-
Smeaton, A.F.; Rijsbergen, C.J. van: ¬The retrieval effects of query expansion on a feedback document retrieval system (1983)
0.05
0.04789843 = product of:
0.09579686 = sum of:
0.09579686 = sum of:
0.008422533 = weight(_text_:s in 2134) [ClassicSimilarity], result of:
0.008422533 = score(doc=2134,freq=2.0), product of:
0.05008241 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.046063907 = queryNorm
0.16817348 = fieldWeight in 2134, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.109375 = fieldNorm(doc=2134)
0.08737433 = weight(_text_:22 in 2134) [ClassicSimilarity], result of:
0.08737433 = score(doc=2134,freq=2.0), product of:
0.16130796 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.046063907 = queryNorm
0.5416616 = fieldWeight in 2134, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.109375 = fieldNorm(doc=2134)
0.5 = coord(1/2)
- Date
- 30. 3.2001 13:32:22
- Source
- Computer journal. 26(1983), S.239-246
-
Chang, C.-H.; Hsu, C.-C.: Integrating query expansion and conceptual relevance feedback for personalized Web information retrieval (1998)
0.02
0.023949215 = product of:
0.04789843 = sum of:
0.04789843 = sum of:
0.0042112665 = weight(_text_:s in 1319) [ClassicSimilarity], result of:
0.0042112665 = score(doc=1319,freq=2.0), product of:
0.05008241 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.046063907 = queryNorm
0.08408674 = fieldWeight in 1319, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.0546875 = fieldNorm(doc=1319)
0.043687165 = weight(_text_:22 in 1319) [ClassicSimilarity], result of:
0.043687165 = score(doc=1319,freq=2.0), product of:
0.16130796 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.046063907 = queryNorm
0.2708308 = fieldWeight in 1319, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.0546875 = fieldNorm(doc=1319)
0.5 = coord(1/2)
- Date
- 1. 8.1996 22:08:06
- Source
- Computer networks and ISDN systems. 30(1998) nos.1/7, S.621-623
-
Klas, C.-P.; Fuhr, N.; Schaefer, A.: Evaluating strategic support for information access in the DAFFODIL system (2004)
0.02
0.0205279 = product of:
0.0410558 = sum of:
0.0410558 = sum of:
0.003609657 = weight(_text_:s in 2419) [ClassicSimilarity], result of:
0.003609657 = score(doc=2419,freq=2.0), product of:
0.05008241 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.046063907 = queryNorm
0.072074346 = fieldWeight in 2419, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.046875 = fieldNorm(doc=2419)
0.03744614 = weight(_text_:22 in 2419) [ClassicSimilarity], result of:
0.03744614 = score(doc=2419,freq=2.0), product of:
0.16130796 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.046063907 = queryNorm
0.23214069 = fieldWeight in 2419, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.046875 = fieldNorm(doc=2419)
0.5 = coord(1/2)
- Date
- 16.11.2008 16:22:48
- Pages
- S.476-487
-
Efthimiadis, E.N.: User choices : a new yardstick for the evaluation of ranking algorithms for interactive query expansion (1995)
0.02
0.017106583 = product of:
0.034213167 = sum of:
0.034213167 = sum of:
0.0030080476 = weight(_text_:s in 5697) [ClassicSimilarity], result of:
0.0030080476 = score(doc=5697,freq=2.0), product of:
0.05008241 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.046063907 = queryNorm
0.060061958 = fieldWeight in 5697, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.0390625 = fieldNorm(doc=5697)
0.03120512 = weight(_text_:22 in 5697) [ClassicSimilarity], result of:
0.03120512 = score(doc=5697,freq=2.0), product of:
0.16130796 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.046063907 = queryNorm
0.19345059 = fieldWeight in 5697, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.0390625 = fieldNorm(doc=5697)
0.5 = coord(1/2)
- Date
- 22. 2.1996 13:14:10
- Source
- Information processing and management. 31(1995) no.4, S.605-620
-
Song, D.; Bruza, P.D.: Towards context sensitive information inference (2003)
0.02
0.017106583 = product of:
0.034213167 = sum of:
0.034213167 = sum of:
0.0030080476 = weight(_text_:s in 1428) [ClassicSimilarity], result of:
0.0030080476 = score(doc=1428,freq=2.0), product of:
0.05008241 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.046063907 = queryNorm
0.060061958 = fieldWeight in 1428, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.0390625 = fieldNorm(doc=1428)
0.03120512 = weight(_text_:22 in 1428) [ClassicSimilarity], result of:
0.03120512 = score(doc=1428,freq=2.0), product of:
0.16130796 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.046063907 = queryNorm
0.19345059 = fieldWeight in 1428, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.0390625 = fieldNorm(doc=1428)
0.5 = coord(1/2)
- Date
- 22. 3.2003 19:35:46
- Source
- Journal of the American Society for Information Science and technology. 54(2003) no.4, S.321-334
-
Shiri, A.A.; Revie, C.: Query expansion behavior within a thesaurus-enhanced search environment : a user-centered evaluation (2006)
0.02
0.017106583 = product of:
0.034213167 = sum of:
0.034213167 = sum of:
0.0030080476 = weight(_text_:s in 56) [ClassicSimilarity], result of:
0.0030080476 = score(doc=56,freq=2.0), product of:
0.05008241 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.046063907 = queryNorm
0.060061958 = fieldWeight in 56, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.0390625 = fieldNorm(doc=56)
0.03120512 = weight(_text_:22 in 56) [ClassicSimilarity], result of:
0.03120512 = score(doc=56,freq=2.0), product of:
0.16130796 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.046063907 = queryNorm
0.19345059 = fieldWeight in 56, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.0390625 = fieldNorm(doc=56)
0.5 = coord(1/2)
- Date
- 22. 7.2006 16:32:43
- Source
- Journal of the American Society for Information Science and Technology. 57(2006) no.4, S.462-478
-
Jindal, V.; Bawa, S.; Batra, S.: ¬A review of ranking approaches for semantic search on Web (2014)
0.00
0.0015630275 = product of:
0.003126055 = sum of:
0.003126055 = product of:
0.00625211 = sum of:
0.00625211 = weight(_text_:s in 2799) [ClassicSimilarity], result of:
0.00625211 = score(doc=2799,freq=6.0), product of:
0.05008241 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.046063907 = queryNorm
0.124836445 = fieldWeight in 2799, product of:
2.4494898 = tf(freq=6.0), with freq of:
6.0 = termFreq=6.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.046875 = fieldNorm(doc=2799)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- Information processing and management. 50(2014) no.2, S.416-425
-
Hancock-Beaulieu, M.; Walker, S.: ¬An evaluation of automatic query expansion in an online library catalogue (1992)
0.00
0.0014889077 = product of:
0.0029778155 = sum of:
0.0029778155 = product of:
0.005955631 = sum of:
0.005955631 = weight(_text_:s in 2731) [ClassicSimilarity], result of:
0.005955631 = score(doc=2731,freq=4.0), product of:
0.05008241 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.046063907 = queryNorm
0.118916616 = fieldWeight in 2731, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.0546875 = fieldNorm(doc=2731)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- Journal of documentation. 48(1992) no.4, S.406-421
-
Beaulieu, M.; Jones, S.: Interactive searching and interface issues in the Okapi best match probabilistic retrieval system (1998)
0.00
0.0014889077 = product of:
0.0029778155 = sum of:
0.0029778155 = product of:
0.005955631 = sum of:
0.005955631 = weight(_text_:s in 430) [ClassicSimilarity], result of:
0.005955631 = score(doc=430,freq=4.0), product of:
0.05008241 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.046063907 = queryNorm
0.118916616 = fieldWeight in 430, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.0546875 = fieldNorm(doc=430)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- Interacting with computers. 10(1998) no.3, S.237-248
-
Srinivasan, P.: Query expansion and MEDLINE (1996)
0.00
0.001203219 = product of:
0.002406438 = sum of:
0.002406438 = product of:
0.004812876 = sum of:
0.004812876 = weight(_text_:s in 8453) [ClassicSimilarity], result of:
0.004812876 = score(doc=8453,freq=2.0), product of:
0.05008241 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.046063907 = queryNorm
0.09609913 = fieldWeight in 8453, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.0625 = fieldNorm(doc=8453)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- Information processing and management. 32(1996) no.4, S.431-443
-
Kulyukin, V.A.; Settle, A.: Ranked retrieval with semantic networks and vector spaces (2001)
0.00
0.001203219 = product of:
0.002406438 = sum of:
0.002406438 = product of:
0.004812876 = sum of:
0.004812876 = weight(_text_:s in 6934) [ClassicSimilarity], result of:
0.004812876 = score(doc=6934,freq=2.0), product of:
0.05008241 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.046063907 = queryNorm
0.09609913 = fieldWeight in 6934, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.0625 = fieldNorm(doc=6934)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- Journal of the American Society for Information Science and technology. 52(2001) no.14, S.1224-1233
-
Calegari, S.; Sanchez, E.: Object-fuzzy concept network : an enrichment of ontologies in semantic information retrieval (2008)
0.00
0.0010635054 = product of:
0.0021270108 = sum of:
0.0021270108 = product of:
0.0042540217 = sum of:
0.0042540217 = weight(_text_:s in 2393) [ClassicSimilarity], result of:
0.0042540217 = score(doc=2393,freq=4.0), product of:
0.05008241 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.046063907 = queryNorm
0.08494043 = fieldWeight in 2393, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.0390625 = fieldNorm(doc=2393)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- Journal of the American Society for Information Science and Technology. 59(2008) no.13, S.2171-2185
-
Bhogal, J.; Macfarlane, A.; Smith, P.: ¬A review of ontology based query expansion (2007)
0.00
0.0010528166 = product of:
0.0021056333 = sum of:
0.0021056333 = product of:
0.0042112665 = sum of:
0.0042112665 = weight(_text_:s in 919) [ClassicSimilarity], result of:
0.0042112665 = score(doc=919,freq=2.0), product of:
0.05008241 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.046063907 = queryNorm
0.08408674 = fieldWeight in 919, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.0546875 = fieldNorm(doc=919)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- Information processing and management. 43(2007) no.4, S.866-886
-
Kwok, K.L.: ¬A network approach to probabilistic information retrieval (1995)
0.00
9.0241426E-4 = product of:
0.0018048285 = sum of:
0.0018048285 = product of:
0.003609657 = sum of:
0.003609657 = weight(_text_:s in 5696) [ClassicSimilarity], result of:
0.003609657 = score(doc=5696,freq=2.0), product of:
0.05008241 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.046063907 = queryNorm
0.072074346 = fieldWeight in 5696, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.046875 = fieldNorm(doc=5696)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- ACM transactions on information systems. 13(1995) no.3, S.324-353
-
Chen, H.; Zhang, Y.; Houston, A.L.: Semantic indexing and searching using a Hopfield net (1998)
0.00
9.0241426E-4 = product of:
0.0018048285 = sum of:
0.0018048285 = product of:
0.003609657 = sum of:
0.003609657 = weight(_text_:s in 5704) [ClassicSimilarity], result of:
0.003609657 = score(doc=5704,freq=2.0), product of:
0.05008241 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.046063907 = queryNorm
0.072074346 = fieldWeight in 5704, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.046875 = fieldNorm(doc=5704)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- Journal of information science. 24(1998) no.1, S.3-18
-
Nie, J.-Y.: Query expansion and query translation as logical inference (2003)
0.00
9.0241426E-4 = product of:
0.0018048285 = sum of:
0.0018048285 = product of:
0.003609657 = sum of:
0.003609657 = weight(_text_:s in 1425) [ClassicSimilarity], result of:
0.003609657 = score(doc=1425,freq=2.0), product of:
0.05008241 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.046063907 = queryNorm
0.072074346 = fieldWeight in 1425, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.046875 = fieldNorm(doc=1425)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- Journal of the American Society for Information Science and technology. 54(2003) no.4, S.335-346
-
Zhang, W.; Yoshida, T.; Tang, X.: ¬A comparative study of TF*IDF, LSI and multi-words for text classification (2011)
0.00
9.0241426E-4 = product of:
0.0018048285 = sum of:
0.0018048285 = product of:
0.003609657 = sum of:
0.003609657 = weight(_text_:s in 1165) [ClassicSimilarity], result of:
0.003609657 = score(doc=1165,freq=2.0), product of:
0.05008241 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.046063907 = queryNorm
0.072074346 = fieldWeight in 1165, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.046875 = fieldNorm(doc=1165)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- Expert-systems with applications. 38(2011) no.3, S.2758-2765
-
Chen, H.; Lally, A.M.; Zhu, B.; Chau, M.: HelpfulMed : Intelligent searching for medical information over the Internet (2003)
0.00
7.520119E-4 = product of:
0.0015040238 = sum of:
0.0015040238 = product of:
0.0030080476 = sum of:
0.0030080476 = weight(_text_:s in 1615) [ClassicSimilarity], result of:
0.0030080476 = score(doc=1615,freq=2.0), product of:
0.05008241 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.046063907 = queryNorm
0.060061958 = fieldWeight in 1615, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.0390625 = fieldNorm(doc=1615)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- Journal of the American Society for Information Science and technology. 54(2003) no.7, S.683-694
-
Quiroga, L.M.; Mostafa, J.: ¬An experiment in building profiles in information filtering : the role of context of user relevance feedback (2002)
0.00
7.520119E-4 = product of:
0.0015040238 = sum of:
0.0015040238 = product of:
0.0030080476 = sum of:
0.0030080476 = weight(_text_:s in 2579) [ClassicSimilarity], result of:
0.0030080476 = score(doc=2579,freq=2.0), product of:
0.05008241 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.046063907 = queryNorm
0.060061958 = fieldWeight in 2579, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.0390625 = fieldNorm(doc=2579)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- Information processing and management. 38(2002) no.5, S.671-694
-
Schaefer, A.; Jordan, M.; Klas, C.-P.; Fuhr, N.: Active support for query formulation in virtual digital libraries : a case study with DAFFODIL (2005)
0.00
7.520119E-4 = product of:
0.0015040238 = sum of:
0.0015040238 = product of:
0.0030080476 = sum of:
0.0030080476 = weight(_text_:s in 4296) [ClassicSimilarity], result of:
0.0030080476 = score(doc=4296,freq=2.0), product of:
0.05008241 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.046063907 = queryNorm
0.060061958 = fieldWeight in 4296, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.0390625 = fieldNorm(doc=4296)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Pages
- S.414-425