-
Koopman, R.: ¬Ein OPAC mit Gewichtungsalgorithmen : Der PICA Micro OPC (1996)
0.01
0.0059858314 = product of:
0.041900817 = sum of:
0.041900817 = weight(_text_:u in 4114) [ClassicSimilarity], result of:
0.041900817 = score(doc=4114,freq=2.0), product of:
0.11581901 = queryWeight, product of:
3.2744443 = idf(docFreq=4547, maxDocs=44218)
0.035370585 = queryNorm
0.3617784 = fieldWeight in 4114, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.2744443 = idf(docFreq=4547, maxDocs=44218)
0.078125 = fieldNorm(doc=4114)
0.14285715 = coord(1/7)
- Source
- Zukunft der Sacherschließung im OPAC: Vorträge des 2. Düsseldorfer OPAC-Kolloquiums am 21. Juni 1995. Hrsg.: E. Niggemann u. K. Lepsky
-
Hancock-Beaulieu, M.; Walker, S.: ¬An evaluation of automatic query expansion in an online library catalogue (1992)
0.00
0.0041900817 = product of:
0.02933057 = sum of:
0.02933057 = weight(_text_:u in 2731) [ClassicSimilarity], result of:
0.02933057 = score(doc=2731,freq=2.0), product of:
0.11581901 = queryWeight, product of:
3.2744443 = idf(docFreq=4547, maxDocs=44218)
0.035370585 = queryNorm
0.25324488 = fieldWeight in 2731, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.2744443 = idf(docFreq=4547, maxDocs=44218)
0.0546875 = fieldNorm(doc=2731)
0.14285715 = coord(1/7)
- Theme
- Semantisches Umfeld in Indexierung u. Retrieval
-
Beaulieu, M.; Jones, S.: Interactive searching and interface issues in the Okapi best match probabilistic retrieval system (1998)
0.00
0.0041900817 = product of:
0.02933057 = sum of:
0.02933057 = weight(_text_:u in 430) [ClassicSimilarity], result of:
0.02933057 = score(doc=430,freq=2.0), product of:
0.11581901 = queryWeight, product of:
3.2744443 = idf(docFreq=4547, maxDocs=44218)
0.035370585 = queryNorm
0.25324488 = fieldWeight in 430, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.2744443 = idf(docFreq=4547, maxDocs=44218)
0.0546875 = fieldNorm(doc=430)
0.14285715 = coord(1/7)
- Theme
- Semantisches Umfeld in Indexierung u. Retrieval
