Search (2 results, page 1 of 1)
- Did you mean:
- object's%3a%22Alexandria digital library%22 2
- objects%3a%22Alexandria digital library%22 2
-
Tseng, Y.-H.: Keyword extraction techniques and relevance feedback (1997)
0.00
0.004570095 = product of: 0.013710285 = sum of: 0.013710285 = product of: 0.02742057 = sum of: 0.02742057 = weight(_text_:library in 1830) [ClassicSimilarity], result of: 0.02742057 = score(doc=1830,freq=2.0), product of: 0.13484047 = queryWeight, product of: 2.6293786 = idf(docFreq=8668, maxDocs=44218) 0.051282257 = queryNorm 0.20335563 = fieldWeight in 1830, product of: 1.4142135 = tf(freq=2.0), with freq of: 2.0 = termFreq=2.0 2.6293786 = idf(docFreq=8668, maxDocs=44218) 0.0546875 = fieldNorm(doc=1830) 0.5 = coord(1/2) 0.33333334 = coord(1/3)
- Source
- Bulletin of the Library Association of China. 1997, no.59, Dec., S.59-64
-
Tseng, Y.-H.: Solving vocabulary problems with interactive query expansion (1998)
0.00
0.0032643534 = product of: 0.00979306 = sum of: 0.00979306 = product of: 0.01958612 = sum of: 0.01958612 = weight(_text_:library in 5159) [ClassicSimilarity], result of: 0.01958612 = score(doc=5159,freq=2.0), product of: 0.13484047 = queryWeight, product of: 2.6293786 = idf(docFreq=8668, maxDocs=44218) 0.051282257 = queryNorm 0.14525402 = fieldWeight in 5159, product of: 1.4142135 = tf(freq=2.0), with freq of: 2.0 = termFreq=2.0 2.6293786 = idf(docFreq=8668, maxDocs=44218) 0.0390625 = fieldNorm(doc=5159) 0.5 = coord(1/2) 0.33333334 = coord(1/3)
- Source
- Journal of library and information science. 24(1998) no.1, S.1-18