-
Ahlgren, P.; Grönqvist, L.: Evaluation of retrieval effectiveness with incomplete relevance data : theoretical and experimental comparison of three measures (2008)
0.00
0.003789405 = product of:
0.018947026 = sum of:
0.018947026 = product of:
0.03789405 = sum of:
0.03789405 = weight(_text_:management in 2032) [ClassicSimilarity], result of:
0.03789405 = score(doc=2032,freq=2.0), product of:
0.14536478 = queryWeight, product of:
3.3706124 = idf(docFreq=4130, maxDocs=44218)
0.043127112 = queryNorm
0.2606825 = fieldWeight in 2032, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.3706124 = idf(docFreq=4130, maxDocs=44218)
0.0546875 = fieldNorm(doc=2032)
0.5 = coord(1/2)
0.2 = coord(1/5)
- Source
- Information processing and management. 44(2008) no.1, S.212-225
-
Ahlgren, P.; Kekäläinen, J.: Indexing strategies for Swedish full text retrieval under different user scenarios (2007)
0.00
0.0027067182 = product of:
0.01353359 = sum of:
0.01353359 = product of:
0.02706718 = sum of:
0.02706718 = weight(_text_:management in 896) [ClassicSimilarity], result of:
0.02706718 = score(doc=896,freq=2.0), product of:
0.14536478 = queryWeight, product of:
3.3706124 = idf(docFreq=4130, maxDocs=44218)
0.043127112 = queryNorm
0.18620178 = fieldWeight in 896, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.3706124 = idf(docFreq=4130, maxDocs=44218)
0.0390625 = fieldNorm(doc=896)
0.5 = coord(1/2)
0.2 = coord(1/5)
- Source
- Information processing and management. 43(2007) no.1, S.81-102
-
Ahlgren, P.; Jarneving, B.; Rousseau, R.: Requirements for a cocitation similarity measure, with special reference to Pearson's correlation coefficient (2003)
0.00
0.0023372516 = product of:
0.011686257 = sum of:
0.011686257 = product of:
0.023372514 = sum of:
0.023372514 = weight(_text_:22 in 5171) [ClassicSimilarity], result of:
0.023372514 = score(doc=5171,freq=2.0), product of:
0.1510238 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.043127112 = queryNorm
0.15476047 = fieldWeight in 5171, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.03125 = fieldNorm(doc=5171)
0.5 = coord(1/2)
0.2 = coord(1/5)
- Date
- 9. 7.2006 10:22:35