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139 lines
5.7 KiB
HTML
139 lines
5.7 KiB
HTML
<!DOCTPYE html>
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<html>
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<head>
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<link rel=stylesheet href="../css/style0.css">
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<meta name = "viewport" content = "width = device-width">
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<link rel=top href="../" title="GF">
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</head>
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<body>
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<h1>GF Offline Translator - a mobile speech and text translation app
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for Android and iOS</h1>
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<center>
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<img src="images/app-trans.png" width=200>
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</center>
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<p>
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Android: download for free from <a
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href="https://play.google.com/store/apps/details?id=org.grammaticalframework.ui.android">Play
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Store</a>!
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Or take the <a
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href="http://www.grammaticalframework.org/~aarne/App14.apk">current
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development version</a>.
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<br>
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iOS (iPhone, iPad): coming in June 2015.
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</p>
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<p>
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Or try first a
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<a href="http://cloud.grammaticalframework.org/wc.html">web version of the translator</a>
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</p>
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<p>
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GF Offline Translator is based on grammar and semantics. It is compact in size
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and gives control on quality. Its technology is inspired by compilers, which are
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programs that translate computer languages.
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Most other translators for human language are based on
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statistics and have less control of quality and are much bigger, so that
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they require either an internet connection or a huge storage on your phone.
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</p>
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The app indicates translation confidence with colours:
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<ul>
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<li><b>Green</b>:
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semantic translation, should be correct.
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But not necessarily the only correct one.
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You can tap the output to see alternatives.
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</li>
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<li><b>Yellow</b>:
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syntactic translation, should be grammatically correct.
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But can be very strange in its interpretation and choice of words.
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</li>
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<li><b>Light red</b>:
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chunk translation, probably incorrect.
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Builds the translation from small pieces.
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</li>
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<li><b>Dark red</b>:
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word-by-word translation, almost certainly incorrect.
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Builds the translation word by word.
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</li>
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</ul>
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The green translations come from a tourist phrasebook, which allows
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you to translate things like "hello" and "how far is the airport from
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the hotel".
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</p>
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<p>
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You can translate both speech and text, as selected in the menu in the
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upper right corner. Both kinds of input can be edited with the
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keyboard by first tapping at the input field. This is often needed
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because of <b>speech recognition errors</b>. Changing words
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from <b>upper to lower case</b> may also be needed.
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At the moment, <b>Japanese</b> and <b>Thai</b> input must be separated
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to words, whereas Chinese works without spaces.
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</p>
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<p>
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Translation works between any of the 14 supported languages, which means 182
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language pairs in the current development version (the official
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Android version has 12 languages).
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But different languages are on different levels of development.
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The following table gives a rough idea of what to expect:
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</p>
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<p>
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<center>
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<table rules=all border=yes>
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<tr> <th></th> <th>coverage</th> <th>quality</th> <th>speed</th> <th>speech</th> </tr>
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<tr> <th>Bulgarian</th> <td bgcolor=yellow></td> <td bgcolor=yellow></td><td bgcolor=palegreen></td> <td bgcolor=yellow>in only</td></tr>
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<tr> <th>Catalan</th> <td bgcolor=pink></td> <td bgcolor=yellow></td><td bgcolor=pink></td> <td bgcolor=yellow>in only</td></tr>
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<tr> <th>Chinese</th> <td bgcolor=pink></td> <td bgcolor=pink></td> <td bgcolor=palegreen></td> <td bgcolor=yellow></td> </tr>
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<tr> <th>Dutch</th> <td bgcolor=yellow></td> <td bgcolor=yellow></td> <td bgcolor=yellow></td> <td bgcolor=palegreen></td> </tr>
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<tr> <th>English</th> <td bgcolor=palegreen></td> <td bgcolor=palegreen></td> <td bgcolor=palegreen></td> <td bgcolor=palegreen></td> </tr>
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<tr> <th>Finnish</th> <td bgcolor=yellow></td> <td bgcolor=yellow></td><td bgcolor=pink></td> <td bgcolor=yellow>in only</td></tr>
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<tr> <th>French</th> <td bgcolor=pink></td> <td bgcolor=yellow></td><td bgcolor=pink></td> <td bgcolor=palegreen></td></tr>
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<tr> <th>German</th> <td bgcolor=pink></td> <td bgcolor=yellow></td><td bgcolor=pink></td> <td bgcolor=palegreen></td></tr>
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<tr> <th>Hindi</th> <td bgcolor=pink></td> <td bgcolor=red></td> <td bgcolor=yellow></td> <td bgcolor=yellow>in only</td> </tr>
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<tr> <th>Italian</th> <td bgcolor=pink></td> <td bgcolor=pink></td><td bgcolor=pink></td> <td bgcolor=palegreen></td></tr>
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<tr> <th>Japanese</th> <td bgcolor=pink></td> <td bgcolor=pink></td><td bgcolor=yellow></td> <td bgcolor=palegreen></td></tr>
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<tr> <th>Spanish</th> <td bgcolor=pink></td> <td bgcolor=yellow></td><td bgcolor=pink></td> <td bgcolor=palegreen></td></tr>
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<tr> <th>Swedish</th> <td bgcolor=yellow></td> <td bgcolor=yellow></td> <td bgcolor=palegreen></td> <td bgcolor=yellow>in only</td></tr>
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<tr> <th>Thai</th> <td bgcolor=pink></td> <td bgcolor=pink></td><td bgcolor=yellow></td> <td bgcolor=palegreen></td></tr>
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</table>
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</center>
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</p>
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<p>
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The speech input and output use Google's voice services. Their status
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can hence change without notice. You can make it more stable by
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installing third-party speech tools, such as SVOX, which provides
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output for most of the listed languages.
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</p>
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<p>
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When you tap on a translation you get a screen with <b>alternative translations</b>.
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Tapping on each of the alternatives
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gives you <b>grammatical information</b>:
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an inflection table, if it is a single word,
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and a syntax tree otherwise.
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</p>
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<p>
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Powered by <a href="http://www.grammaticalframework.org/">GF</a>,
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built by support from the GF community and from <a href="http://www.digitalgrammars.com/">Digital Grammars</a>.
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</p>
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<p>
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Publication: <a
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href="http://www.aclweb.org/anthology/E/E14/E14-2011.pdf">EACL 2014
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demo paper</a>
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</p>
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<center>
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<img src="images/app-table.png" width=160>
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<img src="images/app-disamb.png" width=160>
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</center>
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</body>
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</html>
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