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primary topic: PENGARUH PENERAPAN KOMBINASI METODE PREPROCESSING, VECTORIZER, DAN ALGORITMA TERHADAP KINERJA KLASIFIKASI TEKS PERUNDUNGAN SIBER

PENGARUH PENERAPAN KOMBINASI METODE PREPROCESSING, VECTORIZER, DAN ALGORITMA TERHADAP KINERJA KLASIFIKASI TEKS PERUNDUNGAN SIBER
type: Thesis
type: Article
abstract: Cyberbullying is a serious digital threat that requires automated detection. Machine Learning (ML) and Natural Language Processing (NLP) offer solutions, but their performance is significantly affected by the combination of preprocessing methods, vectorization, and classification algorithms. This study systematically compares these combinations to identify the optimal configuration due to the lack of a holistic approach. The preprocessing methods used include stopword removal, stemming, lemmatization with a one-hot vectorizer, BoW, TFIDF, and Logistic Regression, SVM, KNN, Decision Tree, and Naive Bayes algorithms for cyberbullying text classification. The goal is to find the most effective combination of methods based on standard performance metrics. The approach used is a comparative, quantitative, experimental approach, using a labeled English-language cyberbullying dataset. Data preprocessing was performed before vectorization and then trained using a classification algorithm. Performance was rigorously evaluated using accuracy, precision, recall, and F1-score. Therefore, this holistic approach yielded the highest results among the various combinations. The results show that preprocessing significantly improves performance, with lemmatization generally outperforming. One-Hot Encoding yielded the lowest results, while TF-IDF was the most effective vectorizer. Among the algorithms, SVM and Logistic Regression performed best, with SVM demonstrating excellent performance, especially with TF-IDF. The optimal combination was obtained when using stopword removal, TF-IDF, and SVM, achieving an F1-score of 0.863. The lowest combination result, 0.155, was obtained when using no preprocessing, one-hot encoding vectorization, and the KNN algorithm. This emphasizes the importance of precise preprocessing, an informative vectorizer, and a robust algorithm for effective cyberbullying detection.
date: 2025-08-16
status: published
author list: authors
type: EPrint
type: ThesisEPrint
is part of: repository
has document: PENGARUH PENERAPAN KOMBINASI METODE PREPROCESSING, VECTORIZER, DAN ALGORITMA TERHADAP KINERJA KLASIFIKASI TEKS PERUNDUNGAN SIBER (Text)
has version: PENGARUH PENERAPAN KOMBINASI METODE PREPROCESSING, VECTORIZER, DAN ALGORITMA TERHADAP KINERJA KLASIFIKASI TEKS PERUNDUNGAN SIBER (Text)
has published: PENGARUH PENERAPAN KOMBINASI METODE PREPROCESSING, VECTORIZER, DAN ALGORITMA TERHADAP KINERJA KLASIFIKASI TEKS PERUNDUNGAN SIBER (Text)
has document: PENGARUH PENERAPAN KOMBINASI METODE PREPROCESSING, VECTORIZER, DAN ALGORITMA TERHADAP KINERJA KLASIFIKASI TEKS PERUNDUNGAN SIBER (Other)
subject: 004 Pemrosesan Data, Ilmu Komputer, Teknik Informatika

PENGARUH PENERAPAN KOMBINASI METODE PREPROCESSING, VECTORIZER, DAN ALGORITMA TERHADAP KINERJA KLASIFIKASI TEKS PERUNDUNGAN SIBER (Text)
type: Document
has file: 22206051023_BAB-I_IV-atau-V_DAFTAR-PUSTAKA.pdf
has part: 22206051023_BAB-I_IV-atau-V_DAFTAR-PUSTAKA.pdf

PENGARUH PENERAPAN KOMBINASI METODE PREPROCESSING, VECTORIZER, DAN ALGORITMA TERHADAP KINERJA KLASIFIKASI TEKS PERUNDUNGAN SIBER (Text)
type: Document

UIN SUNAN KALIJAGA YOGYAKARTA
type: Organization

FAKULTAS SAINS DAN TEKNOLOGI, UIN SUNAN KALIJAGA YOGYAKARTA
type: Organization

NIM.: 22206051023 Salim Athari
type: Person
given name: NIM.: 22206051023
family name: Salim Athari

PENGARUH PENERAPAN KOMBINASI METODE PREPROCESSING, VECTORIZER, DAN ALGORITMA TERHADAP KINERJA KLASIFIKASI TEKS PERUNDUNGAN SIBER (Other)
type: Document
is version of: PENGARUH PENERAPAN KOMBINASI METODE PREPROCESSING, VECTORIZER, DAN ALGORITMA TERHADAP KINERJA KLASIFIKASI TEKS PERUNDUNGAN SIBER (Text)
is volatile version of: PENGARUH PENERAPAN KOMBINASI METODE PREPROCESSING, VECTORIZER, DAN ALGORITMA TERHADAP KINERJA KLASIFIKASI TEKS PERUNDUNGAN SIBER (Text)
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PENGARUH PENERAPAN KOMBINASI METODE PREPROCESSING, VECTORIZER, DAN ALGORITMA TERHADAP KINERJA KLASIFIKASI TEKS PERUNDUNGAN SIBER (Other)
type: Document
is version of: PENGARUH PENERAPAN KOMBINASI METODE PREPROCESSING, VECTORIZER, DAN ALGORITMA TERHADAP KINERJA KLASIFIKASI TEKS PERUNDUNGAN SIBER (Text)
is volatile version of: PENGARUH PENERAPAN KOMBINASI METODE PREPROCESSING, VECTORIZER, DAN ALGORITMA TERHADAP KINERJA KLASIFIKASI TEKS PERUNDUNGAN SIBER (Text)
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PENGARUH PENERAPAN KOMBINASI METODE PREPROCESSING, VECTORIZER, DAN ALGORITMA TERHADAP KINERJA KLASIFIKASI TEKS PERUNDUNGAN SIBER (Other)
type: Document
is version of: PENGARUH PENERAPAN KOMBINASI METODE PREPROCESSING, VECTORIZER, DAN ALGORITMA TERHADAP KINERJA KLASIFIKASI TEKS PERUNDUNGAN SIBER (Text)
is volatile version of: PENGARUH PENERAPAN KOMBINASI METODE PREPROCESSING, VECTORIZER, DAN ALGORITMA TERHADAP KINERJA KLASIFIKASI TEKS PERUNDUNGAN SIBER (Text)
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PENGARUH PENERAPAN KOMBINASI METODE PREPROCESSING, VECTORIZER, DAN ALGORITMA TERHADAP KINERJA KLASIFIKASI TEKS PERUNDUNGAN SIBER (Other)
type: Document
is version of: PENGARUH PENERAPAN KOMBINASI METODE PREPROCESSING, VECTORIZER, DAN ALGORITMA TERHADAP KINERJA KLASIFIKASI TEKS PERUNDUNGAN SIBER (Text)
is volatile version of: PENGARUH PENERAPAN KOMBINASI METODE PREPROCESSING, VECTORIZER, DAN ALGORITMA TERHADAP KINERJA KLASIFIKASI TEKS PERUNDUNGAN SIBER (Text)
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PENGARUH PENERAPAN KOMBINASI METODE PREPROCESSING, VECTORIZER, DAN ALGORITMA TERHADAP KINERJA KLASIFIKASI TEKS PERUNDUNGAN SIBER (Other)
type: Document
is version of: PENGARUH PENERAPAN KOMBINASI METODE PREPROCESSING, VECTORIZER, DAN ALGORITMA TERHADAP KINERJA KLASIFIKASI TEKS PERUNDUNGAN SIBER (Text)
is volatile version of: PENGARUH PENERAPAN KOMBINASI METODE PREPROCESSING, VECTORIZER, DAN ALGORITMA TERHADAP KINERJA KLASIFIKASI TEKS PERUNDUNGAN SIBER (Text)
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PENGARUH PENERAPAN KOMBINASI METODE PREPROCESSING, VECTORIZER, DAN ALGORITMA TERHADAP KINERJA KLASIFIKASI TEKS PERUNDUNGAN SIBER (Other)
type: Document
is version of: PENGARUH PENERAPAN KOMBINASI METODE PREPROCESSING, VECTORIZER, DAN ALGORITMA TERHADAP KINERJA KLASIFIKASI TEKS PERUNDUNGAN SIBER (Text)
is volatile version of: PENGARUH PENERAPAN KOMBINASI METODE PREPROCESSING, VECTORIZER, DAN ALGORITMA TERHADAP KINERJA KLASIFIKASI TEKS PERUNDUNGAN SIBER (Text)
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PENGARUH PENERAPAN KOMBINASI METODE PREPROCESSING, VECTORIZER, DAN ALGORITMA TERHADAP KINERJA KLASIFIKASI TEKS PERUNDUNGAN SIBER (Other)
type: Document
is version of: PENGARUH PENERAPAN KOMBINASI METODE PREPROCESSING, VECTORIZER, DAN ALGORITMA TERHADAP KINERJA KLASIFIKASI TEKS PERUNDUNGAN SIBER (Text)
is volatile version of: PENGARUH PENERAPAN KOMBINASI METODE PREPROCESSING, VECTORIZER, DAN ALGORITMA TERHADAP KINERJA KLASIFIKASI TEKS PERUNDUNGAN SIBER (Text)
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PENGARUH PENERAPAN KOMBINASI METODE PREPROCESSING, VECTORIZER, DAN ALGORITMA TERHADAP KINERJA KLASIFIKASI TEKS PERUNDUNGAN SIBER (Other)
type: Document
is version of: PENGARUH PENERAPAN KOMBINASI METODE PREPROCESSING, VECTORIZER, DAN ALGORITMA TERHADAP KINERJA KLASIFIKASI TEKS PERUNDUNGAN SIBER (Text)
is volatile version of: PENGARUH PENERAPAN KOMBINASI METODE PREPROCESSING, VECTORIZER, DAN ALGORITMA TERHADAP KINERJA KLASIFIKASI TEKS PERUNDUNGAN SIBER (Text)
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primary topic: PENGARUH PENERAPAN KOMBINASI METODE PREPROCESSING, VECTORIZER, DAN ALGORITMA TERHADAP KINERJA KLASIFIKASI TEKS PERUNDUNGAN SIBER

004 Pemrosesan Data, Ilmu Komputer, Teknik Informatika
type: Concept