Search (2 results, page 1 of 1)
- Did you mean:
- lcsh's%3a%20knowledge%2c soziologe of%22 2
- lcshs%3a%20knowledge%2c soziologie of%22 2
- lcs's%3a%20knowledge%2c soziologe of%22 2
- lcsh's%3a%20knowledge%2c soziologie of%22 2
- lcshs%3a%20knowledge%2c soziologen of%22 2
-
Smeaton, A.F.; Rijsbergen, C.J. van: ¬The retrieval effects of query expansion on a feedback document retrieval system (1983)
0.03
0.033932798 = product of: 0.101798385 = sum of: 0.101798385 = sum of: 0.016924726 = weight(_text_:of in 2134) [ClassicSimilarity], result of: 0.016924726 = score(doc=2134,freq=2.0), product of: 0.06997118 = queryWeight, product of: 1.5637573 = idf(docFreq=25162, maxDocs=44218) 0.04474555 = queryNorm 0.24188137 = fieldWeight in 2134, product of: 1.4142135 = tf(freq=2.0), with freq of: 2.0 = termFreq=2.0 1.5637573 = idf(docFreq=25162, maxDocs=44218) 0.109375 = fieldNorm(doc=2134) 0.08487366 = weight(_text_:22 in 2134) [ClassicSimilarity], result of: 0.08487366 = score(doc=2134,freq=2.0), product of: 0.1566913 = queryWeight, product of: 3.5018296 = idf(docFreq=3622, maxDocs=44218) 0.04474555 = 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) 0.33333334 = coord(1/3)
- Date
- 30. 3.2001 13:32:22
-
Sembok, T.M.T.; Rijsbergen, C.J. van: IMAGING: a relevant feedback retrieval with nearest neighbour clusters (1994)
0.00
0.002791856 = product of: 0.008375567 = sum of: 0.008375567 = product of: 0.016751135 = sum of: 0.016751135 = weight(_text_:of in 1071) [ClassicSimilarity], result of: 0.016751135 = score(doc=1071,freq=6.0), product of: 0.06997118 = queryWeight, product of: 1.5637573 = idf(docFreq=25162, maxDocs=44218) 0.04474555 = queryNorm 0.23940048 = fieldWeight in 1071, product of: 2.4494898 = tf(freq=6.0), with freq of: 6.0 = termFreq=6.0 1.5637573 = idf(docFreq=25162, maxDocs=44218) 0.0625 = fieldNorm(doc=1071) 0.5 = coord(1/2) 0.33333334 = coord(1/3)
- Abstract
- Reports on a study to implement and evaluate imaging retrieval as a relevance feedback retrieval technique with nearest neighbour clusters. Results obtained from experiments show the viability and validity of this strategy and support it as something worth further investigation
- Source
- Information retrieval: new systems and current research. Proceedings of the 15th Research Colloquium of the British Computer Society Information Retrieval Specialist Group, Glasgow 1993. Ed.: Ruben Leon