-
Voigt, K.; Benz, J.: Umweltschutz im Internet : Datenquellen zu ökologischen und chemischen Fragestellungen (1996)
0.02
0.015271729 = product of:
0.030543458 = sum of:
0.030543458 = product of:
0.061086915 = sum of:
0.061086915 = weight(_text_:j in 4904) [ClassicSimilarity], result of:
0.061086915 = score(doc=4904,freq=2.0), product of:
0.14500295 = queryWeight, product of:
3.1774964 = idf(docFreq=5010, maxDocs=44218)
0.045634337 = queryNorm
0.4212805 = fieldWeight in 4904, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.1774964 = idf(docFreq=5010, maxDocs=44218)
0.09375 = fieldNorm(doc=4904)
0.5 = coord(1/2)
0.5 = coord(1/2)
-
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)
0.01
0.01272644 = product of:
0.02545288 = sum of:
0.02545288 = product of:
0.05090576 = sum of:
0.05090576 = weight(_text_:j in 7031) [ClassicSimilarity], result of:
0.05090576 = score(doc=7031,freq=2.0), product of:
0.14500295 = queryWeight, product of:
3.1774964 = idf(docFreq=5010, maxDocs=44218)
0.045634337 = queryNorm
0.35106707 = fieldWeight in 7031, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.1774964 = idf(docFreq=5010, maxDocs=44218)
0.078125 = fieldNorm(doc=7031)
0.5 = coord(1/2)
0.5 = coord(1/2)
-
Benz, J.; Voigt, K.: Indexing file system for the set-up of metadatabases in environmental sciences on the Internet (1995)
0.01
0.0076358644 = product of:
0.015271729 = sum of:
0.015271729 = product of:
0.030543458 = sum of:
0.030543458 = weight(_text_:j in 3865) [ClassicSimilarity], result of:
0.030543458 = score(doc=3865,freq=2.0), product of:
0.14500295 = queryWeight, product of:
3.1774964 = idf(docFreq=5010, maxDocs=44218)
0.045634337 = queryNorm
0.21064025 = fieldWeight in 3865, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.1774964 = idf(docFreq=5010, maxDocs=44218)
0.046875 = fieldNorm(doc=3865)
0.5 = coord(1/2)
0.5 = coord(1/2)