-
Efthimiadis, E.N.; Mitev, N.N.: ¬A classified bibliography on online public access catalogues (1987)
0.00
5.2621565E-4 = product of:
0.0078932345 = sum of:
0.0078932345 = product of:
0.015786469 = sum of:
0.015786469 = weight(_text_:information in 508) [ClassicSimilarity], result of:
0.015786469 = score(doc=508,freq=2.0), product of:
0.050870337 = queryWeight, product of:
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.028978055 = queryNorm
0.3103276 = fieldWeight in 508, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.125 = fieldNorm(doc=508)
0.5 = coord(1/2)
0.06666667 = coord(1/15)
- Imprint
- London : City University / Dept. of Information Science
-
Efthimiadis, E.N.; Neilson, C.: ¬A classified bibliography on online public access catalogues (1989)
0.00
3.2888478E-4 = product of:
0.0049332716 = sum of:
0.0049332716 = product of:
0.009866543 = sum of:
0.009866543 = weight(_text_:information in 509) [ClassicSimilarity], result of:
0.009866543 = score(doc=509,freq=2.0), product of:
0.050870337 = queryWeight, product of:
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.028978055 = queryNorm
0.19395474 = fieldWeight in 509, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.078125 = fieldNorm(doc=509)
0.5 = coord(1/2)
0.06666667 = coord(1/15)
- Series
- British Library information guide; 10
-
Efthimiadis, E.N.: Query expansion (1996)
0.00
2.6310782E-4 = product of:
0.0039466172 = sum of:
0.0039466172 = product of:
0.0078932345 = sum of:
0.0078932345 = weight(_text_:information in 4847) [ClassicSimilarity], result of:
0.0078932345 = score(doc=4847,freq=2.0), product of:
0.050870337 = queryWeight, product of:
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.028978055 = queryNorm
0.1551638 = fieldWeight in 4847, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.0625 = fieldNorm(doc=4847)
0.5 = coord(1/2)
0.06666667 = coord(1/15)
- Source
- Annual review of information science and technology. 31(1996), S.121-187