-
Evaluation of information retrieval systems : special topic issue (1996)
1.35
1.3489659 = sum of:
1.3489659 = sum of:
0.19964299 = weight(abstract_txt:information in 6812) [ClassicSimilarity], result of:
0.19964299 = score(doc=6812,freq=1.0), product of:
0.3298594 = queryWeight, product of:
2.4209464 = idf(docFreq=10677, maxDocs=44218)
0.13625225 = queryNorm
0.6052366 = fieldWeight in 6812, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
2.4209464 = idf(docFreq=10677, maxDocs=44218)
0.25 = fieldNorm(doc=6812)
0.55882925 = weight(abstract_txt:systems in 6812) [ClassicSimilarity], result of:
0.55882925 = score(doc=6812,freq=1.0), product of:
0.6551573 = queryWeight, product of:
1.409316 = boost
3.4118783 = idf(docFreq=3963, maxDocs=44218)
0.13625225 = queryNorm
0.8529696 = fieldWeight in 6812, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
3.4118783 = idf(docFreq=3963, maxDocs=44218)
0.25 = fieldNorm(doc=6812)
0.5904936 = weight(abstract_txt:retrieval in 6812) [ClassicSimilarity], result of:
0.5904936 = score(doc=6812,freq=1.0), product of:
0.6796776 = queryWeight, product of:
1.4354466 = boost
3.4751394 = idf(docFreq=3720, maxDocs=44218)
0.13625225 = queryNorm
0.86878484 = fieldWeight in 6812, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
3.4751394 = idf(docFreq=3720, maxDocs=44218)
0.25 = fieldNorm(doc=6812)
-
Dunsire, G.: Bringing it all back home : retrieval and access for the global information society (1999)
1.35
1.3489659 = sum of:
1.3489659 = sum of:
0.19964299 = weight(abstract_txt:information in 4536) [ClassicSimilarity], result of:
0.19964299 = score(doc=4536,freq=1.0), product of:
0.3298594 = queryWeight, product of:
2.4209464 = idf(docFreq=10677, maxDocs=44218)
0.13625225 = queryNorm
0.6052366 = fieldWeight in 4536, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
2.4209464 = idf(docFreq=10677, maxDocs=44218)
0.25 = fieldNorm(doc=4536)
0.55882925 = weight(abstract_txt:systems in 4536) [ClassicSimilarity], result of:
0.55882925 = score(doc=4536,freq=1.0), product of:
0.6551573 = queryWeight, product of:
1.409316 = boost
3.4118783 = idf(docFreq=3963, maxDocs=44218)
0.13625225 = queryNorm
0.8529696 = fieldWeight in 4536, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
3.4118783 = idf(docFreq=3963, maxDocs=44218)
0.25 = fieldNorm(doc=4536)
0.5904936 = weight(abstract_txt:retrieval in 4536) [ClassicSimilarity], result of:
0.5904936 = score(doc=4536,freq=1.0), product of:
0.6796776 = queryWeight, product of:
1.4354466 = boost
3.4751394 = idf(docFreq=3720, maxDocs=44218)
0.13625225 = queryNorm
0.86878484 = fieldWeight in 4536, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
3.4751394 = idf(docFreq=3720, maxDocs=44218)
0.25 = fieldNorm(doc=4536)
-
Tereshchenko, S.S.: Struktury dannykh v avtomatizirrovannykh informatsionnykh sistemakh (1997)
1.33
1.3265072 = sum of:
1.3265072 = sum of:
0.17646113 = weight(abstract_txt:information in 1648) [ClassicSimilarity], result of:
0.17646113 = score(doc=1648,freq=2.0), product of:
0.3298594 = queryWeight, product of:
2.4209464 = idf(docFreq=10677, maxDocs=44218)
0.13625225 = queryNorm
0.5349586 = fieldWeight in 1648, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.4209464 = idf(docFreq=10677, maxDocs=44218)
0.15625 = fieldNorm(doc=1648)
0.7809876 = weight(abstract_txt:systems in 1648) [ClassicSimilarity], result of:
0.7809876 = score(doc=1648,freq=5.0), product of:
0.6551573 = queryWeight, product of:
1.409316 = boost
3.4118783 = idf(docFreq=3963, maxDocs=44218)
0.13625225 = queryNorm
1.1920612 = fieldWeight in 1648, product of:
2.236068 = tf(freq=5.0), with freq of:
5.0 = termFreq=5.0
3.4118783 = idf(docFreq=3963, maxDocs=44218)
0.15625 = fieldNorm(doc=1648)
0.3690585 = weight(abstract_txt:retrieval in 1648) [ClassicSimilarity], result of:
0.3690585 = score(doc=1648,freq=1.0), product of:
0.6796776 = queryWeight, product of:
1.4354466 = boost
3.4751394 = idf(docFreq=3720, maxDocs=44218)
0.13625225 = queryNorm
0.5429905 = fieldWeight in 1648, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
3.4751394 = idf(docFreq=3720, maxDocs=44218)
0.15625 = fieldNorm(doc=1648)
-
Warner, J.: Retrieval performance tests in relation to online bibliographic searching (1992)
1.26
1.2571883 = sum of:
1.2571883 = sum of:
0.21175337 = weight(abstract_txt:information in 4522) [ClassicSimilarity], result of:
0.21175337 = score(doc=4522,freq=2.0), product of:
0.3298594 = queryWeight, product of:
2.4209464 = idf(docFreq=10677, maxDocs=44218)
0.13625225 = queryNorm
0.64195037 = fieldWeight in 4522, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.4209464 = idf(docFreq=10677, maxDocs=44218)
0.1875 = fieldNorm(doc=4522)
0.41912195 = weight(abstract_txt:systems in 4522) [ClassicSimilarity], result of:
0.41912195 = score(doc=4522,freq=1.0), product of:
0.6551573 = queryWeight, product of:
1.409316 = boost
3.4118783 = idf(docFreq=3963, maxDocs=44218)
0.13625225 = queryNorm
0.6397272 = fieldWeight in 4522, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
3.4118783 = idf(docFreq=3963, maxDocs=44218)
0.1875 = fieldNorm(doc=4522)
0.62631303 = weight(abstract_txt:retrieval in 4522) [ClassicSimilarity], result of:
0.62631303 = score(doc=4522,freq=2.0), product of:
0.6796776 = queryWeight, product of:
1.4354466 = boost
3.4751394 = idf(docFreq=3720, maxDocs=44218)
0.13625225 = queryNorm
0.9214854 = fieldWeight in 4522, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.4751394 = idf(docFreq=3720, maxDocs=44218)
0.1875 = fieldNorm(doc=4522)
-
Ford, N.: Web-based learning through educational informatics : information science meets educational computing (2008)
1.25
1.2527032 = sum of:
1.2527032 = sum of:
0.24704559 = weight(abstract_txt:information in 4006) [ClassicSimilarity], result of:
0.24704559 = score(doc=4006,freq=2.0), product of:
0.3298594 = queryWeight, product of:
2.4209464 = idf(docFreq=10677, maxDocs=44218)
0.13625225 = queryNorm
0.7489421 = fieldWeight in 4006, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.4209464 = idf(docFreq=10677, maxDocs=44218)
0.21875 = fieldNorm(doc=4006)
0.4889756 = weight(abstract_txt:systems in 4006) [ClassicSimilarity], result of:
0.4889756 = score(doc=4006,freq=1.0), product of:
0.6551573 = queryWeight, product of:
1.409316 = boost
3.4118783 = idf(docFreq=3963, maxDocs=44218)
0.13625225 = queryNorm
0.7463484 = fieldWeight in 4006, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
3.4118783 = idf(docFreq=3963, maxDocs=44218)
0.21875 = fieldNorm(doc=4006)
0.5166819 = weight(abstract_txt:retrieval in 4006) [ClassicSimilarity], result of:
0.5166819 = score(doc=4006,freq=1.0), product of:
0.6796776 = queryWeight, product of:
1.4354466 = boost
3.4751394 = idf(docFreq=3720, maxDocs=44218)
0.13625225 = queryNorm
0.76018673 = fieldWeight in 4006, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
3.4751394 = idf(docFreq=3720, maxDocs=44218)
0.21875 = fieldNorm(doc=4006)
