Pfeifer, U.; Poersch, T.; Fuhr, N.: Retrieval effectiveness of proper name search methods (1996)
0.02
0.017056406 = product of:
0.03411281 = sum of:
0.03411281 = product of:
0.06822562 = sum of:
0.06822562 = weight(_text_:n in 6982) [ClassicSimilarity], result of:
0.06822562 = score(doc=6982,freq=2.0), product of:
0.1790228 = queryWeight, product of:
4.3116565 = idf(docFreq=1611, maxDocs=44218)
0.041520655 = queryNorm
0.38110018 = fieldWeight in 6982, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
4.3116565 = idf(docFreq=1611, maxDocs=44218)
0.0625 = fieldNorm(doc=6982)
0.5 = coord(1/2)
0.5 = coord(1/2)