ -0,0 +1,2 @@ +Run ./tokenize.sh to tokenize text +Edit eng_token_patterns and eng_token_list to add rules for things not to segment diff --git a/corpus/support/fix-contract.pl b/corpus/support/fix-contract.pl new file mode 100755 index 00000000..f1e191ab --- /dev/null +++ b/corpus/support/fix-contract.pl @@ -0,0 +1,10 @@ +#!/usr/bin/perl -w +use strict; +while(<>) { + #s/ (pre|anti|re|pro|inter|intra|multi|e|x|neo) - / $1- /ig; + #s/ - (year) - (old)/ -$1-$2/ig; + s/ ' (s|m|ll|re|d|ve) / '$1 /ig; + s/n ' t / n't /ig; + print; +} + diff --git a/corpus/support/quote-norm.pl b/corpus/support/quote-norm.pl new file mode 100755 index 00000000..0c5b9c26 --- /dev/null +++ b/corpus/support/quote-norm.pl @@ -0,0 +1,64 @@ +#!/usr/bin/perl -w +use strict; +use utf8; +binmode(STDIN,"utf8"); +binmode(STDOUT,"utf8"); +while(<STDIN>) { + chomp; + $_ = " $_ "; + s/&\s*lt\s*;/</gi; + s/&\s*gt\s*;/>/gi; + s/&\s*squot\s*;/'/gi; + s/&\s*quot\s*;/"/gi; + s/&\s*amp\s*;/&/gi; + s/ (\d\d): (\d\d)/ $1:$2/g; + s/[\x{20a0}]\x{20ac}]/ EUR /g; + s/[\x{00A3}]/ GBP /g; + s/(\W)([A-Z]+\$?)(\d*\.\d+|\d+)/$1$2 $3/g; + s/(\W)(euro?)(\d*\.\d+|\d+)/$1EUR $3/gi; + s/&\s*#45\s*;\s*&\s*#45\s*;/--/g; + s/&\s*#45\s*;/--/g; + s/ ,,/ "/g; + s/``/"/g; + s/''/"/g; + s/〃/"/g; + s/¨/"/g; + s/¡/ ¡ /g; + s/¿/ ¿ /g; + s/ˇ/'/g; + s/´/'/g; + s/`/'/g; + s/’/'/g; + s/ ́/'/g; + s/‘/'/g; + s/ˉ/'/g; + s/β/ß/g; # WMT 2010 error + s/“/"/g; + s/”/"/g; + s/«/"/g; + s/»/"/g; + tr/！-～/!-~/; + s/、/,/g; + s/。/./g; + s/…/.../g; + s/―/--/g; + s/–/--/g; + s/─/--/g; + s/—/--/g; + s/•/ * /g; + s/\*/ * /g; + s/،/,/g; + s/؟/?/g; + s/ـ/ /g; + s/à ̄/i/g; + s/’/'/g; + s/â€"/"/g; + s/؛/;/g; + + s/\s+/ /g; + s/^\s+//; + s/\s+$//; + s/[\x{00}-\x{1f}]//g; + print "$_\n"; +} + diff --git a/corpus/support/token_list b/corpus/support/token_list new file mode 100644 index 00000000..28eb4396 --- /dev/null +++ b/corpus/support/token_list @@ -0,0 +1,212 @@ +##################### hyphenated words added by Fei since 3/7/05 +##X-ray + +##################### words made of punct only +:- +:-) +:-( ++= +-= +.= +*= +>= +<= +== +&& +|| +=> +-> +<- +:) +:( +;) + +#################### abbr added by Fei +oz. +fl. +tel. +1. +2. +3. +4. +5. +6. +7. +8. +9. +10. + +##################### abbreviation: words that contain period. +U.A.E +Ala. +Ph.D. +min. +max. +z.B. +d.h. +ggf. +ca. +bzw. +bzgl. +Eng. +i.e. +a.m. +am. +A.M. +Apr. +Ariz. +Ark. +Aug. +B.A.T. +B.A.T +Calif. +Co. +Conn. +Corp. +Cos. +D.C. +Dec. +Dept. +Dr. +Drs. +Feb. +Fla. +Fri. +Ga. +Gen. +gen. +GEN. +Gov. +Govt. +Ill. +Inc. +Jan. +Jr. +Jul. +Jun. +Kan. +L.A. +Lieut. +Lt. +Ltd. +Ma. +Mar. +Mass. +Md. +Mfg. +Mgr. +Mexican-U.S. +Mich. +Minn. +Mo. +Mon. +Mr. +Mrs. +Ms. +Mt. +N.D. +Neb. +Nev. +No. +Nos. +Nov. +Oct. +Okla. +Op. +Ore. +Pa. +p.m +p.m. +I.B.C. +N.T.V +Pres. +Prof. +Prop. +Rd. +Rev. +R.J. +C.L +Rte. +Sat. +W.T +Sen. +Sep. +Sept. +Sgt. +Sr. +SR. +St. +Ste. +Sun. +Tenn. +Tex. +Thu. +Tue. +Univ. +Va. +Vt. +Wed. +approx. +dept. +e.g. +E.G. +eg. +est. +etc. +ex. +ext. +ft. +hon. +hr. +hrs. +lab. +lb. +lbs. +mass. +misc. +no. +nos. +nt. +para. +paras. +pct. +prod. +rec. +ref. +rel. +rep. +sq. +st. +stg. +vol. +vs. +U.S. +J.S. +U.N. +u.n. +A. +B. +C. +D. +E. +F. +G. +H. +I. +J. +K. +L. +M. +N. +O. +P. +Q. +R. +S. +T. +U. +V. +W. +X. +Y. +Z. diff --git a/corpus/support/token_patterns b/corpus/support/token_patterns new file mode 100644 index 00000000..c0e6fe1a --- /dev/null +++ b/corpus/support/token_patterns @@ -0,0 +1,3 @@ +/^(al|el|ul|e)\-[a-z]+$/ +/^(\d+)\.$/ + diff --git a/corpus/support/tokenizer.pl b/corpus/support/tokenizer.pl new file mode 100755 index 00000000..23be00a5 --- /dev/null +++ b/corpus/support/tokenizer.pl @@ -0,0 +1,717 @@ +#!/usr/bin/env perl + +my $script_dir; +BEGIN {$^W = 1; use Cwd qw/ abs_path /; use File::Basename; $script_dir = dirname(abs_path($0)); push @INC, $script_dir; } + +use strict; +use utf8; + +binmode STDIN, ":utf8"; +binmode STDOUT, ":utf8"; +binmode STDERR, ":utf8"; + +my $debug = 0; + + +############ options: +### for all options: +### 0 means no split on that symbol +### 1 means split on that symbol in all cases. +### 2 means do not split in condition 1. +### n means do not split in any of the conditions in the set {1, 2, ..., n-1}. + + +### prefix +## for "#": #90 +my $Split_On_SharpSign = 2; # 2: do not split on Num, e.g., "#90" + + +############## "infix" +my $Split_On_Tilde = 2; # 2: do not split on Num, e.g., "12~13". + +my $Split_On_Circ = 2; # 2: do not split on Num, e.g, "2^3" + +## for "&" +my $Split_On_AndSign = 2; # 2: do not split on short Name, e.g., "AT&T". + +## for hyphen: 1990-1992 +my $Split_On_Dash = 2; ## 2: do not split on number, e.g., "22-23". +my $Split_On_Underscore = 0; ## 0: do not split by underline + +## for ":": 5:4 +my $Split_On_Semicolon = 2; ## 2: don't split for num, e.g., "5:4" + +########### suffix +## for percent sign: 5% +my $Split_On_PercentSign = 1; ## 2: don't split num, e.g., 5% + +############# others +## for slash: 1/4 +my $Split_On_Slash = 2; ## 2: don't split on number, e.g., 1/4. +my $Split_On_BackSlash = 0; ## 0: do not split on "\", e.g., \t + +### for "$": US$120 +my $Split_On_DollarSign = 2; ### 2: US$120 => "US$ 120" + ### 1: US$120 => "US $ 120" +## for 's etc. +my $Split_NAposT = 1; ## n't +my $Split_AposS = 1; ## 's +my $Split_AposM = 1; ## 'm +my $Split_AposRE = 1; ## 're +my $Split_AposVE = 1; ## 've +my $Split_AposLL = 1; ## 'll +my $Split_AposD = 1; ## 'd + + +### some patterns +my $common_right_punc = '\.|\,|\;|:|\!|\?|\"|\)|\]|\}|\>|\-'; + +#### step 1: read files + +my $workdir = $script_dir; +my $dict_file = "$workdir/token_list"; +my $word_patt_file = "$workdir/token_patterns"; + +open(my $dict_fp, "$dict_file") or die; + +# read in the list of words that should not be segmented, +## e.g.,"I.B.M.", co-operation. +my %dict_hash = (); +my $dict_entry = 0; +while(<$dict_fp>){ + chomp; + next if /^\s*$/; + s/^\s+//; + s/\s+$//; + tr/A-Z/a-z/; + $dict_hash{$_} = 1; + $dict_entry ++; +} + +open(my $patt_fp, "$word_patt_file") or die; +my @word_patts = (); +my $word_patt_num = 0; +while(<$patt_fp>){ + chomp; + next if /^\s*$/; + s/^\s+//; + s/\s+$//; + s/^\/(.+)\/$/$1/; # remove / / around the pattern + push(@word_patts, $_); + $word_patt_num ++; +} + + +###### step 2: process the input file +my $orig_token_total = 0; +my $deep_proc_token_total = 0; +my $new_token_total = 0; + +my $line_total = 0; +my $content_line_total = 0; + +while(<STDIN>){ + chomp(); + + $line_total ++; + if ($line_total % 100000 == 0) { print STDERR " [$line_total]\n"; } + elsif ($line_total % 2500 == 0) { print STDERR "."; } + + if(/^(\[b\s+|\]b|\]f|\[f\s+)/ || (/^\[[bf]$/) || (/^\s*$/) || /^<DOC/ || /^<\/DOC/) { + ## markup + print STDOUT "$_\n"; + next; + } + + $content_line_total ++; + + my $orig_num = 0; + my $deep_proc_num = 0; + + my $new_line = proc_line($_, \$orig_num, \$deep_proc_num); + + $orig_token_total += $orig_num; + $deep_proc_token_total += $deep_proc_num; + + $new_line =~ s/\s+$//; + $new_line =~ s/^\s+//; + my @parts = split(/\s+/, $new_line); + $new_token_total += scalar @parts; + + $new_line =~ s/\s+/ /g; +# fix sgm-markup tokenization + $new_line =~ s/\s*<\s+seg\s+id\s+=\s+(\d+)\s+>/<seg id=$1>/; + $new_line =~ s/\s*<\s+(p|hl)\s+>/<$1>/; + $new_line =~ s/\s*<\s+\/\s+(p|hl|DOC)\s+>/<\/$1>/; + $new_line =~ s/<\s+\/\s+seg\s+>/<\/seg>/; + if ($new_line =~ /^\s*<\s+DOC\s+/) { + $new_line =~ s/\s+//g; + $new_line =~ s/DOC/DOC /; + $new_line =~ s/sys/ sys/; + } + if ($new_line =~ /^\s*<\s+(refset|srcset)\s+/) { + $new_line =~ s/\s+//g; + $new_line =~ s/(set|src|tgt|trg)/ $1/g; + } + + print STDOUT " $new_line\n"; +} +print STDERR "\n"; + +######################################################################## + +### tokenize a line. +sub proc_line { + my @params = @_; + my $param_num = scalar @params; + + if(($param_num < 1) || ($param_num > 3)){ + die "wrong number of params for proc_line: $param_num\n"; + } + + my $orig_line = $params[0]; + + $orig_line =~ s/^\s+//; + $orig_line =~ s/\s+$//; + + my @parts = split(/\s+/, $orig_line); + + if($param_num >= 2){ + my $orig_num_ptr = $params[1]; + $$orig_num_ptr = scalar @parts; + } + + my $new_line = ""; + + my $deep_proc_token = 0; + foreach my $part (@parts){ + my $flag = -1; + $new_line .= proc_token($part, \$flag) . " "; + $deep_proc_token += $flag; + } + + if($param_num == 3){ + my $deep_num_ptr = $params[2]; + $$deep_num_ptr = $deep_proc_token; + } + + return $new_line; +} + + + +## Tokenize a str that does not contain " ", return the new string +## The function handles the cases that the token needs not be segmented. +## for other cases, it calls deep_proc_token() +sub proc_token { + my @params = @_; + my $param_num = scalar @params; + if($param_num > 2){ + die "proc_token: wrong number of params: $param_num\n"; + } + + my $token = $params[0]; + + if(!defined($token)){ + return ""; + } + + my $deep_proc_flag; + + if($param_num == 2){ + $deep_proc_flag = $params[1]; + $$deep_proc_flag = 0; + } + + if($debug){ + print STDERR "pro_token:+$token+\n"; + } + + ### step 0: it has only one char + if(($token eq "") || ($token=~ /^.$/)){ + ## print STDERR "see +$token+\n"; + return $token; + } + + ## step 1: check the most common case + if($token =~ /^[a-z0-9\p{Cyrillic}\p{Greek}\p{Hebrew}\p{Han}\p{Arabic}]+$/i){ + ### most common cases + return $token; + } + + ## step 2: check whether it is some NE entity + ### 1.2.4.6 + if($token =~ /^\d+(.\d+)+$/){ + return $token; + } + + ## 1,234,345.34 + if($token =~ /^\d+(\.\d{3})*,\d+$/){ + ## number + return $token; + } + if($token =~ /^\d+(,\d{3})*\.\d+$/){ + ## number + return $token; + } + if($token =~ /^(@|#)[A-Za-z0-9_\p{Cyrillic}\p{Greek}\p{Hebrew}\p{Han}\p{Arabic}]+.*$/){ + ## twitter hashtag or address + return proc_rightpunc($token); + } + + if($token =~ /^[a-z0-9\_\-]+\@[a-z\d\_\-]+(\.[a-z\d\_\-]+)*(.*)$/i){ + ### email address: xxx@yy.zz + return proc_rightpunc($token); + } + + if($token =~ /^(mailto|http|https|ftp|gopher|telnet|file)\:\/{0,2}([^\.]+)(\.(.+))*$/i){ + ### URL: http://xx.yy.zz + return proc_rightpunc($token); + } + + if($token =~ /^(www)(\.(.+))+$/i){ + ### www.yy.dd/land/ + return proc_rightpunc($token); + } + + if($token =~ /^(\w+\.)+(com|co|edu|org|gov|ly|cz|ru|eu)(\.[a-z]{2,3})?\:{0,2}(\/\S*)?$/i){ + ### URL: upenn.edu/~xx + return proc_rightpunc($token); + } + + if($token =~ /^\(\d{3}\)\d{3}(\-\d{4})($common_right_punc)*$/){ + ## only handle American phone numbers: e.g., (914)244-4567 + return proc_rightpunc($token); + } + + #my $t1 = '[\x{0600}-\x{06ff}a-z\d\_\.\-]'; + my $t1 = '[a-z\d\_\-\.\p{Cyrillic}\p{Greek}\p{Hebrew}\p{Han}\p{Arabic}]'; + if($token =~ /^\/(($t1)+\/)+($t1)+\/?$/i){ + ### /nls/p/.... + return $token; + } + + if($token =~ /^\\(($t1)+\\)+($t1)+\\?$/i){ + ### \nls\p\.... + return $token; + } + + ## step 3: check the dictionary + my $token_lc = $token; + $token_lc =~ tr/A-Z/a-z/; + + if(defined($dict_hash{$token_lc})){ + return $token; + } + + ## step 4: check word_patterns + my $i=1; + foreach my $patt (@word_patts){ + if($token_lc =~ /$patt/){ + if($debug){ + print STDERR "+$token+ match pattern $i: +$patt+\n"; + } + return $token; + }else{ + $i++; + } + } + + ## step 5: call deep tokenization + if($param_num == 2){ + $$deep_proc_flag = 1; + } + return deep_proc_token($token); +} + + +### remove punct on the right side +### e.g., xxx@yy.zz, => xxx@yy.zz , +sub proc_rightpunc { + my ($token) = @_; + + $token =~ s/(($common_right_punc)+)$/ $1 /; + if($token =~ /\s/){ + return proc_line($token); + }else{ + return $token; + } +} + + + +####################################### +### return the new token: +### types of punct: +## T1 (2): the punct is always a token by itself no matter where it +### appears: " ; +## T2 (15): the punct that can be a part of words made of puncts only. +## ` ! @ + = [ ] ( ) { } | < > ? +## T3 (15): the punct can be part of a word that contains [a-z\d] +## T3: ~ ^ & : , # * % - _ \ / . $ ' +## infix: ~ (12~13), ^ (2^3), & (AT&T), : , +## prefix: # (#9), * (*3), +## suffix: % (10%), +## infix+prefix: - (-5), _ (_foo), +## more than one position: \ / . $ +## Appos: 'm n't ... + +## 1. separate by puncts in T1 +## 2. separate by puncts in T2 +## 3. deal with punct T3 one by one according to options +## 4. if the token remains unchanged after step 1-3, return the token + +## $line contains at least 2 chars, and no space. +sub deep_proc_token { + my ($line) = @_; + if($debug){ + print STDERR "deep_proc_token: +$line+\n"; + } + + ##### step 0: if it mades up of all puncts, remove one punct at a time. + if($line !~ /[\p{Cyrillic}\p{Greek}\p{Hebrew}\p{Han}\p{Arabic}a-zA-Z\d]/){ + if($line =~ /^(\!+|\@+|\++|\=+|\*+|\<+|\>+|\|+|\?+|\.+|\-+|\_+|\&+)$/){ + ## ++ @@@@ !!! .... + return $line; + } + + if($line =~ /^(.)(.+)$/){ + my $t1 = $1; + my $t2 = $2; + return $t1 . " " . proc_token($t2); + }else{ + ### one char only + print STDERR "deep_proc_token: this should not happen: +$line+\n"; + return $line; + } + } + + ##### step 1: separate by punct T2 on the boundary + my $t2 = '\`|\!|\@|\+|\=|\[|\]|\<|\>|\||\(|\)|\{|\}|\?|\"|;'; + if($line =~ s/^(($t2)+)/$1 /){ + return proc_line($line); + } + + if($line =~ s/(($t2)+)$/ $1/){ + return proc_line($line); + } + + ## step 2: separate by punct T2 in any position + if($line =~ s/(($t2)+)/ $1 /g){ + return proc_line($line); + } + + ##### step 3: deal with special puncts in T3. + if($line =~ /^(\,+)(.+)$/){ + my $t1 = $1; + my $t2 = $2; + return proc_token($t1) . " " . proc_token($t2); + } + + if($line =~ /^(.*[^\,]+)(\,+)$/){ + ## 19.3,,, => 19.3 ,,, + my $t1 = $1; + my $t2 = $2; + return proc_token($t1) . " " . proc_token($t2); + } + + ## remove the ending periods that follow number etc. + if($line =~ /^(.*(\d|\~|\^|\&|\:|\,|\#|\*|\%|\-|\_|\/|\\|\$|\'))(\.+)$/){ + ## 12~13. => 12~13 . + my $t1 = $1; + my $t3 = $3; + return proc_token($t1) . " " . proc_token($t3); + } + + ### deal with "$" + if(($line =~ /\$/) && ($Split_On_DollarSign > 0)){ + my $suc = 0; + if($Split_On_DollarSign == 1){ + ## split on all occasation + $suc = ($line =~ s/(\$+)/ $1 /g); + }else{ + ## split only between $ and number + $suc = ($line =~ s/(\$+)(\d)/$1 $2/g); + } + + if($suc){ + return proc_line($line); + } + } + + ## deal with "#" + if(($line =~ /\#/) && ($Split_On_SharpSign > 0)){ + my $suc = 0; + if($Split_On_SharpSign >= 2){ + ### keep #50 as a token + $suc = ($line =~ s/(\#+)(\D)/ $1 $2/gi); + }else{ + $suc = ($line =~ s/(\#+)/ $1 /gi); + } + + if($suc){ + return proc_line($line); + } + } + + ## deal with ' + if($line =~ /\'/){ + my $suc = ($line =~ s/([^\'])([\']+)$/$1 $2/g); ## xxx'' => xxx '' + + ### deal with ': e.g., 's, 't, 'm, 'll, 're, 've, n't + + ## 'there => ' there '98 => the same + $suc += ($line =~ s/^(\'+)([a-z]+)/ $1 $2/gi); + + ## note that \' and \. could interact: e.g., U.S.'s; 're. + if($Split_NAposT && ($line =~ /^(.*[a-z]+)(n\'t)([\.]*)$/i)){ + ## doesn't => does n't + my $t1 = $1; + my $t2 = $2; + my $t3 = $3; + return proc_token($t1) . " " . $t2 . " " . proc_token($t3); + } + + ## 's, 't, 'm, 'll, 're, 've: they've => they 've + ## 1950's => 1950 's Co.'s => Co. 's + if($Split_AposS && ($line =~ /^(.+)(\'s)(\W*)$/i)){ + my $t1 = $1; + my $t2 = $2; + my $t3 = $3; + return proc_token($t1) . " " . $t2 . " " . proc_token($t3); + } + + if($Split_AposM && ($line =~ /^(.*[a-z]+)(\'m)(\.*)$/i)){ + my $t1 = $1; + my $t2 = $2; + my $t3 = $3; + return proc_token($t1) . " " . $t2 . " " . proc_token($t3); + } + + + if($Split_AposRE && ($line =~ /^(.*[a-z]+)(\'re)(\.*)$/i)){ + my $t1 = $1; + my $t2 = $2; + my $t3 = $3; + return proc_token($t1) . " " . $t2 . " " . proc_token($t3); + } + + if($Split_AposVE && ($line =~ /^(.*[a-z]+)(\'ve)(\.*)$/i)){ + my $t1 = $1; + my $t2 = $2; + my $t3 = $3; + return proc_token($t1) . " " . $t2 . " " . proc_token($t3); + } + + if($Split_AposLL && ($line =~ /^(.*[a-z]+)(\'ll)(\.*)$/i)){ + my $t1 = $1; + my $t2 = $2; + my $t3 = $3; + return proc_token($t1) . " " . $t2 . " " . proc_token($t3); + } + + if($Split_AposD && ($line =~ /^(.*[a-z]+)(\'d)(\.*)$/i)){ + my $t1 = $1; + my $t2 = $2; + my $t3 = $3; + return proc_token($t1) . " " . $t2 . " " . proc_token($t3); + } + + if($suc){ + return proc_line($line); + } + } + + + ## deal with "~" + if(($line =~ /\~/) && ($Split_On_Tilde > 0)){ + my $suc = 0; + if($Split_On_Tilde >= 2){ + ## keep 12~13 as one token + $suc += ($line =~ s/(\D)(\~+)/$1 $2 /g); + $suc += ($line =~ s/(\~+)(\D)/ $1 $2/g); + $suc += ($line =~ s/^(\~+)(\d)/$1 $2/g); + $suc += ($line =~ s/(\d)(\~+)$/$1 $2/g); + }else{ + $suc += ($line =~ s/(\~+)/ $1 /g); + } + if($suc){ + return proc_line($line); + } + } + + ## deal with "^" + if(($line =~ /\^/) && ($Split_On_Circ > 0)){ + my $suc = 0; + if($Split_On_Circ >= 2){ + ## keep 12~13 as one token + $suc += ($line =~ s/(\D)(\^+)/$1 $2 /g); + $suc += ($line =~ s/(\^+)(\D)/ $1 $2/g); + }else{ + $suc = ($line =~ s/(\^+)/ $1 /g); + } + if($suc){ + return proc_line($line); + } + } + + ## deal with ":" + if(($line =~ /\:/) && ($Split_On_Semicolon > 0)){ + ## 2: => 2 : + my $suc = ($line =~ s/^(\:+)/$1 /); + $suc += ($line =~ s/(\:+)$/ $1/); + if($Split_On_Semicolon >= 2){ + ## keep 5:4 as one token + $suc += ($line =~ s/(\D)(\:+)/$1 $2 /g); + $suc += ($line =~ s/(\:+)(\D)/ $1 $2/g); + }else{ + $suc += ($line =~ s/(\:+)/ $1 /g); + } + + if($suc){ + return proc_line($line); + } + } + + ### deal with hyphen: 1992-1993. 21st-24th + if(($line =~ /\-/) && ($Split_On_Dash > 0)){ + my $suc = ($line =~ s/(\-{2,})/ $1 /g); + if($Split_On_Dash >= 2){ + ## keep 1992-1993 as one token + $suc += ($line =~ s/(\D)(\-+)/$1 $2 /g); + $suc += ($line =~ s/(\-+)(\D)/ $1 $2/g); + }else{ + ### always split on "-" + $suc += ($line =~ s/([\-]+)/ $1 /g); + } + + if($suc){ + return proc_line($line); + } + } + + ## deal with "_" + if(($line =~ /\_/) && ($Split_On_Underscore > 0)){ + ### always split on "-" + if($line =~ s/([\_]+)/ $1 /g){ + return proc_line($line); + } + } + + + + ## deal with "%" + if(($line =~ /\%/) && ($Split_On_PercentSign > 0)){ + my $suc = 0; + if($Split_On_PercentSign >= 2){ + $suc += ($line =~ s/(\D)(\%+)/$1 $2/g); + }else{ + $suc += ($line =~ s/(\%+)/ $1 /g); + } + + if($suc){ + return proc_line($line); + } + } + + + ### deal with "/": 4/5 + if(($line =~ /\//) && ($Split_On_Slash > 0)){ + my $suc = 0; + if($Split_On_Slash >= 2){ + $suc += ($line =~ s/(\D)(\/+)/$1 $2 /g); + $suc += ($line =~ s/(\/+)(\D)/ $1 $2/g); + }else{ + $suc += ($line =~ s/(\/+)/ $1 /g); + } + + if($suc){ + return proc_line($line); + } + } + + + ### deal with comma: 123,456 + if($line =~ /\,/){ + my $suc = 0; + $suc += ($line =~ s/([^\d]),/$1 , /g); ## xxx, 1923 => xxx , 1923 + $suc += ($line =~ s/\,\s*([^\d])/ , $1/g); ## 1923, xxx => 1923 , xxx + + $suc += ($line =~ s/,([\d]{1,2}[^\d])/ , $1/g); ## 1,23 => 1 , 23 + $suc += ($line =~ s/,([\d]{4,}[^\d])/ , $1/g); ## 1,2345 => 1 , 2345 + + $suc += ($line =~ s/,([\d]{1,2})$/ , $1/g); ## 1,23 => 1 , 23 + $suc += ($line =~ s/,([\d]{4,})$/ , $1/g); ## 1,2345 => 1 , 2345 + + if($suc){ + return proc_line($line); + } + } + + + ## deal with "&" + if(($line =~ /\&/) && ($Split_On_AndSign > 0)){ + my $suc = 0; + if($Split_On_AndSign >= 2){ + $suc += ($line =~ s/([a-z]{3,})(\&+)/$1 $2 /gi); + $suc += ($line =~ s/(\&+)([a-z]{3,})/ $1 $2/gi); + }else{ + $suc += ($line =~ s/(\&+)/ $1 /g); + } + + if($suc){ + return proc_line($line); + } + } + + ## deal with period + if($line =~ /\./){ + if($line =~ /^(([\+|\-])*(\d+\,)*\d*\.\d+\%*)$/){ + ### numbers: 3.5 + return $line; + } + + if($line =~ /^(([a-z]\.)+)(\.*)$/i){ + ## I.B.M. + my $t1 = $1; + my $t3 = $3; + return $t1 . " ". proc_token($t3); + } + + ## Feb.. => Feb. . + if($line =~ /^(.*[^\.])(\.)(\.*)$/){ + my $p1 = $1; + my $p2 = $2; + my $p3 = $3; + + my $p1_lc = $p1; + $p1_lc =~ tr/A-Z/a-z/; + + if(defined($dict_hash{$p1_lc . $p2})){ + ## Dec.. => Dec. . + return $p1 . $p2 . " " . proc_token($p3); + }elsif(defined($dict_hash{$p1_lc})){ + return $p1 . " " . proc_token($p2 . $p3); + }else{ + ## this. => this . + return proc_token($p1) . " " . proc_token($p2 . $p3); + } + } + + if($line =~ s/(\.+)(.+)/$1 $2/g){ + return proc_line($line); + } + } + + + ## no pattern applies + return $line; +} + + + + + + + + diff --git a/corpus/support/utf8-normalize.sh b/corpus/support/utf8-normalize.sh new file mode 100755 index 00000000..2f347854 --- /dev/null +++ b/corpus/support/utf8-normalize.sh @@ -0,0 +1,36 @@ +#!/bin/bash + +# this is the location on malbec, if you want to run on another machine +# ICU may be installed in /usr or /usr/local +ICU_DIR=/usr0/tools/icu +UCONV_BIN=$ICU_DIR/bin/uconv +UCONV_LIB=$ICU_DIR/lib + +if [ -e $UCONV_BIN ] && [ -d $UCONV_LIB ] +then + export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:$UCONV_LIB + if [ ! -x $UCONV_BIN ] + then + echo "$0: Cannot execute $UCONV_BIN! Please fix." 1>&2 + exit + fi + CMD="$UCONV_BIN -f utf8 -t utf8 -x Any-NFKC --callback skip" +else + if which uconv > /dev/null + then + CMD="uconv -f utf8 -t utf8 -x Any-NFKC --callback skip" + else + echo "$0: Cannot find ICU uconv (http://site.icu-project.org/) ... falling back to iconv. Quality may suffer." 1>&2 + CMD="iconv -f utf8 -t utf8 -c" + fi +fi + +perl -e 'while(<>){s/\r\n*/\n/g; print;}' | $CMD | /usr/bin/perl -w -e ' + while (<>) { + chomp; + s/[\x00-\x1F]+/ /g; + s/ +/ /g; + s/^ //; + s/ $//; + print "$_\n"; + }' |