-
Pieper, D.; Wolf, S.: BASE - Eine Suchmaschine für OAI-Quellen und wissenschaftliche Webseiten (2007)
0.20
0.19707483 = sum of:
0.19707483 = product of:
0.8211451 = sum of:
0.07839803 = weight(abstract_txt:harvesting in 1294) [ClassicSimilarity], result of:
0.07839803 = score(doc=1294,freq=1.0), product of:
0.13162433 = queryWeight, product of:
1.2051378 = boost
7.62393 = idf(docFreq=58, maxDocs=44421)
0.014325855 = queryNorm
0.59561956 = fieldWeight in 1294, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
7.62393 = idf(docFreq=58, maxDocs=44421)
0.078125 = fieldNorm(doc=1294)
0.03607164 = weight(abstract_txt:academic in 1294) [ClassicSimilarity], result of:
0.03607164 = score(doc=1294,freq=1.0), product of:
0.09883711 = queryWeight, product of:
1.4768747 = boost
4.6714945 = idf(docFreq=1129, maxDocs=44421)
0.014325855 = queryNorm
0.3649605 = fieldWeight in 1294, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
4.6714945 = idf(docFreq=1129, maxDocs=44421)
0.078125 = fieldNorm(doc=1294)
0.088940956 = weight(abstract_txt:engine in 1294) [ClassicSimilarity], result of:
0.088940956 = score(doc=1294,freq=1.0), product of:
0.20649414 = queryWeight, product of:
2.614467 = boost
5.5132036 = idf(docFreq=486, maxDocs=44421)
0.014325855 = queryNorm
0.43071902 = fieldWeight in 1294, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
5.5132036 = idf(docFreq=486, maxDocs=44421)
0.078125 = fieldNorm(doc=1294)
0.05181297 = weight(abstract_txt:search in 1294) [ClassicSimilarity], result of:
0.05181297 = score(doc=1294,freq=1.0), product of:
0.18147168 = queryWeight, product of:
3.4661605 = boost
3.654598 = idf(docFreq=3123, maxDocs=44421)
0.014325855 = queryNorm
0.28551546 = fieldWeight in 1294, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
3.654598 = idf(docFreq=3123, maxDocs=44421)
0.078125 = fieldNorm(doc=1294)
0.31622586 = weight(abstract_txt:base in 1294) [ClassicSimilarity], result of:
0.31622586 = score(doc=1294,freq=4.0), product of:
0.3592811 = queryWeight, product of:
4.4521604 = boost
5.633042 = idf(docFreq=431, maxDocs=44421)
0.014325855 = queryNorm
0.8801628 = fieldWeight in 1294, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
5.633042 = idf(docFreq=431, maxDocs=44421)
0.078125 = fieldNorm(doc=1294)
0.24969564 = weight(abstract_txt:repository in 1294) [ClassicSimilarity], result of:
0.24969564 = score(doc=1294,freq=1.0), product of:
0.4872256 = queryWeight, product of:
5.184641 = boost
6.559804 = idf(docFreq=170, maxDocs=44421)
0.014325855 = queryNorm
0.51248467 = fieldWeight in 1294, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
6.559804 = idf(docFreq=170, maxDocs=44421)
0.078125 = fieldNorm(doc=1294)
0.24 = coord(6/25)
-
Amolochitis, E.; Christou, I.T.; Tan, Z.-H.; Prasad, R.: ¬A heuristic hierarchical scheme for academic search and retrieval (2013)
0.15
0.14977849 = sum of:
0.14977849 = product of:
0.53492314 = sum of:
0.009129124 = weight(abstract_txt:based in 3711) [ClassicSimilarity], result of:
0.009129124 = score(doc=3711,freq=1.0), product of:
0.045888323 = queryWeight, product of:
1.0063168 = boost
3.1830752 = idf(docFreq=5005, maxDocs=44421)
0.014325855 = queryNorm
0.1989422 = fieldWeight in 3711, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
3.1830752 = idf(docFreq=5005, maxDocs=44421)
0.0625 = fieldNorm(doc=3711)
0.04677804 = weight(abstract_txt:scholar in 3711) [ClassicSimilarity], result of:
0.04677804 = score(doc=3711,freq=1.0), product of:
0.10825155 = queryWeight, product of:
1.0929133 = boost
6.9139757 = idf(docFreq=119, maxDocs=44421)
0.014325855 = queryNorm
0.43212348 = fieldWeight in 3711, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
6.9139757 = idf(docFreq=119, maxDocs=44421)
0.0625 = fieldNorm(doc=3711)
0.028233798 = weight(abstract_txt:user in 3711) [ClassicSimilarity], result of:
0.028233798 = score(doc=3711,freq=4.0), product of:
0.061363343 = queryWeight, product of:
1.1636922 = boost
3.6808684 = idf(docFreq=3042, maxDocs=44421)
0.014325855 = queryNorm
0.46010855 = fieldWeight in 3711, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
3.6808684 = idf(docFreq=3042, maxDocs=44421)
0.0625 = fieldNorm(doc=3711)
0.057714626 = weight(abstract_txt:academic in 3711) [ClassicSimilarity], result of:
0.057714626 = score(doc=3711,freq=4.0), product of:
0.09883711 = queryWeight, product of:
1.4768747 = boost
4.6714945 = idf(docFreq=1129, maxDocs=44421)
0.014325855 = queryNorm
0.5839368 = fieldWeight in 3711, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
4.6714945 = idf(docFreq=1129, maxDocs=44421)
0.0625 = fieldNorm(doc=3711)
0.1006252 = weight(abstract_txt:engine in 3711) [ClassicSimilarity], result of:
0.1006252 = score(doc=3711,freq=2.0), product of:
0.20649414 = queryWeight, product of:
2.614467 = boost
5.5132036 = idf(docFreq=486, maxDocs=44421)
0.014325855 = queryNorm
0.48730296 = fieldWeight in 3711, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
5.5132036 = idf(docFreq=486, maxDocs=44421)
0.0625 = fieldNorm(doc=3711)
0.092685856 = weight(abstract_txt:search in 3711) [ClassicSimilarity], result of:
0.092685856 = score(doc=3711,freq=5.0), product of:
0.18147168 = queryWeight, product of:
3.4661605 = boost
3.654598 = idf(docFreq=3123, maxDocs=44421)
0.014325855 = queryNorm
0.5107456 = fieldWeight in 3711, product of:
2.236068 = tf(freq=5.0), with freq of:
5.0 = termFreq=5.0
3.654598 = idf(docFreq=3123, maxDocs=44421)
0.0625 = fieldNorm(doc=3711)
0.19975652 = weight(abstract_txt:repository in 3711) [ClassicSimilarity], result of:
0.19975652 = score(doc=3711,freq=1.0), product of:
0.4872256 = queryWeight, product of:
5.184641 = boost
6.559804 = idf(docFreq=170, maxDocs=44421)
0.014325855 = queryNorm
0.40998775 = fieldWeight in 3711, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
6.559804 = idf(docFreq=170, maxDocs=44421)
0.0625 = fieldNorm(doc=3711)
0.28 = coord(7/25)
-
Joint, N.: ¬The one-stop shop search engine : a transformational library technology? ANTAEUS (2010)
0.14
0.1444114 = sum of:
0.1444114 = product of:
0.40114275 = sum of:
0.0079879835 = weight(abstract_txt:based in 201) [ClassicSimilarity], result of:
0.0079879835 = score(doc=201,freq=1.0), product of:
0.045888323 = queryWeight, product of:
1.0063168 = boost
3.1830752 = idf(docFreq=5005, maxDocs=44421)
0.014325855 = queryNorm
0.17407443 = fieldWeight in 201, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
3.1830752 = idf(docFreq=5005, maxDocs=44421)
0.0546875 = fieldNorm(doc=201)
0.04093078 = weight(abstract_txt:scholar in 201) [ClassicSimilarity], result of:
0.04093078 = score(doc=201,freq=1.0), product of:
0.10825155 = queryWeight, product of:
1.0929133 = boost
6.9139757 = idf(docFreq=119, maxDocs=44421)
0.014325855 = queryNorm
0.37810805 = fieldWeight in 201, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
6.9139757 = idf(docFreq=119, maxDocs=44421)
0.0546875 = fieldNorm(doc=201)
0.022972912 = weight(abstract_txt:paper in 201) [ClassicSimilarity], result of:
0.022972912 = score(doc=201,freq=5.0), product of:
0.054270618 = queryWeight, product of:
1.0943747 = boost
3.4616103 = idf(docFreq=3788, maxDocs=44421)
0.014325855 = queryNorm
0.42330292 = fieldWeight in 201, product of:
2.236068 = tf(freq=5.0), with freq of:
5.0 = termFreq=5.0
3.4616103 = idf(docFreq=3788, maxDocs=44421)
0.0546875 = fieldNorm(doc=201)
0.012352287 = weight(abstract_txt:user in 201) [ClassicSimilarity], result of:
0.012352287 = score(doc=201,freq=1.0), product of:
0.061363343 = queryWeight, product of:
1.1636922 = boost
3.6808684 = idf(docFreq=3042, maxDocs=44421)
0.014325855 = queryNorm
0.20129749 = fieldWeight in 201, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
3.6808684 = idf(docFreq=3042, maxDocs=44421)
0.0546875 = fieldNorm(doc=201)
0.05487861 = weight(abstract_txt:harvesting in 201) [ClassicSimilarity], result of:
0.05487861 = score(doc=201,freq=1.0), product of:
0.13162433 = queryWeight, product of:
1.2051378 = boost
7.62393 = idf(docFreq=58, maxDocs=44421)
0.014325855 = queryNorm
0.41693366 = fieldWeight in 201, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
7.62393 = idf(docFreq=58, maxDocs=44421)
0.0546875 = fieldNorm(doc=201)
0.031152532 = weight(abstract_txt:purpose in 201) [ClassicSimilarity], result of:
0.031152532 = score(doc=201,freq=2.0), product of:
0.09023943 = queryWeight, product of:
1.411178 = boost
4.4636893 = idf(docFreq=1390, maxDocs=44421)
0.014325855 = queryNorm
0.34522083 = fieldWeight in 201, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
4.4636893 = idf(docFreq=1390, maxDocs=44421)
0.0546875 = fieldNorm(doc=201)
0.02525015 = weight(abstract_txt:academic in 201) [ClassicSimilarity], result of:
0.02525015 = score(doc=201,freq=1.0), product of:
0.09883711 = queryWeight, product of:
1.4768747 = boost
4.6714945 = idf(docFreq=1129, maxDocs=44421)
0.014325855 = queryNorm
0.25547236 = fieldWeight in 201, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
4.6714945 = idf(docFreq=1129, maxDocs=44421)
0.0546875 = fieldNorm(doc=201)
0.124517344 = weight(abstract_txt:engine in 201) [ClassicSimilarity], result of:
0.124517344 = score(doc=201,freq=4.0), product of:
0.20649414 = queryWeight, product of:
2.614467 = boost
5.5132036 = idf(docFreq=486, maxDocs=44421)
0.014325855 = queryNorm
0.60300666 = fieldWeight in 201, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
5.5132036 = idf(docFreq=486, maxDocs=44421)
0.0546875 = fieldNorm(doc=201)
0.08110013 = weight(abstract_txt:search in 201) [ClassicSimilarity], result of:
0.08110013 = score(doc=201,freq=5.0), product of:
0.18147168 = queryWeight, product of:
3.4661605 = boost
3.654598 = idf(docFreq=3123, maxDocs=44421)
0.014325855 = queryNorm
0.4469024 = fieldWeight in 201, product of:
2.236068 = tf(freq=5.0), with freq of:
5.0 = termFreq=5.0
3.654598 = idf(docFreq=3123, maxDocs=44421)
0.0546875 = fieldNorm(doc=201)
0.36 = coord(9/25)
-
Summann, F.; Lossau, N.: Search engine technology and digital libraries : moving from theory to practice (2004)
0.13
0.13335286 = sum of:
0.13335286 = product of:
0.47626022 = sum of:
0.013835593 = weight(abstract_txt:based in 2196) [ClassicSimilarity], result of:
0.013835593 = score(doc=2196,freq=3.0), product of:
0.045888323 = queryWeight, product of:
1.0063168 = boost
3.1830752 = idf(docFreq=5005, maxDocs=44421)
0.014325855 = queryNorm
0.30150574 = fieldWeight in 2196, product of:
1.7320508 = tf(freq=3.0), with freq of:
3.0 = termFreq=3.0
3.1830752 = idf(docFreq=5005, maxDocs=44421)
0.0546875 = fieldNorm(doc=2196)
0.012352287 = weight(abstract_txt:user in 2196) [ClassicSimilarity], result of:
0.012352287 = score(doc=2196,freq=1.0), product of:
0.061363343 = queryWeight, product of:
1.1636922 = boost
3.6808684 = idf(docFreq=3042, maxDocs=44421)
0.014325855 = queryNorm
0.20129749 = fieldWeight in 2196, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
3.6808684 = idf(docFreq=3042, maxDocs=44421)
0.0546875 = fieldNorm(doc=2196)
0.018664919 = weight(abstract_txt:resources in 2196) [ClassicSimilarity], result of:
0.018664919 = score(doc=2196,freq=1.0), product of:
0.080803126 = queryWeight, product of:
1.335358 = boost
4.2238636 = idf(docFreq=1767, maxDocs=44421)
0.014325855 = queryNorm
0.23099254 = fieldWeight in 2196, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
4.2238636 = idf(docFreq=1767, maxDocs=44421)
0.0546875 = fieldNorm(doc=2196)
0.066805616 = weight(abstract_txt:academic in 2196) [ClassicSimilarity], result of:
0.066805616 = score(doc=2196,freq=7.0), product of:
0.09883711 = queryWeight, product of:
1.4768747 = boost
4.6714945 = idf(docFreq=1129, maxDocs=44421)
0.014325855 = queryNorm
0.6759163 = fieldWeight in 2196, product of:
2.6457512 = tf(freq=7.0), with freq of:
7.0 = termFreq=7.0
4.6714945 = idf(docFreq=1129, maxDocs=44421)
0.0546875 = fieldNorm(doc=2196)
0.124517344 = weight(abstract_txt:engine in 2196) [ClassicSimilarity], result of:
0.124517344 = score(doc=2196,freq=4.0), product of:
0.20649414 = queryWeight, product of:
2.614467 = boost
5.5132036 = idf(docFreq=486, maxDocs=44421)
0.014325855 = queryNorm
0.60300666 = fieldWeight in 2196, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
5.5132036 = idf(docFreq=486, maxDocs=44421)
0.0546875 = fieldNorm(doc=2196)
0.13750002 = weight(abstract_txt:servers in 2196) [ClassicSimilarity], result of:
0.13750002 = score(doc=2196,freq=1.0), product of:
0.35019478 = queryWeight, product of:
3.404741 = boost
7.179679 = idf(docFreq=91, maxDocs=44421)
0.014325855 = queryNorm
0.39263868 = fieldWeight in 2196, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
7.179679 = idf(docFreq=91, maxDocs=44421)
0.0546875 = fieldNorm(doc=2196)
0.10258445 = weight(abstract_txt:search in 2196) [ClassicSimilarity], result of:
0.10258445 = score(doc=2196,freq=8.0), product of:
0.18147168 = queryWeight, product of:
3.4661605 = boost
3.654598 = idf(docFreq=3123, maxDocs=44421)
0.014325855 = queryNorm
0.5652918 = fieldWeight in 2196, product of:
2.828427 = tf(freq=8.0), with freq of:
8.0 = termFreq=8.0
3.654598 = idf(docFreq=3123, maxDocs=44421)
0.0546875 = fieldNorm(doc=2196)
0.28 = coord(7/25)
-
Abad-García, M.-F.; González-Teruel, A.; González-Llinares, J.: Effectiveness of OpenAIRE, BASE, Recolecta, and Google Scholar at finding spanish articles in repositories (2018)
0.13
0.13300921 = sum of:
0.13300921 = product of:
0.66504604 = sum of:
0.04677804 = weight(abstract_txt:scholar in 185) [ClassicSimilarity], result of:
0.04677804 = score(doc=185,freq=1.0), product of:
0.10825155 = queryWeight, product of:
1.0929133 = boost
6.9139757 = idf(docFreq=119, maxDocs=44421)
0.014325855 = queryNorm
0.43212348 = fieldWeight in 185, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
6.9139757 = idf(docFreq=119, maxDocs=44421)
0.0625 = fieldNorm(doc=185)
0.011741484 = weight(abstract_txt:paper in 185) [ClassicSimilarity], result of:
0.011741484 = score(doc=185,freq=1.0), product of:
0.054270618 = queryWeight, product of:
1.0943747 = boost
3.4616103 = idf(docFreq=3788, maxDocs=44421)
0.014325855 = queryNorm
0.21635064 = fieldWeight in 185, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
3.4616103 = idf(docFreq=3788, maxDocs=44421)
0.0625 = fieldNorm(doc=185)
0.041450378 = weight(abstract_txt:search in 185) [ClassicSimilarity], result of:
0.041450378 = score(doc=185,freq=1.0), product of:
0.18147168 = queryWeight, product of:
3.4661605 = boost
3.654598 = idf(docFreq=3123, maxDocs=44421)
0.014325855 = queryNorm
0.22841237 = fieldWeight in 185, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
3.654598 = idf(docFreq=3123, maxDocs=44421)
0.0625 = fieldNorm(doc=185)
0.2190877 = weight(abstract_txt:base in 185) [ClassicSimilarity], result of:
0.2190877 = score(doc=185,freq=3.0), product of:
0.3592811 = queryWeight, product of:
4.4521604 = boost
5.633042 = idf(docFreq=431, maxDocs=44421)
0.014325855 = queryNorm
0.6097947 = fieldWeight in 185, product of:
1.7320508 = tf(freq=3.0), with freq of:
3.0 = termFreq=3.0
5.633042 = idf(docFreq=431, maxDocs=44421)
0.0625 = fieldNorm(doc=185)
0.34598845 = weight(abstract_txt:repository in 185) [ClassicSimilarity], result of:
0.34598845 = score(doc=185,freq=3.0), product of:
0.4872256 = queryWeight, product of:
5.184641 = boost
6.559804 = idf(docFreq=170, maxDocs=44421)
0.014325855 = queryNorm
0.7101196 = fieldWeight in 185, product of:
1.7320508 = tf(freq=3.0), with freq of:
3.0 = termFreq=3.0
6.559804 = idf(docFreq=170, maxDocs=44421)
0.0625 = fieldNorm(doc=185)
0.2 = coord(5/25)