Minimnya pengetahuan kesehatan gigi dan mulut serta terbatasnya jumlah dokter gigi menyebabkan rendahnya kesadaran masyarakat terhadap kesehatan gigi dan mulut. Kondisi inilah yang membuat sebahagian masyarakat mengesampingkan upaya mencegah serta mengobati penyakit gigi dan mulut. Oleh sebab itu penelitian ini telah membuat sistem pakar untuk diagnosa awal penyakit gigi dan mulut, sehingga dapat membantu masyarakat untuk mengetahui tentang penyakit gigi dan mulut yang sedang dideritanya serta dapat mengatasi permasalahan kelangkaan pakar gigi dan mulut. Basis pengetahuan sistem pakar ini dibuat berbentuk aturan if-then. Metode inferensi yang digunakan adalah forward chaining. Sistem pakar penyakit gigi dan mulut ini dibuat berbasis Android agar bisa digunakan kapan saja dan dimana saja oleh masyarakat. Berdasarkan hasil akuisi pengetahuan pakar didapat 13 aturan, 13 penyakit dan 44 gejala. Hasil uji blackbox menunjukkan fitur-fitur aplikasi yang dibuat berjalan dengan tingkat keberasilan 100%. Hasil unit test menunjukkan bahwa aplikasi telah berhasil melakukan inferensi dengan benar. Hasil user acceptance test menunjukan tingkat penerimaan pengguna adalah sangat baik, yaitu 93.03%. Berdasarkan hasil uji-uji tersebut dapat disimpulkan bahwa aplikasi sistem pakar yang telah dibuat dapat direkomendasikan untuk digunakan oleh masyarakat sebagai alat bantu untuk diagnosa awal penyakit gigi dan mulut.
This study proposed the method to improve the result of Learning Vector Quantization (LVQ) by optimizing the weight vectors using a genetic algorithm (GA) to detect the diabetics. Initial value of individuals for GA is taken from weight vectors which come from the last m iterations of LVQ training result. The result of experiment showed that there is a significant increase in sensitivity level, however there is a significant decrease in specificity level. 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mso-style-priority:99; mso-style-parent:""; mso-padding-alt:0cm 5.4pt 0cm 5.4pt; mso-para-margin:0cm; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.0pt; font-family:"Times New Roman","serif"; mso-ansi-language:MS; mso-fareast-language:MS;} </style> <![endif]--><em><span style="font-size: 10.0pt; font-family: 'Arial','sans-serif'; mso-fareast-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: AR-SA;" lang="EN-US">This study proposed the method to improve the result of Learning Vector Quantization (LVQ) by optimizing the weight vectors using a genetic algorithm (GA) to detect the diabetics. Initial value of individuals for GA is taken from weight vectors which come from the last m iterations of LVQ training result. The result of experiment showed that there is a significant increase in sensitivity level, however there is a significant decrease in specificity level. It means the proposed method success in improving the LVQ ability to recognized the diabetics, but it lowers the ability of LVQ to recognize the people unaffected by diabetes.</span></em>
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