-
Ensor, P.: Keyword/Boolean searching on an online public access catalog : CD-ROM searching and its effects (1992)
0.00
0.0030516388 = product of:
0.0061032777 = sum of:
0.0061032777 = product of:
0.012206555 = sum of:
0.012206555 = weight(_text_:e in 3077) [ClassicSimilarity], result of:
0.012206555 = score(doc=3077,freq=2.0), product of:
0.054902427 = queryWeight, product of:
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.03819645 = queryNorm
0.2223318 = fieldWeight in 3077, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.109375 = fieldNorm(doc=3077)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Language
- e
-
Ensor, P.: Do we need standards for OPAC interfaces (1993)
0.00
0.002179742 = product of:
0.004359484 = sum of:
0.004359484 = product of:
0.008718968 = sum of:
0.008718968 = weight(_text_:e in 7444) [ClassicSimilarity], result of:
0.008718968 = score(doc=7444,freq=2.0), product of:
0.054902427 = queryWeight, product of:
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.03819645 = queryNorm
0.15880844 = fieldWeight in 7444, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.078125 = fieldNorm(doc=7444)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Language
- e
-
Ensor, P.: User characteristics of keyword searching in an OPAC (1992)
0.00
0.0017437937 = product of:
0.0034875874 = sum of:
0.0034875874 = product of:
0.006975175 = sum of:
0.006975175 = weight(_text_:e in 2278) [ClassicSimilarity], result of:
0.006975175 = score(doc=2278,freq=2.0), product of:
0.054902427 = queryWeight, product of:
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.03819645 = queryNorm
0.12704675 = fieldWeight in 2278, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.0625 = fieldNorm(doc=2278)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Language
- e
-
Ensor, P.: User practices in keyword and Boolean searching on an online public access catalog (1992)
0.00
0.0017437937 = product of:
0.0034875874 = sum of:
0.0034875874 = product of:
0.006975175 = sum of:
0.006975175 = weight(_text_:e in 2416) [ClassicSimilarity], result of:
0.006975175 = score(doc=2416,freq=2.0), product of:
0.054902427 = queryWeight, product of:
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.03819645 = queryNorm
0.12704675 = fieldWeight in 2416, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.0625 = fieldNorm(doc=2416)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Language
- e
-
Ensor, P.: Knowledge level of users and nonusers of keyword/Boolean searching on an online public access catalog (1992)
0.00
0.0015258194 = product of:
0.0030516388 = sum of:
0.0030516388 = product of:
0.0061032777 = sum of:
0.0061032777 = weight(_text_:e in 3289) [ClassicSimilarity], result of:
0.0061032777 = score(doc=3289,freq=2.0), product of:
0.054902427 = queryWeight, product of:
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.03819645 = queryNorm
0.1111659 = fieldWeight in 3289, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.0546875 = fieldNorm(doc=3289)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Language
- e