-
DeHart, F.E.; Glazier, J.: Computer searching on PRECIS : an exploration of measuring comparative retrieval effectiveness (1984)
0.60
0.60375214 = sum of:
0.60375214 = product of:
1.5093803 = sum of:
0.058948196 = weight(abstract_txt:retrieval in 827) [ClassicSimilarity], result of:
0.058948196 = score(doc=827,freq=3.0), product of:
0.10442306 = queryWeight, product of:
1.090193 = boost
3.4765 = idf(docFreq=3732, maxDocs=44421)
0.02755185 = queryNorm
0.5645132 = fieldWeight in 827, product of:
1.7320508 = tf(freq=3.0), with freq of:
3.0 = termFreq=3.0
3.4765 = idf(docFreq=3732, maxDocs=44421)
0.09375 = fieldNorm(doc=827)
0.08386016 = weight(abstract_txt:subject in 827) [ClassicSimilarity], result of:
0.08386016 = score(doc=827,freq=3.0), product of:
0.13208489 = queryWeight, product of:
1.2261165 = boost
3.9099448 = idf(docFreq=2419, maxDocs=44421)
0.02755185 = queryNorm
0.6348959 = fieldWeight in 827, product of:
1.7320508 = tf(freq=3.0), with freq of:
3.0 = termFreq=3.0
3.9099448 = idf(docFreq=2419, maxDocs=44421)
0.09375 = fieldNorm(doc=827)
0.11291048 = weight(abstract_txt:computer in 827) [ClassicSimilarity], result of:
0.11291048 = score(doc=827,freq=3.0), product of:
0.16105427 = queryWeight, product of:
1.3539147 = boost
4.317478 = idf(docFreq=1609, maxDocs=44421)
0.02755185 = queryNorm
0.701071 = fieldWeight in 827, product of:
1.7320508 = tf(freq=3.0), with freq of:
3.0 = termFreq=3.0
4.317478 = idf(docFreq=1609, maxDocs=44421)
0.09375 = fieldNorm(doc=827)
0.18568438 = weight(abstract_txt:effectiveness in 827) [ClassicSimilarity], result of:
0.18568438 = score(doc=827,freq=3.0), product of:
0.224388 = queryWeight, product of:
1.5981039 = boost
5.0961695 = idf(docFreq=738, maxDocs=44421)
0.02755185 = queryNorm
0.82751477 = fieldWeight in 827, product of:
1.7320508 = tf(freq=3.0), with freq of:
3.0 = termFreq=3.0
5.0961695 = idf(docFreq=738, maxDocs=44421)
0.09375 = fieldNorm(doc=827)
0.21215294 = weight(abstract_txt:comparative in 827) [ClassicSimilarity], result of:
0.21215294 = score(doc=827,freq=1.0), product of:
0.35368976 = queryWeight, product of:
2.006395 = boost
6.398163 = idf(docFreq=200, maxDocs=44421)
0.02755185 = queryNorm
0.59982777 = fieldWeight in 827, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
6.398163 = idf(docFreq=200, maxDocs=44421)
0.09375 = fieldNorm(doc=827)
0.8558242 = weight(title_txt:precis in 827) [ClassicSimilarity], result of:
0.8558242 = score(doc=827,freq=1.0), product of:
0.466087 = queryWeight, product of:
2.3032374 = boost
7.344759 = idf(docFreq=77, maxDocs=44421)
0.02755185 = queryNorm
1.8361897 = fieldWeight in 827, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
7.344759 = idf(docFreq=77, maxDocs=44421)
0.25 = fieldNorm(doc=827)
0.4 = coord(6/15)
-
Mahapatra, M.; Biswas, S.C.: Efficiency of PRECIS role operators (1984)
0.50
0.49727285 = sum of:
0.49727285 = product of:
1.864773 = sum of:
0.040347237 = weight(abstract_txt:subject in 1781) [ClassicSimilarity], result of:
0.040347237 = score(doc=1781,freq=1.0), product of:
0.13208489 = queryWeight, product of:
1.2261165 = boost
3.9099448 = idf(docFreq=2419, maxDocs=44421)
0.02755185 = queryNorm
0.30546445 = fieldWeight in 1781, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
3.9099448 = idf(docFreq=2419, maxDocs=44421)
0.078125 = fieldNorm(doc=1781)
0.060677674 = weight(abstract_txt:evaluation in 1781) [ClassicSimilarity], result of:
0.060677674 = score(doc=1781,freq=1.0), product of:
0.17337903 = queryWeight, product of:
1.4047643 = boost
4.479632 = idf(docFreq=1368, maxDocs=44421)
0.02755185 = queryNorm
0.34997123 = fieldWeight in 1781, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
4.479632 = idf(docFreq=1368, maxDocs=44421)
0.078125 = fieldNorm(doc=1781)
0.26605585 = weight(abstract_txt:strings in 1781) [ClassicSimilarity], result of:
0.26605585 = score(doc=1781,freq=1.0), product of:
0.4644716 = queryWeight, product of:
2.2992425 = boost
7.33202 = idf(docFreq=78, maxDocs=44421)
0.02755185 = queryNorm
0.57281405 = fieldWeight in 1781, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
7.33202 = idf(docFreq=78, maxDocs=44421)
0.078125 = fieldNorm(doc=1781)
1.4976923 = weight(title_txt:precis in 1781) [ClassicSimilarity], result of:
1.4976923 = score(doc=1781,freq=1.0), product of:
0.466087 = queryWeight, product of:
2.3032374 = boost
7.344759 = idf(docFreq=77, maxDocs=44421)
0.02755185 = queryNorm
3.2133322 = fieldWeight in 1781, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
7.344759 = idf(docFreq=77, maxDocs=44421)
0.4375 = fieldNorm(doc=1781)
0.26666668 = coord(4/15)
-
Weintraub, D.K.: ¬An extended review of PRECIS (1979)
0.49
0.48513937 = sum of:
0.48513937 = product of:
1.8192725 = sum of:
0.11411922 = weight(abstract_txt:subject in 1196) [ClassicSimilarity], result of:
0.11411922 = score(doc=1196,freq=8.0), product of:
0.13208489 = queryWeight, product of:
1.2261165 = boost
3.9099448 = idf(docFreq=2419, maxDocs=44421)
0.02755185 = queryNorm
0.86398387 = fieldWeight in 1196, product of:
2.828427 = tf(freq=8.0), with freq of:
8.0 = termFreq=8.0
3.9099448 = idf(docFreq=2419, maxDocs=44421)
0.078125 = fieldNorm(doc=1196)
0.07682585 = weight(abstract_txt:computer in 1196) [ClassicSimilarity], result of:
0.07682585 = score(doc=1196,freq=2.0), product of:
0.16105427 = queryWeight, product of:
1.3539147 = boost
4.317478 = idf(docFreq=1609, maxDocs=44421)
0.02755185 = queryNorm
0.47701842 = fieldWeight in 1196, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
4.317478 = idf(docFreq=1609, maxDocs=44421)
0.078125 = fieldNorm(doc=1196)
0.13063517 = weight(abstract_txt:headings in 1196) [ClassicSimilarity], result of:
0.13063517 = score(doc=1196,freq=2.0), product of:
0.22944258 = queryWeight, product of:
1.6160032 = boost
5.1532483 = idf(docFreq=697, maxDocs=44421)
0.02755185 = queryNorm
0.5693589 = fieldWeight in 1196, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
5.1532483 = idf(docFreq=697, maxDocs=44421)
0.078125 = fieldNorm(doc=1196)
1.4976923 = weight(title_txt:precis in 1196) [ClassicSimilarity], result of:
1.4976923 = score(doc=1196,freq=1.0), product of:
0.466087 = queryWeight, product of:
2.3032374 = boost
7.344759 = idf(docFreq=77, maxDocs=44421)
0.02755185 = queryNorm
3.2133322 = fieldWeight in 1196, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
7.344759 = idf(docFreq=77, maxDocs=44421)
0.4375 = fieldNorm(doc=1196)
0.26666668 = coord(4/15)
-
Austin, D.; Digger, J.A.: PRECIS: The Preserved Context Index System (1985)
0.47
0.47392568 = sum of:
0.47392568 = product of:
1.421777 = sum of:
0.010944313 = weight(abstract_txt:library in 4652) [ClassicSimilarity], result of:
0.010944313 = score(doc=4652,freq=1.0), product of:
0.08785968 = queryWeight, product of:
3.188885 = idf(docFreq=4976, maxDocs=44421)
0.02755185 = queryNorm
0.12456582 = fieldWeight in 4652, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
3.188885 = idf(docFreq=4976, maxDocs=44421)
0.0390625 = fieldNorm(doc=4652)
0.020173619 = weight(abstract_txt:subject in 4652) [ClassicSimilarity], result of:
0.020173619 = score(doc=4652,freq=1.0), product of:
0.13208489 = queryWeight, product of:
1.2261165 = boost
3.9099448 = idf(docFreq=2419, maxDocs=44421)
0.02755185 = queryNorm
0.15273222 = fieldWeight in 4652, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
3.9099448 = idf(docFreq=2419, maxDocs=44421)
0.0390625 = fieldNorm(doc=4652)
0.060736176 = weight(abstract_txt:computer in 4652) [ClassicSimilarity], result of:
0.060736176 = score(doc=4652,freq=5.0), product of:
0.16105427 = queryWeight, product of:
1.3539147 = boost
4.317478 = idf(docFreq=1609, maxDocs=44421)
0.02755185 = queryNorm
0.3771162 = fieldWeight in 4652, product of:
2.236068 = tf(freq=5.0), with freq of:
5.0 = termFreq=5.0
4.317478 = idf(docFreq=1609, maxDocs=44421)
0.0390625 = fieldNorm(doc=4652)
0.046186507 = weight(abstract_txt:headings in 4652) [ClassicSimilarity], result of:
0.046186507 = score(doc=4652,freq=1.0), product of:
0.22944258 = queryWeight, product of:
1.6160032 = boost
5.1532483 = idf(docFreq=697, maxDocs=44421)
0.02755185 = queryNorm
0.20129876 = fieldWeight in 4652, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
5.1532483 = idf(docFreq=697, maxDocs=44421)
0.0390625 = fieldNorm(doc=4652)
1.2837363 = weight(title_txt:precis in 4652) [ClassicSimilarity], result of:
1.2837363 = score(doc=4652,freq=1.0), product of:
0.466087 = queryWeight, product of:
2.3032374 = boost
7.344759 = idf(docFreq=77, maxDocs=44421)
0.02755185 = queryNorm
2.7542846 = fieldWeight in 4652, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
7.344759 = idf(docFreq=77, maxDocs=44421)
0.375 = fieldNorm(doc=4652)
0.33333334 = coord(5/15)
-
Austin, D.: PRECIS (2009)
0.46
0.46352696 = sum of:
0.46352696 = product of:
3.476452 = sum of:
0.0531554 = weight(abstract_txt:searching in 1985) [ClassicSimilarity], result of:
0.0531554 = score(doc=1985,freq=1.0), product of:
0.15873604 = queryWeight, product of:
1.3441352 = boost
4.2862926 = idf(docFreq=1660, maxDocs=44421)
0.02755185 = queryNorm
0.3348666 = fieldWeight in 1985, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
4.2862926 = idf(docFreq=1660, maxDocs=44421)
0.078125 = fieldNorm(doc=1985)
3.4232967 = weight(title_txt:precis in 1985) [ClassicSimilarity], result of:
3.4232967 = score(doc=1985,freq=1.0), product of:
0.466087 = queryWeight, product of:
2.3032374 = boost
7.344759 = idf(docFreq=77, maxDocs=44421)
0.02755185 = queryNorm
7.344759 = fieldWeight in 1985, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
7.344759 = idf(docFreq=77, maxDocs=44421)
1.0 = fieldNorm(doc=1985)
0.13333334 = coord(2/15)
