Add files using upload-large-folder tool

e9f8719 verified about 1 year ago

54.1 kB

	<?php

	/*
	This file is part of moses. Its use is licensed under the GNU Lesser General
	Public License version 2.1 or, at your option, any later version.
	*/

	# main page frame, triggers the loading of parts
	function show_analysis() {
	global $task,$user,$setup,$id,$set;
	global $dir;

	head("Analysis: $task ($user), Set $set, Run $id");

	?><script>
	function show(field,sort,count,filter) {
	var url = '?analysis=' + field + '_show'
	+ '&setup=<?php print $setup ?>'
	+ '&id=<?php print $id ?>'
	+ '&set=<?php print $set ?>'
	+ '&sort=' + sort
	+ '&count=' + count
	+ '&filter=' + filter;
	new Ajax.Updater(field, url, { method: 'get', evalScripts: true });
	}
	function ngram_show(type,order,count,sort,smooth) {
	var url = '?analysis=ngram_' + type + '_show'
	+ '&setup=<?php print $setup ?>'
	+ '&id=<?php print $id ?>'
	+ '&set=<?php print $set ?>'
	+ '&order=' + order
	+ '&smooth=' + smooth
	+ '&sort=' + sort
	+ '&count=' + count;
	var field = (type == "precision" ? "nGramPrecision" : "nGramRecall") + order;
	new Ajax.Updater(field, url, { method: 'get', evalScripts: true });
	}
	function generic_show(field,parameters) {
	var url = '?analysis=' + field + '_show'
	+ '&setup=<?php print $setup ?>'
	+ '&id=<?php print $id ?>'
	+ '&set=<?php print $set ?>'
	+ '&' + parameters;
	new Ajax.Updater(field, url, { method: 'get', evalScripts: true });
	}
	function highlight_phrase(sentence,phrase) {
	var input = "input-"+sentence+"-"+phrase;
	$(input).setStyle({ borderColor: 'red' });
	var output = "output-"+sentence+"-"+phrase;
	$(output).setStyle({ borderColor: 'red' });
	}
	function show_word_info(sentence,cc,tc,te) {
	var info = "info-"+sentence;
	document.getElementById(info).innerHTML = ''+cc+' occurrences in corpus, '+tc+' distinct translations, translation entropy: '+te;
	$(info).setStyle({ opacity: 1 });
	}
	function lowlight_phrase(sentence,phrase) {
	var input = "input-"+sentence+"-"+phrase;
	$(input).setStyle({ borderColor: 'black' });
	var output = "output-"+sentence+"-"+phrase;
	$(output).setStyle({ borderColor: 'black' });
	}
	function hide_word_info(sentence) {
	var info = "info-"+sentence;
	$(info).setStyle({ opacity: 0 });
	}
	function show_biconcor(sentence,phrase) {
	var div = "biconcor-"+sentence;
	var url = '?analysis=biconcor'
	+ '&setup=<?php print $setup ?>&id=<?php print get_biconcor_version($dir,$set,$id); ?>&set=<?php print $set ?>'
	+ '&sentence=' + sentence
	+ '&phrase=' + encodeURIComponent(phrase);
	document.getElementById(div).innerHTML = "<center><img src=\"spinner.gif\" width=48 height=48></center>";
	$(div).setStyle({ borderStyle: 'solid', 'border-width': '3px', borderColor: 'black' });
	new Ajax.Updater(div, url, { method: 'get', evalScripts: true });
	}
	function close_biconcor(sentence) {
	var div = "biconcor-"+sentence;
	document.getElementById(div).innerHTML = "";
	$(div).setStyle({ borderStyle: 'none', 'border-width': '0px', borderColor: 'white' });
	}

	</script>
	</head>
	<body>
	<div id="nGramSummary"><?php ngram_summary() ?></div>
	<div id="CoverageDetails"></div>
	<div id="PrecisionByCoverage"></div>
	<div id="PrecisionRecallDetails"></div>
	<div id="bleu">(loading...)</div>
	<script language="javascript">
	show('bleu','',5,'');
	</script>
	</body></html>
	<?php
	}

	function precision_by_coverage() {
	global $experiment,$evalset,$dir,$set,$id;
	$img_width = 1000;

	print "<h3>Precision of Input Words by Coverage</h3>";
	print "The graphs display what ratio of words of a specific type are translated correctly (yellow), and what ratio is deleted (blue).";
	print " The extend of the boxes is scaled on the x-axis by the number of tokens of the displayed type.";

	// load data
	$data = file(get_current_analysis_filename("precision","precision-by-corpus-coverage"));
	$total = 0;
	$log_info = array();
	for($i=0;$i<count($data);$i++) {
	$item = split("\t",$data[$i]);
	$info[$item[0]]["precision"] = $item[1];
	$info[$item[0]]["delete"] = $item[2];
	$info[$item[0]]["length"] = $item[3];
	$info[$item[0]]["total"] = $item[4];
	$total += $item[4];
	$log_count = -1;
	if ($item[0]>0) {
	$log_count = (int) (log($item[0])/log(2));
	}
	if (!array_key_exists($log_count,$log_info)) {
	$log_info[$log_count]["precision"] = 0;
	$log_info[$log_count]["delete"] = 0;
	$log_info[$log_count]["length"] = 0;
	$log_info[$log_count]["total"] = 0;
	}
	$log_info[$log_count]["precision"] += $item[1];
	$log_info[$log_count]["delete"] += $item[2];
	$log_info[$log_count]["length"] += $item[3];
	$log_info[$log_count]["total"] += $item[4];
	}
	print "<h4>By log<sub>2</sub>-count in the training corpus</h4>";
	precision_by_coverage_graph("byCoverage",$log_info,$total,$img_width,SORT_NUMERIC);

	# load factored data
	$d = dir("$dir/evaluation/$set.analysis.".get_precision_analysis_version($dir,$set,$id));
	while (false !== ($file = $d->read())) {
	if (preg_match('/precision-by-corpus-coverage.(.+)$/',$file, $match)) {
	precision_by_coverage_factored($img_width,$total,$file,$match[1]);
	}
	}
	}

	function precision_by_coverage_factored($img_width,$total,$file,$factor_id) {
	global $dir,$set,$id;
	$data = file(get_current_analysis_filename("precision",$file));
	for($i=0;$i<count($data);$i++) {
	$item = split("\t",$data[$i]);
	$factor = $item[0];
	$count = $item[1];
	$info_factored[$factor][$count]["precision"] = $item[2];
	$info_factored[$factor][$count]["delete"] = $item[3];
	$info_factored[$factor][$count]["length"] = $item[4];
	$info_factored[$factor][$count]["total"] = $item[5];
	$info_factored_sum[$factor]["precision"] += $item[2];
	$info_factored_sum[$factor]["delete"] += $item[3];
	$info_factored_sum[$factor]["length"] += $item[4];
	$info_factored_sum[$factor]["total"] += $item[5];
	$total_factored[$factor] += $item[5];
	$log_count = -1;
	if ($count>0) {
	$log_count = (int) (log($count)/log(2));
	}
	$log_info_factored[$factor][$log_count]["precision"] += $item[2];
	$log_info_factored[$factor][$log_count]["delete"] += $item[3];
	$log_info_factored[$factor][$log_count]["length"] += $item[4];
	$log_info_factored[$factor][$log_count]["total"] += $item[5];
	}
	print "<h4>By factor ".factor_name("input",$factor_id)."</h4>";
	precision_by_coverage_graph("byFactor",$info_factored_sum,$total,$img_width,SORT_STRING);

	print "<h4>For each factor, by log<sub>2</sub>-count in the corpus</h4>";
	foreach ($log_info_factored as $factor => $info) {
	if ($total_factored[$factor]/$total > 0.01) {
	print "<table style=\"display:inline;\"><tr><td align=center><font size=-2><b>$factor</b></font></td></tr><tr><td align=center>";
	precision_by_coverage_graph("byCoverageFactor$factor",$info,$total_factored[$factor],10+2$img_width$total_factored[$factor]/$total,SORT_NUMERIC);
	print "</td></tr></table>";
	}
	}
	}

	function precision_by_word($type) {
	global $dir,$set,$id;
	$byCoverage = -2;
	$byFactor = "false";
	if ($type == "byCoverage") {
	$byCoverage = (int) $_GET["type"];
	}
	else if ($type == "byFactor") {
	$byFactor = $_GET["type"];
	}
	else if (preg_match("/byCoverageFactor(.+)/",$type,$match)) {
	$byCoverage = (int) $_GET["type"];
	$byFactor = $match[1];
	}

	$data = file(get_current_analysis_filename("precision","precision-by-input-word"));
	for($i=0;$i<count($data);$i++) {
	$line = rtrim($data[$i]);
	$item = split("\t",$line);

	//# filter for count
	$count = $item[4];
	$log_count = -1;
	if ($count>0) {
	$log_count = (int) (log($count)/log(2));
	}
	if ($byCoverage != -2 && $byCoverage != $log_count) {
	continue;
	}

	//# filter for factor
	$word = $item[5];
	if ($byFactor != "false" && $byFactor != $item[6]) {
	continue;
	}

	$info[$word]["precision"] = $item[0];
	$info[$word]["delete"] = $item[1];
	$info[$word]["length"] = $item[2];
	$info[$word]["total"] = $item[3];
	$total += $item[3];
	}

	print "<table border=1><tr><td align=center>Count</td><td align=center colspan=2>Precision</td><td align=center colspan=2>Delete</td><td align=center>Length</td></tr>\n";
	foreach ($info as $word => $wordinfo) {
	print "<tr><td align=center><a href=\"javascript:show('bleu','order',5,'".base64_encode($word)."')\">$word</a></td>";
	printf("<td align=right>%.1f%s</td><td align=right><font size=-1>%.1f/%d</font></td>",$wordinfo["precision"]/$wordinfo["total"]*100,"%",$wordinfo["precision"],$wordinfo["total"]);
	printf("<td align=right>%.1f%s</td><td align=right><font size=-1>%d/%d</font></td>",$wordinfo["delete"]/$wordinfo["total"]*100,"%",$wordinfo["delete"],$wordinfo["total"]);
	printf("<td align=right>%.3f</td>",$wordinfo["length"]/$wordinfo["total"]);
	print "</tr>";
	}
	print "</table>\n";
	}

	function precision_by_coverage_latex($name,$log_info,$total,$img_width,$sort_type) {
	$keys = array_keys($log_info);
	sort($keys,$sort_type);

	$img_width /= 100;
	print "<div id=\"LatexToggle$name\" onClick=\"document.getElementById('Latex$name').style.display = 'block'; this.style.display = 'none';\" style=\"display:none;\"><font size=-2>(show LaTeX)</font></div>\n";
	print "<div id=\"Latex$name\" style=\"display:none;\">\n";
	print "<code>\\begin{tikzpicture}<br>";

	print "% co-ordinates for precision<br>";
	for($line=0;$line<=9;$line++) {
	$height = 1.8-$line/10*1.8;
	print "\\draw[thin,lightgray] (0.2,-$height) ";
	print "node[anchor=east,black] {".$line."0\\%} -- ";
	print "($img_width,-$height) ;<br>\n";
	}
	print "% co-ordinates for deletion<br>\n";
	for($line=0;$line<=3;$line++) {
	$height = 2+$line/10*1.80;
	print "\\draw[thin,lightgray] (0.2,-$height) ";
	if ($line != 0) {
	print "node[anchor=east,black] {".$line."0\\%} ";
	}
	print "-- ($img_width,-$height) ;<br>\n";
	}

	print "% boxes<br>\n";
	$total_so_far = 0;
	foreach ($keys as $i) {
	$prec_ratio = $log_info[$i]["precision"]/$log_info[$i]["total"];
	$x = .2+($img_width-.2) * $total_so_far/$total;
	$y = 1.80-($prec_ratio*1.80);
	$width = $img_width * $log_info[$i]["total"]/$total;
	$height = $prec_ratio*1.80;

	$width += $x;
	$height += $y;

	print "\\filldraw[very thin,gray] ($x,-$y) rectangle($width,-$height) ;<br>";
	print "\\draw[very thin,black] ($x,-$y) rectangle($width,-$height);<br>";
	if ($width-$x>.1) {
	print "\\draw (".(($x+$width)/2).",-1.8) node[anchor=north,black] {".$i."};<br>";
	}


	$del_ratio = $log_info[$i]["delete"]/$log_info[$i]["total"];
	$height = $del_ratio*1.80;

	$height += 2;

	print "\\filldraw[very thin,lightgray] ($x,-2) rectangle($width,-$height);<br>\n";
	print "\\draw[very thin,black] ($x,-2) rectangle($width,-$height);<br>\n";

	$total_so_far += $log_info[$i]["total"];
	}
	print "\\end{tikzpicture}</code>";
	print "</div>";
	}

	function precision_by_coverage_graph($name,$log_info,$total,$img_width,$sort_type) {

	$keys = array_keys($log_info);
	sort($keys,$sort_type);

	print "<div id=\"Toggle$name\" onClick=\"document.getElementById('Table$name').style.display = 'none'; document.getElementById('LatexToggle$name').style.display = 'none'; document.getElementById('Latex$name').style.display = 'none'; this.style.display = 'none';\" style=\"display:none;\"><font size=-2>(hide table)</font></div>\n";
	precision_by_coverage_latex($name,$log_info,$total,$img_width,$sort_type);

	print "<div id=\"Table$name\" style=\"display:none;\">\n";
	print "<table border=1><tr><td align=center>Count</td><td align=center colspan=2>Precision</td><td align=center colspan=2>Delete</td><td align=center>Length</td></tr>\n";
	foreach ($keys as $i) {
	if (array_key_exists($i,$log_info)) {
	print "<tr><td align=center>$i</td>";
	printf("<td align=right>%.1f%s</td><td align=right><font size=-1>%.1f/%d</font></td>",$log_info[$i]["precision"]/$log_info[$i]["total"]*100,"%",$log_info[$i]["precision"],$log_info[$i]["total"]);
	printf("<td align=right>%.1f%s</td><td align=right><font size=-1>%d/%d</font></td>",$log_info[$i]["delete"]/$log_info[$i]["total"]*100,"%",$log_info[$i]["delete"],$log_info[$i]["total"]);
	printf("<td align=right>%.3f</td>",$log_info[$i]["length"]/$log_info[$i]["total"]);
	print "<td><A HREF=\"javascript:generic_show('PrecisionByWord$name','type=$i')\">Ⓘ</A></td>";
	print "</tr>";
	}
	}
	print "</table><div id=\"PrecisionByWord$name\"></div></div>";

	print "<div id=\"Graph$name\" onClick=\"document.getElementById('Table$name').style.display = 'block'; document.getElementById('LatexToggle$name').style.display = 'block'; document.getElementById('Toggle$name').style.display = 'block';\">";
	print "<canvas id=\"$name\" width=$img_width height=300></canvas></div>";
	print "<script language=\"javascript\">
	var canvas = document.getElementById(\"$name\");
	var ctx = canvas.getContext(\"2d\");
	ctx.lineWidth = 0.5;
	ctx.font = '9px serif';
	";
	for($line=0;$line<=9;$line++) {
	$height = 180-$line/10*180;
	print "ctx.moveTo(20, $height);\n";
	print "ctx.lineTo($img_width, $height);\n";
	if ($line != 0) {
	print "ctx.fillText(\"${line}0\%\", 0, $height+4);";
	}
	}
	for($line=0;$line<=3;$line++) {
	$height = 200+$line/10*180;
	print "ctx.moveTo(20, $height);\n";
	print "ctx.lineTo($img_width, $height);\n";
	if ($line != 0) {
	print "ctx.fillText(\"${line}0\%\", 0, $height+4);";
	}
	}
	print "ctx.strokeStyle = \"rgb(100,100,100)\"; ctx.stroke();\n";

	$total_so_far = 0;
	foreach ($keys as $i) {
	$prec_ratio = $log_info[$i]["precision"]/$log_info[$i]["total"];
	$x = (int)(20+($img_width-20) * $total_so_far / $total);
	$y = (int)(180-($prec_ratio*180));
	$width = (int)($img_width * $log_info[$i]["total"]/$total);
	$height = (int)($prec_ratio*180);
	print "ctx.fillStyle = \"rgb(200,200,0)\";";
	print "ctx.fillRect ($x, $y, $width, $height);";

	$del_ratio = $log_info[$i]["delete"]/$log_info[$i]["total"];
	$height = (int)($del_ratio*180);
	print "ctx.fillStyle = \"rgb(100,100,255)\";";
	print "ctx.fillRect ($x, 200, $width, $height);";

	$total_so_far += $log_info[$i]["total"];

	if ($width>3) {
	print "ctx.fillStyle = \"rgb(0,0,0)\";";
	// print "ctx.rotate(-1.5707);";
	print "ctx.fillText(\"$i\", $x+$width/2-3, 190);";
	//print "ctx.rotate(1.5707);";
	}
	}
	print "</script>";
	}

	//# stats on precision and recall
	function precision_recall_details() {
	?>
	<table width=100%>
	<tr>
	<td width=25% valign=top><div id="nGramPrecision1">(loading...)</div></td>
	<td width=25% valign=top><div id="nGramPrecision2">(loading...)</div></td>
	<td width=25% valign=top><div id="nGramPrecision3">(loading...)</div></td>
	<td width=25% valign=top><div id="nGramPrecision4">(loading...)</div></td>
	</tr><tr>
	<td width=25% valign=top><div id="nGramRecall1">(loading...)</div></td>
	<td width=25% valign=top><div id="nGramRecall2">(loading...)</div></td>
	<td width=25% valign=top><div id="nGramRecall3">(loading...)</div></td>
	<td width=25% valign=top><div id="nGramRecall4">(loading...)</div></td>
	</tr></table>
	<script language="javascript">
	ngram_show('precision',1,5,'',0);
	ngram_show('precision',2,5,'',0);
	ngram_show('precision',3,5,'',0);
	ngram_show('precision',4,5,'',0);
	ngram_show('recall',1,5,'',0);
	ngram_show('recall',2,5,'',0);
	ngram_show('recall',3,5,'',0);
	ngram_show('recall',4,5,'',0);
	</script>
	<?php
	}

	//# stats on ngram precision
	function ngram_summary() {
	global $experiment,$evalset,$dir,$set,$id;

	//# load data
	$data = file(get_current_analysis_filename("basic","summary"));
	for($i=0;$i<count($data);$i++) {
	$item = split(": ",$data[$i]);
	$info[$item[0]] = $item[1];
	}

	print "<table cellspacing=5 width=100%><tr><td valign=top align=center bgcolor=#eeeeee>";
	//#foreach (array("precision","recall") as $type) {
	print "<b>Precision of Output</b>\n";
	$type = "precision";
	print "<table><tr><td>$type</td><td>1-gram</td><td>2-gram</td><td>3-gram</td><td>4-gram</td></tr>\n";
	printf("<tr><td>correct</td><td>%d</td><td>%d</td><td>%d</td><td>%d</td></tr>\n",
	$info["$type-1-correct"],
	$info["$type-2-correct"],
	$info["$type-3-correct"],
	$info["$type-4-correct"]);
	printf("<tr><td> </td><td>%.1f%s</td><td>%.1f%s</td><td>%.1f%s</td><td>%.1f%s</td></tr>\n",
	$info["$type-1-correct"]/$info["$type-1-total"]*100,'%',
	$info["$type-2-correct"]/$info["$type-2-total"]*100,'%',
	$info["$type-3-correct"]/$info["$type-3-total"]*100,'%',
	$info["$type-4-correct"]/$info["$type-4-total"]*100,'%');
	printf("<tr><td>wrong</td><td>%d</td><td>%d</td><td>%d</td><td>%d</td></tr>\n",
	$info["$type-1-total"]-$info["$type-1-correct"],
	$info["$type-2-total"]-$info["$type-2-correct"],
	$info["$type-3-total"]-$info["$type-3-correct"],
	$info["$type-4-total"]-$info["$type-4-correct"]);
	print "</table>";
	//}

	print "<A HREF=\"javascript:generic_show('PrecisionRecallDetails','')\">details</A> ";
	if (file_exists(get_current_analysis_filename("precision","precision-by-corpus-coverage"))) {
	print "\| <A HREF=\"javascript:generic_show('PrecisionByCoverage','')\">precision of input by coverage</A> ";
	}

	print "</td><td valign=top valign=top align=center bgcolor=#eeeeee>";

	$each_score = explode(" ; ",$experiment[$id]->result[$set]);
	$header = "";
	$score_line = "";
	for($i=0;$i<count($each_score);$i++) {
	if (preg_match('/([\d\.\s]+) (BLEU[\-c]*)/',$each_score[$i],$match) \|\|
	preg_match('/([\d\.\s]+) (IBM[\-c]*)/',$each_score[$i],$match) \|\|
	preg_match('/([\d\.\s]+) (METEOR[\-c]*)/',$each_score[$i],$match)) {
	$header .= "<td>$match[2]</td>";
	$score_line .= "<td>$match[1]</td>";
	}
	}
	print "<b>Metrics</b><table border=1><tr>".$header."</tr><tr>".$score_line."</tr></table>";

	printf("<p>length-diff: %d (%.1f%s)",$info["precision-1-total"]-$info["recall-1-total"],($info["precision-1-total"]-$info["recall-1-total"])/$info["recall-1-total"]*100,"%");

	// coverage
	if (file_exists(get_current_analysis_filename("coverage","corpus-coverage-summary"))) {
	print "</td><td valign=top align=center bgcolor=#eeeeee>";
	print "<div id=\"CoverageSummary\">";
	coverage_summary();
	print "</div>";
	}

	// phrase segmentation
	if (file_exists(get_current_analysis_filename("basic","segmentation")) \|\|
	file_exists(get_current_analysis_filename("basic","rule"))) {
	print "</td><td valign=top align=center bgcolor=#eeeeee>";
	print "<div id=\"SegmentationSummary\">";
	segmentation_summary();
	print "</div>";
	}

	// rules
	if (file_exists(get_current_analysis_filename("basic","rule"))) {
	print "</td><td valign=top align=center bgcolor=#eeeeee>";
	print "<div id=\"RuleSummary\">";
	rule_summary();
	print "</div>";
	}

	print "</td></tr></table>";
	}

	// details on ngram precision/recall
	function ngram_show($type) {
	global $set,$id,$dir;

	// load data
	$order = $_GET['order'];
	$data = file(get_current_analysis_filename("basic","n-gram-$type.$order"));
	for($i=0;$i<count($data);$i++) {
	$item = split("\t",$data[$i]);
	$line["total"] = $item[0];
	$line["correct"] = $item[1];
	$line["ngram"] = $item[2];
	$ngram[] = $line;
	}

	// sort option
	$sort = $_GET['sort'];
	$smooth = $_GET['smooth'];
	if ($sort == '') {
	$sort = 'ratio_worst';
	$smooth = 1;
	}

	// sort index
	for($i=0;$i<count($ngram);$i++) {
	if ($sort == "abs_worst") {
	$ngram[$i]["index"] = $ngram[$i]["correct"] - $ngram[$i]["total"];
	}
	else if ($sort == "ratio_worst") {
	$ngram[$i]["index"] = ($ngram[$i]["correct"] + $smooth) / ($ngram[$i]["total"] + $smooth);
	}
	}

	// sort
	function cmp($a, $b) {
	if ($a["index"] == $b["index"]) {
	return 0;
	}
	return ($a["index"] < $b["index"]) ? -1 : 1;
	}

	usort($ngram, 'cmp');

	// display
	$count = $_GET['count'];
	if ($count == 0) { $count = 5; }

	print "<B>$order-gram $type</B><br><font size=-1>sorted by ";
	if ($sort == "ratio_worst") {
	print "ratio ";
	print "smooth-$smooth ";
	print "<A HREF=\"javascript:ngram_show('$type',$order,$count,'ratio_worst',$smooth+1)\">+</A> ";
	print "<A HREF=\"javascript:ngram_show('$type',$order,$count,'ratio_worst',$smooth-1)\">-</A> ";
	}
	else {
	print "<A HREF=\"javascript:ngram_show('$type',$order,$count,'ratio_worst',1)\">ratio</A> ";
	}
	if ($sort == "abs_worst") {
	print "absolute ";
	}
	else {
	print "<A HREF=\"javascript:ngram_show('$type',$order,$count,'abs_worst',0)\">absolute</A> ";
	}
	print "showing $count ";
	if ($count < 9999) {
	print "<A HREF=\"javascript:ngram_show('$type',$order,$count+5,'$sort',$smooth)\">more</A> ";
	print "<A HREF=\"javascript:ngram_show('$type',$order,9999,'$sort',$smooth)\">all</A> ";
	}
	else {
	print "<A HREF=\"javascript:ngram_show('$type',$order,5,'$sort',$smooth)\">top5</A> ";
	}
	print "</font><br>\n";

	print "<table width=100%>\n";
	print "<tr><td>$order-gram</td><td>ok</td><td>x</td><td>ratio</td></tr>\n";
	for($i=0;$i<$count && $i<count($ngram);$i++) {
	$line = $ngram[$i];
	print "<tr><td>".$line["ngram"]."</td>";
	print "<td>".$line["correct"]."</td>";
	print "<td>".($line["total"]-$line["correct"])."</td>";
	printf("<td>%.3f</td></tr>",$line["correct"]/$line["total"]);
	}
	print "</table>\n";
	}

	// details on ngram coverage
	function coverage_details() {
	global $dir,$set,$id;

	$count = array(); $token = array();
	foreach (array("ttable","corpus") as $corpus) {
	foreach (array("token","type") as $b) {
	for($i=0;$i<=7;$i++) {
	foreach (array("6+","2-5","1","0") as $range) {
	$count[$corpus][$b][$i][$range] = 0;
	}
	$total[$corpus][$b][$i] = 0;
	}
	}
	$data = file(filename_fallback_to_factored(get_current_analysis_filename("coverage","$corpus-coverage-summary")));
	for($i=0;$i<count($data);$i++) {
	$item = split("\t",$data[$i]);
	if ($item[1]>5) {
	$count[$corpus]["type"][$item[0]]["6+"] += $item[2];
	$count[$corpus]["token"][$item[0]]["6+"] += $item[3];
	}
	else if ($item[1]>1) {
	$count[$corpus]["type"][$item[0]]["2-5"] += $item[2];
	$count[$corpus]["token"][$item[0]]["2-5"] += $item[3];
	}
	else if ($item[1]==1) {
	$count[$corpus]["type"][$item[0]]["1"] += $item[2];
	$count[$corpus]["token"][$item[0]]["1"] += $item[3];
	}
	else {
	$count[$corpus]["type"][$item[0]]["0"] += $item[2];
	$count[$corpus]["token"][$item[0]]["0"] += $item[3];
	}
	$total[$corpus]["type"][$item[0]] += $item[2];
	$total[$corpus]["token"][$item[0]] += $item[3];
	}
	}
	print "<b>coverage</b><br>\n";
	print "<table width=100%><tr>";
	foreach (array("token","type") as $by) {
	for($i=1;$i<=4;$i++) {
	print "<td align=center><b>$i-gram ($by)</b><br>\n";
	print "<table><tr><td></td><td>model</td><td>corpus</td></tr>\n";
	foreach (array("0","1","2-5","6+") as $range) {
	print "<tr><td>$range</td>";
	foreach (array("ttable","corpus") as $corpus) {
	printf("<td align=right nowrap>%d (%.1f%s)</td>",$count[$corpus][$by][$i][$range],100*$count[$corpus][$by][$i][$range]/($total[$corpus][$by][$i]+0.0001),"%");
	}
	print "</tr>\n";
	}
	print "</table></td>\n";
	}
	print "</tr><tr>";
	}
	print "</tr></table>\n";

	$data = file(filename_fallback_to_factored(get_current_analysis_filename("coverage","ttable-unknown")));
	for($i=0;$i<count($data);$i++) {
	list($word,$count) = split("\t",$data[$i]);
	$item["word"] = $word;
	$item["count"] = rtrim($count);
	$unknown[] = $item;
	}

	function cmp($a,$b) {
	if ($a["count"] > $b["count"]) {
	return -1;
	}
	else if ($a["count"] < $b["count"]) {
	return 1;
	}
	else {
	return strcmp($a["word"],$b["word"]);
	}
	}

	usort($unknown, 'cmp');

	print "<b>unknown words (to model)</b><br>\n";
	print "<table><tr><td valign=top><table>";
	$state = 5;
	foreach ($unknown as $item) {
	if ($item["count"] < $state) {
	if ($state == 5) { print "</table>"; }
	print "</td><td valign=top><b>".$item["count"].":</b> ";
	$state = $item["count"];
	if ($state == 1) { print "<font size=-1>"; }
	}
	else if ($state<5) {
	print ", ";
	}
	if ($state == 5) {
	print "<tr><td>".$item["count"]."</td><td>".$item["word"]."</td></tr>";
	}
	else {
	print $item["word"];
	}
	}
	print "</font></td></tr></table>\n";
	}

	function filename_fallback_to_factored($file) {
	if (file_exists($file)) {
	return $file;
	}
	$path = pathinfo($file);
	$dh = opendir($path['dirname']);
	while (($factored_file = readdir($dh)) !== false) {
	if (strlen($factored_file) > strlen($path['basename']) &&
	substr($factored_file,0,strlen($path['basename'])) == $path['basename'] &&
	preg_match("/0/",substr($factored_file,strlen($path['basename'])))) {
	return $path['dirname']."/".$factored_file;
	}
	}
	// found nothing...
	return $file;
	}

	function factor_name($input_output,$factor_id) {
	global $dir,$set,$id;
	$file = get_current_analysis_filename("coverage","factor-names");
	if (!file_exists($file)) {
	return $factor_id;
	}
	$in_out_names = file($file);
	$names = explode(",",trim($in_out_names[($input_output == "input")?0:1]));
	return "'".$names[$factor_id]."' ($factor_id)";
	}

	// stats on ngram coverage
	function coverage_summary() {
	global $dir,$set,$id,$corpus;

	if (array_key_exists("by",$_GET)) { $by = $_GET['by']; }
	else { $by = 'token'; }

	$total = array(); $count = array();
	foreach (array("ttable","corpus") as $corpus) {
	foreach (array("token","type") as $b) {
	foreach (array("6+","2-5","1","0") as $c) {
	$count[$corpus][$b][$c] = 0;
	}
	$total[$corpus][$b] = 0;
	}
	$data = file(filename_fallback_to_factored(get_current_analysis_filename("coverage","$corpus-coverage-summary")));
	for($i=0;$i<count($data);$i++) {
	$item = split("\t",$data[$i]);
	if ($item[0] == 1) {
	if ($item[1]>5) {
	$count[$corpus]["type"]["6+"] += $item[2];
	$count[$corpus]["token"]["6+"] += $item[3];
	}
	else if ($item[1]>1) {
	$count[$corpus]["type"]["2-5"] += $item[2];
	$count[$corpus]["token"]["2-5"] += $item[3];
	}
	else if ($item[1]==1) {
	$count[$corpus]["type"]["1"] += $item[2];
	$count[$corpus]["token"]["1"] += $item[3];
	}
	else {
	$count[$corpus]["type"]["0"] += $item[2];
	$count[$corpus]["token"]["0"] += $item[3];
	}
	$total[$corpus]["type"] += $item[2];
	$total[$corpus]["token"] += $item[3];
	}
	}
	}

	print "<b>Coverage</b>\n";
	print "<table><tr><td></td><td>model</td><td>corpus</td></tr>\n";
	foreach (array("0","1","2-5","6+") as $range) {
	print "<tr><td>$range</td>";
	foreach (array("ttable","corpus") as $corpus) {
	printf("<td align=right nowrap>%d (%.1f%s)</td>",$count[$corpus][$by][$range],100*$count[$corpus][$by][$range]/($total[$corpus][$by]+0.0001),"%");
	}
	print "</tr>\n";
	}
	print "</table>\n";
	if ($by == 'token') { print "by token"; } else {
	print "<A HREF=\"javascript:generic_show('CoverageSummary','by=token')\">by token</A> ";
	}
	print " / ";
	if ($by == 'type') { print "by type"; } else {
	print "<A HREF=\"javascript:generic_show('CoverageSummary','by=type')\">by type</A> ";
	}
	print " / ";
	print "<div id=\"CoverageDetailsLink\"><A HREF=\"javascript:generic_show('CoverageDetails','')\">details</A></div> ";
	}


	// stats on segmenation (phrase-based)
	function segmentation_summary() {
	global $dir,$set,$id;

	if (array_key_exists("by",$_GET)) { $by = $_GET['by']; }
	else { $by = 'word'; }

	$count = array();
	for($i=0;$i<=4;$i++) {
	$count[$i] = array();
	for($j=0;$j<=4;$j++) {
	$count[$i][$j] = 0;
	}
	}

	$total = 0;
	$file = get_current_analysis_filename("basic","segmentation");
	if (file_exists($file)) {
	$data = file($file);
	for($i=0;$i<count($data);$i++) {
	list($in,$out,$c) = split("\t",$data[$i]);
	if ($by == "word") { $c *= $in; }
	if ($in>4) { $in = 4; }
	if ($out>4) { $out = 4; }
	$total += $c;
	$count[$in][$out] += $c;
	}
	}
	else {
	$data = file(get_current_analysis_filename("basic","rule"));
	for($i=0;$i<count($data);$i++) {
	$field = split("\t",$data[$i]);
	$type = $field[0];
	$rule = $field[1];
	if (count($field) > 2) { $c = $field[2]; } else { $c = 0; }
	if ($type == "rule") {
	list($rule_in,$in,$nt,$rule_out,$out) = split(":",$rule);
	if ($by == "word") { $c *= $in; }
	if ($in>4) { $in = 4; }
	if ($out>4) { $out = 4; }
	$total += $c;
	$count[$in][$out] += $c;
	}
	}
	}

	print "<b>Phrase Segmentation</b><br>\n";
	print "<table>";
	print "<tr><td></td><td align=center>1</td><td align=center>2</td><td align=center>3</td><td align=center>4+</td></tr>";
	for($in=1;$in<=4;$in++) {
	print "<tr><td nowrap>$in".($in==4?"+":"")." to</td>";
	for($out=1;$out<=4;$out++) {
	if (array_key_exists($in,$count) &&
	array_key_exists($out,$count[$in])) {
	$c = $count[$in][$out];
	}
	else { $c = 0; }
	printf("<td align=right nowrap>%d (%.1f%s)</td>",$c,100*$c/$total,"%");
	}
	print "</tr>";
	}
	print "</table>\n";
	if ($by == 'word') { print "by word"; } else {
	print "<A HREF=\"javascript:generic_show('SegmentationSummary','by=word')\">by word</A> ";
	}
	print " / ";
	if ($by == 'phrase') { print "by phrase"; } else {
	print "<A HREF=\"javascript:generic_show('SegmentationSummary','by=phrase')\">by phrase</A> ";
	}
	}

	// hierarchical rules used in translation
	function rule_summary() {
	global $dir,$set,$id;
	$data = file(get_current_analysis_filename("basic","rule"));
	$rule = array(); $count = array(); $count_nt = array(); $count_w = array();
	$nt_count = 0; $total = 0;
	foreach ($data as $item) {
	$field = split("\t",$item);
	$type = $field[0];
	$d = $field[1];
	if (count($field) > 2) { $d2 = $field[2]; } else { $d2 = 0; }
	if ($type == "sentence-count") {
	$sentence_count = $d;
	}
	else if ($type == "glue-rule") {
	$glue_rule = $d / $sentence_count;
	}
	else if ($type == "depth") {
	$depth = $d / $sentence_count;
	}
	else {
	list($rule_in,$word_in,$nt,$rule_out,$word_out) = split(":",$d);
	$rule_in = preg_replace("/a/","x",$rule_in);
	$rule_in = preg_replace("/b/","y",$rule_in);
	$rule_in = preg_replace("/c/","z",$rule_in);
	$rule_out = preg_replace("/a/","x",$rule_out);
	$rule_out = preg_replace("/b/","y",$rule_out);
	$rule_out = preg_replace("/c/","z",$rule_out);
	$nt_count += $d2 * $nt;
	if (!array_key_exists($d,$rule)) { $rule[$d] = 0; }
	$rule[$d] += $d2;
	if (!array_key_exists($nt,$count)) { $count[$nt] = 0; }
	$count[$nt] += $d2;
	$just_nt = preg_replace("/\d/","",$rule_in)."-".preg_replace("/\d/","",$rule_out);
	$no_wc = preg_replace("/\d/","W",$rule_in)."-".preg_replace("/\d/","",$rule_out);
	if ($just_nt == "-") { $just_nt = "lexical"; }
	if (!array_key_exists($just_nt,$count_nt)) { $count_nt[$just_nt] = 0; }
	$count_nt[$just_nt] += $d2;
	if (!array_key_exists($no_wc,$count_w)) { $count_w[$no_wc] = 0; }
	$count_w[$no_wc] += $d2;
	$total += $d2;
	}
	}
	print "<b>Rules</b><br>\n";
	printf("glue rule: %.2f<br>\n",$glue_rule);
	printf("tree depth: %.2f<br>\n",$depth);
	printf("nt/rule: %.2f<br>\n",$nt_count/$total);
	print "<table>\n";
	arsort($count_nt);
	$i=0;
	foreach ($count_nt as $rule => $count) {
	if ($i++ < 5) { printf("<tr><td>%s</td><td align=right>%d</td><td align=right>%.1f%s</td></tr>\n",$rule,$count,$count/$total*100,'%'); }
	}
	if (count($count_nt)>5) { print "<tr><td align=center>...</td><td align=center>...</td><td align=center>...</td></tr>\n"; }
	print "</table>\n";
	}

	// annotated sentences, navigation
	function bleu_show() {

	$count = $_GET['count'];
	if ($count == 0) { $count = 5; }

	$filter = "";
	if (array_key_exists("filter",$_GET)) {
	$filter = base64_decode($_GET['filter']);
	}

	print "<b>annotated sentences</b><br><font size=-1>sorted by: ";

	if ($_GET['sort'] == "order" \|\| $_GET['sort'] == "") { print "order "; }
	else {
	print "<A HREF=\"javascript:show('bleu','order',$count,'".base64_encode($filter)."')\">order</A> ";
	}
	if ($_GET['sort'] == "best") { print "best "; }
	else {
	print "<A HREF=\"javascript:show('bleu','best',$count,'".base64_encode($filter)."')\">best</A> ";
	}
	if ($_GET['sort'] == "25") { print "25% "; }
	else {
	print "<A HREF=\"javascript:show('bleu','25',$count,'".base64_encode($filter)."')\">25%</A> ";
	}
	if ($_GET['sort'] == "avg") { print "avg "; }
	else {
	print "<A HREF=\"javascript:show('bleu','avg',$count,'".base64_encode($filter)."')\">avg</A> ";
	}
	if ($_GET['sort'] == "75") { print "75% "; }
	else {
	print "<A HREF=\"javascript:show('bleu','75',$count,'".base64_encode($filter)."')\">75%</A> ";
	}
	if ($_GET['sort'] == "worst") { print "worst; "; }
	else {
	print "<A HREF=\"javascript:show('bleu','worst',$count,'".base64_encode($filter)."')\">worst</A>; ";
	}

	print "showing: $count ";
	print "<A HREF=\"javascript:show('bleu','" . $_GET['sort'] . "',5+$count,'".base64_encode($filter)."')\">more</A> ";
	print "<A HREF=\"javascript:show('bleu','" . $_GET['sort'] . "',9999,'".base64_encode($filter)."')\">all</A>";

	if ($filter != "") {
	print "; filter: '$filter'";
	}

	sentence_annotation($count,$filter);
	print "<p align=center><A HREF=\"javascript:show('bleu','" . $_GET['sort'] . "',5+$count,'".base64_encode($filter)."')\">5 more</A> \| ";
	print "<A HREF=\"javascript:show('bleu','" . $_GET['sort'] . "',10+$count,'".base64_encode($filter)."')\">10 more</A> \| ";
	print "<A HREF=\"javascript:show('bleu','" . $_GET['sort'] . "',20+$count,'".base64_encode($filter)."')\">20 more</A> \| ";
	print "<A HREF=\"javascript:show('bleu','" . $_GET['sort'] . "',50+$count,'".base64_encode($filter)."')\">50 more</A> \| ";
	print "<A HREF=\"javascript:show('bleu','" . $_GET['sort'] . "',100+$count,'".base64_encode($filter)."')\">100 more</A> \| ";
	print "<A HREF=\"javascript:show('bleu','" . $_GET['sort'] . "',9999,'".base64_encode($filter)."')\">all</A> ";
	}

	// annotated sentences core: reads data, sorts sentences, displays them
	function sentence_annotation($count,$filter) {
	global $set,$id,$dir,$biconcor;

	# get input
	$filtered = array();
	$file = get_current_analysis_filename("coverage","input-annotation");
	if (file_exists($file)) {
	$input = file($file);
	# filter is so specified
	if ($filter != "") {
	for($i=0;$i<count($input);$i++) {
	$item = explode("\t",$input[$i]);
	$word = explode(" ",$item[0]);
	$keep = 0;
	for($j=0;$j<count($word);$j++) {
	if ($word[$j] == $filter) {
	$keep = 1;
	}
	}
	if (!$keep) { $filtered[$i] = 1; }
	}
	}
	}

	# load bleu scores
	$data = file(get_current_analysis_filename("basic","bleu-annotation"));
	for($i=0;$i<count($data);$i++) {
	$item = split("\t",$data[$i]);
	if (! array_key_exists($item[1],$filtered)) {
	$line["bleu"] = $item[0];
	$line["id"] = $item[1];
	$line["system"] = $item[2];
	$line["reference"] = "";
	for($j=3;$j<count($item);$j++) {
	if ($j>3) { $line["reference"] .= "<br>"; };
	$line["reference"] .= $item[$j];
	}
	$bleu[] = $line;
	}
	}

	# sort and label additional sentences as filtered
	global $sort;
	function cmp($a, $b) {
	global $sort;
	if ($sort == "order") {
	$a_idx = $a["id"];
	$b_idx = $b["id"];
	}
	else if ($sort == "worst" \|\| $sort == "75") {
	$a_idx = $a["bleu"];
	$b_idx = $b["bleu"];
	if ($a_idx == $b_idx) {
	$a_idx = $b["id"];
	$b_idx = $a["id"];
	}
	}
	else if ($sort == "best" \|\| $sort == "avg" \|\| $sort == "25") {
	$a_idx = -$a["bleu"];
	$b_idx = -$b["bleu"];
	if ($a_idx == $b_idx) {
	$a_idx = $a["id"];
	$b_idx = $b["id"];
	}
	}
	if ($a_idx == $b_idx) {
	return 0;
	}
	return ($a_idx < $b_idx) ? -1 : 1;
	}
	$sort = $_GET['sort'];
	if ($sort == '') {
	$sort = "order";
	}
	usort($bleu, 'cmp');

	$offset = 0;
	if ($sort == "25" \|\| $sort == "75") {
	$offset = (int) (count($bleu)/4);
	}
	else if ($sort == "avg") {
	$offset = (int) (count($bleu)/2);
	}

	$retained = array();
	for($i=$offset;$i<$count+$offset && $i<count($bleu);$i++) {
	$line = $bleu[$i];
	$retained[$line["id"]] = 1;
	}

	# get segmentation (phrase alignment)
	$file = get_current_analysis_filename("basic","segmentation-annotation");
	if (file_exists($file)) {
	$data = file($file);
	for($i=0;$i<count($data);$i++) {
	if ($filter == "" \|\| array_key_exists($i,$retained)) {
	$segment = 0;
	foreach (split(" ",$data[$i]) as $item) {
	list($in_start,$in_end,$out_start,$out_end) = split(":",$item);
	$segment++;
	$segmentation[$i]["input_start"][$in_start] = $segment;
	$segmentation[$i]["input_end"][$in_end] = $segment;
	$segmentation[$i]["output_start"][$out_start] = $segment;
	$segmentation[$i]["output_end"][$out_end+0] = $segment;
	}
	}
	}
	}

	# get hierarchical data
	$hierarchical = 0;
	$file = get_current_analysis_filename("basic","input-tree");
	if (file_exists($file)) {
	$data = file($file);
	$span = 0;
	$last_sentence = -1;
	$nt_count = array();
	for($i=0;$i<count($data);$i++) {
	list($sentence,$brackets,$nt,$words) = split("\t",$data[$i]);
	if ($sentence != $last_sentence) { $span = 0; }
	$last_sentence = $sentence;
	if (array_key_exists($sentence,$retained)) {
	$segmentation[$sentence][$span]["brackets"] = $brackets;
	# $segmentation[$sentence][$span]["nt"] = $nt;
	$segmentation[$sentence][$span]["words"] = rtrim($words);
	if ($nt != "") { $nt_count[$nt]=1; }
	$span++;
	}
	}
	$hierarchical = 1;
	# if (count($nt_count) <= 2) {
	# foreach ($segmentation as $sentence => $segmentation_span) {
	# foreach ($segmentation_span as $span => $type) {
	# $segmentation[$sentence][$span]["nt"]="";
	# }
	# }
	# }
	}
	$file = get_current_analysis_filename("basic","output-tree");
	if (file_exists($file)) {
	$data = file($file);
	$span = 0;
	$last_sentence = -1;
	$nt_count = array();
	for($i=0;$i<count($data);$i++) {
	list($sentence,$brackets,$nt,$words) = split("\t",$data[$i]);
	if ($sentence != $last_sentence) { $span = 0; }
	$last_sentence = $sentence;
	if (array_key_exists($sentence,$retained)) {
	$segmentation_out[$sentence][$span]["brackets"] = $brackets;
	$segmentation_out[$sentence][$span]["nt"] = $nt;
	$segmentation_out[$sentence][$span]["words"] = rtrim($words);
	if ($nt != "") { $nt_count[$nt]=1; }
	$span++;
	}
	}
	# no non-terminal markup, if there are two or less non-terminals (X,S)
	if (count($nt_count) <= 2) {
	foreach ($segmentation_out as $sentence => $segmentation_span) {
	foreach ($segmentation_span as $span => $type) {
	$segmentation_out[$sentence][$span]["nt"]="";
	}
	}
	}
	}
	$file = get_current_analysis_filename("basic","node");
	if (file_exists($file)) {
	$data = file($file);
	$n = 0;
	$last_sentence = -1;
	for($i=0;$i<count($data);$i++) {
	list($sentence,$depth,$start_div,$end_div,$start_div_in,$end_div_in,$children) = split(" ",$data[$i]);
	if ($sentence != $last_sentence) { $n = 0; }
	$last_sentence = $sentence;
	if (array_key_exists($sentence,$retained)) {
	$node[$sentence][$n]['depth'] = $depth;
	$node[$sentence][$n]['start_div'] = $start_div;
	$node[$sentence][$n]['end_div'] = $end_div;
	$node[$sentence][$n]['start_div_in'] = $start_div_in;
	$node[$sentence][$n]['end_div_in'] = $end_div_in;
	$node[$sentence][$n]['children'] = rtrim($children);
	$n++;
	}
	}
	}

	# display
	if ($filter != "") {
	print " (".(count($input)-count($filtered))." retaining)";
	}
	print "</font><BR>\n";

	$biconcor = get_biconcor_version($dir,$set,$id);
	//print "<div id=\"debug\">$sort / $offset</div>";
	for($i=$offset;$i<$count+$offset && $i<count($bleu);$i++) {
	$line = $bleu[$i];
	$search_graph_dir = get_current_analysis_filename("basic","search-graph");
	if (file_exists($search_graph_dir) && file_exists($search_graph_dir."/graph.".$line["id"])) {
	$state = return_state_for_link();
	print "<FONT SIZE=-1><A TARGET=_blank HREF=\"?$state&analysis=sgviz&set=$set&id=$id&sentence=".$line["id"]."\">show search graph</a></FONT><br>\n";
	}

	if ($hierarchical) {
	annotation_hierarchical($line["id"],$segmentation[$line["id"]],$segmentation_out[$line["id"]],$node[$line["id"]]);
	}
	if ($input) {
	print "<div id=\"info-".$line["id"]."\" style=\"border-color:black; background:#ffff80; opacity:0; width:100%; border:1px;\">0 occ. in corpus, 0 translations, entropy: 0.00</div>\n";
	if ($biconcor) {
	print "<div id=\"biconcor-".$line["id"]."\" class=\"biconcor\"><font size=-2>(click on input phrase for bilingual concordancer)</font></div>";
	}
	if ($hierarchical) {
	sentence_annotation_hierarchical("#".$line["id"],$line["id"],$input[$line["id"]],$segmentation[$line["id"]],"in");
	}
	else {
	print "<font size=-2>[#".$line["id"]."]</font> ";
	input_annotation($line["id"],$input[$line["id"]],$segmentation[$line["id"]],$filter);
	}
	}
	//else {
	// print "<font size=-2>[".$line["id"].":".$line["bleu"]."]</font> ";
	//}
	if ($hierarchical) {
	sentence_annotation_hierarchical($line["bleu"],$line["id"],$line["system"],$segmentation_out[$line["id"]],"out");
	}
	else {
	print "<font size=-2>[".$line["bleu"]."]</font> ";
	output_annotation($line["id"],$line["system"],$segmentation[$line["id"]]);
	}
	print "<br><font size=-2>[ref]</font> ".$line["reference"]."<hr>";
	}
	}

	function coverage($coverage_vector) {
	# get information from line in input annotation file
	$coverage = array();
	foreach (split(" ",$coverage_vector) as $item) {
	if (preg_match("/[\-:]/",$item)) {
	$field = preg_split("/[\-:]/",$item);
	$from = $field[0];
	$to = $field[1];
	if (count($field)>2){ $coverage[$from][$to]["corpus_count"]=$field[2]; }
	if (count($field)>3){ $coverage[$from][$to]["ttable_count"]=$field[3]; }
	if (count($field)>4){ $coverage[$from][$to]["ttabel_entropy"]=$field[4]; }
	}
	}

	return $coverage;
	}

	// annotate an inpute sentence
	function input_annotation($sentence,$input,$segmentation,$filter) {
	global $biconcor;
	list($words,$coverage_vector) = split("\t",$input);

	# get information from line in input annotation file
	$coverage = array();
	foreach (split(" ",$coverage_vector) as $item) {
	if (preg_match("/[\-:]/",$item)) {
	list($from,$to,$corpus_count,$ttable_count,$ttable_entropy) = preg_split("/[\-:]/",$item);
	$coverage[$from][$to]["corpus_count"] = $corpus_count;
	$coverage[$from][$to]["ttable_count"] = $ttable_count;
	$coverage[$from][$to]["ttable_entropy"] = $ttable_entropy;
	}
	}
	$word = split(" ",$words);

	# compute the display level for each input phrase
	for($j=0;$j<count($word);$j++) {
	$box[] = array();
	$separable[] = 1;
	}
	$max_level = 0;
	for($length=1;$length<=7;$length++) {
	for($from=0;$from<count($word)-($length-1);$from++) {
	$to = $from + ($length-1);
	if (array_key_exists($from,$coverage) &&
	array_key_exists($to,$coverage[$from]) &&
	array_key_exists("corpus_count",$coverage[$from][$to])) {
	$level=0;
	$available = 0;
	while(!$available) {
	$available = 1;
	$level++;
	for($j=$from;$j<=$to;$j++) {
	if (array_key_exists($level,$box) &&
	array_key_exists($j,$box[$level])) {
	$available = 0;
	}
	}
	}
	for($j=$from;$j<=$to;$j++) {
	$box[$level][$j] = $to;
	}
	$max_level = max($max_level,$level);
	for($j=$from+1;$j<=$to;$j++) {
	$separable[$j] = 0;
	}
	}
	}
	}
	$separable[count($word)] = 1;

	# display input phrases
	$sep_start = 0;
	for($sep_end=1;$sep_end<=count($word);$sep_end++) {
	if ($separable[$sep_end] == 1) {
	# one table for each separable block
	print "<table cellpadding=1 cellspacing=0 border=0 style=\"display: inline-table;\">";
	for($level=$max_level;$level>=1;$level--) {
	# rows for phrase display
	print "<tr style=\"height:5px;\">";
	for($from=$sep_start;$from<$sep_end;$from++) {
	if (array_key_exists($from,$box[$level])) {
	$to = $box[$level][$from];
	$size = $to - $from + 1;
	if ($size == 1) {
	print "<td><div style=\"height:0px; opacity:0; position:relative; z-index:-9;\">".$word[$from];
	}
	else {
	$color = coverage_color($coverage[$from][$to]);
	$phrase = "";
	$highlightwords = "";
	$lowlightwords = "";
	for($j=$from;$j<=$to;$j++) {
	if ($j>$from) { $phrase .= " "; }
	$phrase .= $word[$j];
	$highlightwords .= " document.getElementById('inputword-$sentence-$j').style.backgroundColor='#ffff80';";
	$lowlightwords .= " document.getElementById('inputword-$sentence-$j').style.backgroundColor='".coverage_color($coverage[$j][$j])."';";
	}
	print "<td colspan=$size><div style=\"background-color: $color; height:3px;\" onmouseover=\"show_word_info($sentence,".$coverage[$from][$to]["corpus_count"].",".$coverage[$from][$to]["ttable_count"].",".$coverage[$from][$to]["ttable_entropy"]."); this.style.backgroundColor='#ffff80';$highlightwords\" onmouseout=\"hide_word_info($sentence); this.style.backgroundColor='$color';$lowlightwords;\"".($biconcor?" onclick=\"show_biconcor($sentence,'".base64_encode($phrase)."');\"":"").">";
	}
	print "</div></td>";
	$from += $size-1;
	}
	else {
	print "<td><div style=\"height:".($from==$to ? 0 : 3)."px;\"></div></td>";
	}
	}
	print "</tr>\n";
	}
	# display input words
	print "<tr><td colspan=".($sep_end-$sep_start)."><div style=\"position:relative; z-index:1;\">";
	for($j=$sep_start;$j<$sep_end;$j++) {
	if ($segmentation && array_key_exists($j,$segmentation["input_start"])) {
	$id = $segmentation["input_start"][$j];
	print "<span id=\"input-$sentence-$id\" style=\"border-color:#000000; border-style:solid; border-width:1px;\" onmouseover=\"highlight_phrase($sentence,$id);\" onmouseout=\"lowlight_phrase($sentence,$id);\">";
	}
	if (array_key_exists($j,$coverage)) {
	$color = coverage_color($coverage[$j][$j]);
	$cc = $coverage[$j][$j]["corpus_count"];
	$tc = $coverage[$j][$j]["ttable_count"];
	$te = $coverage[$j][$j]["ttable_entropy"];
	}
	else { # unknown words
	$color = '#ffffff';
	$cc = 0; $tc = 0; $te = 0;
	}
	print "<span id=\"inputword-$sentence-$j\" style=\"background-color: $color;\" onmouseover=\"show_word_info($sentence,$cc,$tc,$te); this.style.backgroundColor='#ffff80';\" onmouseout=\"hide_word_info($sentence); this.style.backgroundColor='$color';\"".($biconcor?" onclick=\"show_biconcor($sentence,'".base64_encode($word[$j])."');\"":"").">";
	if ($word[$j] == $filter) {
	print "<b><font color=#ff0000>".$word[$j]."</font></b>";
	}
	else {
	print $word[$j];
	}
	print "</span>";
	if ($segmentation && array_key_exists($j,$segmentation["input_end"])) {
	print "</span>";
	}
	print " ";
	}
	print "</div></td></tr>\n";
	print "</table>\n";
	$sep_start = $sep_end;
	}
	}
	print "<br>";
	}

	// color-coded coverage stats (corpus count, ttable count, entropy)
	function coverage_color($phrase) {
	$corpus_count = 255 - 10 * log(1 + $phrase["corpus_count"]);
	if ($corpus_count < 128) { $corpus_count = 128; }
	$cc_color = dechex($corpus_count / 16) . dechex($corpus_count % 16);

	$ttable_count = 255 - 20 * log(1 + $phrase["ttable_count"]);
	if ($ttable_count < 128) { $ttable_count = 128; }
	$tc_color = dechex($ttable_count / 16) . dechex($ttable_count % 16);

	$ttable_entropy = 255 - 32 * $phrase["ttable_entropy"];
	if ($ttable_entropy < 128) { $ttable_entropy = 128; }
	$te_color = dechex($ttable_entropy / 16) . dechex($ttable_entropy % 16);

	// $color = "#". $cc_color . $te_color . $tc_color; # reddish browns with some green
	// $color = "#". $cc_color . $tc_color . $te_color; # reddish brown with some blueish purple
	$color = "#". $te_color . $cc_color . $tc_color; # pale green towards red
	// $color = "#". $te_color . $tc_color . $cc_color; # pale purple towards red
	// $color = "#". $tc_color . $te_color . $cc_color; // # blue-grey towards green
	// $color = "#". $tc_color . $cc_color . $te_color; // # green-grey towards blue

	return $color;
	}

	// annotate an output sentence
	function output_annotation($sentence,$system,$segmentation) {
	#$color = array("#FFC0C0","#FFC0FF","#C0C0FF","#C0FFFF","#C0FFC0");
	$color = array("#c0c0c0","#e0e0ff","#b0b0ff","#8080ff","#4040ff");
	$word = split(" ",$system);

	for($j=0;$j<count($word);$j++) {
	list($surface,$correct) = split("\\|", $word[$j]);
	if ($segmentation && array_key_exists($j,$segmentation["output_start"])) {
	$id = $segmentation["output_start"][$j];
	print "<span id=\"output-$sentence-$id\" style=\"border-color:#000000; border-style:solid; border-width:1px;\" onmouseover=\"highlight_phrase($sentence,$id);\" onmouseout=\"lowlight_phrase($sentence,$id);\">";
	}
	print "<span style=\"background-color: $color[$correct]\">$surface</span>";
	if ($segmentation && array_key_exists($j,$segmentation["output_end"])) {
	print "</span>";
	}
	print " ";
	}
	}

	function annotation_hierarchical($sentence,$segmentation,$segmentation_out,$node) {
	print "<script language=\"javascript\">\n";
	print "max_depth[$sentence] = ".strlen($segmentation[0]["brackets"]).";\n";
	print "span_count_out[$sentence] = ".count($segmentation_out).";\n";
	print "span_count_in[$sentence] = ".count($segmentation).";\n";
	print "nodeIn[$sentence] = [];\n";
	print "nodeOut[$sentence] = [];\n";
	print "nodeChildren[$sentence] = [];\n";
	for($n=0;$n<count($node);$n++) {
	print "nodeIn[$sentence].push({ start: ".$node[$n]['start_div_in'].", end: ".$node[$n]['end_div_in'].", depth: ".$node[$n]['depth']." });\n";
	print "nodeOut[$sentence].push({ start: ".$node[$n]['start_div'].", end: ".$node[$n]['end_div'].", depth: ".$node[$n]['depth']." });\n";
	print "nodeChildren[$sentence].push([".$node[$n]['children']."]);\n";
	}
	print "</script>\n";
	}

	function sentence_annotation_hierarchical($info,$sentence,$sequence,$segmentation,$in_out) {
	$In_Out = $in_out == "out" ? "Out" : "In";

	#list($words,$coverage_vector) = split("\t",$input);
	$coverage = coverage($sequence);
	$word = preg_split("/\s/",$sequence);

	$color = array("#ffe0e0","#f0e0ff","#e0e0ff","#c0c0ff","#a0a0ff");
	#$color = array("#FFC0C0","#FFC0FF","#C0C0FF","#C0FFFF","#C0FFC0");
	#$color = array("#c0c0c0","#e0e0ff","#b0b0ff","#8080ff","#4040ff");

	print "<table><tr><td>\n";
	print "<div class=\"enclosing\"><font size=-2>[$info]</font></div>";
	$word_count = 0;
	for($span=0;$span<count($segmentation);$span++) {
	print "<div class=\"enclosing\">";
	for($depth=0;$depth<strlen($segmentation[$span]["brackets"]);$depth++) {
	$class = substr($segmentation[$span]["brackets"],$depth,1);
	$action = " id=\"$in_out-$sentence-$span-$depth\" onMouseOver=\"align$In_Out($sentence,$span,$depth);\" onMouseOut=\"unAlign($sentence);\"";
	if ($class == " ") { $class = "empty"; $action = ""; }
	else if ($class == "[") { $class = "opening"; }
	else if ($class == "]") { $class = "closing"; }
	else if ($class == "O") { $class = "leaf"; }
	else if ($class == "-") { $class = "continued"; }
	print "<div class=\"$class\"$action>";
	}

	$words = $segmentation[$span]["words"];

	# non terminal
	if (array_key_exists("nt",$segmentation[$span]) &&
	$segmentation[$span]["nt"] != "") {
	print $segmentation[$span]["nt"].": ";
	}

	# no nonterminal and no words => invisible bar
	else if($words == "") {
	print "<span style=\"opacity:0\">\|</span>";
	}

	$span_word = array();
	if ($words != "") { $span_word = split(" ",$words); }
	for($w=0;$w<count($span_word);$w++) {
	if ($w > 0) { print " "; }
	if ($in_out == "in") {
	#print "<span style=\"background-color: ".coverage_color($coverage[$word_count][$word_count]).";\">";
	print $word[$word_count];
	#print "</span>";
	}
	else {
	list($surface,$correct) = split("\\|", $word[$word_count]);

	print "<span style=\"background-color: $color[$correct]\">$surface</span>";
	}
	$word_count++;
	}

	for($depth=0;$depth<strlen($segmentation[$span]["brackets"]);$depth++) {
	print "</div>";
	}
	print "</div>"; # enclosing
	}
	print "</td></tr></table>\n";
	}

	function biconcor($query) {
	global $set,$id,$dir;
	$sentence = $_GET['sentence'];
	$biconcor = get_biconcor_version($dir,$set,$id);
	print "<center>
	<form method=\"get\" id=\"BiconcorForm\" onsubmit=\"return false;\">
	<img src=\"close.gif\" width=17 height=17 onClick=\"close_biconcor($sentence);\">
	<input width=20 id=\"BiconcorQuery\" value=\"$query\">
	<input type=submit onclick=\"show_biconcor($sentence,Base64.encode(document.getElementById('BiconcorQuery').value));\" value=\"look up\">
	</form>
	<div class=\"biconcor-content\">";
	$cmd = "./biconcor -html -l $dir/model/biconcor.$biconcor -Q ".base64_encode($query)." 2>/dev/null";
	# print $cmd."<p>";
	system($cmd);
	# print "<p>done.";
	print "</div></center>";

	}