-
Katritzky, A.R.; Cato, S.J.; Deyrup, J.A.: Comparison of the scope, timeliness, and quality of chemical abstracts from VINITI and CAS (1993)
1.08
1.0762606 = sum of:
1.0762606 = product of:
1.7937675 = sum of:
0.21515435 = weight(abstract_txt:services in 5450) [ClassicSimilarity], result of:
0.21515435 = score(doc=5450,freq=3.0), product of:
0.23671113 = queryWeight, product of:
4.198178 = idf(docFreq=1813, maxDocs=44421)
0.056384254 = queryNorm
0.90893215 = fieldWeight in 5450, product of:
1.7320508 = tf(freq=3.0), with freq of:
3.0 = termFreq=3.0
4.198178 = idf(docFreq=1813, maxDocs=44421)
0.125 = fieldNorm(doc=5450)
0.6598089 = weight(abstract_txt:relative in 5450) [ClassicSimilarity], result of:
0.6598089 = score(doc=5450,freq=3.0), product of:
0.49964783 = queryWeight, product of:
1.4528563 = boost
6.099349 = idf(docFreq=270, maxDocs=44421)
0.056384254 = queryNorm
1.3205478 = fieldWeight in 5450, product of:
1.7320508 = tf(freq=3.0), with freq of:
3.0 = termFreq=3.0
6.099349 = idf(docFreq=270, maxDocs=44421)
0.125 = fieldNorm(doc=5450)
0.91880417 = weight(abstract_txt:abstracting in 5450) [ClassicSimilarity], result of:
0.91880417 = score(doc=5450,freq=3.0), product of:
0.62306577 = queryWeight, product of:
1.6223987 = boost
6.8111186 = idf(docFreq=132, maxDocs=44421)
0.056384254 = queryNorm
1.4746504 = fieldWeight in 5450, product of:
1.7320508 = tf(freq=3.0), with freq of:
3.0 = termFreq=3.0
6.8111186 = idf(docFreq=132, maxDocs=44421)
0.125 = fieldNorm(doc=5450)
0.6 = coord(3/5)
-
Gorman, G.E.; Mills, J.J.: Guide to current indexing and abstracting services in the third world (1992)
0.83
0.8325557 = sum of:
0.8325557 = product of:
1.3875928 = sum of:
0.217384 = weight(abstract_txt:services in 8003) [ClassicSimilarity], result of:
0.217384 = score(doc=8003,freq=1.0), product of:
0.23671113 = queryWeight, product of:
4.198178 = idf(docFreq=1813, maxDocs=44421)
0.056384254 = queryNorm
0.9183514 = fieldWeight in 8003, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
4.198178 = idf(docFreq=1813, maxDocs=44421)
0.21875 = fieldNorm(doc=8003)
0.24188307 = weight(abstract_txt:indexing in 8003) [ClassicSimilarity], result of:
0.24188307 = score(doc=8003,freq=1.0), product of:
0.2541776 = queryWeight, product of:
1.0362375 = boost
4.3503094 = idf(docFreq=1557, maxDocs=44421)
0.056384254 = queryNorm
0.9516302 = fieldWeight in 8003, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
4.3503094 = idf(docFreq=1557, maxDocs=44421)
0.21875 = fieldNorm(doc=8003)
0.9283257 = weight(abstract_txt:abstracting in 8003) [ClassicSimilarity], result of:
0.9283257 = score(doc=8003,freq=1.0), product of:
0.62306577 = queryWeight, product of:
1.6223987 = boost
6.8111186 = idf(docFreq=132, maxDocs=44421)
0.056384254 = queryNorm
1.4899322 = fieldWeight in 8003, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
6.8111186 = idf(docFreq=132, maxDocs=44421)
0.21875 = fieldNorm(doc=8003)
0.6 = coord(3/5)
-
Bakewell, K.G.B.; Rowland, G.: Indexing and abstracting (1993)
0.77
0.7652822 = sum of:
0.7652822 = product of:
1.2754703 = sum of:
0.108692 = weight(abstract_txt:services in 5539) [ClassicSimilarity], result of:
0.108692 = score(doc=5539,freq=1.0), product of:
0.23671113 = queryWeight, product of:
4.198178 = idf(docFreq=1813, maxDocs=44421)
0.056384254 = queryNorm
0.4591757 = fieldWeight in 5539, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
4.198178 = idf(docFreq=1813, maxDocs=44421)
0.109375 = fieldNorm(doc=5539)
0.36282462 = weight(abstract_txt:indexing in 5539) [ClassicSimilarity], result of:
0.36282462 = score(doc=5539,freq=9.0), product of:
0.2541776 = queryWeight, product of:
1.0362375 = boost
4.3503094 = idf(docFreq=1557, maxDocs=44421)
0.056384254 = queryNorm
1.4274453 = fieldWeight in 5539, product of:
3.0 = tf(freq=9.0), with freq of:
9.0 = termFreq=9.0
4.3503094 = idf(docFreq=1557, maxDocs=44421)
0.109375 = fieldNorm(doc=5539)
0.80395365 = weight(abstract_txt:abstracting in 5539) [ClassicSimilarity], result of:
0.80395365 = score(doc=5539,freq=3.0), product of:
0.62306577 = queryWeight, product of:
1.6223987 = boost
6.8111186 = idf(docFreq=132, maxDocs=44421)
0.056384254 = queryNorm
1.2903191 = fieldWeight in 5539, product of:
1.7320508 = tf(freq=3.0), with freq of:
3.0 = termFreq=3.0
6.8111186 = idf(docFreq=132, maxDocs=44421)
0.109375 = fieldNorm(doc=5539)
0.6 = coord(3/5)
-
Peek, R.: Will abstracting-and-indexing services become passé? : Repackaging with value-added services is on this searcher's wish list (1998)
0.61
0.6075833 = sum of:
0.6075833 = product of:
1.0126388 = sum of:
0.124219425 = weight(abstract_txt:services in 2812) [ClassicSimilarity], result of:
0.124219425 = score(doc=2812,freq=1.0), product of:
0.23671113 = queryWeight, product of:
4.198178 = idf(docFreq=1813, maxDocs=44421)
0.056384254 = queryNorm
0.5247722 = fieldWeight in 2812, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
4.198178 = idf(docFreq=1813, maxDocs=44421)
0.125 = fieldNorm(doc=2812)
0.1382189 = weight(abstract_txt:indexing in 2812) [ClassicSimilarity], result of:
0.1382189 = score(doc=2812,freq=1.0), product of:
0.2541776 = queryWeight, product of:
1.0362375 = boost
4.3503094 = idf(docFreq=1557, maxDocs=44421)
0.056384254 = queryNorm
0.5437887 = fieldWeight in 2812, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
4.3503094 = idf(docFreq=1557, maxDocs=44421)
0.125 = fieldNorm(doc=2812)
0.75020045 = weight(abstract_txt:abstracting in 2812) [ClassicSimilarity], result of:
0.75020045 = score(doc=2812,freq=2.0), product of:
0.62306577 = queryWeight, product of:
1.6223987 = boost
6.8111186 = idf(docFreq=132, maxDocs=44421)
0.056384254 = queryNorm
1.204047 = fieldWeight in 2812, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
6.8111186 = idf(docFreq=132, maxDocs=44421)
0.125 = fieldNorm(doc=2812)
0.6 = coord(3/5)
-
DeSilva, S.M.: ¬A review of expert systems in library and information science (1997)
0.53
0.53030705 = sum of:
0.53030705 = product of:
0.8838451 = sum of:
0.21515435 = weight(abstract_txt:services in 2407) [ClassicSimilarity], result of:
0.21515435 = score(doc=2407,freq=3.0), product of:
0.23671113 = queryWeight, product of:
4.198178 = idf(docFreq=1813, maxDocs=44421)
0.056384254 = queryNorm
0.90893215 = fieldWeight in 2407, product of:
1.7320508 = tf(freq=3.0), with freq of:
3.0 = termFreq=3.0
4.198178 = idf(docFreq=1813, maxDocs=44421)
0.125 = fieldNorm(doc=2407)
0.1382189 = weight(abstract_txt:indexing in 2407) [ClassicSimilarity], result of:
0.1382189 = score(doc=2407,freq=1.0), product of:
0.2541776 = queryWeight, product of:
1.0362375 = boost
4.3503094 = idf(docFreq=1557, maxDocs=44421)
0.056384254 = queryNorm
0.5437887 = fieldWeight in 2407, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
4.3503094 = idf(docFreq=1557, maxDocs=44421)
0.125 = fieldNorm(doc=2407)
0.53047186 = weight(abstract_txt:abstracting in 2407) [ClassicSimilarity], result of:
0.53047186 = score(doc=2407,freq=1.0), product of:
0.62306577 = queryWeight, product of:
1.6223987 = boost
6.8111186 = idf(docFreq=132, maxDocs=44421)
0.056384254 = queryNorm
0.8513898 = fieldWeight in 2407, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
6.8111186 = idf(docFreq=132, maxDocs=44421)
0.125 = fieldNorm(doc=2407)
0.6 = coord(3/5)
