TUGAS STBI-1

1.2

Bandingkan Dokumen di bawah ini

1. Doc 1 : breathrough drug for schizophrenia
2. Doc 2 : new schizophrenia drug
3. Doc 3 : new approach for treatment of schizophrenia
4. Doc 4 : new hopes for schizophrenia patients

a. Gambar matriks kata-kata yang berhubungan dengan dokumen di atas

	Doc 1	Doc 2	Doc 3	Doc 4
Breakthrougt	1	0	0	0
Drug	1	1	0	0
For	1	0	1	1
Schizophenia	1	1	1	1
New	0	1	1	1
Approach	0	0	1	0
Treatment	0	0	1	0
Of	0	0	1	0
Hopes	0	0	0	1
Patients	0	0	0	1

b. Gambar reperesentasi index sesuai dengan dokumen di atas

1.7 (tangerine OR trees) AND (Marmalade OR Skies) AND (Kaleidoscope OR Eyes)

Term
Eyes	213312
Kaleidoscope	87009
Marmalade	107913
Skies	271658
Tangerine	46653
Trees	316812

1.10 Intersect (< t1,...,tn>)    1. terms « Sort By Increasing Frequency    2. result « Postings (first(terms))    3. terms « Rest (terms)    4. while terms ≠ Nil OR result ≠ Nil

    5.  do result « INTERSECT (result, postings (first(terms))

    6. terms « Rest (terms)

    7. returns result 

Perbandingan Query boolean antara google dan yahoo.