-
Robertson, S.E.: ¬The methodology of information retrieval experiment (1981)
0.10
0.095428765 = product of:
0.19085753 = sum of:
0.19085753 = product of:
0.38171506 = sum of:
0.38171506 = weight(_text_:s.e in 3146) [ClassicSimilarity], result of:
0.38171506 = score(doc=3146,freq=2.0), product of:
0.30782345 = queryWeight, product of:
7.014756 = idf(docFreq=107, maxDocs=44218)
0.043882273 = queryNorm
1.2400454 = fieldWeight in 3146, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
7.014756 = idf(docFreq=107, maxDocs=44218)
0.125 = fieldNorm(doc=3146)
0.5 = coord(1/2)
0.5 = coord(1/2)
-
Robertson, S.E.; Thompson, C.L.: ¬An operational evaluation of weighting, ranking and relevance feedback via a front-end system (1987)
0.08
0.08350017 = product of:
0.16700034 = sum of:
0.16700034 = product of:
0.33400068 = sum of:
0.33400068 = weight(_text_:s.e in 3858) [ClassicSimilarity], result of:
0.33400068 = score(doc=3858,freq=2.0), product of:
0.30782345 = queryWeight, product of:
7.014756 = idf(docFreq=107, maxDocs=44218)
0.043882273 = queryNorm
1.0850397 = fieldWeight in 3858, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
7.014756 = idf(docFreq=107, maxDocs=44218)
0.109375 = fieldNorm(doc=3858)
0.5 = coord(1/2)
0.5 = coord(1/2)
-
Robertson, S.E.; Walker, S.; Beaulieu, M.: Experimentation as a way of life : Okapi at TREC (2000)
0.07
0.07157157 = product of:
0.14314315 = sum of:
0.14314315 = product of:
0.2862863 = sum of:
0.2862863 = weight(_text_:s.e in 6030) [ClassicSimilarity], result of:
0.2862863 = score(doc=6030,freq=2.0), product of:
0.30782345 = queryWeight, product of:
7.014756 = idf(docFreq=107, maxDocs=44218)
0.043882273 = queryNorm
0.93003404 = fieldWeight in 6030, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
7.014756 = idf(docFreq=107, maxDocs=44218)
0.09375 = fieldNorm(doc=6030)
0.5 = coord(1/2)
0.5 = coord(1/2)
-
Beaulieu, M.M.; Gatford, M.; Huang, X.; Robertson, S.E.; Walker, S.; Williams, P.: Okapi an TREC-5 (1997)
0.07
0.07157157 = product of:
0.14314315 = sum of:
0.14314315 = product of:
0.2862863 = sum of:
0.2862863 = weight(_text_:s.e in 3097) [ClassicSimilarity], result of:
0.2862863 = score(doc=3097,freq=2.0), product of:
0.30782345 = queryWeight, product of:
7.014756 = idf(docFreq=107, maxDocs=44218)
0.043882273 = queryNorm
0.93003404 = fieldWeight in 3097, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
7.014756 = idf(docFreq=107, maxDocs=44218)
0.09375 = fieldNorm(doc=3097)
0.5 = coord(1/2)
0.5 = coord(1/2)
-
Robertson, S.E.; Walker, S.; Beaulieu, M.: Laboratory experiments with Okapi : participation in the TREC programme (1997)
0.04
0.041750085 = product of:
0.08350017 = sum of:
0.08350017 = product of:
0.16700034 = sum of:
0.16700034 = weight(_text_:s.e in 2216) [ClassicSimilarity], result of:
0.16700034 = score(doc=2216,freq=2.0), product of:
0.30782345 = queryWeight, product of:
7.014756 = idf(docFreq=107, maxDocs=44218)
0.043882273 = queryNorm
0.54251987 = fieldWeight in 2216, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
7.014756 = idf(docFreq=107, maxDocs=44218)
0.0546875 = fieldNorm(doc=2216)
0.5 = coord(1/2)
0.5 = coord(1/2)
-
Information retrieval experiment (1981)
0.04
0.041750085 = product of:
0.08350017 = sum of:
0.08350017 = product of:
0.16700034 = sum of:
0.16700034 = weight(_text_:s.e in 2653) [ClassicSimilarity], result of:
0.16700034 = score(doc=2653,freq=2.0), product of:
0.30782345 = queryWeight, product of:
7.014756 = idf(docFreq=107, maxDocs=44218)
0.043882273 = queryNorm
0.54251987 = fieldWeight in 2653, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
7.014756 = idf(docFreq=107, maxDocs=44218)
0.0546875 = fieldNorm(doc=2653)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Content
- Enthält die Beiträge: ROBERTSON, S.E.: The methodology of information retrieval experiment; RIJSBERGEN, C.J. van: Retrieval effectiveness; BELKIN, N.: Ineffable concepts in information retrieval; TAGUE, J.M.: The pragmatics of information retrieval experimentation; LANCASTER, F.W.: Evaluation within the environment of an operating information service; BARRACLOUGH, E.D.: Opportunities for testing with online systems; KEEN, M.E.: Laboratory tests of manual systems; ODDY, R.N.: Laboratory tests: automatic systems; HEINE, M.D.: Simulation, and simulation experiments; COOPER, W.S.: Gedanken experimentation: an alternative to traditional system testing?; SPARCK JONES, K.: Actual tests - retrieval system tests; EVANS, L.: An experiment: search strategy variation in SDI profiles; SALTON, G.: The Smart environment for retrieval system evaluation - advantage and problem areas
-
Robertson, S.E.: ¬The parametric description of retrieval tests : Part I: The basic parameters (1969)
0.04
0.041750085 = product of:
0.08350017 = sum of:
0.08350017 = product of:
0.16700034 = sum of:
0.16700034 = weight(_text_:s.e in 4155) [ClassicSimilarity], result of:
0.16700034 = score(doc=4155,freq=2.0), product of:
0.30782345 = queryWeight, product of:
7.014756 = idf(docFreq=107, maxDocs=44218)
0.043882273 = queryNorm
0.54251987 = fieldWeight in 4155, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
7.014756 = idf(docFreq=107, maxDocs=44218)
0.0546875 = fieldNorm(doc=4155)
0.5 = coord(1/2)
0.5 = coord(1/2)
-
Robertson, S.E.: ¬The parametric description of retrieval tests : Part II: Overall measures (1969)
0.04
0.041750085 = product of:
0.08350017 = sum of:
0.08350017 = product of:
0.16700034 = sum of:
0.16700034 = weight(_text_:s.e in 4156) [ClassicSimilarity], result of:
0.16700034 = score(doc=4156,freq=2.0), product of:
0.30782345 = queryWeight, product of:
7.014756 = idf(docFreq=107, maxDocs=44218)
0.043882273 = queryNorm
0.54251987 = fieldWeight in 4156, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
7.014756 = idf(docFreq=107, maxDocs=44218)
0.0546875 = fieldNorm(doc=4156)
0.5 = coord(1/2)
0.5 = coord(1/2)
-
Robertson, S.E.; Walker, S.; Hancock-Beaulieu, M.M.: Large test collection experiments of an operational, interactive system : OKAPI at TREC (1995)
0.04
0.041750085 = product of:
0.08350017 = sum of:
0.08350017 = product of:
0.16700034 = sum of:
0.16700034 = weight(_text_:s.e in 6964) [ClassicSimilarity], result of:
0.16700034 = score(doc=6964,freq=2.0), product of:
0.30782345 = queryWeight, product of:
7.014756 = idf(docFreq=107, maxDocs=44218)
0.043882273 = queryNorm
0.54251987 = fieldWeight in 6964, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
7.014756 = idf(docFreq=107, maxDocs=44218)
0.0546875 = fieldNorm(doc=6964)
0.5 = coord(1/2)
0.5 = coord(1/2)
-
Robertson, S.E.; Sparck Jones, K.: Simple, proven approaches to text retrieval (1997)
0.03
0.029821489 = product of:
0.059642978 = sum of:
0.059642978 = product of:
0.119285956 = sum of:
0.119285956 = weight(_text_:s.e in 4532) [ClassicSimilarity], result of:
0.119285956 = score(doc=4532,freq=2.0), product of:
0.30782345 = queryWeight, product of:
7.014756 = idf(docFreq=107, maxDocs=44218)
0.043882273 = queryNorm
0.3875142 = fieldWeight in 4532, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
7.014756 = idf(docFreq=107, maxDocs=44218)
0.0390625 = fieldNorm(doc=4532)
0.5 = coord(1/2)
0.5 = coord(1/2)
-
Fuhr, N.; Niewelt, B.: ¬Ein Retrievaltest mit automatisch indexierten Dokumenten (1984)
0.02
0.020809047 = product of:
0.041618094 = sum of:
0.041618094 = product of:
0.08323619 = sum of:
0.08323619 = weight(_text_:22 in 262) [ClassicSimilarity], result of:
0.08323619 = score(doc=262,freq=2.0), product of:
0.15366824 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.043882273 = queryNorm
0.5416616 = fieldWeight in 262, 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=262)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Date
- 20.10.2000 12:22:23
-
Tomaiuolo, N.G.; Parker, J.: Maximizing relevant retrieval : keyword and natural language searching (1998)
0.02
0.020809047 = product of:
0.041618094 = sum of:
0.041618094 = product of:
0.08323619 = sum of:
0.08323619 = weight(_text_:22 in 6418) [ClassicSimilarity], result of:
0.08323619 = score(doc=6418,freq=2.0), product of:
0.15366824 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.043882273 = queryNorm
0.5416616 = fieldWeight in 6418, 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=6418)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- Online. 22(1998) no.6, S.57-58
-
Voorhees, E.M.; Harman, D.: Overview of the Sixth Text REtrieval Conference (TREC-6) (2000)
0.02
0.020809047 = product of:
0.041618094 = sum of:
0.041618094 = product of:
0.08323619 = sum of:
0.08323619 = weight(_text_:22 in 6438) [ClassicSimilarity], result of:
0.08323619 = score(doc=6438,freq=2.0), product of:
0.15366824 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.043882273 = queryNorm
0.5416616 = fieldWeight in 6438, 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=6438)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Date
- 11. 8.2001 16:22:19
-
Dalrymple, P.W.: Retrieval by reformulation in two library catalogs : toward a cognitive model of searching behavior (1990)
0.02
0.020809047 = product of:
0.041618094 = sum of:
0.041618094 = product of:
0.08323619 = sum of:
0.08323619 = weight(_text_:22 in 5089) [ClassicSimilarity], result of:
0.08323619 = score(doc=5089,freq=2.0), product of:
0.15366824 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.043882273 = queryNorm
0.5416616 = fieldWeight in 5089, 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=5089)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Date
- 22. 7.2006 18:43:54
-
Allan, J.; Callan, J.P.; Croft, W.B.; Ballesteros, L.; Broglio, J.; Xu, J.; Shu, H.: INQUERY at TREC-5 (1997)
0.01
0.014863606 = product of:
0.029727211 = sum of:
0.029727211 = product of:
0.059454422 = sum of:
0.059454422 = weight(_text_:22 in 3103) [ClassicSimilarity], result of:
0.059454422 = score(doc=3103,freq=2.0), product of:
0.15366824 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.043882273 = queryNorm
0.38690117 = fieldWeight in 3103, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.078125 = fieldNorm(doc=3103)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Date
- 27. 2.1999 20:55:22
-
Ng, K.B.; Loewenstern, D.; Basu, C.; Hirsh, H.; Kantor, P.B.: Data fusion of machine-learning methods for the TREC5 routing tak (and other work) (1997)
0.01
0.014863606 = product of:
0.029727211 = sum of:
0.029727211 = product of:
0.059454422 = sum of:
0.059454422 = weight(_text_:22 in 3107) [ClassicSimilarity], result of:
0.059454422 = score(doc=3107,freq=2.0), product of:
0.15366824 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.043882273 = queryNorm
0.38690117 = fieldWeight in 3107, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.078125 = fieldNorm(doc=3107)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Date
- 27. 2.1999 20:59:22
-
Saracevic, T.: On a method for studying the structure and nature of requests in information retrieval (1983)
0.01
0.014863606 = product of:
0.029727211 = sum of:
0.029727211 = product of:
0.059454422 = sum of:
0.059454422 = weight(_text_:22 in 2417) [ClassicSimilarity], result of:
0.059454422 = score(doc=2417,freq=2.0), product of:
0.15366824 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.043882273 = queryNorm
0.38690117 = fieldWeight in 2417, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.078125 = fieldNorm(doc=2417)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Pages
- S.22-25
-
Rijsbergen, C.J. van: ¬A test for the separation of relevant and non-relevant documents in experimental retrieval collections (1973)
0.01
0.0118908845 = product of:
0.023781769 = sum of:
0.023781769 = product of:
0.047563538 = sum of:
0.047563538 = weight(_text_:22 in 5002) [ClassicSimilarity], result of:
0.047563538 = score(doc=5002,freq=2.0), product of:
0.15366824 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.043882273 = queryNorm
0.30952093 = fieldWeight in 5002, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.0625 = fieldNorm(doc=5002)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Date
- 19. 3.1996 11:22:12
-
Sanderson, M.: ¬The Reuters test collection (1996)
0.01
0.0118908845 = product of:
0.023781769 = sum of:
0.023781769 = product of:
0.047563538 = sum of:
0.047563538 = weight(_text_:22 in 6971) [ClassicSimilarity], result of:
0.047563538 = score(doc=6971,freq=2.0), product of:
0.15366824 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.043882273 = queryNorm
0.30952093 = fieldWeight in 6971, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.0625 = fieldNorm(doc=6971)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- Information retrieval: new systems and current research. Proceedings of the 16th Research Colloquium of the British Computer Society Information Retrieval Specialist Group, Drymen, Scotland, 22-23 Mar 94. Ed.: R. Leon
-
Lespinasse, K.: TREC: une conference pour l'evaluation des systemes de recherche d'information (1997)
0.01
0.0118908845 = product of:
0.023781769 = sum of:
0.023781769 = product of:
0.047563538 = sum of:
0.047563538 = weight(_text_:22 in 744) [ClassicSimilarity], result of:
0.047563538 = score(doc=744,freq=2.0), product of:
0.15366824 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.043882273 = queryNorm
0.30952093 = fieldWeight in 744, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.0625 = fieldNorm(doc=744)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Date
- 1. 8.1996 22:01:00