-
Lancaster, F.W.; Fayen, E.G.: Information retrieval on-line (1973)
0.01
0.0055948654 = product of:
0.011189731 = sum of:
0.011189731 = product of:
0.022379462 = sum of:
0.022379462 = weight(_text_:e in 2260) [ClassicSimilarity], result of:
0.022379462 = score(doc=2260,freq=2.0), product of:
0.07046056 = queryWeight, product of:
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.049020473 = queryNorm
0.31761688 = fieldWeight in 2260, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.15625 = fieldNorm(doc=2260)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Language
- e
-
Lancaster, F.W.: Toward paperless information systems (1978)
0.01
0.0055948654 = product of:
0.011189731 = sum of:
0.011189731 = product of:
0.022379462 = sum of:
0.022379462 = weight(_text_:e in 3356) [ClassicSimilarity], result of:
0.022379462 = score(doc=3356,freq=2.0), product of:
0.07046056 = queryWeight, product of:
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.049020473 = queryNorm
0.31761688 = fieldWeight in 3356, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.15625 = fieldNorm(doc=3356)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Language
- e
-
Lancaster, F.W.: Vocabulary control in information retrieval systems (1977)
0.00
0.0044758925 = product of:
0.008951785 = sum of:
0.008951785 = product of:
0.01790357 = sum of:
0.01790357 = weight(_text_:e in 1774) [ClassicSimilarity], result of:
0.01790357 = score(doc=1774,freq=2.0), product of:
0.07046056 = queryWeight, product of:
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.049020473 = queryNorm
0.2540935 = fieldWeight in 1774, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.125 = fieldNorm(doc=1774)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Language
- e
-
Lancaster, F.W.: Information retrieval systems : characteristics, testing and evaluation (1979)
0.00
0.0044758925 = product of:
0.008951785 = sum of:
0.008951785 = product of:
0.01790357 = sum of:
0.01790357 = weight(_text_:e in 7270) [ClassicSimilarity], result of:
0.01790357 = score(doc=7270,freq=2.0), product of:
0.07046056 = queryWeight, product of:
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.049020473 = queryNorm
0.2540935 = fieldWeight in 7270, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.125 = fieldNorm(doc=7270)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Language
- e
-
Lancaster, F.W.; Gillespie, C.J.: Design and evaluation of information systems (1970)
0.00
0.0044758925 = product of:
0.008951785 = sum of:
0.008951785 = product of:
0.01790357 = sum of:
0.01790357 = weight(_text_:e in 243) [ClassicSimilarity], result of:
0.01790357 = score(doc=243,freq=2.0), product of:
0.07046056 = queryWeight, product of:
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.049020473 = queryNorm
0.2540935 = fieldWeight in 243, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.125 = fieldNorm(doc=243)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Language
- e