Fahrenkrog, G.; Marahrens, O.; Bittner, E.: Des Surfers Leid, des Surfers Freud : Web usability und wie man sie testet (2002)
0.01
0.01342573 = product of:
0.08055438 = sum of:
0.08055438 = weight(_text_:o in 264) [ClassicSimilarity], result of:
0.08055438 = score(doc=264,freq=2.0), product of:
0.1816457 = queryWeight, product of:
5.017288 = idf(docFreq=795, maxDocs=44218)
0.03620396 = queryNorm
0.4434698 = fieldWeight in 264, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
5.017288 = idf(docFreq=795, maxDocs=44218)
0.0625 = fieldNorm(doc=264)
0.16666667 = coord(1/6)