Pfeifer, U.; Poersch, T.; Fuhr, N.: Retrieval effectiveness of proper name search methods (1996)
0.01
0.013922288 = product of:
0.027844576 = sum of:
0.027844576 = product of:
0.055689152 = sum of:
0.055689152 = weight(_text_:t in 6982) [ClassicSimilarity], result of:
0.055689152 = score(doc=6982,freq=2.0), product of:
0.15993538 = queryWeight, product of:
3.9394085 = idf(docFreq=2338, maxDocs=44218)
0.040598832 = queryNorm
0.34819782 = fieldWeight in 6982, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.9394085 = idf(docFreq=2338, maxDocs=44218)
0.0625 = fieldNorm(doc=6982)
0.5 = coord(1/2)
0.5 = coord(1/2)