-
Voorhees, E.M.: Implementing agglomerative hierarchic clustering algorithms for use in document retrieval (1986)
0.01
0.012333291 = product of:
0.049333163 = sum of:
0.049333163 = product of:
0.098666325 = sum of:
0.098666325 = weight(_text_:22 in 402) [ClassicSimilarity], result of:
0.098666325 = score(doc=402,freq=2.0), product of:
0.15938555 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.045514934 = queryNorm
0.61904186 = fieldWeight in 402, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.125 = fieldNorm(doc=402)
0.5 = coord(1/2)
0.25 = coord(1/4)
- Source
- Information processing and management. 22(1986) no.6, S.465-476
-
Fuhr, N.; Niewelt, B.: ¬Ein Retrievaltest mit automatisch indexierten Dokumenten (1984)
0.01
0.01079163 = product of:
0.04316652 = sum of:
0.04316652 = product of:
0.08633304 = sum of:
0.08633304 = weight(_text_:22 in 262) [ClassicSimilarity], result of:
0.08633304 = score(doc=262,freq=2.0), product of:
0.15938555 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.045514934 = queryNorm
0.5416616 = fieldWeight in 262, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.109375 = fieldNorm(doc=262)
0.5 = coord(1/2)
0.25 = coord(1/4)
- Date
- 20.10.2000 12:22:23
-
Salton, G.; McGill, M. J.: Information Retrieval: Grundlegendes für Informationswissenschaftler (1987)
0.01
0.0098929675 = product of:
0.03957187 = sum of:
0.03957187 = product of:
0.07914374 = sum of:
0.07914374 = weight(_text_:software in 8648) [ClassicSimilarity], result of:
0.07914374 = score(doc=8648,freq=2.0), product of:
0.18056466 = queryWeight, product of:
3.9671519 = idf(docFreq=2274, maxDocs=44218)
0.045514934 = queryNorm
0.43831247 = fieldWeight in 8648, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.9671519 = idf(docFreq=2274, maxDocs=44218)
0.078125 = fieldNorm(doc=8648)
0.5 = coord(1/2)
0.25 = coord(1/4)
- Content
- Enthält die Kapitel: Information Retrieval: eine Einführung; Invertierte Dateisysteme; Textanalyse und automatisches Indexieren; Die experimentellen Retrievalsysteme SMART und SIRE; Die Bewertung von Retrievalsystemen; Fortgeschrittene Retrievaltechniken; Verarbeitung natürlicher Sprache; Informationstechnologie: Hardware und Software; Datenbankmanagementsysteme; Zukünftige Entwicklungen im Information Retrieval
-
Fuhr, N.: Ranking-Experimente mit gewichteter Indexierung (1986)
0.01
0.0092499675 = product of:
0.03699987 = sum of:
0.03699987 = product of:
0.07399974 = sum of:
0.07399974 = weight(_text_:22 in 58) [ClassicSimilarity], result of:
0.07399974 = score(doc=58,freq=2.0), product of:
0.15938555 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.045514934 = queryNorm
0.46428138 = fieldWeight in 58, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.09375 = fieldNorm(doc=58)
0.5 = coord(1/2)
0.25 = coord(1/4)
- Date
- 14. 6.2015 22:12:44
-
Fuhr, N.: Rankingexperimente mit gewichteter Indexierung (1986)
0.01
0.0092499675 = product of:
0.03699987 = sum of:
0.03699987 = product of:
0.07399974 = sum of:
0.07399974 = weight(_text_:22 in 2051) [ClassicSimilarity], result of:
0.07399974 = score(doc=2051,freq=2.0), product of:
0.15938555 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.045514934 = queryNorm
0.46428138 = fieldWeight in 2051, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.09375 = fieldNorm(doc=2051)
0.5 = coord(1/2)
0.25 = coord(1/4)
- Date
- 14. 6.2015 22:12:56
-
Biebricher, N.; Fuhr, N.; Lustig, G.; Schwantner, M.; Knorz, G.: ¬The automatic indexing system AIR/PHYS : from research to application (1988)
0.01
0.007708307 = product of:
0.030833228 = sum of:
0.030833228 = product of:
0.061666455 = sum of:
0.061666455 = weight(_text_:22 in 1952) [ClassicSimilarity], result of:
0.061666455 = score(doc=1952,freq=2.0), product of:
0.15938555 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.045514934 = queryNorm
0.38690117 = fieldWeight in 1952, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.078125 = fieldNorm(doc=1952)
0.5 = coord(1/2)
0.25 = coord(1/4)
- Date
- 16. 8.1998 12:51:22
-
Hodges, P.R.: Keyword in title indexes : effectiveness of retrieval in computer searches (1983)
0.01
0.005395815 = product of:
0.02158326 = sum of:
0.02158326 = product of:
0.04316652 = sum of:
0.04316652 = weight(_text_:22 in 5001) [ClassicSimilarity], result of:
0.04316652 = score(doc=5001,freq=2.0), product of:
0.15938555 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.045514934 = queryNorm
0.2708308 = fieldWeight in 5001, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.0546875 = fieldNorm(doc=5001)
0.5 = coord(1/2)
0.25 = coord(1/4)
- Date
- 14. 3.1996 13:22:21