-
Lowery, J.: Online bibliographic services from The British Library's National Bibliographic Service (1997)
0.25
0.24858898 = sum of:
0.24858898 = product of:
1.0357875 = sum of:
0.07793325 = weight(abstract_txt:covers in 3817) [ClassicSimilarity], result of:
0.07793325 = score(doc=3817,freq=1.0), product of:
0.12121154 = queryWeight, product of:
1.0528448 = boost
5.878422 = idf(docFreq=337, maxDocs=44421)
0.01958479 = queryNorm
0.6429524 = fieldWeight in 3817, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
5.878422 = idf(docFreq=337, maxDocs=44421)
0.109375 = fieldNorm(doc=3817)
0.10917517 = weight(abstract_txt:outline in 3817) [ClassicSimilarity], result of:
0.10917517 = score(doc=3817,freq=1.0), product of:
0.15175559 = queryWeight, product of:
1.1780525 = boost
6.5775037 = idf(docFreq=167, maxDocs=44421)
0.01958479 = queryNorm
0.7194145 = fieldWeight in 3817, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
6.5775037 = idf(docFreq=167, maxDocs=44421)
0.109375 = fieldNorm(doc=3817)
0.11130815 = weight(abstract_txt:plans in 3817) [ClassicSimilarity], result of:
0.11130815 = score(doc=3817,freq=1.0), product of:
0.1537258 = queryWeight, product of:
1.1856751 = boost
6.6200633 = idf(docFreq=160, maxDocs=44421)
0.01958479 = queryNorm
0.7240694 = fieldWeight in 3817, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
6.6200633 = idf(docFreq=160, maxDocs=44421)
0.109375 = fieldNorm(doc=3817)
0.05664104 = weight(abstract_txt:online in 3817) [ClassicSimilarity], result of:
0.05664104 = score(doc=3817,freq=1.0), product of:
0.14131556 = queryWeight, product of:
1.9690101 = boost
3.6645708 = idf(docFreq=3092, maxDocs=44421)
0.01958479 = queryNorm
0.40081245 = fieldWeight in 3817, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
3.6645708 = idf(docFreq=3092, maxDocs=44421)
0.109375 = fieldNorm(doc=3817)
0.2260069 = weight(abstract_txt:opac in 3817) [ClassicSimilarity], result of:
0.2260069 = score(doc=3817,freq=3.0), product of:
0.2153341 = queryWeight, product of:
1.9845577 = boost
5.5402603 = idf(docFreq=473, maxDocs=44421)
0.01958479 = queryNorm
1.0495639 = fieldWeight in 3817, product of:
1.7320508 = tf(freq=3.0), with freq of:
3.0 = termFreq=3.0
5.5402603 = idf(docFreq=473, maxDocs=44421)
0.109375 = fieldNorm(doc=3817)
0.45472294 = weight(abstract_txt:british in 3817) [ClassicSimilarity], result of:
0.45472294 = score(doc=3817,freq=2.0), product of:
0.49495995 = queryWeight, product of:
4.2550764 = boost
5.9394164 = idf(docFreq=317, maxDocs=44421)
0.01958479 = queryNorm
0.91870654 = fieldWeight in 3817, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
5.9394164 = idf(docFreq=317, maxDocs=44421)
0.109375 = fieldNorm(doc=3817)
0.24 = coord(6/25)
-
OPACs: an overview (1993)
0.21
0.21251519 = sum of:
0.21251519 = product of:
1.0625759 = sum of:
0.0976614 = weight(abstract_txt:searching in 6575) [ClassicSimilarity], result of:
0.0976614 = score(doc=6575,freq=2.0), product of:
0.12888908 = queryWeight, product of:
1.5353782 = boost
4.2862926 = idf(docFreq=1660, maxDocs=44421)
0.01958479 = queryNorm
0.7577166 = fieldWeight in 6575, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
4.2862926 = idf(docFreq=1660, maxDocs=44421)
0.125 = fieldNorm(doc=6575)
0.25829357 = weight(abstract_txt:opac in 6575) [ClassicSimilarity], result of:
0.25829357 = score(doc=6575,freq=3.0), product of:
0.2153341 = queryWeight, product of:
1.9845577 = boost
5.5402603 = idf(docFreq=473, maxDocs=44421)
0.01958479 = queryNorm
1.1995015 = fieldWeight in 6575, product of:
1.7320508 = tf(freq=3.0), with freq of:
3.0 = termFreq=3.0
5.5402603 = idf(docFreq=473, maxDocs=44421)
0.125 = fieldNorm(doc=6575)
0.25383922 = weight(abstract_txt:opacs in 6575) [ClassicSimilarity], result of:
0.25383922 = score(doc=6575,freq=2.0), product of:
0.24365386 = queryWeight, product of:
2.111028 = boost
5.8933253 = idf(docFreq=332, maxDocs=44421)
0.01958479 = queryNorm
1.0418025 = fieldWeight in 6575, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
5.8933253 = idf(docFreq=332, maxDocs=44421)
0.125 = fieldNorm(doc=6575)
0.08531008 = weight(abstract_txt:library in 6575) [ClassicSimilarity], result of:
0.08531008 = score(doc=6575,freq=1.0), product of:
0.21401858 = queryWeight, product of:
3.4268389 = boost
3.188885 = idf(docFreq=4976, maxDocs=44421)
0.01958479 = queryNorm
0.39861062 = fieldWeight in 6575, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
3.188885 = idf(docFreq=4976, maxDocs=44421)
0.125 = fieldNorm(doc=6575)
0.36747167 = weight(abstract_txt:british in 6575) [ClassicSimilarity], result of:
0.36747167 = score(doc=6575,freq=1.0), product of:
0.49495995 = queryWeight, product of:
4.2550764 = boost
5.9394164 = idf(docFreq=317, maxDocs=44421)
0.01958479 = queryNorm
0.74242705 = fieldWeight in 6575, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
5.9394164 = idf(docFreq=317, maxDocs=44421)
0.125 = fieldNorm(doc=6575)
0.2 = coord(5/25)
-
Brown, J.M.: ¬The multifile OPAC environment : a manageable approach to developing an instruction program (1993)
0.20
0.20258851 = sum of:
0.20258851 = product of:
0.7235304 = sum of:
0.09567662 = weight(abstract_txt:adapted in 7916) [ClassicSimilarity], result of:
0.09567662 = score(doc=7916,freq=1.0), product of:
0.1540153 = queryWeight, product of:
1.1867911 = boost
6.6262937 = idf(docFreq=159, maxDocs=44421)
0.01958479 = queryNorm
0.62121505 = fieldWeight in 7916, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
6.6262937 = idf(docFreq=159, maxDocs=44421)
0.09375 = fieldNorm(doc=7916)
0.055443365 = weight(abstract_txt:access in 7916) [ClassicSimilarity], result of:
0.055443365 = score(doc=7916,freq=3.0), product of:
0.09351816 = queryWeight, product of:
1.307842 = boost
3.6510832 = idf(docFreq=3134, maxDocs=44421)
0.01958479 = queryNorm
0.592862 = fieldWeight in 7916, product of:
1.7320508 = tf(freq=3.0), with freq of:
3.0 = termFreq=3.0
3.6510832 = idf(docFreq=3134, maxDocs=44421)
0.09375 = fieldNorm(doc=7916)
0.12829636 = weight(abstract_txt:devised in 7916) [ClassicSimilarity], result of:
0.12829636 = score(doc=7916,freq=1.0), product of:
0.18728495 = queryWeight, product of:
1.308711 = boost
7.3070183 = idf(docFreq=80, maxDocs=44421)
0.01958479 = queryNorm
0.68503296 = fieldWeight in 7916, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
7.3070183 = idf(docFreq=80, maxDocs=44421)
0.09375 = fieldNorm(doc=7916)
0.051792778 = weight(abstract_txt:searching in 7916) [ClassicSimilarity], result of:
0.051792778 = score(doc=7916,freq=1.0), product of:
0.12888908 = queryWeight, product of:
1.5353782 = boost
4.2862926 = idf(docFreq=1660, maxDocs=44421)
0.01958479 = queryNorm
0.4018399 = fieldWeight in 7916, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
4.2862926 = idf(docFreq=1660, maxDocs=44421)
0.09375 = fieldNorm(doc=7916)
0.19372019 = weight(abstract_txt:opac in 7916) [ClassicSimilarity], result of:
0.19372019 = score(doc=7916,freq=3.0), product of:
0.2153341 = queryWeight, product of:
1.9845577 = boost
5.5402603 = idf(docFreq=473, maxDocs=44421)
0.01958479 = queryNorm
0.89962614 = fieldWeight in 7916, product of:
1.7320508 = tf(freq=3.0), with freq of:
3.0 = termFreq=3.0
5.5402603 = idf(docFreq=473, maxDocs=44421)
0.09375 = fieldNorm(doc=7916)
0.13461858 = weight(abstract_txt:opacs in 7916) [ClassicSimilarity], result of:
0.13461858 = score(doc=7916,freq=1.0), product of:
0.24365386 = queryWeight, product of:
2.111028 = boost
5.8933253 = idf(docFreq=332, maxDocs=44421)
0.01958479 = queryNorm
0.55249923 = fieldWeight in 7916, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
5.8933253 = idf(docFreq=332, maxDocs=44421)
0.09375 = fieldNorm(doc=7916)
0.06398256 = weight(abstract_txt:library in 7916) [ClassicSimilarity], result of:
0.06398256 = score(doc=7916,freq=1.0), product of:
0.21401858 = queryWeight, product of:
3.4268389 = boost
3.188885 = idf(docFreq=4976, maxDocs=44421)
0.01958479 = queryNorm
0.29895797 = fieldWeight in 7916, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
3.188885 = idf(docFreq=4976, maxDocs=44421)
0.09375 = fieldNorm(doc=7916)
0.28 = coord(7/25)
-
Hancock-Beaulieu, M.: ¬A comparative transaction log analysis of browsing and search formulation in online catalogues (1993)
0.19
0.18791483 = sum of:
0.18791483 = product of:
0.6711244 = sum of:
0.05899749 = weight(abstract_txt:brief in 5257) [ClassicSimilarity], result of:
0.05899749 = score(doc=5257,freq=1.0), product of:
0.11157896 = queryWeight, product of:
1.0101445 = boost
5.640011 = idf(docFreq=428, maxDocs=44421)
0.01958479 = queryNorm
0.528751 = fieldWeight in 5257, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
5.640011 = idf(docFreq=428, maxDocs=44421)
0.09375 = fieldNorm(doc=5257)
0.20747395 = weight(abstract_txt:coordinate in 5257) [ClassicSimilarity], result of:
0.20747395 = score(doc=5257,freq=2.0), product of:
0.204798 = queryWeight, product of:
1.3685327 = boost
7.6410246 = idf(docFreq=57, maxDocs=44421)
0.01958479 = queryNorm
1.0130663 = fieldWeight in 5257, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
7.6410246 = idf(docFreq=57, maxDocs=44421)
0.09375 = fieldNorm(doc=5257)
0.07324605 = weight(abstract_txt:searching in 5257) [ClassicSimilarity], result of:
0.07324605 = score(doc=5257,freq=2.0), product of:
0.12888908 = queryWeight, product of:
1.5353782 = boost
4.2862926 = idf(docFreq=1660, maxDocs=44421)
0.01958479 = queryNorm
0.56828743 = fieldWeight in 5257, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
4.2862926 = idf(docFreq=1660, maxDocs=44421)
0.09375 = fieldNorm(doc=5257)
0.064146474 = weight(abstract_txt:public in 5257) [ClassicSimilarity], result of:
0.064146474 = score(doc=5257,freq=1.0), product of:
0.14864552 = queryWeight, product of:
1.648858 = boost
4.603092 = idf(docFreq=1209, maxDocs=44421)
0.01958479 = queryNorm
0.4315399 = fieldWeight in 5257, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
4.603092 = idf(docFreq=1209, maxDocs=44421)
0.09375 = fieldNorm(doc=5257)
0.0686593 = weight(abstract_txt:online in 5257) [ClassicSimilarity], result of:
0.0686593 = score(doc=5257,freq=2.0), product of:
0.14131556 = queryWeight, product of:
1.9690101 = boost
3.6645708 = idf(docFreq=3092, maxDocs=44421)
0.01958479 = queryNorm
0.48585802 = fieldWeight in 5257, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.6645708 = idf(docFreq=3092, maxDocs=44421)
0.09375 = fieldNorm(doc=5257)
0.13461858 = weight(abstract_txt:opacs in 5257) [ClassicSimilarity], result of:
0.13461858 = score(doc=5257,freq=1.0), product of:
0.24365386 = queryWeight, product of:
2.111028 = boost
5.8933253 = idf(docFreq=332, maxDocs=44421)
0.01958479 = queryNorm
0.55249923 = fieldWeight in 5257, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
5.8933253 = idf(docFreq=332, maxDocs=44421)
0.09375 = fieldNorm(doc=5257)
0.06398256 = weight(abstract_txt:library in 5257) [ClassicSimilarity], result of:
0.06398256 = score(doc=5257,freq=1.0), product of:
0.21401858 = queryWeight, product of:
3.4268389 = boost
3.188885 = idf(docFreq=4976, maxDocs=44421)
0.01958479 = queryNorm
0.29895797 = fieldWeight in 5257, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
3.188885 = idf(docFreq=4976, maxDocs=44421)
0.09375 = fieldNorm(doc=5257)
0.28 = coord(7/25)
-
Ashton, J.: ONE: the final OPAC frontier (1998)
0.18
0.17760618 = sum of:
0.17760618 = product of:
0.8880309 = sum of:
0.12720932 = weight(abstract_txt:plans in 3588) [ClassicSimilarity], result of:
0.12720932 = score(doc=3588,freq=1.0), product of:
0.1537258 = queryWeight, product of:
1.1856751 = boost
6.6200633 = idf(docFreq=160, maxDocs=44421)
0.01958479 = queryNorm
0.8275079 = fieldWeight in 3588, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
6.6200633 = idf(docFreq=160, maxDocs=44421)
0.125 = fieldNorm(doc=3588)
0.06473261 = weight(abstract_txt:online in 3588) [ClassicSimilarity], result of:
0.06473261 = score(doc=3588,freq=1.0), product of:
0.14131556 = queryWeight, product of:
1.9690101 = boost
3.6645708 = idf(docFreq=3092, maxDocs=44421)
0.01958479 = queryNorm
0.45807135 = fieldWeight in 3588, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
3.6645708 = idf(docFreq=3092, maxDocs=44421)
0.125 = fieldNorm(doc=3588)
0.14912587 = weight(abstract_txt:opac in 3588) [ClassicSimilarity], result of:
0.14912587 = score(doc=3588,freq=1.0), product of:
0.2153341 = queryWeight, product of:
1.9845577 = boost
5.5402603 = idf(docFreq=473, maxDocs=44421)
0.01958479 = queryNorm
0.69253254 = fieldWeight in 3588, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
5.5402603 = idf(docFreq=473, maxDocs=44421)
0.125 = fieldNorm(doc=3588)
0.17949143 = weight(abstract_txt:opacs in 3588) [ClassicSimilarity], result of:
0.17949143 = score(doc=3588,freq=1.0), product of:
0.24365386 = queryWeight, product of:
2.111028 = boost
5.8933253 = idf(docFreq=332, maxDocs=44421)
0.01958479 = queryNorm
0.73666567 = fieldWeight in 3588, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
5.8933253 = idf(docFreq=332, maxDocs=44421)
0.125 = fieldNorm(doc=3588)
0.36747167 = weight(abstract_txt:british in 3588) [ClassicSimilarity], result of:
0.36747167 = score(doc=3588,freq=1.0), product of:
0.49495995 = queryWeight, product of:
4.2550764 = boost
5.9394164 = idf(docFreq=317, maxDocs=44421)
0.01958479 = queryNorm
0.74242705 = fieldWeight in 3588, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
5.9394164 = idf(docFreq=317, maxDocs=44421)
0.125 = fieldNorm(doc=3588)
0.2 = coord(5/25)