Search (2 results, page 1 of 1)
-
×
author_ss:"Smeaton, A.F."
-
×
language_ss:"e"
-
×
theme_ss:"Semantisches Umfeld in Indexierung u. Retrieval"
-
×
type_ss:"a"
- Did you mean:
- author's%3a%22Rousseau%2c R.%22 2
- authors%3a%22Rousseau%2c R.%22 2
-
Smeaton, A.F.; Rijsbergen, C.J. van: ¬The retrieval effects of query expansion on a feedback document retrieval system (1983)
0.02
0.021620495 = product of: 0.04324099 = sum of: 0.04324099 = product of: 0.08648198 = sum of: 0.08648198 = weight(_text_:22 in 2134) [ClassicSimilarity], result of: 0.08648198 = score(doc=2134,freq=2.0), product of: 0.15966053 = queryWeight, product of: 3.5018296 = idf(docFreq=3622, maxDocs=44218) 0.045593463 = queryNorm 0.5416616 = fieldWeight in 2134, 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=2134) 0.5 = coord(1/2) 0.5 = coord(1/2)
- Date
- 30. 3.2001 13:32:22
-
Smeaton, A.F.; Kelledy, L.; O'Donnell, R.: TREC-4 experiments at Dublin City University : thresholding posting lists, query expansion with WordNet and POS tagging of Spanish (1996)
0.01
0.013799756 = product of: 0.027599512 = sum of: 0.027599512 = product of: 0.055199023 = sum of: 0.055199023 = weight(_text_:r in 7000) [ClassicSimilarity], result of: 0.055199023 = score(doc=7000,freq=2.0), product of: 0.15092614 = queryWeight, product of: 3.3102584 = idf(docFreq=4387, maxDocs=44218) 0.045593463 = queryNorm 0.36573532 = fieldWeight in 7000, product of: 1.4142135 = tf(freq=2.0), with freq of: 2.0 = termFreq=2.0 3.3102584 = idf(docFreq=4387, maxDocs=44218) 0.078125 = fieldNorm(doc=7000) 0.5 = coord(1/2) 0.5 = coord(1/2)