-
Marchionini, G.; Meadow, C.T.; Dwiggins, S.; Lin, X.; Jiabin, W.; Yuan, W.: ¬A study of user interaction with information retrieval interfaces : progress report (1991)
0.02
0.016895698 = product of:
0.033791397 = sum of:
0.033791397 = product of:
0.06758279 = sum of:
0.06758279 = weight(_text_:w in 4350) [ClassicSimilarity], result of:
0.06758279 = score(doc=4350,freq=4.0), product of:
0.16214414 = queryWeight, product of:
3.8108058 = idf(docFreq=2659, maxDocs=44218)
0.04254852 = queryNorm
0.41680688 = fieldWeight in 4350, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
3.8108058 = idf(docFreq=2659, maxDocs=44218)
0.0546875 = fieldNorm(doc=4350)
0.5 = coord(1/2)
0.5 = coord(1/2)
-
Yuan, W.; Meadow, C.T.: ¬A study of the use of variables in information retrieval user studies (1999)
0.01
0.011947063 = product of:
0.023894126 = sum of:
0.023894126 = product of:
0.04778825 = sum of:
0.04778825 = weight(_text_:w in 2943) [ClassicSimilarity], result of:
0.04778825 = score(doc=2943,freq=2.0), product of:
0.16214414 = queryWeight, product of:
3.8108058 = idf(docFreq=2659, maxDocs=44218)
0.04254852 = queryNorm
0.29472697 = fieldWeight in 2943, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.8108058 = idf(docFreq=2659, maxDocs=44218)
0.0546875 = fieldNorm(doc=2943)
0.5 = coord(1/2)
0.5 = coord(1/2)
-
Cherry, J.M.; Yuan, W.; Clinton, M.: Evaluating the effectiveness of a concept-based computer tutorial for OPAC users (1994)
0.01
0.01024034 = product of:
0.02048068 = sum of:
0.02048068 = product of:
0.04096136 = sum of:
0.04096136 = weight(_text_:w in 8495) [ClassicSimilarity], result of:
0.04096136 = score(doc=8495,freq=2.0), product of:
0.16214414 = queryWeight, product of:
3.8108058 = idf(docFreq=2659, maxDocs=44218)
0.04254852 = queryNorm
0.2526231 = fieldWeight in 8495, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.8108058 = idf(docFreq=2659, maxDocs=44218)
0.046875 = fieldNorm(doc=8495)
0.5 = coord(1/2)
0.5 = coord(1/2)
-
Yuan, W.: End-user searching behavior in information retrieval : a longitudinal study (1997)
0.01
0.01024034 = product of:
0.02048068 = sum of:
0.02048068 = product of:
0.04096136 = sum of:
0.04096136 = weight(_text_:w in 394) [ClassicSimilarity], result of:
0.04096136 = score(doc=394,freq=2.0), product of:
0.16214414 = queryWeight, product of:
3.8108058 = idf(docFreq=2659, maxDocs=44218)
0.04254852 = queryNorm
0.2526231 = fieldWeight in 394, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.8108058 = idf(docFreq=2659, maxDocs=44218)
0.046875 = fieldNorm(doc=394)
0.5 = coord(1/2)
0.5 = coord(1/2)