-
Yu, L.: Geographic information systems in library reference services : development and challenge (1998)
0.06
0.056258976 = product of:
0.11251795 = sum of:
0.11251795 = sum of:
0.063346416 = weight(_text_:l in 2184) [ClassicSimilarity], result of:
0.063346416 = score(doc=2184,freq=2.0), product of:
0.18031335 = queryWeight, product of:
3.9746525 = idf(docFreq=2257, maxDocs=44218)
0.045365814 = queryNorm
0.35131297 = fieldWeight in 2184, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.9746525 = idf(docFreq=2257, maxDocs=44218)
0.0625 = fieldNorm(doc=2184)
0.049171533 = weight(_text_:22 in 2184) [ClassicSimilarity], result of:
0.049171533 = score(doc=2184,freq=2.0), product of:
0.15886335 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.045365814 = queryNorm
0.30952093 = fieldWeight in 2184, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.0625 = fieldNorm(doc=2184)
0.5 = coord(1/2)
- Date
- 17. 1.1999 13:50:22
-
Yu, L.: Knowledge discovery in spatial cartographic information retrieval (1999)
0.03
0.027714059 = product of:
0.055428118 = sum of:
0.055428118 = product of:
0.110856235 = sum of:
0.110856235 = weight(_text_:l in 4579) [ClassicSimilarity], result of:
0.110856235 = score(doc=4579,freq=2.0), product of:
0.18031335 = queryWeight, product of:
3.9746525 = idf(docFreq=2257, maxDocs=44218)
0.045365814 = queryNorm
0.6147977 = fieldWeight in 4579, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.9746525 = idf(docFreq=2257, maxDocs=44218)
0.109375 = fieldNorm(doc=4579)
0.5 = coord(1/2)
0.5 = coord(1/2)
-
Yu, L.; O'Brien, A.: Constructing references from the book to the reader in fiction searching : an experiment on the construction of information cues from the reading context approach (1997)
0.02
0.015836604 = product of:
0.031673208 = sum of:
0.031673208 = product of:
0.063346416 = sum of:
0.063346416 = weight(_text_:l in 1828) [ClassicSimilarity], result of:
0.063346416 = score(doc=1828,freq=2.0), product of:
0.18031335 = queryWeight, product of:
3.9746525 = idf(docFreq=2257, maxDocs=44218)
0.045365814 = queryNorm
0.35131297 = fieldWeight in 1828, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.9746525 = idf(docFreq=2257, maxDocs=44218)
0.0625 = fieldNorm(doc=1828)
0.5 = coord(1/2)
0.5 = coord(1/2)
-
Yu, L.; O'Brien, A.: ¬A practical typology of adult fiction borrowers based on their reading habits (1999)
0.01
0.011877453 = product of:
0.023754906 = sum of:
0.023754906 = product of:
0.04750981 = sum of:
0.04750981 = weight(_text_:l in 3879) [ClassicSimilarity], result of:
0.04750981 = score(doc=3879,freq=2.0), product of:
0.18031335 = queryWeight, product of:
3.9746525 = idf(docFreq=2257, maxDocs=44218)
0.045365814 = queryNorm
0.26348472 = fieldWeight in 3879, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.9746525 = idf(docFreq=2257, maxDocs=44218)
0.046875 = fieldNorm(doc=3879)
0.5 = coord(1/2)
0.5 = coord(1/2)