-
Furner-Hines, J.; Willett, P.: ¬The use of hypertext in libraries in the United Kingdom (1994)
0.00
7.9909177E-4 = product of:
0.0015981835 = sum of:
0.0015981835 = product of:
0.0047945506 = sum of:
0.0047945506 = weight(_text_:s in 1792) [ClassicSimilarity], result of:
0.0047945506 = score(doc=1792,freq=2.0), product of:
0.049891718 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.045888513 = queryNorm
0.09609913 = fieldWeight in 1792, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.0625 = fieldNorm(doc=1792)
0.33333334 = coord(1/3)
0.5 = coord(1/2)
- Source
- Vine. 1994, no.97, S.45-49
-
Ingwersen, P.; Willett, P.: ¬An introduction to algorithmic and cognitive approaches for information retrieval (1995)
0.00
7.9909177E-4 = product of:
0.0015981835 = sum of:
0.0015981835 = product of:
0.0047945506 = sum of:
0.0047945506 = weight(_text_:s in 4344) [ClassicSimilarity], result of:
0.0047945506 = score(doc=4344,freq=2.0), product of:
0.049891718 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.045888513 = queryNorm
0.09609913 = fieldWeight in 4344, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.0625 = fieldNorm(doc=4344)
0.33333334 = coord(1/3)
0.5 = coord(1/2)
- Source
- Libri. 45(1995) nos.3/4, S.160-177
-
Robertson, M.; Willett, P.: ¬An upperbound to the performance of ranked output searching : optimal weighting of query terms using a genetic algorithms (1996)
0.00
7.9909177E-4 = product of:
0.0015981835 = sum of:
0.0015981835 = product of:
0.0047945506 = sum of:
0.0047945506 = weight(_text_:s in 6977) [ClassicSimilarity], result of:
0.0047945506 = score(doc=6977,freq=2.0), product of:
0.049891718 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.045888513 = queryNorm
0.09609913 = fieldWeight in 6977, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.0625 = fieldNorm(doc=6977)
0.33333334 = coord(1/3)
0.5 = coord(1/2)
- Source
- Journal of documentation. 52(1996) no.4, S.405-420
-
Clarke, S.J.; Willett, P.: Estimating the recall performance of Web search engines (1997)
0.00
7.9909177E-4 = product of:
0.0015981835 = sum of:
0.0015981835 = product of:
0.0047945506 = sum of:
0.0047945506 = weight(_text_:s in 760) [ClassicSimilarity], result of:
0.0047945506 = score(doc=760,freq=2.0), product of:
0.049891718 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.045888513 = queryNorm
0.09609913 = fieldWeight in 760, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.0625 = fieldNorm(doc=760)
0.33333334 = coord(1/3)
0.5 = coord(1/2)
- Source
- Aslib proceedings. 49(1997) no.7, S.184-189
-
Ekmekcioglu, F.C.; Robertson, A.M.; Willett, P.: Effectiveness of query expansion in ranked-output document retrieval systems (1992)
0.00
7.9909177E-4 = product of:
0.0015981835 = sum of:
0.0015981835 = product of:
0.0047945506 = sum of:
0.0047945506 = weight(_text_:s in 5689) [ClassicSimilarity], result of:
0.0047945506 = score(doc=5689,freq=2.0), product of:
0.049891718 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.045888513 = queryNorm
0.09609913 = fieldWeight in 5689, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.0625 = fieldNorm(doc=5689)
0.33333334 = coord(1/3)
0.5 = coord(1/2)
- Source
- Journal of information science. 18(1992) no.2, S.139-147
-
Robertson, A.M.; Willett, P.: Applications of n-grams in textual information systems (1998)
0.00
7.9909177E-4 = product of:
0.0015981835 = sum of:
0.0015981835 = product of:
0.0047945506 = sum of:
0.0047945506 = weight(_text_:s in 4715) [ClassicSimilarity], result of:
0.0047945506 = score(doc=4715,freq=2.0), product of:
0.049891718 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.045888513 = queryNorm
0.09609913 = fieldWeight in 4715, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.0625 = fieldNorm(doc=4715)
0.33333334 = coord(1/3)
0.5 = coord(1/2)
- Source
- Journal of documentation. 54(1998) no.1, S.48-69
-
Willett, P.: From chemical documentation to chemoinformatics : 50 years of chemical information science (2009)
0.00
7.9909177E-4 = product of:
0.0015981835 = sum of:
0.0015981835 = product of:
0.0047945506 = sum of:
0.0047945506 = weight(_text_:s in 3656) [ClassicSimilarity], result of:
0.0047945506 = score(doc=3656,freq=2.0), product of:
0.049891718 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.045888513 = queryNorm
0.09609913 = fieldWeight in 3656, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.0625 = fieldNorm(doc=3656)
0.33333334 = coord(1/3)
0.5 = coord(1/2)
- Pages
- S.129-168
-
Robertson, A.M.; Willett, P.: Retrieval techniques for historical English text : searching the sixteenth and seventeenth century titles in the Catalogue of Caterbury Cathedral Library using spelling-correction methods (1992)
0.00
6.992053E-4 = product of:
0.0013984106 = sum of:
0.0013984106 = product of:
0.004195232 = sum of:
0.004195232 = weight(_text_:s in 4209) [ClassicSimilarity], result of:
0.004195232 = score(doc=4209,freq=2.0), product of:
0.049891718 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.045888513 = queryNorm
0.08408674 = fieldWeight in 4209, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.0546875 = fieldNorm(doc=4209)
0.33333334 = coord(1/3)
0.5 = coord(1/2)
- Pages
- S.389-398
-
Robertson, A.M.; Willett, P.: Generation of equifrequent groups of words using a genetic algorithm (1994)
0.00
6.992053E-4 = product of:
0.0013984106 = sum of:
0.0013984106 = product of:
0.004195232 = sum of:
0.004195232 = weight(_text_:s in 8158) [ClassicSimilarity], result of:
0.004195232 = score(doc=8158,freq=2.0), product of:
0.049891718 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.045888513 = queryNorm
0.08408674 = fieldWeight in 8158, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.0546875 = fieldNorm(doc=8158)
0.33333334 = coord(1/3)
0.5 = coord(1/2)
- Source
- Journal of documentation. 50(1994) no.3, S.213-232
-
Furner, J.; Willett, P.: ¬A survey of hypertext-based public-access point-of-information systems in UK libraries (1995)
0.00
5.993188E-4 = product of:
0.0011986376 = sum of:
0.0011986376 = product of:
0.0035959128 = sum of:
0.0035959128 = weight(_text_:s in 2044) [ClassicSimilarity], result of:
0.0035959128 = score(doc=2044,freq=2.0), product of:
0.049891718 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.045888513 = queryNorm
0.072074346 = fieldWeight in 2044, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.046875 = fieldNorm(doc=2044)
0.33333334 = coord(1/3)
0.5 = coord(1/2)
- Source
- Journal of information science. 21(1995) no.4, S.243-255
-
Li, J.; Willett, P.: ArticleRank : a PageRank-based alternative to numbers of citations for analysing citation networks (2009)
0.00
4.994324E-4 = product of:
9.988648E-4 = sum of:
9.988648E-4 = product of:
0.0029965942 = sum of:
0.0029965942 = weight(_text_:s in 751) [ClassicSimilarity], result of:
0.0029965942 = score(doc=751,freq=2.0), product of:
0.049891718 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.045888513 = queryNorm
0.060061958 = fieldWeight in 751, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.0390625 = fieldNorm(doc=751)
0.33333334 = coord(1/3)
0.5 = coord(1/2)
- Source
- Aslib proceedings. 61(2009) no.6, S.605-618
-
Li, X.; Cox, A.; Ford, N.; Creaser, C.; Fry, J.; Willett, P.: Knowledge construction by users : a content analysis framework and a knowledge construction process model for virtual product user communities (2017)
0.00
4.994324E-4 = product of:
9.988648E-4 = sum of:
9.988648E-4 = product of:
0.0029965942 = sum of:
0.0029965942 = weight(_text_:s in 3574) [ClassicSimilarity], result of:
0.0029965942 = score(doc=3574,freq=2.0), product of:
0.049891718 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.045888513 = queryNorm
0.060061958 = fieldWeight in 3574, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.0390625 = fieldNorm(doc=3574)
0.33333334 = coord(1/3)
0.5 = coord(1/2)
- Source
- Journal of documentation. 73(2017) no.2, S.284-304
