3.4.2. Diagram Dekomposisi
3.4.3. Diagram Arus Data DAD
3.4.3.1. Diagram Konteks
Gambar 3.3 Diagram Dekomposisi.
Gambar 3.4 Diagram Konteks.
hasil pencarian, info hasil klasifikasi
kata kunci pencarian, file surat
User Sistem Klasifikasi Surat
Masuk Fakultas Sains dan Teknologi
Sistem Klasifikasi Surat Masuk Fakultas Sains dan
Teknologi
2
Cari Surat
1
Simpan Surat 1.1
Ambil Surat 1.2
Simpan 1.3
Reset 2.1
Cari 2.2
Reset
3.4.3.2. Level 1
hasil indexing index
file surat file surat
hasil pencarian
1 Mengklasifikasi
kan surat
2 Mencari surat
menggunakan Apache
Lucene User
file surat
Koleksi Surat
stoplist
model file surat
Model Stopword
Data Training
Lucene_index
Keywords, file surat
Gambar 3.5 Diagram Arus Data Level 1.
3.4.3.3. Level 2 Proses 1
3.4.3.4. Level 2 Proses 2
file surat model
stopwords file surat
file surat
User 1.1
Training
1.2 Testing
Model Data training
Stopwords
Koleksi Surat
file surat Hasil pencarian,
file surat index
hasil indexing file surat
Keywords
User 2.1
Indexing
2.2 Searching
Lucene_index
Koleksi Surat
Gambar 3.6 Diagram Arus Data Level 2 Proses 1.
Gambar 3.7 Diagram Arus Data Level 2 Proses 2.
3.4.3.5. Level 3 Proses 1.1
Conditional probabilities file surat
Prior probabilities
kumpulan token yang terurut
dikelompokan
kumpulan token dalam bentuk kata
dasar kumpulan
token ternormalisasi
kumpulan token
tanpa stopword
kumpulan token
stoplist file surat
1.1.1 Tokenizing
1.1.2 Normalization
1.1.3 Stopwords
removal
1.1.4 Stemming
1.1.5 Sorting
Grouping 1.1.7
Laplace smoothing
Model
Stopword Data training
1.1.6 Hitung nilai
conditional probabillities
1.1.8 Hitung prior
probabilities
Gambar 3.8 Diagram Arus Data Level 3 Proses 1.1.
3.4.3.6. Level 3 Proses 1.2
file surat
Conditional probabilities Prior probabilities
kumpulan token yang terurut
dikelompokan
kumpulan token dalam bentuk kata
dasar kumpulan
token ternormalisasi
kumpulan token
tanpa stopword
kumpulan token
stoplist file surat
1.1.1 Tokenizing
1.1.2 Normalization
1.1.3 Stopwords
removal
1.1.4 Stemming
1.1.5 Sorting
Grouping Model
Stopword 1.1.6
Hitung probabilitas file
surat User
Koleksi Surat
Gambar 3.9 Diagram Arus Data Level 3 Proses 1.2.
3.4.3.7. Level 3 Proses 2.1