-
Koch, T.: Experiments with automatic classification of WAIS databases and indexing of WWW : some results from the Nordic WAIS/WWW project (1994)
0.03
0.033999145 = product of:
0.11899701 = sum of:
0.06362897 = weight(_text_:wide in 7209) [ClassicSimilarity], result of:
0.06362897 = score(doc=7209,freq=4.0), product of:
0.1312982 = queryWeight, product of:
4.4307585 = idf(docFreq=1430, maxDocs=44218)
0.029633347 = queryNorm
0.4846142 = fieldWeight in 7209, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
4.4307585 = idf(docFreq=1430, maxDocs=44218)
0.0546875 = fieldNorm(doc=7209)
0.024409214 = weight(_text_:web in 7209) [ClassicSimilarity], result of:
0.024409214 = score(doc=7209,freq=2.0), product of:
0.09670874 = queryWeight, product of:
3.2635105 = idf(docFreq=4597, maxDocs=44218)
0.029633347 = queryNorm
0.25239927 = fieldWeight in 7209, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.2635105 = idf(docFreq=4597, maxDocs=44218)
0.0546875 = fieldNorm(doc=7209)
0.009988253 = weight(_text_:information in 7209) [ClassicSimilarity], result of:
0.009988253 = score(doc=7209,freq=4.0), product of:
0.052020688 = queryWeight, product of:
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.029633347 = queryNorm
0.1920054 = fieldWeight in 7209, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.0546875 = fieldNorm(doc=7209)
0.020970564 = weight(_text_:retrieval in 7209) [ClassicSimilarity], result of:
0.020970564 = score(doc=7209,freq=2.0), product of:
0.08963835 = queryWeight, product of:
3.024915 = idf(docFreq=5836, maxDocs=44218)
0.029633347 = queryNorm
0.23394634 = fieldWeight in 7209, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.024915 = idf(docFreq=5836, maxDocs=44218)
0.0546875 = fieldNorm(doc=7209)
0.2857143 = coord(4/14)
- Abstract
- The Nordic WAIS/WWW project sponsored by NORDINFO is a joint project between Lund University Library and the National Technological Library of Denmark. It aims to improve the existing networked information discovery and retrieval tools Wide Area Information System (WAIS) and World Wide Web (WWW), and to move towards unifying WWW and WAIS. Details current results focusing on the WAIS side of the project. Describes research into automatic indexing and classification of WAIS sources, development of an orientation tool for WAIS, and development of a WAIS index of WWW resources
-
Koch, T.; Ardö, A.; Falcoz, F.; Nielsen, M.; Dandfær, M.: Improving resource discovery and retrieval on the Internet : the Nordic WAIS/World Wide Web Project and the classification of WAIS databases (1995)
0.03
0.030324046 = product of:
0.14151222 = sum of:
0.06427497 = weight(_text_:wide in 3370) [ClassicSimilarity], result of:
0.06427497 = score(doc=3370,freq=2.0), product of:
0.1312982 = queryWeight, product of:
4.4307585 = idf(docFreq=1430, maxDocs=44218)
0.029633347 = queryNorm
0.48953426 = fieldWeight in 3370, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
4.4307585 = idf(docFreq=1430, maxDocs=44218)
0.078125 = fieldNorm(doc=3370)
0.034870304 = weight(_text_:web in 3370) [ClassicSimilarity], result of:
0.034870304 = score(doc=3370,freq=2.0), product of:
0.09670874 = queryWeight, product of:
3.2635105 = idf(docFreq=4597, maxDocs=44218)
0.029633347 = queryNorm
0.36057037 = fieldWeight in 3370, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.2635105 = idf(docFreq=4597, maxDocs=44218)
0.078125 = fieldNorm(doc=3370)
0.042366937 = weight(_text_:retrieval in 3370) [ClassicSimilarity], result of:
0.042366937 = score(doc=3370,freq=4.0), product of:
0.08963835 = queryWeight, product of:
3.024915 = idf(docFreq=5836, maxDocs=44218)
0.029633347 = queryNorm
0.47264296 = fieldWeight in 3370, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
3.024915 = idf(docFreq=5836, maxDocs=44218)
0.078125 = fieldNorm(doc=3370)
0.21428572 = coord(3/14)
- Source
- Wissen in elektronischen Netzwerken: Strukturierung, Erschließung und Retrieval von Informationsressourcen im Internet. Eine Auswahl von Vorträgen der 19. Jahrestagung der Gesellschaft für Klassifikation, Basel 1995. Hrsg.: H.-C. Hobohm u. H.-J. Wätjen
-
Ardö, A.; Koch, T.: Lunds Universitets Elektroniska Bibliotek : Del.2: Gopher, World Wide Web (WWW). Planerade projekt (1993)
0.02
0.019829055 = product of:
0.13880338 = sum of:
0.08998495 = weight(_text_:wide in 6001) [ClassicSimilarity], result of:
0.08998495 = score(doc=6001,freq=2.0), product of:
0.1312982 = queryWeight, product of:
4.4307585 = idf(docFreq=1430, maxDocs=44218)
0.029633347 = queryNorm
0.685348 = fieldWeight in 6001, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
4.4307585 = idf(docFreq=1430, maxDocs=44218)
0.109375 = fieldNorm(doc=6001)
0.048818428 = weight(_text_:web in 6001) [ClassicSimilarity], result of:
0.048818428 = score(doc=6001,freq=2.0), product of:
0.09670874 = queryWeight, product of:
3.2635105 = idf(docFreq=4597, maxDocs=44218)
0.029633347 = queryNorm
0.50479853 = fieldWeight in 6001, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.2635105 = idf(docFreq=4597, maxDocs=44218)
0.109375 = fieldNorm(doc=6001)
0.14285715 = coord(2/14)
-
Ardö, A.; Koch, T.: Wide-area information server (WAIS) as the hub of an electronic library service at Lund University (1993)
0.01
0.009520959 = product of:
0.06664671 = sum of:
0.054539118 = weight(_text_:wide in 8459) [ClassicSimilarity], result of:
0.054539118 = score(doc=8459,freq=4.0), product of:
0.1312982 = queryWeight, product of:
4.4307585 = idf(docFreq=1430, maxDocs=44218)
0.029633347 = queryNorm
0.4153836 = fieldWeight in 8459, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
4.4307585 = idf(docFreq=1430, maxDocs=44218)
0.046875 = fieldNorm(doc=8459)
0.012107591 = weight(_text_:information in 8459) [ClassicSimilarity], result of:
0.012107591 = score(doc=8459,freq=8.0), product of:
0.052020688 = queryWeight, product of:
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.029633347 = queryNorm
0.23274569 = fieldWeight in 8459, product of:
2.828427 = tf(freq=8.0), with freq of:
8.0 = termFreq=8.0
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.046875 = fieldNorm(doc=8459)
0.14285715 = coord(2/14)
- Abstract
- Electronic information sources are being collected at the Lund University Library within the areas of computer science, Internet use and environmental studies. Within each area there are several different types of sources e.g. the environment area has bibliographic information, journal content pages, a local directory database on environmental related research projects and an archive of articles from relevant electronic conferences. A seed-bank database is planned in collaboration with the Nordic Gene Bank. The popularity of the wide area information server is growing and there are several hundred available sources today, however, improvements need to be done with the possibilities to select sources and in the search and relevance-ranking algorithms
-
Koch, T.: Searching the Web : systematic overview over indexes (1995)
0.01
0.00926118 = product of:
0.064828254 = sum of:
0.034870304 = weight(_text_:web in 3205) [ClassicSimilarity], result of:
0.034870304 = score(doc=3205,freq=2.0), product of:
0.09670874 = queryWeight, product of:
3.2635105 = idf(docFreq=4597, maxDocs=44218)
0.029633347 = queryNorm
0.36057037 = fieldWeight in 3205, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.2635105 = idf(docFreq=4597, maxDocs=44218)
0.078125 = fieldNorm(doc=3205)
0.029957948 = weight(_text_:retrieval in 3205) [ClassicSimilarity], result of:
0.029957948 = score(doc=3205,freq=2.0), product of:
0.08963835 = queryWeight, product of:
3.024915 = idf(docFreq=5836, maxDocs=44218)
0.029633347 = queryNorm
0.33420905 = fieldWeight in 3205, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.024915 = idf(docFreq=5836, maxDocs=44218)
0.078125 = fieldNorm(doc=3205)
0.14285715 = coord(2/14)
- Source
- Wissen in elektronischen Netzwerken: Strukturierung, Erschließung und Retrieval von Informationsressourcen im Internet. Eine Auswahl von Vorträgen der 19. Jahrestagung der Gesellschaft für Klassifikation, Basel 1995. Hrsg.: H.-C. Hobohm u. H.-J. Wätjen
-
Koch, T.; Seiffert, F.; Wätjen, H.-J.: Informationen im Web anbieten und wiederfinden (1998)
0.01
0.009005572 = product of:
0.063039 = sum of:
0.024409214 = weight(_text_:web in 1840) [ClassicSimilarity], result of:
0.024409214 = score(doc=1840,freq=2.0), product of:
0.09670874 = queryWeight, product of:
3.2635105 = idf(docFreq=4597, maxDocs=44218)
0.029633347 = queryNorm
0.25239927 = fieldWeight in 1840, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.2635105 = idf(docFreq=4597, maxDocs=44218)
0.0546875 = fieldNorm(doc=1840)
0.038629785 = weight(_text_:bibliothek in 1840) [ClassicSimilarity], result of:
0.038629785 = score(doc=1840,freq=2.0), product of:
0.121660605 = queryWeight, product of:
4.1055303 = idf(docFreq=1980, maxDocs=44218)
0.029633347 = queryNorm
0.31752092 = fieldWeight in 1840, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
4.1055303 = idf(docFreq=1980, maxDocs=44218)
0.0546875 = fieldNorm(doc=1840)
0.14285715 = coord(2/14)
- Source
- Weiter auf dem Weg zur virtuellen Bibliothek! Kundenservice zwischen Quantität und Qualität. 3. INETBIB-Tagung vom 4.-6. März 1998 in Köln. 2., erw. Aufl. Hrsg.: B. Jedwabski u. J. Nowak
-
Koch, T.; Golub, K.; Ardö, A.: Users browsing behaviour in a DDC-based Web service : a log analysis (2006)
0.01
0.008545591 = product of:
0.059819132 = sum of:
0.041844364 = weight(_text_:web in 2234) [ClassicSimilarity], result of:
0.041844364 = score(doc=2234,freq=8.0), product of:
0.09670874 = queryWeight, product of:
3.2635105 = idf(docFreq=4597, maxDocs=44218)
0.029633347 = queryNorm
0.43268442 = fieldWeight in 2234, product of:
2.828427 = tf(freq=8.0), with freq of:
8.0 = termFreq=8.0
3.2635105 = idf(docFreq=4597, maxDocs=44218)
0.046875 = fieldNorm(doc=2234)
0.01797477 = weight(_text_:retrieval in 2234) [ClassicSimilarity], result of:
0.01797477 = score(doc=2234,freq=2.0), product of:
0.08963835 = queryWeight, product of:
3.024915 = idf(docFreq=5836, maxDocs=44218)
0.029633347 = queryNorm
0.20052543 = fieldWeight in 2234, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.024915 = idf(docFreq=5836, maxDocs=44218)
0.046875 = fieldNorm(doc=2234)
0.14285715 = coord(2/14)
- Abstract
- This study explores the navigation behaviour of all users of a large web service, Renardus, using web log analysis. Renardus provides integrated searching and browsing access to quality-controlled web resources from major individual subject gateway services. The main navigation feature is subject browsing through the Dewey Decimal Classification (DDC) based on mapping of classes of resources from the distributed gateways to the DDC structure. Among the more surprising results are the hugely dominant share of browsing activities, the good use of browsing support features like the graphical fish-eye overviews, rather long and varied navigation sequences, as well as extensive hierarchical directory-style browsing through the large DDC system.
- Theme
- Klassifikationssysteme im Online-Retrieval
-
Koch, T.; Vizine-Goetz, D.: DDC and knowledge organization in the digital library : Research and development. Demonstration pages (1999)
0.01
0.0072980025 = product of:
0.051086016 = sum of:
0.033111244 = weight(_text_:bibliothek in 942) [ClassicSimilarity], result of:
0.033111244 = score(doc=942,freq=2.0), product of:
0.121660605 = queryWeight, product of:
4.1055303 = idf(docFreq=1980, maxDocs=44218)
0.029633347 = queryNorm
0.27216077 = fieldWeight in 942, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
4.1055303 = idf(docFreq=1980, maxDocs=44218)
0.046875 = fieldNorm(doc=942)
0.01797477 = weight(_text_:retrieval in 942) [ClassicSimilarity], result of:
0.01797477 = score(doc=942,freq=2.0), product of:
0.08963835 = queryWeight, product of:
3.024915 = idf(docFreq=5836, maxDocs=44218)
0.029633347 = queryNorm
0.20052543 = fieldWeight in 942, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.024915 = idf(docFreq=5836, maxDocs=44218)
0.046875 = fieldNorm(doc=942)
0.14285715 = coord(2/14)
- Footnote
- Vortrag anläßlich des Workshops am 21.10.1999, Deutsche Bibliothek, Frankfurt/M.
- Theme
- Klassifikationssysteme im Online-Retrieval
-
Koch, T.: Information mapping : a glimpse at the future (1993)
0.01
0.007162467 = product of:
0.050137267 = sum of:
0.020179318 = weight(_text_:information in 4351) [ClassicSimilarity], result of:
0.020179318 = score(doc=4351,freq=8.0), product of:
0.052020688 = queryWeight, product of:
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.029633347 = queryNorm
0.38790947 = fieldWeight in 4351, product of:
2.828427 = tf(freq=8.0), with freq of:
8.0 = termFreq=8.0
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.078125 = fieldNorm(doc=4351)
0.029957948 = weight(_text_:retrieval in 4351) [ClassicSimilarity], result of:
0.029957948 = score(doc=4351,freq=2.0), product of:
0.08963835 = queryWeight, product of:
3.024915 = idf(docFreq=5836, maxDocs=44218)
0.029633347 = queryNorm
0.33420905 = fieldWeight in 4351, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.024915 = idf(docFreq=5836, maxDocs=44218)
0.078125 = fieldNorm(doc=4351)
0.14285715 = coord(2/14)
- Abstract
- Suggests information mapping as a technique that may be applied to online information retrieval to yield information rather than just data. The technique is illustrated using the example of subject areas in the field of health care
-
Koch, T.: Navigieren und Information Retrieval im Internet (1994)
0.01
0.00683917 = product of:
0.04787419 = sum of:
0.013980643 = weight(_text_:information in 92) [ClassicSimilarity], result of:
0.013980643 = score(doc=92,freq=6.0), product of:
0.052020688 = queryWeight, product of:
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.029633347 = queryNorm
0.2687516 = fieldWeight in 92, product of:
2.4494898 = tf(freq=6.0), with freq of:
6.0 = termFreq=6.0
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.0625 = fieldNorm(doc=92)
0.033893548 = weight(_text_:retrieval in 92) [ClassicSimilarity], result of:
0.033893548 = score(doc=92,freq=4.0), product of:
0.08963835 = queryWeight, product of:
3.024915 = idf(docFreq=5836, maxDocs=44218)
0.029633347 = queryNorm
0.37811437 = fieldWeight in 92, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
3.024915 = idf(docFreq=5836, maxDocs=44218)
0.0625 = fieldNorm(doc=92)
0.14285715 = coord(2/14)
- Abstract
- Die verschiedenen Methoden und Instrumente des Navigierens bzw. des Information Retrieval im Internet werden anhand von Beispielen im Überblick vorgestellt. Der Schwerpunkt liegt dabei auf den drei verbreitesten Werkzeugen Gopher, WWW und WAIS. Schwächen un Defizite werden aus der Sicht des Endnutzers analysiert und einige notwendige bzw. wünschenswerte Verbesserungen benannt. Einige Initiativen und Vorschläge zur Weiterentwicklung der Werkzeuge im Netz, teilweise angeregt von einem Blick auf Navigierungs- und Retrievalinstrumente aus Forschung und Entwicklung werden beschrieben
- Source
- Information und Medienvielfalt: 16. Online-Tagung der DGD, Frankfurt am Main, 17.-19.5.1994. Proceedings. Hrsg.: W. Neubauer u. R. Schmidt
-
Koch, T.; Neuroth, H.; Day, M.: Renardus: Cross-browsing European subject gateways via a common classification system (DDC) (2003)
0.01
0.006715708 = product of:
0.03133997 = sum of:
0.012204607 = weight(_text_:web in 3821) [ClassicSimilarity], result of:
0.012204607 = score(doc=3821,freq=2.0), product of:
0.09670874 = queryWeight, product of:
3.2635105 = idf(docFreq=4597, maxDocs=44218)
0.029633347 = queryNorm
0.12619963 = fieldWeight in 3821, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.2635105 = idf(docFreq=4597, maxDocs=44218)
0.02734375 = fieldNorm(doc=3821)
0.00865008 = weight(_text_:information in 3821) [ClassicSimilarity], result of:
0.00865008 = score(doc=3821,freq=12.0), product of:
0.052020688 = queryWeight, product of:
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.029633347 = queryNorm
0.16628155 = fieldWeight in 3821, product of:
3.4641016 = tf(freq=12.0), with freq of:
12.0 = termFreq=12.0
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.02734375 = fieldNorm(doc=3821)
0.010485282 = weight(_text_:retrieval in 3821) [ClassicSimilarity], result of:
0.010485282 = score(doc=3821,freq=2.0), product of:
0.08963835 = queryWeight, product of:
3.024915 = idf(docFreq=5836, maxDocs=44218)
0.029633347 = queryNorm
0.11697317 = fieldWeight in 3821, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.024915 = idf(docFreq=5836, maxDocs=44218)
0.02734375 = fieldNorm(doc=3821)
0.21428572 = coord(3/14)
- Abstract
- This paper presents the approach and first results of the classification mapping process in the EU project Renardus. The outcome in Renardus is a cross-browsing feature based an the Dewey Decimal Classification (DDC) and improved subject searching across distributed and heterogeneous European subject gateways. The paper presents the project's initial experiences and decisions, e.g. an investigation of the use of classification systems by Renardus partners' gateways, general mapping approaches and issues, the definition of mapping relationships and some information an technical solutions and the mapping tool. There is also a demonstration of the use of the mapping information in Renardus and the presentation of several features that have been implemented to aid end-user navigation in a large and deep browsing structure like the DDC. Classification mapping for crossbrowsing is a labour intensive and complex effort which at the moment raises many open questions and leaves many more future potential work tasks than completed useful solutions.
- Content
- "1. The EU projeet Renardus Renardus is a project funded by the European Commission as part of the Information Society Technologies (IST) programme, part of the European Union's 5th Framework Programme. Partners in Renardus include national libraries, research centres and subject gateway services from Denmark, Finland, Germany, The Netherlands, Sweden and the UK, co-ordinated by the National Library of the Netherlands. The project aims to develop a Web-based service to enable searching and browsing across a range of distributed European-based information services designed for the academic and research communities - and in particular those services known as subject gateways. These gateways are services that provide access to Internet resources. They tend to be selective with regard to the resources they give access to, and are usually based an the manual creation of descriptive metadata. Services typically provide users with both search and browse facilities, and offen offer hierarchical browse structures based an subject classification schemes (Koch & Day, 1997). Predecessor projects like the EU project DESIRE have already developed solutions for the description of individual resources and for automatic classification at the level of an individual subject gateway using established classification systems. Renardus intends to develop a service that can cross-search and cross-browse a number of distributed subject gateways through the use of a common metadata profile and by the mapping all locally-used classification schemes to a common scheme. A thorough review of existing data models (Becker, et al., 2000) was used as the basis for the agreement of a minimum set of Dublin Core-based metadata elements that could be utilised as a common data model. A comprehensive mapping effort from the individual gateways' metadata element sets and content encoding schemes to the common profile has taken place. This provides the infrastructure for interoperability between all participating databases and thus is the necessary prerequisite for cross-searching."
- Source
- Subject retrieval in a networked environment: Proceedings of the IFLA Satellite Meeting held in Dublin, OH, 14-16 August 2001 and sponsored by the IFLA Classification and Indexing Section, the IFLA Information Technology Section and OCLC. Ed.: I.C. McIlwaine
- Theme
- Information Gateway
-
Koch, T.; Knorz, G.: ¬Die Rolle der Bibliothek im Zeitalter des Internet : Provokation und Nachdenken (1995)
0.01
0.006306904 = product of:
0.08829665 = sum of:
0.08829665 = weight(_text_:bibliothek in 1890) [ClassicSimilarity], result of:
0.08829665 = score(doc=1890,freq=2.0), product of:
0.121660605 = queryWeight, product of:
4.1055303 = idf(docFreq=1980, maxDocs=44218)
0.029633347 = queryNorm
0.72576207 = fieldWeight in 1890, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
4.1055303 = idf(docFreq=1980, maxDocs=44218)
0.125 = fieldNorm(doc=1890)
0.071428575 = coord(1/14)
-
Day, M.; Koch, T.: ¬The role of classification schemes in Internet resource description and discovery : DESIRE - Development of a European Service for Information on Research and Education. Specification for resource description methods, part 3 (1997)
0.01
0.005721087 = product of:
0.04004761 = sum of:
0.010089659 = weight(_text_:information in 3067) [ClassicSimilarity], result of:
0.010089659 = score(doc=3067,freq=2.0), product of:
0.052020688 = queryWeight, product of:
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.029633347 = queryNorm
0.19395474 = fieldWeight in 3067, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.078125 = fieldNorm(doc=3067)
0.029957948 = weight(_text_:retrieval in 3067) [ClassicSimilarity], result of:
0.029957948 = score(doc=3067,freq=2.0), product of:
0.08963835 = queryWeight, product of:
3.024915 = idf(docFreq=5836, maxDocs=44218)
0.029633347 = queryNorm
0.33420905 = fieldWeight in 3067, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.024915 = idf(docFreq=5836, maxDocs=44218)
0.078125 = fieldNorm(doc=3067)
0.14285715 = coord(2/14)
- Theme
- Klassifikationssysteme im Online-Retrieval
-
Koch, T.; Ardö, A.; Brümmer, A.: ¬The building and maintenance of robot based internet search services : A review of current indexing and data collection methods. Prepared to meet the requirements of Work Package 3 of EU Telematics for Research, project DESIRE. Version D3.11v0.3 (Draft version 3) (1996)
0.01
0.0055278335 = product of:
0.038694832 = sum of:
0.0069903214 = weight(_text_:information in 1669) [ClassicSimilarity], result of:
0.0069903214 = score(doc=1669,freq=6.0), product of:
0.052020688 = queryWeight, product of:
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.029633347 = queryNorm
0.1343758 = fieldWeight in 1669, product of:
2.4494898 = tf(freq=6.0), with freq of:
6.0 = termFreq=6.0
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.03125 = fieldNorm(doc=1669)
0.03170451 = weight(_text_:retrieval in 1669) [ClassicSimilarity], result of:
0.03170451 = score(doc=1669,freq=14.0), product of:
0.08963835 = queryWeight, product of:
3.024915 = idf(docFreq=5836, maxDocs=44218)
0.029633347 = queryNorm
0.3536936 = fieldWeight in 1669, product of:
3.7416575 = tf(freq=14.0), with freq of:
14.0 = termFreq=14.0
3.024915 = idf(docFreq=5836, maxDocs=44218)
0.03125 = fieldNorm(doc=1669)
0.14285715 = coord(2/14)
- Abstract
- After a short outline of problems, possibilities and difficulties of systematic information retrieval on the Internet and a description of efforts for development in this area, a specification of the terminology for this report is required. Although the process of retrieval is generally seen as an iterative process of browsing and information retrieval and several important services on the net have taken this fact into consideration, the emphasis of this report lays on the general retrieval tools for the whole of Internet. In order to be able to evaluate the differences, possibilities and restrictions of the different services it is necessary to begin with organizing the existing varieties in a typological/ taxonomical survey. The possibilities and weaknesses will be briefly compared and described for the most important services in the categories robot-based WWW-catalogues of different types, list- or form-based catalogues and simultaneous or collected search services respectively. It will however for different reasons not be possible to rank them in order of "best" services. Still more important are the weaknesses and problems common for all attempts of indexing the Internet. The problems of the quality of the input, the technical performance and the general problem of indexing virtual hypertext are shown to be at least as difficult as the different aspects of harvesting, indexing and information retrieval. Some of the attempts made in the area of further development of retrieval services will be mentioned in relation to descriptions of the contents of documents and standardization efforts. Internet harvesting and indexing technology and retrieval software is thoroughly reviewed. Details about all services and software are listed in analytical forms in Annex 1-3.
-
Koch, T.: Suchmaschinen im Internet (1996)
0.00
0.004730178 = product of:
0.06622249 = sum of:
0.06622249 = weight(_text_:bibliothek in 5454) [ClassicSimilarity], result of:
0.06622249 = score(doc=5454,freq=2.0), product of:
0.121660605 = queryWeight, product of:
4.1055303 = idf(docFreq=1980, maxDocs=44218)
0.029633347 = queryNorm
0.54432154 = fieldWeight in 5454, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
4.1055303 = idf(docFreq=1980, maxDocs=44218)
0.09375 = fieldNorm(doc=5454)
0.071428575 = coord(1/14)
- Source
- Weiter auf dem Weg zur virtuellen Bibliothek! Bibliotheken nutzen das Internet. Erste INETBIB-Tagung in der Universitätsbibliothek Dortmund vom 11.-13. März 1996. 2., erw. Aufl
-
Koch, T.: Searching the Web : systematic overview over indexes (1995)
0.00
0.0042269193 = product of:
0.05917687 = sum of:
0.05917687 = weight(_text_:web in 3169) [ClassicSimilarity], result of:
0.05917687 = score(doc=3169,freq=4.0), product of:
0.09670874 = queryWeight, product of:
3.2635105 = idf(docFreq=4597, maxDocs=44218)
0.029633347 = queryNorm
0.6119082 = fieldWeight in 3169, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
3.2635105 = idf(docFreq=4597, maxDocs=44218)
0.09375 = fieldNorm(doc=3169)
0.071428575 = coord(1/14)
- Object
- Nordic Web Index
-
Koch, T.: Quality-controlled subject gateways : definitions, typologies, empirical overview (2000)
0.00
0.0027651966 = product of:
0.019356376 = sum of:
0.009988253 = weight(_text_:information in 631) [ClassicSimilarity], result of:
0.009988253 = score(doc=631,freq=4.0), product of:
0.052020688 = queryWeight, product of:
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.029633347 = queryNorm
0.1920054 = fieldWeight in 631, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.0546875 = fieldNorm(doc=631)
0.009368123 = product of:
0.028104367 = sum of:
0.028104367 = weight(_text_:22 in 631) [ClassicSimilarity], result of:
0.028104367 = score(doc=631,freq=2.0), product of:
0.103770934 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.029633347 = 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)
0.33333334 = coord(1/3)
0.14285715 = coord(2/14)
- Date
- 22. 6.2002 19:37:55
- Source
- Online information review. 24(2000) no.1, S.24-34
- Theme
- Information Gateway
-
Koch, T.: Literature about search services (1996)
0.00
0.0021398535 = product of:
0.029957948 = sum of:
0.029957948 = weight(_text_:retrieval in 3039) [ClassicSimilarity], result of:
0.029957948 = score(doc=3039,freq=2.0), product of:
0.08963835 = queryWeight, product of:
3.024915 = idf(docFreq=5836, maxDocs=44218)
0.029633347 = queryNorm
0.33420905 = fieldWeight in 3039, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.024915 = idf(docFreq=5836, maxDocs=44218)
0.078125 = fieldNorm(doc=3039)
0.071428575 = coord(1/14)
- Content
- Abschnitte: Search service comparisons; About search services and retrieval; Indexing the Internet; Collections and bibliographies
-
Koch, T.: ¬Az internetforrasok toketesebb leirasahoz, szervezesehez es keresesehez alkalmas oszatlyozasi rendszerek hasznalata (2000)
0.00
0.0021398535 = product of:
0.029957948 = sum of:
0.029957948 = weight(_text_:retrieval in 3210) [ClassicSimilarity], result of:
0.029957948 = score(doc=3210,freq=2.0), product of:
0.08963835 = queryWeight, product of:
3.024915 = idf(docFreq=5836, maxDocs=44218)
0.029633347 = queryNorm
0.33420905 = fieldWeight in 3210, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.024915 = idf(docFreq=5836, maxDocs=44218)
0.078125 = fieldNorm(doc=3210)
0.071428575 = coord(1/14)
- Theme
- Klassifikationssysteme im Online-Retrieval
-
Ardö, A.; Godby, J.; Houghton, A.; Koch, T.; Reighart, R.; Thompson, R.; Vizine-Goetz, D.: Browsing engineering resources on the Web : a general knowledge organization scheme (Dewey) vs. a special scheme (EI) (2000)
0.00
0.0021134596 = product of:
0.029588435 = sum of:
0.029588435 = weight(_text_:web in 86) [ClassicSimilarity], result of:
0.029588435 = score(doc=86,freq=4.0), product of:
0.09670874 = queryWeight, product of:
3.2635105 = idf(docFreq=4597, maxDocs=44218)
0.029633347 = queryNorm
0.3059541 = fieldWeight in 86, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
3.2635105 = idf(docFreq=4597, maxDocs=44218)
0.046875 = fieldNorm(doc=86)
0.071428575 = coord(1/14)
- Abstract
- Under the auspices of the Desire II project, researchers at NetLab and OCLC are providing searching and browsing of a test collection of engineering documents on the Web. The goal of the project is to explore simple methods of automatic classification to provide subject browsing of a robot-generated engineering index. At NetLab the documents are automatically classified and organized using an engineering-specific scheme, the Engineering Index (Ei) Thesaurus and Classification; at OCLC the Dewey Decimal Classification (DDC), a general knowledge organization scheme, is being used
