-
Blair, D.C.: Language and representation in information retrieval (1991)
0.01
0.0149482675 = product of:
0.089689605 = sum of:
0.019074813 = weight(_text_:und in 1545) [ClassicSimilarity], result of:
0.019074813 = score(doc=1545,freq=32.0), product of:
0.04868482 = queryWeight, product of:
2.216367 = idf(docFreq=13101, maxDocs=44218)
0.021966046 = queryNorm
0.39180204 = fieldWeight in 1545, product of:
5.656854 = tf(freq=32.0), with freq of:
32.0 = termFreq=32.0
2.216367 = idf(docFreq=13101, maxDocs=44218)
0.03125 = fieldNorm(doc=1545)
0.006850268 = weight(_text_:der in 1545) [ClassicSimilarity], result of:
0.006850268 = score(doc=1545,freq=4.0), product of:
0.049067024 = queryWeight, product of:
2.2337668 = idf(docFreq=12875, maxDocs=44218)
0.021966046 = queryNorm
0.13961042 = fieldWeight in 1545, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
2.2337668 = idf(docFreq=12875, maxDocs=44218)
0.03125 = fieldNorm(doc=1545)
0.04468971 = weight(_text_:allgemeines in 1545) [ClassicSimilarity], result of:
0.04468971 = score(doc=1545,freq=4.0), product of:
0.12532558 = queryWeight, product of:
5.705423 = idf(docFreq=399, maxDocs=44218)
0.021966046 = queryNorm
0.35658893 = fieldWeight in 1545, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
5.705423 = idf(docFreq=399, maxDocs=44218)
0.03125 = fieldNorm(doc=1545)
0.019074813 = weight(_text_:und in 1545) [ClassicSimilarity], result of:
0.019074813 = score(doc=1545,freq=32.0), product of:
0.04868482 = queryWeight, product of:
2.216367 = idf(docFreq=13101, maxDocs=44218)
0.021966046 = queryNorm
0.39180204 = fieldWeight in 1545, product of:
5.656854 = tf(freq=32.0), with freq of:
32.0 = termFreq=32.0
2.216367 = idf(docFreq=13101, maxDocs=44218)
0.03125 = fieldNorm(doc=1545)
0.16666667 = coord(4/24)
- Classification
- ES 930 Allgemeine und vergleichende Sprach- und Literaturwissenschaft. Indogermanistik. Außereuropäische Sprachen und Literaturen / Spezialbereiche der allgemeinen Sprachwissenschaft / Datenverarbeitung und Sprachwissenschaft. Computerlinguistik / Informationsbehandlung
ST 271 Informatik / Monographien / Software und -entwicklung / Datenbanken, Datenbanksysteme, Data base management, Informationssysteme / Einzelne Datenbanksprachen und Datenbanksysteme
AN 95000 Allgemeines / Buch- und Bibliothekswesen, Informationswissenschaft / Informationswissenschaft / Informationspraxis / Bibliographische Erfassung, Suchpraxis
ST 270 Informatik / Monographien / Software und -entwicklung / Datenbanken, Datenbanksysteme, Data base management, Informationssysteme
- RVK
- ES 930 Allgemeine und vergleichende Sprach- und Literaturwissenschaft. Indogermanistik. Außereuropäische Sprachen und Literaturen / Spezialbereiche der allgemeinen Sprachwissenschaft / Datenverarbeitung und Sprachwissenschaft. Computerlinguistik / Informationsbehandlung
ST 271 Informatik / Monographien / Software und -entwicklung / Datenbanken, Datenbanksysteme, Data base management, Informationssysteme / Einzelne Datenbanksprachen und Datenbanksysteme
AN 95000 Allgemeines / Buch- und Bibliothekswesen, Informationswissenschaft / Informationswissenschaft / Informationspraxis / Bibliographische Erfassung, Suchpraxis
ST 270 Informatik / Monographien / Software und -entwicklung / Datenbanken, Datenbanksysteme, Data base management, Informationssysteme
-
Blair, D.C.; Maron, M.E.: ¬An evaluation of retrieval effectiveness for a full-text document-retrieval system (1985)
0.00
6.256481E-4 = product of:
0.015015555 = sum of:
0.015015555 = product of:
0.03003111 = sum of:
0.03003111 = weight(_text_:29 in 1345) [ClassicSimilarity], result of:
0.03003111 = score(doc=1345,freq=2.0), product of:
0.07726968 = queryWeight, product of:
3.5176873 = idf(docFreq=3565, maxDocs=44218)
0.021966046 = queryNorm
0.38865322 = fieldWeight in 1345, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5176873 = idf(docFreq=3565, maxDocs=44218)
0.078125 = fieldNorm(doc=1345)
0.5 = coord(1/2)
0.041666668 = coord(1/24)
- Footnote
- Vgl. auch : Salton, G.: Another look ... Comm. ACM 29(1986) S.S.648-656; Blair, D.C.: Full text retrieval ... Int. Class. 13(1986) S.18-23: Blair, D.C., M.E. Maron: Full-text information retrieval ... Inf. proc. man. 26(1990) S.437-447.
-
Blair, D.C.: STAIRS Redux : thoughts on the STAIRS evaluation, ten years after (1996)
0.00
4.3401401E-4 = product of:
0.010416336 = sum of:
0.010416336 = product of:
0.020832673 = sum of:
0.020832673 = weight(_text_:22 in 3002) [ClassicSimilarity], result of:
0.020832673 = score(doc=3002,freq=2.0), product of:
0.07692135 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.021966046 = queryNorm
0.2708308 = fieldWeight in 3002, 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=3002)
0.5 = coord(1/2)
0.041666668 = coord(1/24)
- Source
- Journal of the American Society for Information Science. 47(1996) no.1, S.4-22
-
Blair, D.C.: Full text retrieval : Evaluation and implications (1986)
0.00
3.7538886E-4 = product of:
0.009009332 = sum of:
0.009009332 = product of:
0.018018665 = sum of:
0.018018665 = weight(_text_:29 in 2047) [ClassicSimilarity], result of:
0.018018665 = score(doc=2047,freq=2.0), product of:
0.07726968 = queryWeight, product of:
3.5176873 = idf(docFreq=3565, maxDocs=44218)
0.021966046 = queryNorm
0.23319192 = fieldWeight in 2047, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5176873 = idf(docFreq=3565, maxDocs=44218)
0.046875 = fieldNorm(doc=2047)
0.5 = coord(1/2)
0.041666668 = coord(1/24)
- Footnote
- Vgl.: Blair, D.C., M.E. Maron: An evaluation ... Comm. ACM 28(1985) S.280-299; Salton, G.: Another look ... Comm. ACM 29(1986) S.648-656; Blair, D.C., M.E. Maron: Full-text information retrieval ... Inf. Proc. Man. 26(1990) S.437-447.
