-
Pfeifer, U.: Entwicklung linear-iterativer und logistischer Indexierungsfunktionen (1991)
0.00
0.0021056333 = product of:
0.0042112665 = sum of:
0.0042112665 = product of:
0.008422533 = sum of:
0.008422533 = weight(_text_:s in 794) [ClassicSimilarity], result of:
0.008422533 = score(doc=794,freq=2.0), product of:
0.05008241 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.046063907 = queryNorm
0.16817348 = fieldWeight in 794, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.109375 = fieldNorm(doc=794)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Pages
- S.38-50
-
Pfeifer, U.; Pennekamp, S.: Incremental processing of vague queries in interactive retrieval systems (1997)
0.00
0.0017016088 = product of:
0.0034032175 = sum of:
0.0034032175 = product of:
0.006806435 = sum of:
0.006806435 = weight(_text_:s in 735) [ClassicSimilarity], result of:
0.006806435 = score(doc=735,freq=4.0), product of:
0.05008241 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.046063907 = queryNorm
0.1359047 = fieldWeight in 735, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.0625 = fieldNorm(doc=735)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Pages
- S.223-236
-
Pfeifer, U.: Searching structured documents with the enhanced retrieval functionality of freeWAIS-sf and SFgate (1996)
0.00
0.0015040238 = product of:
0.0030080476 = sum of:
0.0030080476 = product of:
0.006016095 = sum of:
0.006016095 = weight(_text_:s in 1136) [ClassicSimilarity], result of:
0.006016095 = score(doc=1136,freq=2.0), product of:
0.05008241 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.046063907 = queryNorm
0.120123915 = fieldWeight in 1136, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.078125 = fieldNorm(doc=1136)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Pages
- S.237-246
-
Pfeifer, U.; Poersch, T.; Fuhr, N.: Retrieval effectiveness of proper name search methods (1996)
0.00
0.001203219 = product of:
0.002406438 = sum of:
0.002406438 = product of:
0.004812876 = sum of:
0.004812876 = weight(_text_:s in 6982) [ClassicSimilarity], result of:
0.004812876 = score(doc=6982,freq=2.0), product of:
0.05008241 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.046063907 = queryNorm
0.09609913 = fieldWeight in 6982, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.0625 = fieldNorm(doc=6982)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- Information processing and management. 32(1996) no.6, S.667-679
-
Pfeifer, U.; Fuhr, N.; Huynh, T.: Searching structured documents with the enhanced retrieval functionality of freeWAIS-sf and SFgate (1995)
0.00
0.0010528166 = product of:
0.0021056333 = sum of:
0.0021056333 = product of:
0.0042112665 = sum of:
0.0042112665 = weight(_text_:s in 2214) [ClassicSimilarity], result of:
0.0042112665 = score(doc=2214,freq=2.0), product of:
0.05008241 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.046063907 = queryNorm
0.08408674 = fieldWeight in 2214, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.0546875 = fieldNorm(doc=2214)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- Computer networks and ISDN systems. 27(1995) no.6, S.1027-36