Ch.8 Copyright, Licensing and Creative CommonsRegulation
Question
What is text and data mining in copyright discussions?
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Answer
Automated analysis of text or data to detect patterns, trends, or correlations.
EU copyright law includes TDM exceptions, with conditions and opt-outs depending on context.
EPSOHQ Digital Skills DB / EU digital acquis
Deep dive
Text and data mining: lawful access and opt-out trap
Automated analysis of text or data to detect patterns, trends, or correlations. The EU exception only applies if you have lawful access and the rights holder has not exercised a machine-readable opt-out.
(function(){
var players = document.querySelectorAll('[data-audio-captions][data-captions-url]');
var parseTimestamp = function(value) {
var parts = value.trim().split(':');
var seconds = parts.pop() || '0';
var minutes = parts.pop() || '0';
var hours = parts.pop() || '0';
return (Number(hours) * 3600) + (Number(minutes) * 60) + Number(seconds.replace(',', '.'));
};
var parseCues = function(text) {
return text
.replace(/\r/g, '')
.split(/\n\n+/)
.map(function(block) { return block.split('\n').filter(Boolean); })
.filter(function(lines) { return lines.length >= 2 && lines[0] !== 'WEBVTT'; })
.map(function(lines) {
if (!lines[0].includes('-->')) {
lines.shift();
}
var timing = lines.shift() || '';
var parts = timing.split('-->').map(function(part) { return part.trim(); });
return {
start: parseTimestamp(parts[0] || '0'),
end: parseTimestamp(parts[1] || '0'),
text: lines.join(' '),
};
})
.filter(function(cue) { return Number.isFinite(cue.start) && Number.isFinite(cue.end) && cue.text !== ''; });
};
var findCue = function(cues, time) {
return cues.find(function(cue) { return time >= cue.start && time < cue.end; })
|| cues.find(function(cue) { return time < cue.start; })
|| cues[cues.length - 1]
|| null;
};
players.forEach(function(player) {
var audio = player.querySelector('audio');
var output = player.querySelector('[data-audio-captions-output]');
if (!audio || !output) {
return;
}
fetch(player.dataset.captionsUrl)
.then(function(response) { return response.ok ? response.text() : ''; })
.then(function(text) {
var cues = parseCues(text);
var activeText = '';
var render = function() {
var cue = findCue(cues, audio.currentTime);
if (!cue || cue.text === activeText) {
return;
}
activeText = cue.text;
output.textContent = cue.text;
};
render();
audio.addEventListener('timeupdate', render);
audio.addEventListener('seeked', render);
audio.addEventListener('play', render);
});
});
})();
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