-
Su, L.T.: ¬A comprehensive and systematic model of user evaluation of Web search engines : I. Theory and background (2003)
1.06
1.057106 = sum of:
1.057106 = product of:
1.1892443 = sum of:
0.06303107 = weight(abstract_txt:search in 5164) [ClassicSimilarity], result of:
0.06303107 = score(doc=5164,freq=2.0), product of:
0.19494393 = queryWeight, product of:
1.1474704 = boost
3.6580524 = idf(docFreq=3098, maxDocs=44218)
0.04644279 = queryNorm
0.3233292 = fieldWeight in 5164, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.6580524 = idf(docFreq=3098, maxDocs=44218)
0.0625 = fieldNorm(doc=5164)
0.064358 = weight(abstract_txt:user in 5164) [ClassicSimilarity], result of:
0.064358 = score(doc=5164,freq=2.0), product of:
0.1976704 = queryWeight, product of:
1.1554667 = boost
3.6835442 = idf(docFreq=3020, maxDocs=44218)
0.04644279 = queryNorm
0.32558239 = fieldWeight in 5164, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.6835442 = idf(docFreq=3020, maxDocs=44218)
0.0625 = fieldNorm(doc=5164)
0.14127128 = weight(abstract_txt:model in 5164) [ClassicSimilarity], result of:
0.14127128 = score(doc=5164,freq=6.0), product of:
0.2314917 = queryWeight, product of:
1.2504154 = boost
3.986234 = idf(docFreq=2231, maxDocs=44218)
0.04644279 = queryNorm
0.61026496 = fieldWeight in 5164, product of:
2.4494898 = tf(freq=6.0), with freq of:
6.0 = termFreq=6.0
3.986234 = idf(docFreq=2231, maxDocs=44218)
0.0625 = fieldNorm(doc=5164)
0.14237976 = weight(abstract_txt:evaluation in 5164) [ClassicSimilarity], result of:
0.14237976 = score(doc=5164,freq=3.0), product of:
0.29318497 = queryWeight, product of:
1.4072052 = boost
4.4860687 = idf(docFreq=1353, maxDocs=44218)
0.04644279 = queryNorm
0.48563117 = fieldWeight in 5164, product of:
1.7320508 = tf(freq=3.0), with freq of:
3.0 = termFreq=3.0
4.4860687 = idf(docFreq=1353, maxDocs=44218)
0.0625 = fieldNorm(doc=5164)
0.17545481 = weight(abstract_txt:developing in 5164) [ClassicSimilarity], result of:
0.17545481 = score(doc=5164,freq=2.0), product of:
0.38575962 = queryWeight, product of:
1.6141541 = boost
5.145807 = idf(docFreq=699, maxDocs=44218)
0.04644279 = queryNorm
0.45482937 = fieldWeight in 5164, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
5.145807 = idf(docFreq=699, maxDocs=44218)
0.0625 = fieldNorm(doc=5164)
0.19188103 = weight(abstract_txt:engines in 5164) [ClassicSimilarity], result of:
0.19188103 = score(doc=5164,freq=2.0), product of:
0.40947554 = queryWeight, product of:
1.6630319 = boost
5.3016257 = idf(docFreq=598, maxDocs=44218)
0.04644279 = queryNorm
0.46860194 = fieldWeight in 5164, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
5.3016257 = idf(docFreq=598, maxDocs=44218)
0.0625 = fieldNorm(doc=5164)
0.15186207 = weight(abstract_txt:comprehensive in 5164) [ClassicSimilarity], result of:
0.15186207 = score(doc=5164,freq=1.0), product of:
0.44141743 = queryWeight, product of:
1.726678 = boost
5.5045247 = idf(docFreq=488, maxDocs=44218)
0.04644279 = queryNorm
0.3440328 = fieldWeight in 5164, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
5.5045247 = idf(docFreq=488, maxDocs=44218)
0.0625 = fieldNorm(doc=5164)
0.2590062 = weight(abstract_txt:systematic in 5164) [ClassicSimilarity], result of:
0.2590062 = score(doc=5164,freq=2.0), product of:
0.5001267 = queryWeight, product of:
1.8379202 = boost
5.8591566 = idf(docFreq=342, maxDocs=44218)
0.04644279 = queryNorm
0.51788116 = fieldWeight in 5164, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
5.8591566 = idf(docFreq=342, maxDocs=44218)
0.0625 = fieldNorm(doc=5164)
0.8888889 = coord(8/9)
-
Su, L.T.: ¬A comprehensive and systematic model of user evaluation of Web search engines : Il. An evaluation by undergraduates (2003)
0.55
0.54502434 = sum of:
0.54502434 = product of:
0.8175365 = sum of:
0.04470787 = weight(abstract_txt:based in 2117) [ClassicSimilarity], result of:
0.04470787 = score(doc=2117,freq=3.0), product of:
0.14805627 = queryWeight, product of:
3.1879277 = idf(docFreq=4958, maxDocs=44218)
0.04644279 = queryNorm
0.3019654 = fieldWeight in 2117, product of:
1.7320508 = tf(freq=3.0), with freq of:
3.0 = termFreq=3.0
3.1879277 = idf(docFreq=4958, maxDocs=44218)
0.0546875 = fieldNorm(doc=2117)
0.11699545 = weight(abstract_txt:search in 2117) [ClassicSimilarity], result of:
0.11699545 = score(doc=2117,freq=9.0), product of:
0.19494393 = queryWeight, product of:
1.1474704 = boost
3.6580524 = idf(docFreq=3098, maxDocs=44218)
0.04644279 = queryNorm
0.6001492 = fieldWeight in 2117, product of:
3.0 = tf(freq=9.0), with freq of:
9.0 = termFreq=9.0
3.6580524 = idf(docFreq=3098, maxDocs=44218)
0.0546875 = fieldNorm(doc=2117)
0.10535244 = weight(abstract_txt:user in 2117) [ClassicSimilarity], result of:
0.10535244 = score(doc=2117,freq=7.0), product of:
0.1976704 = queryWeight, product of:
1.1554667 = boost
3.6835442 = idf(docFreq=3020, maxDocs=44218)
0.04644279 = queryNorm
0.53297025 = fieldWeight in 2117, product of:
2.6457512 = tf(freq=7.0), with freq of:
7.0 = termFreq=7.0
3.6835442 = idf(docFreq=3020, maxDocs=44218)
0.0546875 = fieldNorm(doc=2117)
0.050464533 = weight(abstract_txt:model in 2117) [ClassicSimilarity], result of:
0.050464533 = score(doc=2117,freq=1.0), product of:
0.2314917 = queryWeight, product of:
1.2504154 = boost
3.986234 = idf(docFreq=2231, maxDocs=44218)
0.04644279 = queryNorm
0.21799716 = fieldWeight in 2117, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
3.986234 = idf(docFreq=2231, maxDocs=44218)
0.0546875 = fieldNorm(doc=2117)
0.14385524 = weight(abstract_txt:evaluation in 2117) [ClassicSimilarity], result of:
0.14385524 = score(doc=2117,freq=4.0), product of:
0.29318497 = queryWeight, product of:
1.4072052 = boost
4.4860687 = idf(docFreq=1353, maxDocs=44218)
0.04644279 = queryNorm
0.49066377 = fieldWeight in 2117, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
4.4860687 = idf(docFreq=1353, maxDocs=44218)
0.0546875 = fieldNorm(doc=2117)
0.35616097 = weight(abstract_txt:engines in 2117) [ClassicSimilarity], result of:
0.35616097 = score(doc=2117,freq=9.0), product of:
0.40947554 = queryWeight, product of:
1.6630319 = boost
5.3016257 = idf(docFreq=598, maxDocs=44218)
0.04644279 = queryNorm
0.86979795 = fieldWeight in 2117, product of:
3.0 = tf(freq=9.0), with freq of:
9.0 = termFreq=9.0
5.3016257 = idf(docFreq=598, maxDocs=44218)
0.0546875 = fieldNorm(doc=2117)
0.6666667 = coord(6/9)
-
Can, F.; Nuray, R.; Sevdik, A.B.: Automatic performance evaluation of Web search engines (2004)
0.43
0.4278075 = sum of:
0.4278075 = product of:
0.7700535 = sum of:
0.052148316 = weight(abstract_txt:based in 2570) [ClassicSimilarity], result of:
0.052148316 = score(doc=2570,freq=2.0), product of:
0.14805627 = queryWeight, product of:
3.1879277 = idf(docFreq=4958, maxDocs=44218)
0.04644279 = queryNorm
0.35221958 = fieldWeight in 2570, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.1879277 = idf(docFreq=4958, maxDocs=44218)
0.078125 = fieldNorm(doc=2570)
0.13646626 = weight(abstract_txt:search in 2570) [ClassicSimilarity], result of:
0.13646626 = score(doc=2570,freq=6.0), product of:
0.19494393 = queryWeight, product of:
1.1474704 = boost
3.6580524 = idf(docFreq=3098, maxDocs=44218)
0.04644279 = queryNorm
0.7000283 = fieldWeight in 2570, product of:
2.4494898 = tf(freq=6.0), with freq of:
6.0 = termFreq=6.0
3.6580524 = idf(docFreq=3098, maxDocs=44218)
0.078125 = fieldNorm(doc=2570)
0.056884974 = weight(abstract_txt:user in 2570) [ClassicSimilarity], result of:
0.056884974 = score(doc=2570,freq=1.0), product of:
0.1976704 = queryWeight, product of:
1.1554667 = boost
3.6835442 = idf(docFreq=3020, maxDocs=44218)
0.04644279 = queryNorm
0.2877769 = fieldWeight in 2570, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
3.6835442 = idf(docFreq=3020, maxDocs=44218)
0.078125 = fieldNorm(doc=2570)
0.14531574 = weight(abstract_txt:evaluation in 2570) [ClassicSimilarity], result of:
0.14531574 = score(doc=2570,freq=2.0), product of:
0.29318497 = queryWeight, product of:
1.4072052 = boost
4.4860687 = idf(docFreq=1353, maxDocs=44218)
0.04644279 = queryNorm
0.49564525 = fieldWeight in 2570, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
4.4860687 = idf(docFreq=1353, maxDocs=44218)
0.078125 = fieldNorm(doc=2570)
0.3792382 = weight(abstract_txt:engines in 2570) [ClassicSimilarity], result of:
0.3792382 = score(doc=2570,freq=5.0), product of:
0.40947554 = queryWeight, product of:
1.6630319 = boost
5.3016257 = idf(docFreq=598, maxDocs=44218)
0.04644279 = queryNorm
0.9261559 = fieldWeight in 2570, product of:
2.236068 = tf(freq=5.0), with freq of:
5.0 = termFreq=5.0
5.3016257 = idf(docFreq=598, maxDocs=44218)
0.078125 = fieldNorm(doc=2570)
0.5555556 = coord(5/9)
-
Shyu, H.-Y.: Using an instructional design model for developing a multimedia CAI courseware (1995)
0.42
0.4205419 = sum of:
0.4205419 = product of:
0.94621927 = sum of:
0.17481428 = weight(abstract_txt:model in 4789) [ClassicSimilarity], result of:
0.17481428 = score(doc=4789,freq=3.0), product of:
0.2314917 = queryWeight, product of:
1.2504154 = boost
3.986234 = idf(docFreq=2231, maxDocs=44218)
0.04644279 = queryNorm
0.7551644 = fieldWeight in 4789, product of:
1.7320508 = tf(freq=3.0), with freq of:
3.0 = termFreq=3.0
3.986234 = idf(docFreq=2231, maxDocs=44218)
0.109375 = fieldNorm(doc=4789)
0.14385524 = weight(abstract_txt:evaluation in 4789) [ClassicSimilarity], result of:
0.14385524 = score(doc=4789,freq=1.0), product of:
0.29318497 = queryWeight, product of:
1.4072052 = boost
4.4860687 = idf(docFreq=1353, maxDocs=44218)
0.04644279 = queryNorm
0.49066377 = fieldWeight in 4789, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
4.4860687 = idf(docFreq=1353, maxDocs=44218)
0.109375 = fieldNorm(doc=4789)
0.3070459 = weight(abstract_txt:developing in 4789) [ClassicSimilarity], result of:
0.3070459 = score(doc=4789,freq=2.0), product of:
0.38575962 = queryWeight, product of:
1.6141541 = boost
5.145807 = idf(docFreq=699, maxDocs=44218)
0.04644279 = queryNorm
0.79595137 = fieldWeight in 4789, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
5.145807 = idf(docFreq=699, maxDocs=44218)
0.109375 = fieldNorm(doc=4789)
0.32050383 = weight(abstract_txt:systematic in 4789) [ClassicSimilarity], result of:
0.32050383 = score(doc=4789,freq=1.0), product of:
0.5001267 = queryWeight, product of:
1.8379202 = boost
5.8591566 = idf(docFreq=342, maxDocs=44218)
0.04644279 = queryNorm
0.64084524 = fieldWeight in 4789, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
5.8591566 = idf(docFreq=342, maxDocs=44218)
0.109375 = fieldNorm(doc=4789)
0.44444445 = coord(4/9)
-
Feldman, S.: Web search services in 1998 : trends and challenges (1998)
0.41
0.41340378 = sum of:
0.41340378 = product of:
0.9301585 = sum of:
0.16375953 = weight(abstract_txt:search in 5215) [ClassicSimilarity], result of:
0.16375953 = score(doc=5215,freq=6.0), product of:
0.19494393 = queryWeight, product of:
1.1474704 = boost
3.6580524 = idf(docFreq=3098, maxDocs=44218)
0.04644279 = queryNorm
0.840034 = fieldWeight in 5215, product of:
2.4494898 = tf(freq=6.0), with freq of:
6.0 = termFreq=6.0
3.6580524 = idf(docFreq=3098, maxDocs=44218)
0.09375 = fieldNorm(doc=5215)
0.18609792 = weight(abstract_txt:developing in 5215) [ClassicSimilarity], result of:
0.18609792 = score(doc=5215,freq=1.0), product of:
0.38575962 = queryWeight, product of:
1.6141541 = boost
5.145807 = idf(docFreq=699, maxDocs=44218)
0.04644279 = queryNorm
0.48241937 = fieldWeight in 5215, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
5.145807 = idf(docFreq=699, maxDocs=44218)
0.09375 = fieldNorm(doc=5215)
0.35250795 = weight(abstract_txt:engines in 5215) [ClassicSimilarity], result of:
0.35250795 = score(doc=5215,freq=3.0), product of:
0.40947554 = queryWeight, product of:
1.6630319 = boost
5.3016257 = idf(docFreq=598, maxDocs=44218)
0.04644279 = queryNorm
0.8608767 = fieldWeight in 5215, product of:
1.7320508 = tf(freq=3.0), with freq of:
3.0 = termFreq=3.0
5.3016257 = idf(docFreq=598, maxDocs=44218)
0.09375 = fieldNorm(doc=5215)
0.22779311 = weight(abstract_txt:comprehensive in 5215) [ClassicSimilarity], result of:
0.22779311 = score(doc=5215,freq=1.0), product of:
0.44141743 = queryWeight, product of:
1.726678 = boost
5.5045247 = idf(docFreq=488, maxDocs=44218)
0.04644279 = queryNorm
0.5160492 = fieldWeight in 5215, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
5.5045247 = idf(docFreq=488, maxDocs=44218)
0.09375 = fieldNorm(doc=5215)
0.44444445 = coord(4/9)