-
Shaw, R.; Golden, P.; Buckland, M.: Using linked library data in working research notes (2015)
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- Date
- 15. 1.2016 19:22:28
- Imprint
- Berlin : DeGruyter Saur
-
Tavakolizadeh-Ravari, M.: Analysis of the long term dynamics in thesaurus developments and its consequences (2017)
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- Footnote
- Dissertation, Humboldt-Universität zu Berlin - Institut für Bibliotheks- und Informationswissenschaft.
- Imprint
- Berlin : Humboldt-Universität zu Berlin / Institut für Bibliotheks- und Informationswissenschaft
-
Burghardt, M.; Hertlein, F.; Hinterleitner, B.; Lehenmeier, C.; Spröd, T.: ¬A crowdsourced approach for the documentation and transcription of graffiti in public restrooms (2015)
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- Date
- 6. 6.2016 18:42:22
- Source
- Re:inventing information science in the networked society: Proceedings of the 14th International Symposium on Information Science, Zadar/Croatia, 19th-21st May 2015. Eds.: F. Pehar, C. Schloegl u. C. Wolff
-
Gödert, W.; Hubrich, J.; Nagelschmidt, M.: Semantic knowledge representation for information retrieval (2014)
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- Date
- 23. 7.2017 13:49:22
- Imprint
- Berlin : De Gruyter Saur
- Type
- m
-
Hemmert, F.: Information spaces : building bridges between the digital and the physical world (2017)
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- Source
- Everything changes, everything stays the same? - Understanding information spaces : Proceedings of the 15th International Symposium of Information Science (ISI 2017), Berlin/Germany, 13th - 15th March 2017. Eds.: M. Gäde, V. Trkulja u. V. Petras
-
Kleineberg, M.: Context analysis and context indexing : formal pragmatics in knowledge organization (2014)
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- Source
- http://www.google.de/url?sa=t&rct=j&q=&esrc=s&source=web&cd=5&ved=0CDQQFjAE&url=http%3A%2F%2Fdigbib.ubka.uni-karlsruhe.de%2Fvolltexte%2Fdocuments%2F3131107&ei=HzFWVYvGMsiNsgGTyoFI&usg=AFQjCNE2FHUeR9oQTQlNC4TPedv4Mo3DaQ&sig2=Rlzpr7a3BLZZkqZCXXN_IA&bvm=bv.93564037,d.bGg&cad=rja
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Larouk, O.; El Hachani, M.: Reorganization of knowledge in technical documents for the information system : the extraction of logico-cognitive information from heterogeneous administrative data (2018)
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- Date
- 18. 1.2019 17:22:28
- Source
- Challenges and opportunities for knowledge organization in the digital age: proceedings of the Fifteenth International ISKO Conference, 9-11 July 2018, Porto, Portugal / organized by: International Society for Knowledge Organization (ISKO), ISKO Spain and Portugal Chapter, University of Porto - Faculty of Arts and Humanities, Research Centre in Communication, Information and Digital Culture (CIC.digital) - Porto. Eds.: F. Ribeiro u. M.E. Cerveira
-
Assem, M. van; Rijgersberg, H.; Wigham, M.; Top, J.: Converting and annotating quantitative data tables (2010)
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- Abstract
- Companies, governmental agencies and scientists produce a large amount of quantitative (research) data, consisting of measurements ranging from e.g. the surface temperatures of an ocean to the viscosity of a sample of mayonnaise. Such measurements are stored in tables in e.g. spreadsheet files and research reports. To integrate and reuse such data, it is necessary to have a semantic description of the data. However, the notation used is often ambiguous, making automatic interpretation and conversion to RDF or other suitable format diffiult. For example, the table header cell "f(Hz)" refers to frequency measured in Hertz, but the symbol "f" can also refer to the unit farad or the quantities force or luminous flux. Current annotation tools for this task either work on less ambiguous data or perform a more limited task. We introduce new disambiguation strategies based on an ontology, which allows to improve performance on "sloppy" datasets not yet targeted by existing systems.
- Imprint
- Berlin : Springer
- Source
- The Semantic Web - ISWC 2010. 9th International Semantic Web Conference, ISWC 2010, Shanghai, China, November 7-11, 2010, Revised Selected Papers, Part I. Eds.: Peter F. Patel-Schneider et al
-
Wegner, B. u. D. Werner (Hrsg.): Mathematics subject classification 2010 (2010)
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- Imprint
- Berlin : Zentralblatt Math
- Type
- m
-
Rettinger, A.; Schumilin, A.; Thoma, S.; Ell, B.: Learning a cross-lingual semantic representation of relations expressed in text (2015)
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- Imprint
- Berlin : Springer
- Source
- The Semantic Web: latest advances and new domains. 12th European Semantic Web Conference, ESWC 2015 Portoroz, Slovenia, May 31 -- June 4, 2015. Proceedings. Eds.: F. Gandon u.a
-
Ceri, S.; Bozzon, A.; Brambilla, M.; Della Valle, E.; Fraternali, P.; Quarteroni, S.: Web Information Retrieval (2013)
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- 16.10.2013 19:22:44
- Imprint
- Berlin : Springer
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- m
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Euzenat, J.; Shvaiko, P.: Ontology matching (2010)
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- Berlin : Springer
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Paradigms and conceptual systems in knowledge organization : Proceedings of the Eleventh International ISKO Conference, 23-26 February 2010 Rome, Italy (2010)
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- Date
- 22. 2.2013 12:09:34
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- Gnoli, C. u. F. Mazzocchi
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- m
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Didegah, F.; Thelwall, M.: Co-saved, co-tweeted, and co-cited networks (2018)
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- 28. 7.2018 10:00:22
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Lindstrom, N.; Malmsten, M.: Building interfaces on a networked graph (2015)
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- Berlin : DeGruyter Saur
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Guidi, F.; Sacerdoti Coen, C.: ¬A survey on retrieval of mathematical knowledge (2015)
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- 22. 2.2017 12:51:57
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Celli, F. et al.: Enabling multilingual search through controlled vocabularies : the AGRIS approach (2016)
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- Source
- Metadata and semantics research: 10th International Conference, MTSR 2016, Göttingen, Germany, November 22-25, 2016, Proceedings. Eds.: E. Garoufallou
-
Concepts in Context : Proceedings of the Cologne Conference on Interoperability and Semantics in Knowledge Organization July 19th - 20th, 2010 (2011)
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- Date
- 22. 2.2013 11:34:18
- Editor
- Boteram, F.
- Footnote
- Rez. in: ZfBB 59(2012) H.2, S.119-120 (F. Förster); KO 39(2012) no.6, S.461-463 (I. Dahlberg)
- Type
- m
-
Kiren, T.; Shoaib, M.: ¬A novel ontology matching approach using key concepts (2016)
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- Abstract
- Purpose Ontologies are used to formally describe the concepts within a domain in a machine-understandable way. Matching of heterogeneous ontologies is often essential for many applications like semantic annotation, query answering or ontology integration. Some ontologies may include a large number of entities which make the ontology matching process very complex in terms of the search space and execution time requirements. The purpose of this paper is to present a technique for finding degree of similarity between ontologies that trims down the search space by eliminating the ontology concepts that have less likelihood of being matched. Design/methodology/approach Algorithms are written for finding key concepts, concept matching and relationship matching. WordNet is used for solving synonym problems during the matching process. The technique is evaluated using the reference alignments between ontologies from ontology alignment evaluation initiative benchmark in terms of degree of similarity, Pearson's correlation coefficient and IR measures precision, recall and F-measure. Findings Positive correlation between the degree of similarity and degree of similarity (reference alignment) and computed values of precision, recall and F-measure showed that if only key concepts of ontologies are compared, a time and search space efficient ontology matching system can be developed. Originality/value On the basis of the present novel approach for ontology matching, it is concluded that using key concepts for ontology matching gives comparable results in reduced time and space.
- Date
- 20. 1.2015 18:30:22
-
Luo, Y.; Picalausa, F.; Fletcher, G.H.L.; Hidders, J.; Vansummeren, S.: Storing and indexing massive RDF datasets (2012)
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- Imprint
- Berlin : Springer
- Type
- m
