Search (2 results, page 1 of 1)
-
×
author_ss:"Brüggemann, R."
-
×
author_ss:"Voigt, K."
-
×
language_ss:"e"
-
×
theme_ss:"Informationsmittel"
- Did you mean:
- author's%3a%22Poetzsch%2c E.%22 2
- authors%3a%22Poetzsch%2c E.%22 2
-
Voigt, K.; Brüggemann, R.: Evaluation criteria for environmental and chemical databases (1998)
0.02
0.021857034 = product of: 0.04371407 = sum of: 0.04371407 = sum of: 0.006302999 = weight(_text_:e in 3296) [ClassicSimilarity], result of: 0.006302999 = score(doc=3296,freq=2.0), product of: 0.06614887 = queryWeight, product of: 1.43737 = idf(docFreq=28552, maxDocs=44218) 0.04602077 = queryNorm 0.09528506 = fieldWeight in 3296, product of: 1.4142135 = tf(freq=2.0), with freq of: 2.0 = termFreq=2.0 1.43737 = idf(docFreq=28552, maxDocs=44218) 0.046875 = fieldNorm(doc=3296) 0.03741107 = weight(_text_:22 in 3296) [ClassicSimilarity], result of: 0.03741107 = score(doc=3296,freq=2.0), product of: 0.1611569 = queryWeight, product of: 3.5018296 = idf(docFreq=3622, maxDocs=44218) 0.04602077 = 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)
- Language
- e
- Source
- Online and CD-ROM review. 22(1998) no.4, S.247-262
-
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)
0.00
0.0026262498 = product of: 0.0052524996 = sum of: 0.0052524996 = product of: 0.010504999 = sum of: 0.010504999 = weight(_text_:e in 7031) [ClassicSimilarity], result of: 0.010504999 = score(doc=7031,freq=2.0), product of: 0.06614887 = queryWeight, product of: 1.43737 = idf(docFreq=28552, maxDocs=44218) 0.04602077 = queryNorm 0.15880844 = fieldWeight in 7031, product of: 1.4142135 = tf(freq=2.0), with freq of: 2.0 = termFreq=2.0 1.43737 = idf(docFreq=28552, maxDocs=44218) 0.078125 = fieldNorm(doc=7031) 0.5 = coord(1/2) 0.5 = coord(1/2)
- Language
- e