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All Journal International Journal of Artificial Intelligence Research Bulletin of Social Informatics Theory and Application
Nurfadila, Piska Dwi
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Computer Science & IT Electrical & Electronics Engineering Social Sciences

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Blocking pornography sites on the internet private and university access ; Irawan, Ninon Oktaviani; Nurfadila, Piska Dwi; Ristanti, Putri Yuni; Hammad, Jehad A.H
Bulletin of Social Informatics Theory and Application Vol. 3 No. 1 (2019)
Publisher : Association for Scientific Computing Electrical and Engineering

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31763/businta.v3i1.161

Abstract

Journal Classification Using Cosine Similarity Method on Title and Abstract with Frequency-Based Stopword Removal  Nurfadila, Piska Dwi; Wibawa, Aji Prasetya; Zaeni, Ilham Ari Elbaith; Nafalski, Andrew
International Journal of Artificial Intelligence Research Vol 3, No 2 (2019): December 2019
Publisher : Universitas Dharma Wacana

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (231.173 KB) | DOI: 10.29099/ijair.v3i2.99

Abstract

Classification of economic journal articles has been done using the VSM (Vector Space Model) approach and the Cosine Similarity method. The results of previous studies are considered to be less optimal because Stopword Removal was carried out by using a dictionary of basic words (tuning). Therefore, the omitted words limited to only basic words. This study shows the improved performance accuracy of the Cosine Similarity method using frequency-based Stopword Removal. The reason is because the term with a certain frequency is assumed to be an insignificant word and will give less relevant results. Performance testing of the Cosine Similarity method that had been added to frequency-based Stopword Removal was done by using K-fold Cross Validation. The method performance produced accuracy value for 64.28%, precision for 64.76 %, and recall for 65.26%. The execution time after pre-processing was 0, 05033 second.
Co-Authors Aji Prasetya Wibawa Hammad, Jehad A.H Irawan, Ninon Oktaviani Nafalski, Andrew Ristanti, Putri yuni Zaeni, Ilham Ari Elbaith