-
Voigt, K.; Benz, J.; Brüggemann, R.: ¬The Internet as an information source for environmental chemicals : first results of the evaluation of the metadatabase of Internet resources (1996)
0.04
0.039384715 = product of:
0.098461784 = sum of:
0.048695378 = weight(_text_:u in 7031) [ClassicSimilarity], result of:
0.048695378 = score(doc=7031,freq=2.0), product of:
0.13460001 = queryWeight, product of:
3.2744443 = idf(docFreq=4547, maxDocs=44218)
0.041106213 = queryNorm
0.3617784 = fieldWeight in 7031, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.2744443 = idf(docFreq=4547, maxDocs=44218)
0.078125 = fieldNorm(doc=7031)
0.049766406 = weight(_text_:r in 7031) [ClassicSimilarity], result of:
0.049766406 = score(doc=7031,freq=2.0), product of:
0.13607219 = queryWeight, product of:
3.3102584 = idf(docFreq=4387, maxDocs=44218)
0.041106213 = queryNorm
0.36573532 = fieldWeight in 7031, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.3102584 = idf(docFreq=4387, maxDocs=44218)
0.078125 = fieldNorm(doc=7031)
0.4 = coord(2/5)
- Source
- Online information 96: 20th International online information meeting, Proceedings, London, 3-5 December 1996. Ed.: D.I. Raitt u. B. Jeapes
-
Voigt, K.; Brüggemann, R.: Evaluation criteria for environmental and chemical databases (1998)
0.02
0.018627128 = product of:
0.04656782 = sum of:
0.029859845 = weight(_text_:r in 3296) [ClassicSimilarity], result of:
0.029859845 = score(doc=3296,freq=2.0), product of:
0.13607219 = queryWeight, product of:
3.3102584 = idf(docFreq=4387, maxDocs=44218)
0.041106213 = queryNorm
0.2194412 = fieldWeight in 3296, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.3102584 = idf(docFreq=4387, maxDocs=44218)
0.046875 = fieldNorm(doc=3296)
0.016707974 = product of:
0.033415947 = sum of:
0.033415947 = weight(_text_:22 in 3296) [ClassicSimilarity], result of:
0.033415947 = score(doc=3296,freq=2.0), product of:
0.14394696 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.041106213 = queryNorm
0.23214069 = fieldWeight in 3296, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.046875 = fieldNorm(doc=3296)
0.5 = coord(1/2)
0.4 = coord(2/5)
- Source
- Online and CD-ROM review. 22(1998) no.4, S.247-262
-
Benz, J.; Voigt, K.: Indexing file system for the set-up of metadatabases in environmental sciences on the Internet (1995)
0.01
0.005843445 = product of:
0.029217226 = sum of:
0.029217226 = weight(_text_:u in 3865) [ClassicSimilarity], result of:
0.029217226 = score(doc=3865,freq=2.0), product of:
0.13460001 = queryWeight, product of:
3.2744443 = idf(docFreq=4547, maxDocs=44218)
0.041106213 = queryNorm
0.21706703 = fieldWeight in 3865, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.2744443 = idf(docFreq=4547, maxDocs=44218)
0.046875 = fieldNorm(doc=3865)
0.2 = coord(1/5)
- Source
- Online information 95: Proceedings of the 19th International online information meeting, London, 5-7 December 1995. Ed.: D.I. Raitt u. B. Jeapes