Details
Strings of Natural Languages
Unsupervised Analysis and Segmentation on the Expression Level1. Auflage
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48,00 € |
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| Verlag: | diplom.de |
| Format: | |
| Veröffentl.: | 31.10.2007 |
| ISBN/EAN: | 9783836606271 |
| Sprache: | englisch |
| Anzahl Seiten: | 146 |
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Beschreibungen
Inhaltsangabe:Abstract:
Learning a second language is often difficult. One major reason for this is the way we learn: We try to translate the words and concepts of the other language into those of our own language. As long as the languages are fairly similar, this works quite well. However, when the languages differ to a great degree, problems are bound to appear. For example, to someone whose first language is French, English is not difficult to learn. In fact, he can pick up any English book and at the very least recognize words and sentences. But if he is tasked with reading a Japanese text, he will be completely lost: No familiar letters, no whitespace, and only occasionally a glyph that looks similar to a punctuation mark appears.
Nevertheless, anyone can learn any language. Correct pronunciation and understanding alien utterances may be hard for the individual, but as soon as the words are transcribed to some kind of script, they can be studied and - given some time - understood. The script thus offers itself as a reliable medium of communication.
Sometimes the script can be very complex, though. For instance, the Japanese language is not much more difficult than German - but the Japanese script is. If someone untrained in the language is given a Japanese book and told to create a list of its vocabulary, he will likely have to succumb to the task.
Or does he not? Are there maybe ways to analyze the text, regardless of his unfamiliarity with this type of script and language? Should there not be characteristics shared by all languages which can be exploited?
This thesis assumes the point of view of such a person, and shows how to segment a corpus in an unfamiliar language while employing as little previous knowledge as possible.
To this end, a methodology for the analysis of unknown languages is developed. The single requirement made is that a large corpus in electronic form which underwent only a minimum of preprocessing is available. Analysis is limited strictly to the expression level; semantics are purposefully left out of consideration. This distinguishes this work clearly from other works, limits comparability to some extent, and may make detection of some kinds of language features hard or even impossible.
Only unsupervised analysis is admissible, and no specific information on grammatical rules, ways to segment the text, what separators look like etc. is employed. Furthermore, no parameters such as absolute thresholds or selection […]
Learning a second language is often difficult. One major reason for this is the way we learn: We try to translate the words and concepts of the other language into those of our own language. As long as the languages are fairly similar, this works quite well. However, when the languages differ to a great degree, problems are bound to appear. For example, to someone whose first language is French, English is not difficult to learn. In fact, he can pick up any English book and at the very least recognize words and sentences. But if he is tasked with reading a Japanese text, he will be completely lost: No familiar letters, no whitespace, and only occasionally a glyph that looks similar to a punctuation mark appears.
Nevertheless, anyone can learn any language. Correct pronunciation and understanding alien utterances may be hard for the individual, but as soon as the words are transcribed to some kind of script, they can be studied and - given some time - understood. The script thus offers itself as a reliable medium of communication.
Sometimes the script can be very complex, though. For instance, the Japanese language is not much more difficult than German - but the Japanese script is. If someone untrained in the language is given a Japanese book and told to create a list of its vocabulary, he will likely have to succumb to the task.
Or does he not? Are there maybe ways to analyze the text, regardless of his unfamiliarity with this type of script and language? Should there not be characteristics shared by all languages which can be exploited?
This thesis assumes the point of view of such a person, and shows how to segment a corpus in an unfamiliar language while employing as little previous knowledge as possible.
To this end, a methodology for the analysis of unknown languages is developed. The single requirement made is that a large corpus in electronic form which underwent only a minimum of preprocessing is available. Analysis is limited strictly to the expression level; semantics are purposefully left out of consideration. This distinguishes this work clearly from other works, limits comparability to some extent, and may make detection of some kinds of language features hard or even impossible.
Only unsupervised analysis is admissible, and no specific information on grammatical rules, ways to segment the text, what separators look like etc. is employed. Furthermore, no parameters such as absolute thresholds or selection […]
Inhaltsangabe:Abstract:
Learning a second language is often difficult. One major reason for this is the way we learn: We try to translate the words and concepts of the other language into those of our own language. As long as the languages are fairly similar, this works quite well. However, when the languages differ to a great degree, problems ...
Learning a second language is often difficult. One major reason for this is the way we learn: We try to translate the words and concepts of the other language into those of our own language. As long as the languages are fairly similar, this works quite well. However, when the languages differ to a great degree, problems ...
Markus Stengel, Diplom-Informatik und Japanologie, Studium an der Universität Tübingen und an der Technischen Universität Toyohashi (Japan). Abschluss 2007 als Diplom-Informatiker und Bachelor of Arts in Japanologie. Derzeit tätig in der IT eines Finanzdienstleisters.
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