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All Journal Jurnal Nasional Teknik Elektro dan Teknologi Informasi
Putu Bagus Susastra Wiguna
Universitas Gadjah Mada
Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Energy Engineering

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Peningkatan Algoritma Porter Stemmer Bahasa Indonesia berdasarkan Metode Morfologi dengan Mengaplikasikan 2 Tingkat Morfologi dan Aturan Kombinasi Awalan dan Akhiran Putu Bagus Susastra Wiguna; Bimo Sunarfri Hantono
Jurnal Nasional Teknik Elektro dan Teknologi Informasi Vol 2 No 2: Mei 2013
Publisher : Departemen Teknik Elektro dan Teknologi Informasi, Fakultas Teknik, Universitas Gadjah Mada

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Abstract

Stemmer has been used in document processing like: information retrieval, question answering, spell checking, language translator, document clustering, document classification. Stemmer method based on word morphology has some lack such as: incorrect prefix removal on root words beginning with the letter “k”, “t”, “s” and “p”, Incorrect suffix removal especially for “-kan” and “-an” suffix. To handle these problems, this research proposes a stemmer that uses two level morphology to root word beginning with the letter “k”, “t”, “s”, “p” and use prefix and suffix combination rules to remove suffix on a word. Example: “di-” as the prefix should only be paired with “kan-” as the suffix and should not be paired with “-an” as the suffix. The experiments showed that the proposed stemmer accuracy was 95.5%, better than the earlier stemmer based on word morphology. The accuracy of earlier stemmer based on word morphology was 82.5%.
Co-Authors Bimo Sunarfri Hantono