-
MacLeod, R.: Promoting a subject gateway : a case study from EEVL (Edinburgh Engineering Virtual Library) (2000)
0.02
0.024477057 = product of:
0.048954114 = sum of:
0.048954114 = product of:
0.09790823 = sum of:
0.09790823 = weight(_text_:22 in 4872) [ClassicSimilarity], result of:
0.09790823 = score(doc=4872,freq=4.0), product of:
0.17893866 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.05109862 = queryNorm
0.54716086 = fieldWeight in 4872, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.078125 = fieldNorm(doc=4872)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Date
- 22. 6.2002 19:40:22
-
Lim, E.: Southeast Asian subject gateways : an examination of their classification practices (2000)
0.02
0.020769471 = product of:
0.041538943 = sum of:
0.041538943 = product of:
0.083077885 = sum of:
0.083077885 = weight(_text_:22 in 6040) [ClassicSimilarity], result of:
0.083077885 = score(doc=6040,freq=2.0), product of:
0.17893866 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.05109862 = queryNorm
0.46428138 = fieldWeight in 6040, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.09375 = fieldNorm(doc=6040)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Date
- 22. 6.2002 19:42:47
-
Mayr, P.; Mutschke, P.; Petras, V.: Reducing semantic complexity in distributed digital libraries : Treatment of term vagueness and document re-ranking (2008)
0.02
0.017791625 = product of:
0.03558325 = sum of:
0.03558325 = product of:
0.0711665 = sum of:
0.0711665 = weight(_text_:journals in 1909) [ClassicSimilarity], result of:
0.0711665 = score(doc=1909,freq=2.0), product of:
0.25656942 = queryWeight, product of:
5.021064 = idf(docFreq=792, maxDocs=44218)
0.05109862 = queryNorm
0.2773772 = fieldWeight in 1909, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
5.021064 = idf(docFreq=792, maxDocs=44218)
0.0390625 = fieldNorm(doc=1909)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Abstract
- Purpose - The general science portal "vascoda" merges structured, high-quality information collections from more than 40 providers on the basis of search engine technology (FAST) and a concept which treats semantic heterogeneity between different controlled vocabularies. First experiences with the portal show some weaknesses of this approach which come out in most metadata-driven Digital Libraries (DLs) or subject specific portals. The purpose of the paper is to propose models to reduce the semantic complexity in heterogeneous DLs. The aim is to introduce value-added services (treatment of term vagueness and document re-ranking) that gain a certain quality in DLs if they are combined with heterogeneity components established in the project "Competence Center Modeling and Treatment of Semantic Heterogeneity". Design/methodology/approach - Two methods, which are derived from scientometrics and network analysis, will be implemented with the objective to re-rank result sets by the following structural properties: the ranking of the results by core journals (so-called Bradfordizing) and ranking by centrality of authors in co-authorship networks. Findings - The methods, which will be implemented, focus on the query and on the result side of a search and are designed to positively influence each other. Conceptually, they will improve the search quality and guarantee that the most relevant documents in result sets will be ranked higher. Originality/value - The central impact of the paper focuses on the integration of three structural value-adding methods, which aim at reducing the semantic complexity represented in distributed DLs at several stages in the information retrieval process: query construction, search and ranking and re-ranking.
-
Price, A.: Five new Danish subject gateways under development (2000)
0.02
0.017307894 = product of:
0.03461579 = sum of:
0.03461579 = product of:
0.06923158 = sum of:
0.06923158 = weight(_text_:22 in 4878) [ClassicSimilarity], result of:
0.06923158 = score(doc=4878,freq=2.0), product of:
0.17893866 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.05109862 = queryNorm
0.38690117 = fieldWeight in 4878, 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=4878)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Date
- 22. 6.2002 19:41:31
-
Hjoerland, B.: ¬The methodology of constructing classification schemes : a discussion of the state-of-the-art (2003)
0.01
0.014233301 = product of:
0.028466603 = sum of:
0.028466603 = product of:
0.056933206 = sum of:
0.056933206 = weight(_text_:journals in 2760) [ClassicSimilarity], result of:
0.056933206 = score(doc=2760,freq=2.0), product of:
0.25656942 = queryWeight, product of:
5.021064 = idf(docFreq=792, maxDocs=44218)
0.05109862 = queryNorm
0.22190176 = fieldWeight in 2760, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
5.021064 = idf(docFreq=792, maxDocs=44218)
0.03125 = fieldNorm(doc=2760)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Abstract
- Special classifications have been somewhat neglected in KO compared to general classifications. The methodology of constructing special classifications is important, however, also for the methodology of constructing general classification schemes. The methodology of constructing special classifications can be regarded as one among about a dozen approaches to domain analysis. The methodology of (special) classification in LIS has been dominated by the rationalistic facet-analytic tradition, which, however, neglects the question of the empirical basis of classification. The empirical basis is much better grasped by, for example, bibliometric methods. Even the combination of rational and empirical methods is insufficient. This presentation will provide evidence for the necessity of historical and pragmatic methods for the methodology of classification and will point to the necessity of analyzing "paradigms". The presentation covers the methods of constructing classifications from Ranganathan to the design of ontologies in computer science and further to the recent "paradigm shift" in classification research. 1. Introduction Classification of a subject field is one among about eleven approaches to analyzing a domain that are specific for information science and in my opinion define the special competencies of information specialists (Hjoerland, 2002a). Classification and knowledge organization are commonly regarded as core qualifications of librarians and information specialists. Seen from this perspective one expects a firm methodological basis for the field. This paper tries to explore the state-of-the-art conceming the methodology of classification. 2. Classification: Science or non-science? As it is part of the curriculum at universities and subject in scientific journals and conferences like ISKO, orte expects classification/knowledge organization to be a scientific or scholarly activity and a scientific field. However, very often when information specialists classify or index documents and when they revise classification system, the methods seem to be rather ad hoc. Research libraries or scientific databases may employ people with adequate subject knowledge. When information scientists construct or evaluate systems, they very often elicit the knowledge from "experts" (Hjorland, 2002b, p. 260). Mostly no specific arguments are provided for the specific decisions in these processes.
-
Gardner, T.; Iannella, R.: Architecture and software solutions (2000)
0.01
0.0138463145 = product of:
0.027692629 = sum of:
0.027692629 = product of:
0.055385258 = sum of:
0.055385258 = weight(_text_:22 in 4867) [ClassicSimilarity], result of:
0.055385258 = score(doc=4867,freq=2.0), product of:
0.17893866 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.05109862 = queryNorm
0.30952093 = fieldWeight in 4867, 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=4867)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Date
- 22. 6.2002 19:38:24
-
Peereboom, M.: DutchESS : Dutch Electronic Subject Service - a Dutch national collaborative effort (2000)
0.01
0.0138463145 = product of:
0.027692629 = sum of:
0.027692629 = product of:
0.055385258 = sum of:
0.055385258 = weight(_text_:22 in 4869) [ClassicSimilarity], result of:
0.055385258 = score(doc=4869,freq=2.0), product of:
0.17893866 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.05109862 = queryNorm
0.30952093 = fieldWeight in 4869, 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=4869)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Date
- 22. 6.2002 19:39:23
-
Campbell, D.: Australian subject gateways : political and strategic issues (2000)
0.01
0.0138463145 = product of:
0.027692629 = sum of:
0.027692629 = product of:
0.055385258 = sum of:
0.055385258 = weight(_text_:22 in 4875) [ClassicSimilarity], result of:
0.055385258 = score(doc=4875,freq=2.0), product of:
0.17893866 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.05109862 = queryNorm
0.30952093 = fieldWeight in 4875, 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=4875)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Date
- 22. 6.2002 19:41:16
-
Dempsey, L.: ¬The subject gateway : experiences and issues based on the emergence of the Resource Discovery Network (2000)
0.01
0.0138463145 = product of:
0.027692629 = sum of:
0.027692629 = product of:
0.055385258 = sum of:
0.055385258 = weight(_text_:22 in 628) [ClassicSimilarity], result of:
0.055385258 = score(doc=628,freq=2.0), product of:
0.17893866 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.05109862 = queryNorm
0.30952093 = fieldWeight in 628, 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=628)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Date
- 22. 6.2002 19:36:13
-
Kaizik, A.; Gödert, W.; Milanesi, C.: Erfahrungen und Ergebnisse aus der Evaluierung des EU-Projektes EULER im Rahmen des an der FH Köln angesiedelten Projektes EJECT (Evaluation von Subject Gateways des World Wide Web (2001)
0.01
0.012238529 = product of:
0.024477057 = sum of:
0.024477057 = product of:
0.048954114 = sum of:
0.048954114 = weight(_text_:22 in 5801) [ClassicSimilarity], result of:
0.048954114 = score(doc=5801,freq=4.0), product of:
0.17893866 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.05109862 = queryNorm
0.27358043 = fieldWeight in 5801, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.0390625 = fieldNorm(doc=5801)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Date
- 22. 6.2002 19:42:22
-
Heery, R.: Information gateways : collaboration and content (2000)
0.01
0.012115525 = product of:
0.02423105 = sum of:
0.02423105 = product of:
0.0484621 = sum of:
0.0484621 = weight(_text_:22 in 4866) [ClassicSimilarity], result of:
0.0484621 = score(doc=4866,freq=2.0), product of:
0.17893866 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.05109862 = queryNorm
0.2708308 = fieldWeight in 4866, 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=4866)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Date
- 22. 6.2002 19:38:54
-
Price, A.: NOVAGate : a Nordic gateway to electronic resources in the forestry, veterinary and agricultural sciences (2000)
0.01
0.012115525 = product of:
0.02423105 = sum of:
0.02423105 = product of:
0.0484621 = sum of:
0.0484621 = weight(_text_:22 in 4874) [ClassicSimilarity], result of:
0.0484621 = score(doc=4874,freq=2.0), product of:
0.17893866 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.05109862 = queryNorm
0.2708308 = fieldWeight in 4874, 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=4874)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Date
- 22. 6.2002 19:41:00
-
Koch, T.: Quality-controlled subject gateways : definitions, typologies, empirical overview (2000)
0.01
0.012115525 = product of:
0.02423105 = sum of:
0.02423105 = product of:
0.0484621 = sum of:
0.0484621 = weight(_text_:22 in 631) [ClassicSimilarity], result of:
0.0484621 = score(doc=631,freq=2.0), product of:
0.17893866 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.05109862 = queryNorm
0.2708308 = fieldWeight in 631, 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=631)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Date
- 22. 6.2002 19:37:55
-
Mitchell, S.; Mason, J.; Pender, L.: Enabling technologies and service designs for collaborative Internet collection building (2004)
0.01
0.012115525 = product of:
0.02423105 = sum of:
0.02423105 = product of:
0.0484621 = sum of:
0.0484621 = weight(_text_:22 in 2276) [ClassicSimilarity], result of:
0.0484621 = score(doc=2276,freq=2.0), product of:
0.17893866 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.05109862 = queryNorm
0.2708308 = fieldWeight in 2276, 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=2276)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- Library hi tech. 22(2004) no.3, S.295-306
-
Cervone, F.: Library portals and gateways (2009)
0.01
0.012115525 = product of:
0.02423105 = sum of:
0.02423105 = product of:
0.0484621 = sum of:
0.0484621 = weight(_text_:22 in 3839) [ClassicSimilarity], result of:
0.0484621 = score(doc=3839,freq=2.0), product of:
0.17893866 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.05109862 = queryNorm
0.2708308 = fieldWeight in 3839, 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=3839)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Date
- 27. 8.2011 14:22:27
-
Fischer, T.; Neuroth, H.: SSG-FI - special subject gateways to high quality Internet resources for scientific users (2000)
0.01
0.010384736 = product of:
0.020769471 = sum of:
0.020769471 = product of:
0.041538943 = sum of:
0.041538943 = weight(_text_:22 in 4873) [ClassicSimilarity], result of:
0.041538943 = score(doc=4873,freq=2.0), product of:
0.17893866 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.05109862 = queryNorm
0.23214069 = fieldWeight in 4873, 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=4873)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Date
- 22. 6.2002 19:40:42
-
Neuroth, H.; Lepschy, P.: ¬Das EU-Projekt Renardus (2001)
0.01
0.010384736 = product of:
0.020769471 = sum of:
0.020769471 = product of:
0.041538943 = sum of:
0.041538943 = weight(_text_:22 in 5589) [ClassicSimilarity], result of:
0.041538943 = score(doc=5589,freq=2.0), product of:
0.17893866 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.05109862 = queryNorm
0.23214069 = fieldWeight in 5589, 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=5589)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Date
- 22. 6.2002 19:32:15
-
Meiert, M.: Elektronische Publikationen an Hochschulen : Modellierung des elektronischen Publikationsprozesses am Beispiel der Universität Hildesheim (2006)
0.01
0.010384736 = product of:
0.020769471 = sum of:
0.020769471 = product of:
0.041538943 = sum of:
0.041538943 = weight(_text_:22 in 5974) [ClassicSimilarity], result of:
0.041538943 = score(doc=5974,freq=2.0), product of:
0.17893866 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.05109862 = queryNorm
0.23214069 = fieldWeight in 5974, 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=5974)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Date
- 1. 9.2006 13:22:15
-
Woldering, B.: Europeana - mehrsprachiger Zugang zu Europas digitalem Kulturerbe (2008)
0.01
0.010384736 = product of:
0.020769471 = sum of:
0.020769471 = product of:
0.041538943 = sum of:
0.041538943 = weight(_text_:22 in 2199) [ClassicSimilarity], result of:
0.041538943 = score(doc=2199,freq=2.0), product of:
0.17893866 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.05109862 = queryNorm
0.23214069 = fieldWeight in 2199, 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=2199)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Date
- 22. 2.2009 19:11:35
-
Neuroth, H.; Pianos, T.: VASCODA: a German scientific portal for cross-searching distributed digital resource collections (2003)
0.01
0.010384736 = product of:
0.020769471 = sum of:
0.020769471 = product of:
0.041538943 = sum of:
0.041538943 = weight(_text_:22 in 2420) [ClassicSimilarity], result of:
0.041538943 = score(doc=2420,freq=2.0), product of:
0.17893866 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.05109862 = queryNorm
0.23214069 = fieldWeight in 2420, 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=2420)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- Research and advanced technology for digital libraries : 7th European Conference, proceedings / ECDL 2003, Trondheim, Norway, August 17-22, 2003
