<mets:mets OBJID="eprint_31862" LABEL="Eprints Item" xsi:schemaLocation="http://www.loc.gov/METS/ http://www.loc.gov/standards/mets/mets.xsd http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-3.xsd" xmlns:mets="http://www.loc.gov/METS/" xmlns:mods="http://www.loc.gov/mods/v3" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"><mets:metsHdr CREATEDATE="2026-07-05T22:22:47Z"><mets:agent ROLE="CUSTODIAN" TYPE="ORGANIZATION"><mets:name>EPrints Universitas Amikom Yogyakarta</mets:name></mets:agent></mets:metsHdr><mets:dmdSec ID="DMD_eprint_31862_mods"><mets:mdWrap MDTYPE="MODS"><mets:xmlData><mods:titleInfo><mods:title>MODEL KLASIFIKASI URL PHISHING MENGGUNAKAN&#13;
DECISION TREE DENGAN ADAPTIVE &#13;
DAN GRADIENT BOOSTING</mods:title></mods:titleInfo><mods:name type="personal"><mods:namePart type="given">Krisna Yogi</mods:namePart><mods:namePart type="family">Saputra</mods:namePart><mods:role><mods:roleTerm type="text">author</mods:roleTerm></mods:role></mods:name><mods:abstract>Seiring dengan meningkatnya penggunaan internet, ancaman serangan siber&#13;
berupa URL phishing semakin berkembang dan berpotensi mencuri informasi&#13;
sensitif pengguna. Untuk mengatasi permasalahan tersebut, pendekatan machine&#13;
learning dapat digunakan untuk mengklasifikasikan URL ke dalam kategori&#13;
phishing dan legitimate. Penelitian ini bertujuan untuk meningkatkan performa&#13;
algoritma Decision Tree melalui penerapan metode ensemble learning berbasis&#13;
boosting, yaitu Adaptive Boosting dan Gradient Boosting.&#13;
Dataset yang digunakan terdiri dari dua kelas yaitu phishing dan legitimate&#13;
yang telah melalui tahap preprocessing dan transformasi ke dalam fitur numerik&#13;
agar dapat diproses oleh model klasifikasi. Tahapan penelitian meliputi pembagian&#13;
data menjadi training, validasi, dan testing, proses pelatihan model, penyesuaian&#13;
parameter seperti learning rate, serta evaluasi menggunakan metrik akurasi, presisi,&#13;
recall, dan F1-score.&#13;
Hasil penelitian menunjukkan bahwa model Decision Tree tanpa boosting&#13;
memperoleh akurasi sebesar 0,94 dengan nilai presisi, recall, dan F1-score sebesar&#13;
0,94. Setelah diterapkan Adaptive Boosting, akurasi meningkat menjadi 0,97&#13;
dengan peningkatan yang konsisten pada seluruh metrik evaluasi. Model Gradient&#13;
Boosting juga menghasilkan akurasi sebesar 0,97 dengan performa evaluasi yang&#13;
seimbang. Hasil ini menunjukkan bahwa metode boosting efektif dalam&#13;
meningkatkan akurasi dan kemampuan generalisasi Decision Tree dalam&#13;
mendeteksi URL phishing.</mods:abstract><mods:classification authority="lcc">000 Ilmu komputer, informasi dan pekerjaan umum</mods:classification><mods:originInfo><mods:dateIssued encoding="iso8061">2026-02-25</mods:dateIssued></mods:originInfo><mods:originInfo><mods:publisher>Universitas AMIKOM Yogyakarta;Fakultas Ilmu Komputer</mods:publisher></mods:originInfo><mods:genre>Thesis</mods:genre></mets:xmlData></mets:mdWrap></mets:dmdSec><mets:amdSec ID="TMD_eprint_31862"><mets:rightsMD ID="rights_eprint_31862_mods"><mets:mdWrap MDTYPE="MODS"><mets:xmlData><mods:useAndReproduction>
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