Search (2 results, page 1 of 1)
-
×
author_ss:"Lancaster, F.W."
-
×
language_ss:"e"
-
×
theme_ss:"Retrievalstudien"
-
×
year_i:[1960 TO 1970}
- Did you mean:
- rswk_00%3a%22World wide web %2f elektronische bibliothek %2f information retrieval %2f kongress %2f trondheim %3.2003%3E%22 2
- rswk_00%3a%22World wide web %2f elektronische bibliothek %2f information retrieval %2f kongress %2f trondheim %32003%3E%22 2
- rswk_00%3a%22World wide web %2f elektronische bibliothek %2f information retrieval %2f kongresse %2f trondheim %3.2003%3E%22 2
- rswk_00%3a%22World wide web %2f elektronische bibliothek %2f information retrieval %2f kongress %2f trondheim %3.2008%3E%22 2
- rswk_00%3a%22World wide web %2f elektronische bibliothek %2f information retrieval %2f kongresu %2f trondheim %3.2003%3E%22 2
-
Lancaster, F.W.: MEDLARS : report on the evaluation of its operating effiency (1961)
0.01
0.006865305 = product of: 0.04805713 = sum of: 0.012107591 = weight(_text_:information in 1931) [ClassicSimilarity], result of: 0.012107591 = score(doc=1931,freq=2.0), product of: 0.052020688 = queryWeight, product of: 1.7554779 = idf(docFreq=20772, maxDocs=44218) 0.029633347 = queryNorm 0.23274569 = fieldWeight in 1931, product of: 1.4142135 = tf(freq=2.0), with freq of: 2.0 = termFreq=2.0 1.7554779 = idf(docFreq=20772, maxDocs=44218) 0.09375 = fieldNorm(doc=1931) 0.03594954 = weight(_text_:retrieval in 1931) [ClassicSimilarity], result of: 0.03594954 = score(doc=1931,freq=2.0), product of: 0.08963835 = queryWeight, product of: 3.024915 = idf(docFreq=5836, maxDocs=44218) 0.029633347 = queryNorm 0.40105087 = fieldWeight in 1931, product of: 1.4142135 = tf(freq=2.0), with freq of: 2.0 = termFreq=2.0 3.024915 = idf(docFreq=5836, maxDocs=44218) 0.09375 = fieldNorm(doc=1931) 0.14285715 = coord(2/14)
- Footnote
- Wiederabgedruckt in: Readings in information retrieval. Ed.: K. Sparck Jones u. P. Willett. San Francisco: Morgan Kaufmann 1997. S.223-246.
-
Lancaster, F.W.: On the need for role indicators in postcoordinate retrieval systems (1968)
0.00
0.0017118829 = product of: 0.023966359 = sum of: 0.023966359 = weight(_text_:retrieval in 8948) [ClassicSimilarity], result of: 0.023966359 = score(doc=8948,freq=2.0), product of: 0.08963835 = queryWeight, product of: 3.024915 = idf(docFreq=5836, maxDocs=44218) 0.029633347 = queryNorm 0.26736724 = fieldWeight in 8948, product of: 1.4142135 = tf(freq=2.0), with freq of: 2.0 = termFreq=2.0 3.024915 = idf(docFreq=5836, maxDocs=44218) 0.0625 = fieldNorm(doc=8948) 0.071428575 = coord(1/14)