-
Walker, S.; DeVere, R.: Improving subject retrieval in online catalogues : T.2: Relevance feedback and query expansion (1990)
6.08
6.0837593 = weight(theme_ss:Semantisches Umfeld in Indexierung u. Retrieval in 1816) [ClassicSimilarity], result of:
6.0837593 = fieldWeight in 1816, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
6.0837593 = idf(docFreq=273, maxDocs=44218)
1.0 = fieldNorm(doc=1816)
- Theme
- Semantisches Umfeld in Indexierung u. Retrieval
-
Hancock-Beaulieu, M.; Walker, S.: ¬An evaluation of automatic query expansion in an online library catalogue (1992)
6.08
6.0837593 = weight(theme_ss:Semantisches Umfeld in Indexierung u. Retrieval in 2731) [ClassicSimilarity], result of:
6.0837593 = fieldWeight in 2731, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
6.0837593 = idf(docFreq=273, maxDocs=44218)
1.0 = fieldNorm(doc=2731)
- Theme
- Semantisches Umfeld in Indexierung u. Retrieval
-
Walker, S.: Subject access in online catalogues (1991)
6.08
6.0837593 = weight(theme_ss:Semantisches Umfeld in Indexierung u. Retrieval in 5690) [ClassicSimilarity], result of:
6.0837593 = fieldWeight in 5690, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
6.0837593 = idf(docFreq=273, maxDocs=44218)
1.0 = fieldNorm(doc=5690)
- Theme
- Semantisches Umfeld in Indexierung u. Retrieval