-
Ardö, A.; Godby, J.; Houghton, A.; Koch, T.; Reighart, R.; Thompson, R.; Vizine-Goetz, D.: Browsing engineering resources on the Web : a general knowledge organization scheme (Dewey) vs. a special scheme (EI) (2000)
0.44
0.44202876 = sum of:
0.44202876 = product of:
1.1050719 = sum of:
0.081900164 = weight(abstract_txt:thesaurus in 86) [ClassicSimilarity], result of:
0.081900164 = score(doc=86,freq=1.0), product of:
0.16910572 = queryWeight, product of:
1.228632 = boost
5.1660094 = idf(docFreq=685, maxDocs=44218)
0.026642887 = queryNorm
0.48431337 = fieldWeight in 86, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
5.1660094 = idf(docFreq=685, maxDocs=44218)
0.09375 = fieldNorm(doc=86)
0.070857465 = weight(abstract_txt:subject in 86) [ClassicSimilarity], result of:
0.070857465 = score(doc=86,freq=1.0), product of:
0.19345005 = queryWeight, product of:
1.8584124 = boost
3.9070187 = idf(docFreq=2415, maxDocs=44218)
0.026642887 = queryNorm
0.366283 = fieldWeight in 86, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
3.9070187 = idf(docFreq=2415, maxDocs=44218)
0.09375 = fieldNorm(doc=86)
0.19637997 = weight(abstract_txt:classification in 86) [ClassicSimilarity], result of:
0.19637997 = score(doc=86,freq=3.0), product of:
0.30294695 = queryWeight, product of:
2.8483057 = boost
3.9920752 = idf(docFreq=2218, maxDocs=44218)
0.026642887 = queryNorm
0.6482322 = fieldWeight in 86, product of:
1.7320508 = tf(freq=3.0), with freq of:
3.0 = termFreq=3.0
3.9920752 = idf(docFreq=2218, maxDocs=44218)
0.09375 = fieldNorm(doc=86)
0.7559343 = weight(abstract_txt:engineering in 86) [ClassicSimilarity], result of:
0.7559343 = score(doc=86,freq=4.0), product of:
0.6760491 = queryWeight, product of:
4.25493 = boost
5.963546 = idf(docFreq=308, maxDocs=44218)
0.026642887 = queryNorm
1.1181648 = fieldWeight in 86, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
5.963546 = idf(docFreq=308, maxDocs=44218)
0.09375 = fieldNorm(doc=86)
0.4 = coord(4/10)
-
Sears' list of subject headings (2018)
0.40
0.39683923 = sum of:
0.39683923 = product of:
0.9920981 = sum of:
0.12272873 = weight(abstract_txt:subject in 4652) [ClassicSimilarity], result of:
0.12272873 = score(doc=4652,freq=3.0), product of:
0.19345005 = queryWeight, product of:
1.8584124 = boost
3.9070187 = idf(docFreq=2415, maxDocs=44218)
0.026642887 = queryNorm
0.63442075 = fieldWeight in 4652, product of:
1.7320508 = tf(freq=3.0), with freq of:
3.0 = termFreq=3.0
3.9070187 = idf(docFreq=2415, maxDocs=44218)
0.09375 = fieldNorm(doc=4652)
0.09353756 = weight(abstract_txt:technology in 4652) [ClassicSimilarity], result of:
0.09353756 = score(doc=4652,freq=1.0), product of:
0.23279259 = queryWeight, product of:
2.038648 = boost
4.2859354 = idf(docFreq=1653, maxDocs=44218)
0.026642887 = queryNorm
0.40180644 = fieldWeight in 4652, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
4.2859354 = idf(docFreq=1653, maxDocs=44218)
0.09375 = fieldNorm(doc=4652)
0.3978647 = weight(abstract_txt:headings in 4652) [ClassicSimilarity], result of:
0.3978647 = score(doc=4652,freq=6.0), product of:
0.33631915 = queryWeight, product of:
2.45038 = boost
5.1515374 = idf(docFreq=695, maxDocs=44218)
0.026642887 = queryNorm
1.1829975 = fieldWeight in 4652, product of:
2.4494898 = tf(freq=6.0), with freq of:
6.0 = termFreq=6.0
5.1515374 = idf(docFreq=695, maxDocs=44218)
0.09375 = fieldNorm(doc=4652)
0.37796715 = weight(abstract_txt:engineering in 4652) [ClassicSimilarity], result of:
0.37796715 = score(doc=4652,freq=1.0), product of:
0.6760491 = queryWeight, product of:
4.25493 = boost
5.963546 = idf(docFreq=308, maxDocs=44218)
0.026642887 = queryNorm
0.5590824 = fieldWeight in 4652, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
5.963546 = idf(docFreq=308, maxDocs=44218)
0.09375 = fieldNorm(doc=4652)
0.4 = coord(4/10)
-
Gödert, W.: Subject headings for mathematical literature (1980)
0.39
0.39139855 = sum of:
0.39139855 = product of:
0.7827971 = sum of:
0.081900164 = weight(abstract_txt:thesaurus in 4660) [ClassicSimilarity], result of:
0.081900164 = score(doc=4660,freq=1.0), product of:
0.16910572 = queryWeight, product of:
1.228632 = boost
5.1660094 = idf(docFreq=685, maxDocs=44218)
0.026642887 = queryNorm
0.48431337 = fieldWeight in 4660, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
5.1660094 = idf(docFreq=685, maxDocs=44218)
0.09375 = fieldNorm(doc=4660)
0.14171493 = weight(abstract_txt:subject in 4660) [ClassicSimilarity], result of:
0.14171493 = score(doc=4660,freq=4.0), product of:
0.19345005 = queryWeight, product of:
1.8584124 = boost
3.9070187 = idf(docFreq=2415, maxDocs=44218)
0.026642887 = queryNorm
0.732566 = fieldWeight in 4660, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
3.9070187 = idf(docFreq=2415, maxDocs=44218)
0.09375 = fieldNorm(doc=4660)
0.22970727 = weight(abstract_txt:headings in 4660) [ClassicSimilarity], result of:
0.22970727 = score(doc=4660,freq=2.0), product of:
0.33631915 = queryWeight, product of:
2.45038 = boost
5.1515374 = idf(docFreq=695, maxDocs=44218)
0.026642887 = queryNorm
0.68300384 = fieldWeight in 4660, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
5.1515374 = idf(docFreq=695, maxDocs=44218)
0.09375 = fieldNorm(doc=4660)
0.16913117 = weight(abstract_txt:books in 4660) [ClassicSimilarity], result of:
0.16913117 = score(doc=4660,freq=1.0), product of:
0.3455102 = queryWeight, product of:
2.4836369 = boost
5.2214546 = idf(docFreq=648, maxDocs=44218)
0.026642887 = queryNorm
0.48951137 = fieldWeight in 4660, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
5.2214546 = idf(docFreq=648, maxDocs=44218)
0.09375 = fieldNorm(doc=4660)
0.16034357 = weight(abstract_txt:classification in 4660) [ClassicSimilarity], result of:
0.16034357 = score(doc=4660,freq=2.0), product of:
0.30294695 = queryWeight, product of:
2.8483057 = boost
3.9920752 = idf(docFreq=2218, maxDocs=44218)
0.026642887 = queryNorm
0.52927935 = fieldWeight in 4660, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.9920752 = idf(docFreq=2218, maxDocs=44218)
0.09375 = fieldNorm(doc=4660)
0.5 = coord(5/10)
-
Chen, K.-n.: Dynamic subject numbers replace traditional classification numbers (2013)
0.39
0.38978624 = sum of:
0.38978624 = product of:
0.7795725 = sum of:
0.11159933 = weight(abstract_txt:subjects in 787) [ClassicSimilarity], result of:
0.11159933 = score(doc=787,freq=2.0), product of:
0.18628891 = queryWeight, product of:
1.289544 = boost
5.4221253 = idf(docFreq=530, maxDocs=44218)
0.026642887 = queryNorm
0.5990659 = fieldWeight in 787, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
5.4221253 = idf(docFreq=530, maxDocs=44218)
0.078125 = fieldNorm(doc=787)
0.083506316 = weight(abstract_txt:subject in 787) [ClassicSimilarity], result of:
0.083506316 = score(doc=787,freq=2.0), product of:
0.19345005 = queryWeight, product of:
1.8584124 = boost
3.9070187 = idf(docFreq=2415, maxDocs=44218)
0.026642887 = queryNorm
0.43166864 = fieldWeight in 787, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.9070187 = idf(docFreq=2415, maxDocs=44218)
0.078125 = fieldNorm(doc=787)
0.07794797 = weight(abstract_txt:technology in 787) [ClassicSimilarity], result of:
0.07794797 = score(doc=787,freq=1.0), product of:
0.23279259 = queryWeight, product of:
2.038648 = boost
4.2859354 = idf(docFreq=1653, maxDocs=44218)
0.026642887 = queryNorm
0.3348387 = fieldWeight in 787, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
4.2859354 = idf(docFreq=1653, maxDocs=44218)
0.078125 = fieldNorm(doc=787)
0.37289917 = weight(abstract_txt:books in 787) [ClassicSimilarity], result of:
0.37289917 = score(doc=787,freq=7.0), product of:
0.3455102 = queryWeight, product of:
2.4836369 = boost
5.2214546 = idf(docFreq=648, maxDocs=44218)
0.026642887 = queryNorm
1.0792711 = fieldWeight in 787, product of:
2.6457512 = tf(freq=7.0), with freq of:
7.0 = termFreq=7.0
5.2214546 = idf(docFreq=648, maxDocs=44218)
0.078125 = fieldNorm(doc=787)
0.13361965 = weight(abstract_txt:classification in 787) [ClassicSimilarity], result of:
0.13361965 = score(doc=787,freq=2.0), product of:
0.30294695 = queryWeight, product of:
2.8483057 = boost
3.9920752 = idf(docFreq=2218, maxDocs=44218)
0.026642887 = queryNorm
0.44106615 = fieldWeight in 787, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.9920752 = idf(docFreq=2218, maxDocs=44218)
0.078125 = fieldNorm(doc=787)
0.5 = coord(5/10)
-
Svenonius, E.: Design of controlled vocabularies in the context of emerging technologies (1988)
0.37
0.3738982 = sum of:
0.3738982 = product of:
0.7477964 = sum of:
0.10920022 = weight(abstract_txt:thesaurus in 762) [ClassicSimilarity], result of:
0.10920022 = score(doc=762,freq=1.0), product of:
0.16910572 = queryWeight, product of:
1.228632 = boost
5.1660094 = idf(docFreq=685, maxDocs=44218)
0.026642887 = queryNorm
0.6457512 = fieldWeight in 762, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
5.1660094 = idf(docFreq=685, maxDocs=44218)
0.125 = fieldNorm(doc=762)
0.09447662 = weight(abstract_txt:subject in 762) [ClassicSimilarity], result of:
0.09447662 = score(doc=762,freq=1.0), product of:
0.19345005 = queryWeight, product of:
1.8584124 = boost
3.9070187 = idf(docFreq=2415, maxDocs=44218)
0.026642887 = queryNorm
0.48837733 = fieldWeight in 762, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
3.9070187 = idf(docFreq=2415, maxDocs=44218)
0.125 = fieldNorm(doc=762)
0.1763761 = weight(abstract_txt:technology in 762) [ClassicSimilarity], result of:
0.1763761 = score(doc=762,freq=2.0), product of:
0.23279259 = queryWeight, product of:
2.038648 = boost
4.2859354 = idf(docFreq=1653, maxDocs=44218)
0.026642887 = queryNorm
0.7576535 = fieldWeight in 762, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
4.2859354 = idf(docFreq=1653, maxDocs=44218)
0.125 = fieldNorm(doc=762)
0.21657008 = weight(abstract_txt:headings in 762) [ClassicSimilarity], result of:
0.21657008 = score(doc=762,freq=1.0), product of:
0.33631915 = queryWeight, product of:
2.45038 = boost
5.1515374 = idf(docFreq=695, maxDocs=44218)
0.026642887 = queryNorm
0.6439422 = fieldWeight in 762, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
5.1515374 = idf(docFreq=695, maxDocs=44218)
0.125 = fieldNorm(doc=762)
0.15117338 = weight(abstract_txt:classification in 762) [ClassicSimilarity], result of:
0.15117338 = score(doc=762,freq=1.0), product of:
0.30294695 = queryWeight, product of:
2.8483057 = boost
3.9920752 = idf(docFreq=2218, maxDocs=44218)
0.026642887 = queryNorm
0.4990094 = fieldWeight in 762, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
3.9920752 = idf(docFreq=2218, maxDocs=44218)
0.125 = fieldNorm(doc=762)
0.5 = coord(5/10)