Fang, Z.; Dudek, J.; Costas, R.: Facing the volatility of tweets in altmetric research (2022)
0.02
0.020992681 = product of:
0.041985363 = sum of:
0.041985363 = product of:
0.062978044 = sum of:
0.030200815 = weight(_text_:j in 605) [ClassicSimilarity], result of:
0.030200815 = score(doc=605,freq=2.0), product of:
0.14337628 = queryWeight, product of:
3.1774964 = idf(docFreq=5010, maxDocs=44218)
0.045122404 = queryNorm
0.21064025 = fieldWeight in 605, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.1774964 = idf(docFreq=5010, maxDocs=44218)
0.046875 = fieldNorm(doc=605)
0.03277723 = weight(_text_:r in 605) [ClassicSimilarity], result of:
0.03277723 = score(doc=605,freq=2.0), product of:
0.14936681 = queryWeight, product of:
3.3102584 = idf(docFreq=4387, maxDocs=44218)
0.045122404 = queryNorm
0.2194412 = fieldWeight in 605, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.3102584 = idf(docFreq=4387, maxDocs=44218)
0.046875 = fieldNorm(doc=605)
0.6666667 = coord(2/3)
0.5 = coord(1/2)
Fang, Z.; Dudek, J.; Costas, R.: ¬The stability of Twitter metrics : a study on unavailable Twitter mentions of scientific publications (2020)
0.02
0.017493902 = product of:
0.034987804 = sum of:
0.034987804 = product of:
0.052481703 = sum of:
0.025167344 = weight(_text_:j in 35) [ClassicSimilarity], result of:
0.025167344 = score(doc=35,freq=2.0), product of:
0.14337628 = queryWeight, product of:
3.1774964 = idf(docFreq=5010, maxDocs=44218)
0.045122404 = queryNorm
0.17553353 = fieldWeight in 35, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.1774964 = idf(docFreq=5010, maxDocs=44218)
0.0390625 = fieldNorm(doc=35)
0.02731436 = weight(_text_:r in 35) [ClassicSimilarity], result of:
0.02731436 = score(doc=35,freq=2.0), product of:
0.14936681 = queryWeight, product of:
3.3102584 = idf(docFreq=4387, maxDocs=44218)
0.045122404 = queryNorm
0.18286766 = fieldWeight in 35, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.3102584 = idf(docFreq=4387, maxDocs=44218)
0.0390625 = fieldNorm(doc=35)
0.6666667 = coord(2/3)
0.5 = coord(1/2)