Harry Soekotjo Dachlan
Jurusan Teknik Elektro Fakultas Teknik Universitas Brawijaya

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Journal : MATICS : Jurnal Ilmu Komputer dan Teknologi Informasi (Journal of Computer Science and Information Technology)

Identifikasi Kemiripan Teks Menggunakan Class Indexing Based dan Cosine Similarity Untuk Klasifikasi Dokumen Pengaduan Iriananda, Syahroni Wahyu; Muslim, Muhammad Aziz; Dachlan, Harry Soekotjo
MATICS Vol 10, No 2 (2018): MATICS
Publisher : Department of Informatics Engineering

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (240.811 KB) | DOI: 10.18860/mat.v10i2.5327


Report handling on "LAPOR!" systemdepends on the system administrator who manually reads every incoming report [3]. Read manually can lead to errorsin handling complaints [4] if the data flow is very large and grows rapidly it can take at least three days and sensitive to inconsistencies [3]. In this study, the authors propose a model that can measure and identify the similarity of document reports computerized that can identify the similarity between the Query (Incoming) with Document (Archive). In this study, the authors employed term weighting scheme Class-Based Indexing, and Cosine Similarity to analyze document similarities. CoSimTFIDF, CoSimTFICF and CoSimTFIDFICF values are defined as feature sets for the text classification process using the KNearestNeighbor (K-NN) method. The optimum resultevaluation with preprocessing employ Stemming and the bestresult of all features is 75% training data ratio and 25% testdata on the CoSimTFIDF feature that is 84%. Value k = 5has a high accuracy of 84.12%