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Term Ranking Adapta...
Term Ranking Adaptation to the Domain : Genetic Algorithm-Based Optimisation of the C-Value
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- Hamon, Thierry (författare)
- LIMSI-CNRS, Orsay, France
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- Engström, Christopher (författare)
- Mälardalens högskola,Utbildningsvetenskap och Matematik,Mathematics and Applied Mathematics
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- Silvestrov, Sergei, 1970- (författare)
- Mälardalens högskola,Utbildningsvetenskap och Matematik,Mathematics and Applied Mathematics
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(creator_code:org_t)
- Cham : Springer International Publishing, 2014
- 2014
- Engelska.
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Ingår i: Advances in Natural Language Processing. - Cham : Springer International Publishing. - 9783319108889 ; , s. 71-83
- Relaterad länk:
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http://dx.doi.org/10...
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visa fler...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Term extraction methods based on linguistic rules have been proposed to help the terminology building from corpora. As they face the difficulty of identifying the relevant terms among the noun phrases extracted, statistical measures have been proposed. However, the term selection results may depend on corpus and strong assumptions reflecting specific terminological practice. We tackle this problem by proposing a parametrised C-Value which optimally considers the length and the syntactic roles of the nested terms thanks to a genetic algorithm. We compare its impact on the ranking of terms extracted from three corpora. Results show average precision increased by 9% above the frequency-based ranking and by 12% above the C-Value-based ranking.
Ämnesord
- NATURVETENSKAP -- Matematik (hsv//swe)
- NATURAL SCIENCES -- Mathematics (hsv//eng)
- NATURVETENSKAP -- Matematik -- Beräkningsmatematik (hsv//swe)
- NATURAL SCIENCES -- Mathematics -- Computational Mathematics (hsv//eng)
- NATURVETENSKAP -- Matematik -- Annan matematik (hsv//swe)
- NATURAL SCIENCES -- Mathematics -- Other Mathematics (hsv//eng)
Nyckelord
- Terminology; term extraction; term ranking; genetic algorithm
- Mathematics/Applied Mathematics
- matematik/tillämpad matematik
Publikations- och innehållstyp
- ref (ämneskategori)
- kon (ämneskategori)
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