-
Kang, I.-S.; Na, S.-H.; Kim, J.; Lee, J.-H.: Cluster-based patent retrieval (2007)
1.03
1.026626 = sum of:
1.026626 = product of:
1.2319512 = sum of:
0.08243286 = weight(abstract_txt:based in 1930) [ClassicSimilarity], result of:
0.08243286 = score(doc=1930,freq=5.0), product of:
0.18530555 = queryWeight, product of:
3.1830752 = idf(docFreq=5005, maxDocs=44421)
0.05821589 = queryNorm
0.4448483 = fieldWeight in 1930, product of:
2.236068 = tf(freq=5.0), with freq of:
5.0 = termFreq=5.0
3.1830752 = idf(docFreq=5005, maxDocs=44421)
0.0625 = fieldNorm(doc=1930)
0.047219794 = weight(abstract_txt:using in 1930) [ClassicSimilarity], result of:
0.047219794 = score(doc=1930,freq=1.0), product of:
0.2185551 = queryWeight, product of:
1.086016 = boost
3.4568708 = idf(docFreq=3806, maxDocs=44421)
0.05821589 = queryNorm
0.21605442 = fieldWeight in 1930, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
3.4568708 = idf(docFreq=3806, maxDocs=44421)
0.0625 = fieldNorm(doc=1930)
0.13584584 = weight(abstract_txt:retrieval in 1930) [ClassicSimilarity], result of:
0.13584584 = score(doc=1930,freq=8.0), product of:
0.2210442 = queryWeight, product of:
1.0921829 = boost
3.4765 = idf(docFreq=3732, maxDocs=44421)
0.05821589 = queryNorm
0.6145642 = fieldWeight in 1930, product of:
2.828427 = tf(freq=8.0), with freq of:
8.0 = termFreq=8.0
3.4765 = idf(docFreq=3732, maxDocs=44421)
0.0625 = fieldNorm(doc=1930)
0.11730226 = weight(abstract_txt:language in 1930) [ClassicSimilarity], result of:
0.11730226 = score(doc=1930,freq=2.0), product of:
0.3181797 = queryWeight, product of:
1.3103641 = boost
4.1709876 = idf(docFreq=1863, maxDocs=44421)
0.05821589 = queryNorm
0.3686667 = fieldWeight in 1930, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
4.1709876 = idf(docFreq=1863, maxDocs=44421)
0.0625 = fieldNorm(doc=1930)
0.84915054 = weight(abstract_txt:cluster in 1930) [ClassicSimilarity], result of:
0.84915054 = score(doc=1930,freq=7.0), product of:
0.78421533 = queryWeight, product of:
2.0571854 = boost
6.548176 = idf(docFreq=172, maxDocs=44421)
0.05821589 = queryNorm
1.0828028 = fieldWeight in 1930, product of:
2.6457512 = tf(freq=7.0), with freq of:
7.0 = termFreq=7.0
6.548176 = idf(docFreq=172, maxDocs=44421)
0.0625 = fieldNorm(doc=1930)
0.8333333 = coord(5/6)
-
Na, S.-H.; Kang, I.-S.; Roh, J.-E.; Lee, J.-H.: ¬An empirical study of query expansion and cluster-based retrieval in language modeling approach (2007)
0.88
0.8804934 = sum of:
0.8804934 = product of:
1.3207401 = sum of:
0.110595286 = weight(abstract_txt:based in 1906) [ClassicSimilarity], result of:
0.110595286 = score(doc=1906,freq=4.0), product of:
0.18530555 = queryWeight, product of:
3.1830752 = idf(docFreq=5005, maxDocs=44421)
0.05821589 = queryNorm
0.5968266 = fieldWeight in 1906, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
3.1830752 = idf(docFreq=5005, maxDocs=44421)
0.09375 = fieldNorm(doc=1906)
0.07082969 = weight(abstract_txt:using in 1906) [ClassicSimilarity], result of:
0.07082969 = score(doc=1906,freq=1.0), product of:
0.2185551 = queryWeight, product of:
1.086016 = boost
3.4568708 = idf(docFreq=3806, maxDocs=44421)
0.05821589 = queryNorm
0.32408163 = fieldWeight in 1906, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
3.4568708 = idf(docFreq=3806, maxDocs=44421)
0.09375 = fieldNorm(doc=1906)
0.17646894 = weight(abstract_txt:retrieval in 1906) [ClassicSimilarity], result of:
0.17646894 = score(doc=1906,freq=6.0), product of:
0.2210442 = queryWeight, product of:
1.0921829 = boost
3.4765 = idf(docFreq=3732, maxDocs=44421)
0.05821589 = queryNorm
0.79834235 = fieldWeight in 1906, product of:
2.4494898 = tf(freq=6.0), with freq of:
6.0 = termFreq=6.0
3.4765 = idf(docFreq=3732, maxDocs=44421)
0.09375 = fieldNorm(doc=1906)
0.9628462 = weight(abstract_txt:cluster in 1906) [ClassicSimilarity], result of:
0.9628462 = score(doc=1906,freq=4.0), product of:
0.78421533 = queryWeight, product of:
2.0571854 = boost
6.548176 = idf(docFreq=172, maxDocs=44421)
0.05821589 = queryNorm
1.227783 = fieldWeight in 1906, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
6.548176 = idf(docFreq=172, maxDocs=44421)
0.09375 = fieldNorm(doc=1906)
0.6666667 = coord(4/6)
-
Wolfram, D.; Zhang, J.: ¬An investigation of the influence of indexing exhaustivity and term distributions on a document space (2002)
0.65
0.6460591 = sum of:
0.6460591 = product of:
0.77527094 = sum of:
0.073730186 = weight(abstract_txt:based in 238) [ClassicSimilarity], result of:
0.073730186 = score(doc=238,freq=4.0), product of:
0.18530555 = queryWeight, product of:
3.1830752 = idf(docFreq=5005, maxDocs=44421)
0.05821589 = queryNorm
0.3978844 = fieldWeight in 238, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
3.1830752 = idf(docFreq=5005, maxDocs=44421)
0.0625 = fieldNorm(doc=238)
0.066778876 = weight(abstract_txt:using in 238) [ClassicSimilarity], result of:
0.066778876 = score(doc=238,freq=2.0), product of:
0.2185551 = queryWeight, product of:
1.086016 = boost
3.4568708 = idf(docFreq=3806, maxDocs=44421)
0.05821589 = queryNorm
0.3055471 = fieldWeight in 238, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.4568708 = idf(docFreq=3806, maxDocs=44421)
0.0625 = fieldNorm(doc=238)
0.06792292 = weight(abstract_txt:retrieval in 238) [ClassicSimilarity], result of:
0.06792292 = score(doc=238,freq=2.0), product of:
0.2210442 = queryWeight, product of:
1.0921829 = boost
3.4765 = idf(docFreq=3732, maxDocs=44421)
0.05821589 = queryNorm
0.3072821 = fieldWeight in 238, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.4765 = idf(docFreq=3732, maxDocs=44421)
0.0625 = fieldNorm(doc=238)
0.112948865 = weight(abstract_txt:models in 238) [ClassicSimilarity], result of:
0.112948865 = score(doc=238,freq=1.0), product of:
0.3909004 = queryWeight, product of:
1.4524087 = boost
4.623126 = idf(docFreq=1185, maxDocs=44421)
0.05821589 = queryNorm
0.28894538 = fieldWeight in 238, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
4.623126 = idf(docFreq=1185, maxDocs=44421)
0.0625 = fieldNorm(doc=238)
0.45389006 = weight(abstract_txt:cluster in 238) [ClassicSimilarity], result of:
0.45389006 = score(doc=238,freq=2.0), product of:
0.78421533 = queryWeight, product of:
2.0571854 = boost
6.548176 = idf(docFreq=172, maxDocs=44421)
0.05821589 = queryNorm
0.57878244 = fieldWeight in 238, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
6.548176 = idf(docFreq=172, maxDocs=44421)
0.0625 = fieldNorm(doc=238)
0.8333333 = coord(5/6)
-
Fujita, S.: Technology survey and invalidity search : a comparative study of different tasks for Japanese patent document retrieval (2007)
0.62
0.6239599 = sum of:
0.6239599 = product of:
0.9359398 = sum of:
0.07082969 = weight(abstract_txt:using in 1918) [ClassicSimilarity], result of:
0.07082969 = score(doc=1918,freq=1.0), product of:
0.2185551 = queryWeight, product of:
1.086016 = boost
3.4568708 = idf(docFreq=3806, maxDocs=44421)
0.05821589 = queryNorm
0.32408163 = fieldWeight in 1918, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
3.4568708 = idf(docFreq=3806, maxDocs=44421)
0.09375 = fieldNorm(doc=1918)
0.14408629 = weight(abstract_txt:retrieval in 1918) [ClassicSimilarity], result of:
0.14408629 = score(doc=1918,freq=4.0), product of:
0.2210442 = queryWeight, product of:
1.0921829 = boost
3.4765 = idf(docFreq=3732, maxDocs=44421)
0.05821589 = queryNorm
0.6518438 = fieldWeight in 1918, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
3.4765 = idf(docFreq=3732, maxDocs=44421)
0.09375 = fieldNorm(doc=1918)
0.23960072 = weight(abstract_txt:models in 1918) [ClassicSimilarity], result of:
0.23960072 = score(doc=1918,freq=2.0), product of:
0.3909004 = queryWeight, product of:
1.4524087 = boost
4.623126 = idf(docFreq=1185, maxDocs=44421)
0.05821589 = queryNorm
0.6129457 = fieldWeight in 1918, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
4.623126 = idf(docFreq=1185, maxDocs=44421)
0.09375 = fieldNorm(doc=1918)
0.4814231 = weight(abstract_txt:cluster in 1918) [ClassicSimilarity], result of:
0.4814231 = score(doc=1918,freq=1.0), product of:
0.78421533 = queryWeight, product of:
2.0571854 = boost
6.548176 = idf(docFreq=172, maxDocs=44421)
0.05821589 = queryNorm
0.6138915 = fieldWeight in 1918, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
6.548176 = idf(docFreq=172, maxDocs=44421)
0.09375 = fieldNorm(doc=1918)
0.6666667 = coord(4/6)
-
Belbachir, F.; Boughanem, M.: Using language models to improve opinion detection (2018)
0.56
0.5601633 = sum of:
0.5601633 = product of:
0.67219603 = sum of:
0.05587069 = weight(abstract_txt:based in 44) [ClassicSimilarity], result of:
0.05587069 = score(doc=44,freq=3.0), product of:
0.18530555 = queryWeight, product of:
3.1830752 = idf(docFreq=5005, maxDocs=44421)
0.05821589 = queryNorm
0.30150574 = fieldWeight in 44, 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=44)
0.0715637 = weight(abstract_txt:using in 44) [ClassicSimilarity], result of:
0.0715637 = score(doc=44,freq=3.0), product of:
0.2185551 = queryWeight, product of:
1.086016 = boost
3.4568708 = idf(docFreq=3806, maxDocs=44421)
0.05821589 = queryNorm
0.32744008 = fieldWeight in 44, product of:
1.7320508 = tf(freq=3.0), with freq of:
3.0 = termFreq=3.0
3.4568708 = idf(docFreq=3806, maxDocs=44421)
0.0546875 = fieldNorm(doc=44)
0.10294022 = weight(abstract_txt:retrieval in 44) [ClassicSimilarity], result of:
0.10294022 = score(doc=44,freq=6.0), product of:
0.2210442 = queryWeight, product of:
1.0921829 = boost
3.4765 = idf(docFreq=3732, maxDocs=44421)
0.05821589 = queryNorm
0.4656997 = fieldWeight in 44, product of:
2.4494898 = tf(freq=6.0), with freq of:
6.0 = termFreq=6.0
3.4765 = idf(docFreq=3732, maxDocs=44421)
0.0546875 = fieldNorm(doc=44)
0.16228725 = weight(abstract_txt:language in 44) [ClassicSimilarity], result of:
0.16228725 = score(doc=44,freq=5.0), product of:
0.3181797 = queryWeight, product of:
1.3103641 = boost
4.1709876 = idf(docFreq=1863, maxDocs=44421)
0.05821589 = queryNorm
0.51004905 = fieldWeight in 44, product of:
2.236068 = tf(freq=5.0), with freq of:
5.0 = termFreq=5.0
4.1709876 = idf(docFreq=1863, maxDocs=44421)
0.0546875 = fieldNorm(doc=44)
0.2795342 = weight(abstract_txt:models in 44) [ClassicSimilarity], result of:
0.2795342 = score(doc=44,freq=8.0), product of:
0.3909004 = queryWeight, product of:
1.4524087 = boost
4.623126 = idf(docFreq=1185, maxDocs=44421)
0.05821589 = queryNorm
0.7151033 = fieldWeight in 44, product of:
2.828427 = tf(freq=8.0), with freq of:
8.0 = termFreq=8.0
4.623126 = idf(docFreq=1185, maxDocs=44421)
0.0546875 = fieldNorm(doc=44)
0.8333333 = coord(5/6)