-
Chen, H.: Generating, integrating and activating thesauri for concept-based document retrieval (1993)
0.01
0.006333344 = product of:
0.057000097 = sum of:
0.057000097 = weight(_text_:retrieval in 7623) [ClassicSimilarity], result of:
0.057000097 = score(doc=7623,freq=2.0), product of:
0.106595136 = queryWeight, product of:
3.024915 = idf(docFreq=5836, maxDocs=44218)
0.035239052 = queryNorm
0.5347345 = fieldWeight in 7623, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.024915 = idf(docFreq=5836, maxDocs=44218)
0.125 = fieldNorm(doc=7623)
0.11111111 = coord(1/9)
-
Chen, H.; Martinez, J.; Kirchhoff, A.; Ng, T.D.; Schatz, B.R.: Alleviating search uncertainty through concept associations : automatic indexing, co-occurence analysis, and parallel computing (1998)
0.00
0.002375004 = product of:
0.021375036 = sum of:
0.021375036 = weight(_text_:retrieval in 5202) [ClassicSimilarity], result of:
0.021375036 = score(doc=5202,freq=2.0), product of:
0.106595136 = queryWeight, product of:
3.024915 = idf(docFreq=5836, maxDocs=44218)
0.035239052 = queryNorm
0.20052543 = fieldWeight in 5202, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.024915 = idf(docFreq=5836, maxDocs=44218)
0.046875 = fieldNorm(doc=5202)
0.11111111 = coord(1/9)
- Theme
- Semantisches Umfeld in Indexierung u. Retrieval
-
Chen, H.; Yim, T.; Fye, D.: Automatic thesaurus generation for an electronic community system (1995)
0.00
0.00197917 = product of:
0.01781253 = sum of:
0.01781253 = weight(_text_:retrieval in 2918) [ClassicSimilarity], result of:
0.01781253 = score(doc=2918,freq=2.0), product of:
0.106595136 = queryWeight, product of:
3.024915 = idf(docFreq=5836, maxDocs=44218)
0.035239052 = queryNorm
0.16710453 = fieldWeight in 2918, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.024915 = idf(docFreq=5836, maxDocs=44218)
0.0390625 = fieldNorm(doc=2918)
0.11111111 = coord(1/9)
- Theme
- Verbale Doksprachen im Online-Retrieval
