-
CD-ROMs in print (1995)
0.08
0.07505952 = product of:
0.15011904 = sum of:
0.15011904 = sum of:
0.08062233 = weight(_text_:i in 7589) [ClassicSimilarity], result of:
0.08062233 = score(doc=7589,freq=2.0), product of:
0.16122356 = queryWeight, product of:
3.7717297 = idf(docFreq=2765, maxDocs=44218)
0.04274526 = queryNorm
0.50006545 = fieldWeight in 7589, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.7717297 = idf(docFreq=2765, maxDocs=44218)
0.09375 = fieldNorm(doc=7589)
0.06949671 = weight(_text_:22 in 7589) [ClassicSimilarity], result of:
0.06949671 = score(doc=7589,freq=2.0), product of:
0.14968662 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.04274526 = queryNorm
0.46428138 = fieldWeight in 7589, 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=7589)
0.5 = coord(1/2)
- Footnote
- Rez. in: Audiovisual librarian 22(1996) no.2, S.130-131 ( R. Williams)
- Type
- i
-
Metz, R.: Directory of directories on the Internet (1992)
0.03
0.033592634 = product of:
0.06718527 = sum of:
0.06718527 = product of:
0.13437054 = sum of:
0.13437054 = weight(_text_:i in 4220) [ClassicSimilarity], result of:
0.13437054 = score(doc=4220,freq=2.0), product of:
0.16122356 = queryWeight, product of:
3.7717297 = idf(docFreq=2765, maxDocs=44218)
0.04274526 = queryNorm
0.83344233 = fieldWeight in 4220, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.7717297 = idf(docFreq=2765, maxDocs=44218)
0.15625 = fieldNorm(doc=4220)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Type
- i
-
CD-ROM market-place : an international guide to the CD-ROM, CD-I, CDTV & electronic book industry (1992)
0.03
0.028504299 = product of:
0.057008598 = sum of:
0.057008598 = product of:
0.114017196 = sum of:
0.114017196 = weight(_text_:i in 4224) [ClassicSimilarity], result of:
0.114017196 = score(doc=4224,freq=4.0), product of:
0.16122356 = queryWeight, product of:
3.7717297 = idf(docFreq=2765, maxDocs=44218)
0.04274526 = queryNorm
0.70719934 = fieldWeight in 4224, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
3.7717297 = idf(docFreq=2765, maxDocs=44218)
0.09375 = fieldNorm(doc=4224)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Type
- i
-
CD-ROMs in print : an international guide to CD-ROMs, CD-I, CDTV & electronic book products (1994)
0.03
0.028504299 = product of:
0.057008598 = sum of:
0.057008598 = product of:
0.114017196 = sum of:
0.114017196 = weight(_text_:i in 5013) [ClassicSimilarity], result of:
0.114017196 = score(doc=5013,freq=4.0), product of:
0.16122356 = queryWeight, product of:
3.7717297 = idf(docFreq=2765, maxDocs=44218)
0.04274526 = queryNorm
0.70719934 = fieldWeight in 5013, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
3.7717297 = idf(docFreq=2765, maxDocs=44218)
0.09375 = fieldNorm(doc=5013)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Type
- i
-
¬The CD-ROM directory 1996 : the complete guide to CD-ROM and multimedia titles (1996)
0.03
0.026874108 = product of:
0.053748216 = sum of:
0.053748216 = product of:
0.10749643 = sum of:
0.10749643 = weight(_text_:i in 4808) [ClassicSimilarity], result of:
0.10749643 = score(doc=4808,freq=2.0), product of:
0.16122356 = queryWeight, product of:
3.7717297 = idf(docFreq=2765, maxDocs=44218)
0.04274526 = queryNorm
0.6667539 = fieldWeight in 4808, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.7717297 = idf(docFreq=2765, maxDocs=44218)
0.125 = fieldNorm(doc=4808)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Type
- i
-
Malinowsky, H.R.: Reference sources in science, engineering, medicine, and agriculture (1994)
0.02
0.023514846 = product of:
0.047029693 = sum of:
0.047029693 = product of:
0.094059385 = sum of:
0.094059385 = weight(_text_:i in 142) [ClassicSimilarity], result of:
0.094059385 = score(doc=142,freq=2.0), product of:
0.16122356 = queryWeight, product of:
3.7717297 = idf(docFreq=2765, maxDocs=44218)
0.04274526 = queryNorm
0.58340967 = fieldWeight in 142, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.7717297 = idf(docFreq=2765, maxDocs=44218)
0.109375 = fieldNorm(doc=142)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Type
- i
-
Directory of portable databases (1993)
0.02
0.023514846 = product of:
0.047029693 = sum of:
0.047029693 = product of:
0.094059385 = sum of:
0.094059385 = weight(_text_:i in 1198) [ClassicSimilarity], result of:
0.094059385 = score(doc=1198,freq=2.0), product of:
0.16122356 = queryWeight, product of:
3.7717297 = idf(docFreq=2765, maxDocs=44218)
0.04274526 = queryNorm
0.58340967 = fieldWeight in 1198, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.7717297 = idf(docFreq=2765, maxDocs=44218)
0.109375 = fieldNorm(doc=1198)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Type
- i
-
¬The world of learning (1996)
0.02
0.023514846 = product of:
0.047029693 = sum of:
0.047029693 = product of:
0.094059385 = sum of:
0.094059385 = weight(_text_:i in 1311) [ClassicSimilarity], result of:
0.094059385 = score(doc=1311,freq=2.0), product of:
0.16122356 = queryWeight, product of:
3.7717297 = idf(docFreq=2765, maxDocs=44218)
0.04274526 = queryNorm
0.58340967 = fieldWeight in 1311, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.7717297 = idf(docFreq=2765, maxDocs=44218)
0.109375 = fieldNorm(doc=1311)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Type
- i
-
¬The CD-ROM directory '95 : with multimedia CD's (1994)
0.02
0.023514846 = product of:
0.047029693 = sum of:
0.047029693 = product of:
0.094059385 = sum of:
0.094059385 = weight(_text_:i in 2348) [ClassicSimilarity], result of:
0.094059385 = score(doc=2348,freq=2.0), product of:
0.16122356 = queryWeight, product of:
3.7717297 = idf(docFreq=2765, maxDocs=44218)
0.04274526 = queryNorm
0.58340967 = fieldWeight in 2348, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.7717297 = idf(docFreq=2765, maxDocs=44218)
0.109375 = fieldNorm(doc=2348)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Type
- i
-
Gale guide to Internet databases (1995)
0.02
0.023514846 = product of:
0.047029693 = sum of:
0.047029693 = product of:
0.094059385 = sum of:
0.094059385 = weight(_text_:i in 2924) [ClassicSimilarity], result of:
0.094059385 = score(doc=2924,freq=2.0), product of:
0.16122356 = queryWeight, product of:
3.7717297 = idf(docFreq=2765, maxDocs=44218)
0.04274526 = queryNorm
0.58340967 = fieldWeight in 2924, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.7717297 = idf(docFreq=2765, maxDocs=44218)
0.109375 = fieldNorm(doc=2924)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Type
- i
-
Information sources in engineering (2005)
0.02
0.023514846 = product of:
0.047029693 = sum of:
0.047029693 = product of:
0.094059385 = sum of:
0.094059385 = weight(_text_:i in 5981) [ClassicSimilarity], result of:
0.094059385 = score(doc=5981,freq=2.0), product of:
0.16122356 = queryWeight, product of:
3.7717297 = idf(docFreq=2765, maxDocs=44218)
0.04274526 = queryNorm
0.58340967 = fieldWeight in 5981, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.7717297 = idf(docFreq=2765, maxDocs=44218)
0.109375 = fieldNorm(doc=5981)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Type
- i
-
Hardy, G.J.; Robinson, J.S.: Subject guide to U.S. Government reference sources (1996)
0.02
0.023514846 = product of:
0.047029693 = sum of:
0.047029693 = product of:
0.094059385 = sum of:
0.094059385 = weight(_text_:i in 1393) [ClassicSimilarity], result of:
0.094059385 = score(doc=1393,freq=2.0), product of:
0.16122356 = queryWeight, product of:
3.7717297 = idf(docFreq=2765, maxDocs=44218)
0.04274526 = queryNorm
0.58340967 = fieldWeight in 1393, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.7717297 = idf(docFreq=2765, maxDocs=44218)
0.109375 = fieldNorm(doc=1393)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Type
- i
-
Information sources 1997 (1997)
0.02
0.023514846 = product of:
0.047029693 = sum of:
0.047029693 = product of:
0.094059385 = sum of:
0.094059385 = weight(_text_:i in 2025) [ClassicSimilarity], result of:
0.094059385 = score(doc=2025,freq=2.0), product of:
0.16122356 = queryWeight, product of:
3.7717297 = idf(docFreq=2765, maxDocs=44218)
0.04274526 = queryNorm
0.58340967 = fieldWeight in 2025, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.7717297 = idf(docFreq=2765, maxDocs=44218)
0.109375 = fieldNorm(doc=2025)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Type
- i
-
Lambert, L.; Lambert, P A.: Finding information in science, technology and medicine (2003)
0.02
0.023514846 = product of:
0.047029693 = sum of:
0.047029693 = product of:
0.094059385 = sum of:
0.094059385 = weight(_text_:i in 4037) [ClassicSimilarity], result of:
0.094059385 = score(doc=4037,freq=2.0), product of:
0.16122356 = queryWeight, product of:
3.7717297 = idf(docFreq=2765, maxDocs=44218)
0.04274526 = queryNorm
0.58340967 = fieldWeight in 4037, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.7717297 = idf(docFreq=2765, maxDocs=44218)
0.109375 = fieldNorm(doc=4037)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Type
- i
-
¬The year in reference (1994)
0.02
0.020155583 = product of:
0.040311165 = sum of:
0.040311165 = product of:
0.08062233 = sum of:
0.08062233 = weight(_text_:i in 133) [ClassicSimilarity], result of:
0.08062233 = score(doc=133,freq=2.0), product of:
0.16122356 = queryWeight, product of:
3.7717297 = idf(docFreq=2765, maxDocs=44218)
0.04274526 = queryNorm
0.50006545 = fieldWeight in 133, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.7717297 = idf(docFreq=2765, maxDocs=44218)
0.09375 = fieldNorm(doc=133)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Type
- i
-
Gale directory of databases 2005 : Vol.1: Online databases. - Vol.2: CD-ROM, DVD, diskette, magnetic tape, handheld, and batch access database products (2005)
0.02
0.020155583 = product of:
0.040311165 = sum of:
0.040311165 = product of:
0.08062233 = sum of:
0.08062233 = weight(_text_:i in 1118) [ClassicSimilarity], result of:
0.08062233 = score(doc=1118,freq=2.0), product of:
0.16122356 = queryWeight, product of:
3.7717297 = idf(docFreq=2765, maxDocs=44218)
0.04274526 = queryNorm
0.50006545 = fieldWeight in 1118, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.7717297 = idf(docFreq=2765, maxDocs=44218)
0.09375 = fieldNorm(doc=1118)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Type
- i
-
European directory of software for libraries and information centres (1993)
0.02
0.020155583 = product of:
0.040311165 = sum of:
0.040311165 = product of:
0.08062233 = sum of:
0.08062233 = weight(_text_:i in 1200) [ClassicSimilarity], result of:
0.08062233 = score(doc=1200,freq=2.0), product of:
0.16122356 = queryWeight, product of:
3.7717297 = idf(docFreq=2765, maxDocs=44218)
0.04274526 = queryNorm
0.50006545 = fieldWeight in 1200, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.7717297 = idf(docFreq=2765, maxDocs=44218)
0.09375 = fieldNorm(doc=1200)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Type
- i
-
Bowker's complete video directory : 1993 (1993)
0.02
0.020155583 = product of:
0.040311165 = sum of:
0.040311165 = product of:
0.08062233 = sum of:
0.08062233 = weight(_text_:i in 1300) [ClassicSimilarity], result of:
0.08062233 = score(doc=1300,freq=2.0), product of:
0.16122356 = queryWeight, product of:
3.7717297 = idf(docFreq=2765, maxDocs=44218)
0.04274526 = queryNorm
0.50006545 = fieldWeight in 1300, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.7717297 = idf(docFreq=2765, maxDocs=44218)
0.09375 = fieldNorm(doc=1300)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Type
- i
-
¬The video source book (1993)
0.02
0.020155583 = product of:
0.040311165 = sum of:
0.040311165 = product of:
0.08062233 = sum of:
0.08062233 = weight(_text_:i in 1301) [ClassicSimilarity], result of:
0.08062233 = score(doc=1301,freq=2.0), product of:
0.16122356 = queryWeight, product of:
3.7717297 = idf(docFreq=2765, maxDocs=44218)
0.04274526 = queryNorm
0.50006545 = fieldWeight in 1301, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.7717297 = idf(docFreq=2765, maxDocs=44218)
0.09375 = fieldNorm(doc=1301)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Type
- i
-
Newby, G.: Directory of directories on the Internet : a guide to information sources (1994)
0.02
0.020155583 = product of:
0.040311165 = sum of:
0.040311165 = product of:
0.08062233 = sum of:
0.08062233 = weight(_text_:i in 2585) [ClassicSimilarity], result of:
0.08062233 = score(doc=2585,freq=2.0), product of:
0.16122356 = queryWeight, product of:
3.7717297 = idf(docFreq=2765, maxDocs=44218)
0.04274526 = queryNorm
0.50006545 = fieldWeight in 2585, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.7717297 = idf(docFreq=2765, maxDocs=44218)
0.09375 = fieldNorm(doc=2585)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Type
- i