-
Fuhr, N.; Niewelt, B.: ¬Ein Retrievaltest mit automatisch indexierten Dokumenten (1984)
0.07
0.065332115 = product of:
0.13066423 = sum of:
0.13066423 = sum of:
0.043748863 = weight(_text_:h in 262) [ClassicSimilarity], result of:
0.043748863 = score(doc=262,freq=2.0), product of:
0.113842286 = queryWeight, product of:
2.4844491 = idf(docFreq=10020, maxDocs=44218)
0.045821942 = queryNorm
0.38429362 = fieldWeight in 262, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.4844491 = idf(docFreq=10020, maxDocs=44218)
0.109375 = fieldNorm(doc=262)
0.08691537 = weight(_text_:22 in 262) [ClassicSimilarity], result of:
0.08691537 = score(doc=262,freq=2.0), product of:
0.16046064 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.045821942 = queryNorm
0.5416616 = fieldWeight in 262, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.109375 = fieldNorm(doc=262)
0.5 = coord(1/2)
- Date
- 20.10.2000 12:22:23
- Source
- Deutscher Dokumentartag 1983, Göttingen, 3.-7.10.1983: Fachinformation und Bildschirmtext. Bearb.: H. Strohl-Goebel
-
Saracevic, T.: On a method for studying the structure and nature of requests in information retrieval (1983)
0.02
0.0155206015 = product of:
0.031041203 = sum of:
0.031041203 = product of:
0.062082406 = sum of:
0.062082406 = weight(_text_:22 in 2417) [ClassicSimilarity], result of:
0.062082406 = score(doc=2417,freq=2.0), product of:
0.16046064 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.045821942 = queryNorm
0.38690117 = fieldWeight in 2417, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.078125 = fieldNorm(doc=2417)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Pages
- S.22-25
-
Ongering, H.; Riesthuis, G.J.A.: ¬De ontsluiting in het ADION-systeem : precision en recall (1989)
0.01
0.012499675 = product of:
0.02499935 = sum of:
0.02499935 = product of:
0.0499987 = sum of:
0.0499987 = weight(_text_:h in 416) [ClassicSimilarity], result of:
0.0499987 = score(doc=416,freq=2.0), product of:
0.113842286 = queryWeight, product of:
2.4844491 = idf(docFreq=10020, maxDocs=44218)
0.045821942 = queryNorm
0.4391927 = fieldWeight in 416, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.4844491 = idf(docFreq=10020, maxDocs=44218)
0.125 = fieldNorm(doc=416)
0.5 = coord(1/2)
0.5 = coord(1/2)
-
Hodges, P.R.: Keyword in title indexes : effectiveness of retrieval in computer searches (1983)
0.01
0.010864421 = product of:
0.021728842 = sum of:
0.021728842 = product of:
0.043457683 = sum of:
0.043457683 = weight(_text_:22 in 5001) [ClassicSimilarity], result of:
0.043457683 = score(doc=5001,freq=2.0), product of:
0.16046064 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.045821942 = queryNorm
0.2708308 = fieldWeight in 5001, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.0546875 = fieldNorm(doc=5001)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Date
- 14. 3.1996 13:22:21
-
Madelung, H.-O.: Subject searching in the social sciences : a comparison of PRECIS and KWIC indexes indexes to newspaper articles (1982)
0.01
0.005468608 = product of:
0.010937216 = sum of:
0.010937216 = product of:
0.021874432 = sum of:
0.021874432 = weight(_text_:h in 5517) [ClassicSimilarity], result of:
0.021874432 = score(doc=5517,freq=2.0), product of:
0.113842286 = queryWeight, product of:
2.4844491 = idf(docFreq=10020, maxDocs=44218)
0.045821942 = queryNorm
0.19214681 = fieldWeight in 5517, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.4844491 = idf(docFreq=10020, maxDocs=44218)
0.0546875 = fieldNorm(doc=5517)
0.5 = coord(1/2)
0.5 = coord(1/2)