Search (2 results, page 1 of 1)
-
Frei, H.P.; Meienberg, S.; Schäuble, P.: ¬The perils of interpreting recall and precision values (1991)
0.00
0.0019599048 = product of: 0.0039198096 = sum of: 0.0039198096 = product of: 0.007839619 = sum of: 0.007839619 = weight(_text_:s in 786) [ClassicSimilarity], result of: 0.007839619 = score(doc=786,freq=4.0), product of: 0.057684682 = queryWeight, product of: 1.0872376 = idf(docFreq=40523, maxDocs=44218) 0.053056188 = queryNorm 0.1359047 = fieldWeight in 786, product of: 2.0 = tf(freq=4.0), with freq of: 4.0 = termFreq=4.0 1.0872376 = idf(docFreq=40523, maxDocs=44218) 0.0625 = fieldNorm(doc=786) 0.5 = coord(1/2) 0.5 = coord(1/2)
- Pages
- S.1-10
-
Frei, H.P.; Schäuble, P.: Determining the effectiveness of retrieval algorithms (1991)
0.00
0.0010393964 = product of: 0.0020787928 = sum of: 0.0020787928 = product of: 0.0041575856 = sum of: 0.0041575856 = weight(_text_:s in 787) [ClassicSimilarity], result of: 0.0041575856 = score(doc=787,freq=2.0), product of: 0.057684682 = queryWeight, product of: 1.0872376 = idf(docFreq=40523, maxDocs=44218) 0.053056188 = queryNorm 0.072074346 = fieldWeight in 787, product of: 1.4142135 = tf(freq=2.0), with freq of: 2.0 = termFreq=2.0 1.0872376 = idf(docFreq=40523, maxDocs=44218) 0.046875 = fieldNorm(doc=787) 0.5 = coord(1/2) 0.5 = coord(1/2)
- Source
- Information processing and management. 27(1991) no.2/3, S.153-164