-
CAS's SciFinder and new SciFinder Scholar deliver access to comprehensive chemistry databases (1997)
0.26
0.25963745 = sum of:
0.25963745 = product of:
1.0818228 = sum of:
0.02729568 = weight(abstract_txt:service in 5071) [ClassicSimilarity], result of:
0.02729568 = score(doc=5071,freq=1.0), product of:
0.06361254 = queryWeight, product of:
1.1588598 = boost
4.576989 = idf(docFreq=1241, maxDocs=44421)
0.011993113 = queryNorm
0.42909274 = fieldWeight in 5071, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
4.576989 = idf(docFreq=1241, maxDocs=44421)
0.09375 = fieldNorm(doc=5071)
0.06031968 = weight(abstract_txt:abstracts in 5071) [ClassicSimilarity], result of:
0.06031968 = score(doc=5071,freq=1.0), product of:
0.10792436 = queryWeight, product of:
1.509452 = boost
5.9616747 = idf(docFreq=310, maxDocs=44421)
0.011993113 = queryNorm
0.55890703 = fieldWeight in 5071, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
5.9616747 = idf(docFreq=310, maxDocs=44421)
0.09375 = fieldNorm(doc=5071)
0.14448029 = weight(abstract_txt:chemical in 5071) [ClassicSimilarity], result of:
0.14448029 = score(doc=5071,freq=2.0), product of:
0.1533472 = queryWeight, product of:
1.7992747 = boost
7.1063476 = idf(docFreq=98, maxDocs=44421)
0.011993113 = queryNorm
0.94217753 = fieldWeight in 5071, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
7.1063476 = idf(docFreq=98, maxDocs=44421)
0.09375 = fieldNorm(doc=5071)
0.06340809 = weight(abstract_txt:searching in 5071) [ClassicSimilarity], result of:
0.06340809 = score(doc=5071,freq=2.0), product of:
0.111577496 = queryWeight, product of:
2.1705153 = boost
4.2862926 = idf(docFreq=1660, maxDocs=44421)
0.011993113 = queryNorm
0.56828743 = fieldWeight in 5071, 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=5071)
0.06902216 = weight(abstract_txt:tool in 5071) [ClassicSimilarity], result of:
0.06902216 = score(doc=5071,freq=1.0), product of:
0.14875874 = queryWeight, product of:
2.5062003 = boost
4.9491973 = idf(docFreq=855, maxDocs=44421)
0.011993113 = queryNorm
0.46398723 = fieldWeight in 5071, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
4.9491973 = idf(docFreq=855, maxDocs=44421)
0.09375 = fieldNorm(doc=5071)
0.71729684 = weight(abstract_txt:scifinder in 5071) [ClassicSimilarity], result of:
0.71729684 = score(doc=5071,freq=2.0), product of:
0.56227154 = queryWeight, product of:
4.8724523 = boost
9.622026 = idf(docFreq=7, maxDocs=44421)
0.011993113 = queryNorm
1.2757125 = fieldWeight in 5071, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
9.622026 = idf(docFreq=7, maxDocs=44421)
0.09375 = fieldNorm(doc=5071)
0.24 = coord(6/25)
-
Whitley, K.M.: Analysis of SciFinder Scholar and Web of Science citation searches (2002)
0.18
0.1758675 = sum of:
0.1758675 = product of:
0.8793375 = sum of:
0.02729568 = weight(abstract_txt:service in 2255) [ClassicSimilarity], result of:
0.02729568 = score(doc=2255,freq=1.0), product of:
0.06361254 = queryWeight, product of:
1.1588598 = boost
4.576989 = idf(docFreq=1241, maxDocs=44421)
0.011993113 = queryNorm
0.42909274 = fieldWeight in 2255, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
4.576989 = idf(docFreq=1241, maxDocs=44421)
0.09375 = fieldNorm(doc=2255)
0.10447674 = weight(abstract_txt:abstracts in 2255) [ClassicSimilarity], result of:
0.10447674 = score(doc=2255,freq=3.0), product of:
0.10792436 = queryWeight, product of:
1.509452 = boost
5.9616747 = idf(docFreq=310, maxDocs=44421)
0.011993113 = queryNorm
0.96805525 = fieldWeight in 2255, product of:
1.7320508 = tf(freq=3.0), with freq of:
3.0 = termFreq=3.0
5.9616747 = idf(docFreq=310, maxDocs=44421)
0.09375 = fieldNorm(doc=2255)
0.17695147 = weight(abstract_txt:chemical in 2255) [ClassicSimilarity], result of:
0.17695147 = score(doc=2255,freq=3.0), product of:
0.1533472 = queryWeight, product of:
1.7992747 = boost
7.1063476 = idf(docFreq=98, maxDocs=44421)
0.011993113 = queryNorm
1.153927 = fieldWeight in 2255, product of:
1.7320508 = tf(freq=3.0), with freq of:
3.0 = termFreq=3.0
7.1063476 = idf(docFreq=98, maxDocs=44421)
0.09375 = fieldNorm(doc=2255)
0.06340809 = weight(abstract_txt:searching in 2255) [ClassicSimilarity], result of:
0.06340809 = score(doc=2255,freq=2.0), product of:
0.111577496 = queryWeight, product of:
2.1705153 = boost
4.2862926 = idf(docFreq=1660, maxDocs=44421)
0.011993113 = queryNorm
0.56828743 = fieldWeight in 2255, 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=2255)
0.5072055 = weight(abstract_txt:scifinder in 2255) [ClassicSimilarity], result of:
0.5072055 = score(doc=2255,freq=1.0), product of:
0.56227154 = queryWeight, product of:
4.8724523 = boost
9.622026 = idf(docFreq=7, maxDocs=44421)
0.011993113 = queryNorm
0.902065 = fieldWeight in 2255, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
9.622026 = idf(docFreq=7, maxDocs=44421)
0.09375 = fieldNorm(doc=2255)
0.2 = coord(5/25)
-
O'Leary, M.: STN Easy solves sci-tech search woes : Web-based service opens powerful searching to sci-tech end users (1997)
0.11
0.111863926 = sum of:
0.111863926 = product of:
0.39951402 = sum of:
0.01461571 = weight(abstract_txt:discusses in 3656) [ClassicSimilarity], result of:
0.01461571 = score(doc=3656,freq=1.0), product of:
0.047367547 = queryWeight, product of:
3.9495623 = idf(docFreq=2325, maxDocs=44421)
0.011993113 = queryNorm
0.30855957 = fieldWeight in 3656, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
3.9495623 = idf(docFreq=2325, maxDocs=44421)
0.078125 = fieldNorm(doc=3656)
0.017720765 = weight(abstract_txt:provides in 3656) [ClassicSimilarity], result of:
0.017720765 = score(doc=3656,freq=1.0), product of:
0.053858712 = queryWeight, product of:
1.06632 = boost
4.211497 = idf(docFreq=1789, maxDocs=44421)
0.011993113 = queryNorm
0.32902318 = fieldWeight in 3656, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
4.211497 = idf(docFreq=1789, maxDocs=44421)
0.078125 = fieldNorm(doc=3656)
0.039397918 = weight(abstract_txt:service in 3656) [ClassicSimilarity], result of:
0.039397918 = score(doc=3656,freq=3.0), product of:
0.06361254 = queryWeight, product of:
1.1588598 = boost
4.576989 = idf(docFreq=1241, maxDocs=44421)
0.011993113 = queryNorm
0.61934197 = fieldWeight in 3656, product of:
1.7320508 = tf(freq=3.0), with freq of:
3.0 = termFreq=3.0
4.576989 = idf(docFreq=1241, maxDocs=44421)
0.078125 = fieldNorm(doc=3656)
0.044517014 = weight(abstract_txt:files in 3656) [ClassicSimilarity], result of:
0.044517014 = score(doc=3656,freq=1.0), product of:
0.09952946 = queryWeight, product of:
1.4495573 = boost
5.7251167 = idf(docFreq=393, maxDocs=44421)
0.011993113 = queryNorm
0.44727474 = fieldWeight in 3656, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
5.7251167 = idf(docFreq=393, maxDocs=44421)
0.078125 = fieldNorm(doc=3656)
0.07108742 = weight(abstract_txt:abstracts in 3656) [ClassicSimilarity], result of:
0.07108742 = score(doc=3656,freq=2.0), product of:
0.10792436 = queryWeight, product of:
1.509452 = boost
5.9616747 = idf(docFreq=310, maxDocs=44421)
0.011993113 = queryNorm
0.6586782 = fieldWeight in 3656, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
5.9616747 = idf(docFreq=310, maxDocs=44421)
0.078125 = fieldNorm(doc=3656)
0.14745955 = weight(abstract_txt:chemical in 3656) [ClassicSimilarity], result of:
0.14745955 = score(doc=3656,freq=3.0), product of:
0.1533472 = queryWeight, product of:
1.7992747 = boost
7.1063476 = idf(docFreq=98, maxDocs=44421)
0.011993113 = queryNorm
0.96160585 = fieldWeight in 3656, product of:
1.7320508 = tf(freq=3.0), with freq of:
3.0 = termFreq=3.0
7.1063476 = idf(docFreq=98, maxDocs=44421)
0.078125 = fieldNorm(doc=3656)
0.06471562 = weight(abstract_txt:searching in 3656) [ClassicSimilarity], result of:
0.06471562 = score(doc=3656,freq=3.0), product of:
0.111577496 = queryWeight, product of:
2.1705153 = boost
4.2862926 = idf(docFreq=1660, maxDocs=44421)
0.011993113 = queryNorm
0.580006 = fieldWeight in 3656, product of:
1.7320508 = tf(freq=3.0), with freq of:
3.0 = termFreq=3.0
4.2862926 = idf(docFreq=1660, maxDocs=44421)
0.078125 = fieldNorm(doc=3656)
0.28 = coord(7/25)
-
Bell, S.S.: Net search strategies (1997)
0.11
0.10724695 = sum of:
0.10724695 = product of:
0.4468623 = sum of:
0.017538851 = weight(abstract_txt:discusses in 1951) [ClassicSimilarity], result of:
0.017538851 = score(doc=1951,freq=1.0), product of:
0.047367547 = queryWeight, product of:
3.9495623 = idf(docFreq=2325, maxDocs=44421)
0.011993113 = queryNorm
0.37027147 = fieldWeight in 1951, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
3.9495623 = idf(docFreq=2325, maxDocs=44421)
0.09375 = fieldNorm(doc=1951)
0.051687542 = weight(abstract_txt:suggests in 1951) [ClassicSimilarity], result of:
0.051687542 = score(doc=1951,freq=2.0), product of:
0.07727887 = queryWeight, product of:
1.2772912 = boost
5.044741 = idf(docFreq=777, maxDocs=44421)
0.011993113 = queryNorm
0.66884446 = fieldWeight in 1951, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
5.044741 = idf(docFreq=777, maxDocs=44421)
0.09375 = fieldNorm(doc=1951)
0.06340809 = weight(abstract_txt:searching in 1951) [ClassicSimilarity], result of:
0.06340809 = score(doc=1951,freq=2.0), product of:
0.111577496 = queryWeight, product of:
2.1705153 = boost
4.2862926 = idf(docFreq=1660, maxDocs=44421)
0.011993113 = queryNorm
0.56828743 = fieldWeight in 1951, 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=1951)
0.18173057 = weight(abstract_txt:hints in 1951) [ClassicSimilarity], result of:
0.18173057 = score(doc=1951,freq=1.0), product of:
0.22512935 = queryWeight, product of:
2.180096 = boost
8.610425 = idf(docFreq=21, maxDocs=44421)
0.011993113 = queryNorm
0.8072274 = fieldWeight in 1951, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
8.610425 = idf(docFreq=21, maxDocs=44421)
0.09375 = fieldNorm(doc=1951)
0.06347512 = weight(abstract_txt:help in 1951) [ClassicSimilarity], result of:
0.06347512 = score(doc=1951,freq=1.0), product of:
0.14067787 = queryWeight, product of:
2.437179 = boost
4.8128953 = idf(docFreq=980, maxDocs=44421)
0.011993113 = queryNorm
0.45120895 = fieldWeight in 1951, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
4.8128953 = idf(docFreq=980, maxDocs=44421)
0.09375 = fieldNorm(doc=1951)
0.06902216 = weight(abstract_txt:tool in 1951) [ClassicSimilarity], result of:
0.06902216 = score(doc=1951,freq=1.0), product of:
0.14875874 = queryWeight, product of:
2.5062003 = boost
4.9491973 = idf(docFreq=855, maxDocs=44421)
0.011993113 = queryNorm
0.46398723 = fieldWeight in 1951, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
4.9491973 = idf(docFreq=855, maxDocs=44421)
0.09375 = fieldNorm(doc=1951)
0.24 = coord(6/25)
-
McMahon, K.: Using the BUBL information service as a Internet reference source (1995)
0.10
0.0995002 = sum of:
0.0995002 = product of:
0.35535786 = sum of:
0.02729568 = weight(abstract_txt:service in 2201) [ClassicSimilarity], result of:
0.02729568 = score(doc=2201,freq=1.0), product of:
0.06361254 = queryWeight, product of:
1.1588598 = boost
4.576989 = idf(docFreq=1241, maxDocs=44421)
0.011993113 = queryNorm
0.42909274 = fieldWeight in 2201, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
4.576989 = idf(docFreq=1241, maxDocs=44421)
0.09375 = fieldNorm(doc=2201)
0.011396008 = weight(abstract_txt:information in 2201) [ClassicSimilarity], result of:
0.011396008 = score(doc=2201,freq=2.0), product of:
0.03553437 = queryWeight, product of:
1.224895 = boost
2.4188995 = idf(docFreq=10748, maxDocs=44421)
0.011993113 = queryNorm
0.3207038 = fieldWeight in 2201, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.4188995 = idf(docFreq=10748, maxDocs=44421)
0.09375 = fieldNorm(doc=2201)
0.04521293 = weight(abstract_txt:professionals in 2201) [ClassicSimilarity], result of:
0.04521293 = score(doc=2201,freq=1.0), product of:
0.08905437 = queryWeight, product of:
1.3711569 = boost
5.4154696 = idf(docFreq=536, maxDocs=44421)
0.011993113 = queryNorm
0.50770026 = fieldWeight in 2201, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
5.4154696 = idf(docFreq=536, maxDocs=44421)
0.09375 = fieldNorm(doc=2201)
0.075547874 = weight(abstract_txt:files in 2201) [ClassicSimilarity], result of:
0.075547874 = score(doc=2201,freq=2.0), product of:
0.09952946 = queryWeight, product of:
1.4495573 = boost
5.7251167 = idf(docFreq=393, maxDocs=44421)
0.011993113 = queryNorm
0.75905037 = fieldWeight in 2201, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
5.7251167 = idf(docFreq=393, maxDocs=44421)
0.09375 = fieldNorm(doc=2201)
0.06340809 = weight(abstract_txt:searching in 2201) [ClassicSimilarity], result of:
0.06340809 = score(doc=2201,freq=2.0), product of:
0.111577496 = queryWeight, product of:
2.1705153 = boost
4.2862926 = idf(docFreq=1660, maxDocs=44421)
0.011993113 = queryNorm
0.56828743 = fieldWeight in 2201, 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=2201)
0.06347512 = weight(abstract_txt:help in 2201) [ClassicSimilarity], result of:
0.06347512 = score(doc=2201,freq=1.0), product of:
0.14067787 = queryWeight, product of:
2.437179 = boost
4.8128953 = idf(docFreq=980, maxDocs=44421)
0.011993113 = queryNorm
0.45120895 = fieldWeight in 2201, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
4.8128953 = idf(docFreq=980, maxDocs=44421)
0.09375 = fieldNorm(doc=2201)
0.06902216 = weight(abstract_txt:tool in 2201) [ClassicSimilarity], result of:
0.06902216 = score(doc=2201,freq=1.0), product of:
0.14875874 = queryWeight, product of:
2.5062003 = boost
4.9491973 = idf(docFreq=855, maxDocs=44421)
0.011993113 = queryNorm
0.46398723 = fieldWeight in 2201, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
4.9491973 = idf(docFreq=855, maxDocs=44421)
0.09375 = fieldNorm(doc=2201)
0.28 = coord(7/25)